diff options
| author | 3gg <3gg@shellblade.net> | 2025-12-27 12:03:39 -0800 |
|---|---|---|
| committer | 3gg <3gg@shellblade.net> | 2025-12-27 12:03:39 -0800 |
| commit | 5a079a2d114f96d4847d1ee305d5b7c16eeec50e (patch) | |
| tree | 8926ab44f168acf787d8e19608857b3af0f82758 /contrib/SDL-3.2.8/src/process | |
Initial commit
Diffstat (limited to 'contrib/SDL-3.2.8/src/process')
| -rw-r--r-- | contrib/SDL-3.2.8/src/process/SDL_process.c | 196 | ||||
| -rw-r--r-- | contrib/SDL-3.2.8/src/process/SDL_sysprocess.h | 37 | ||||
| -rw-r--r-- | contrib/SDL-3.2.8/src/process/dummy/SDL_dummyprocess.c | 48 | ||||
| -rw-r--r-- | contrib/SDL-3.2.8/src/process/posix/SDL_posixprocess.c | 483 | ||||
| -rw-r--r-- | contrib/SDL-3.2.8/src/process/windows/SDL_windowsprocess.c | 557 |
5 files changed, 1321 insertions, 0 deletions
diff --git a/contrib/SDL-3.2.8/src/process/SDL_process.c b/contrib/SDL-3.2.8/src/process/SDL_process.c new file mode 100644 index 0000000..3ccf5d5 --- /dev/null +++ b/contrib/SDL-3.2.8/src/process/SDL_process.c | |||
| @@ -0,0 +1,196 @@ | |||
| 1 | /* | ||
| 2 | Simple DirectMedia Layer | ||
| 3 | Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org> | ||
| 4 | |||
| 5 | This software is provided 'as-is', without any express or implied | ||
| 6 | warranty. In no event will the authors be held liable for any damages | ||
| 7 | arising from the use of this software. | ||
| 8 | |||
| 9 | Permission is granted to anyone to use this software for any purpose, | ||
| 10 | including commercial applications, and to alter it and redistribute it | ||
| 11 | freely, subject to the following restrictions: | ||
| 12 | |||
| 13 | 1. The origin of this software must not be misrepresented; you must not | ||
| 14 | claim that you wrote the original software. If you use this software | ||
| 15 | in a product, an acknowledgment in the product documentation would be | ||
| 16 | appreciated but is not required. | ||
| 17 | 2. Altered source versions must be plainly marked as such, and must not be | ||
| 18 | misrepresented as being the original software. | ||
| 19 | 3. This notice may not be removed or altered from any source distribution. | ||
| 20 | */ | ||
| 21 | #include "SDL_internal.h" | ||
| 22 | |||
| 23 | #include "SDL_sysprocess.h" | ||
| 24 | |||
| 25 | |||
| 26 | SDL_Process *SDL_CreateProcess(const char * const *args, bool pipe_stdio) | ||
| 27 | { | ||
| 28 | if (!args || !args[0] || !args[0][0]) { | ||
| 29 | SDL_InvalidParamError("args"); | ||
| 30 | return NULL; | ||
| 31 | } | ||
| 32 | |||
| 33 | SDL_Process *process; | ||
| 34 | SDL_PropertiesID props = SDL_CreateProperties(); | ||
| 35 | SDL_SetPointerProperty(props, SDL_PROP_PROCESS_CREATE_ARGS_POINTER, (void *)args); | ||
| 36 | if (pipe_stdio) { | ||
| 37 | SDL_SetNumberProperty(props, SDL_PROP_PROCESS_CREATE_STDIN_NUMBER, SDL_PROCESS_STDIO_APP); | ||
| 38 | SDL_SetNumberProperty(props, SDL_PROP_PROCESS_CREATE_STDOUT_NUMBER, SDL_PROCESS_STDIO_APP); | ||
| 39 | } | ||
| 40 | process = SDL_CreateProcessWithProperties(props); | ||
| 41 | SDL_DestroyProperties(props); | ||
| 42 | return process; | ||
| 43 | } | ||
| 44 | |||
| 45 | SDL_Process *SDL_CreateProcessWithProperties(SDL_PropertiesID props) | ||
| 46 | { | ||
| 47 | const char * const *args = SDL_GetPointerProperty(props, SDL_PROP_PROCESS_CREATE_ARGS_POINTER, NULL); | ||
| 48 | if (!args || !args[0] || !args[0][0]) { | ||
| 49 | SDL_InvalidParamError("SDL_PROP_PROCESS_CREATE_ARGS_POINTER"); | ||
| 50 | return NULL; | ||
| 51 | } | ||
| 52 | |||
| 53 | SDL_Process *process = (SDL_Process *)SDL_calloc(1, sizeof(*process)); | ||
| 54 | if (!process) { | ||
| 55 | return NULL; | ||
| 56 | } | ||
| 57 | process->background = SDL_GetBooleanProperty(props, SDL_PROP_PROCESS_CREATE_BACKGROUND_BOOLEAN, false); | ||
| 58 | |||
| 59 | process->props = SDL_CreateProperties(); | ||
| 60 | if (!process->props) { | ||
| 61 | SDL_DestroyProcess(process); | ||
| 62 | return NULL; | ||
| 63 | } | ||
| 64 | SDL_SetBooleanProperty(process->props, SDL_PROP_PROCESS_BACKGROUND_BOOLEAN, process->background); | ||
| 65 | |||
| 66 | if (!SDL_SYS_CreateProcessWithProperties(process, props)) { | ||
| 67 | SDL_DestroyProcess(process); | ||
| 68 | return NULL; | ||
| 69 | } | ||
| 70 | process->alive = true; | ||
| 71 | return process; | ||
| 72 | } | ||
| 73 | |||
| 74 | SDL_PropertiesID SDL_GetProcessProperties(SDL_Process *process) | ||
| 75 | { | ||
| 76 | if (!process) { | ||
| 77 | return SDL_InvalidParamError("process"); | ||
| 78 | } | ||
| 79 | return process->props; | ||
| 80 | } | ||
| 81 | |||
| 82 | void *SDL_ReadProcess(SDL_Process *process, size_t *datasize, int *exitcode) | ||
| 83 | { | ||
| 84 | void *result; | ||
| 85 | |||
| 86 | if (datasize) { | ||
| 87 | *datasize = 0; | ||
| 88 | } | ||
| 89 | if (exitcode) { | ||
| 90 | *exitcode = -1; | ||
| 91 | } | ||
| 92 | |||
| 93 | if (!process) { | ||
| 94 | SDL_InvalidParamError("process"); | ||
| 95 | return NULL; | ||
| 96 | } | ||
| 97 | |||
| 98 | SDL_IOStream *io = (SDL_IOStream *)SDL_GetPointerProperty(process->props, SDL_PROP_PROCESS_STDOUT_POINTER, NULL); | ||
| 99 | if (!io) { | ||
| 100 | SDL_SetError("Process not created with I/O enabled"); | ||
| 101 | return NULL; | ||
| 102 | } | ||
| 103 | |||
| 104 | result = SDL_LoadFile_IO(io, datasize, false); | ||
| 105 | |||
| 106 | SDL_WaitProcess(process, true, exitcode); | ||
| 107 | |||
| 108 | return result; | ||
| 109 | } | ||
| 110 | |||
| 111 | SDL_IOStream *SDL_GetProcessInput(SDL_Process *process) | ||
| 112 | { | ||
| 113 | if (!process) { | ||
| 114 | SDL_InvalidParamError("process"); | ||
| 115 | return NULL; | ||
| 116 | } | ||
| 117 | |||
| 118 | SDL_IOStream *io = (SDL_IOStream *)SDL_GetPointerProperty(process->props, SDL_PROP_PROCESS_STDIN_POINTER, NULL); | ||
| 119 | if (!io) { | ||
| 120 | SDL_SetError("Process not created with standard input available"); | ||
| 121 | return NULL; | ||
| 122 | } | ||
| 123 | |||
| 124 | return io; | ||
| 125 | } | ||
| 126 | |||
| 127 | SDL_IOStream *SDL_GetProcessOutput(SDL_Process *process) | ||
| 128 | { | ||
| 129 | if (!process) { | ||
| 130 | SDL_InvalidParamError("process"); | ||
| 131 | return NULL; | ||
| 132 | } | ||
| 133 | |||
| 134 | SDL_IOStream *io = (SDL_IOStream *)SDL_GetPointerProperty(process->props, SDL_PROP_PROCESS_STDOUT_POINTER, NULL); | ||
| 135 | if (!io) { | ||
| 136 | SDL_SetError("Process not created with standard output available"); | ||
| 137 | return NULL; | ||
| 138 | } | ||
| 139 | |||
| 140 | return io; | ||
| 141 | } | ||
| 142 | |||
| 143 | bool SDL_KillProcess(SDL_Process *process, bool force) | ||
| 144 | { | ||
| 145 | if (!process) { | ||
| 146 | return SDL_InvalidParamError("process"); | ||
| 147 | } | ||
| 148 | |||
| 149 | if (!process->alive) { | ||
| 150 | return SDL_SetError("Process isn't running"); | ||
| 151 | } | ||
| 152 | |||
| 153 | return SDL_SYS_KillProcess(process, force); | ||
| 154 | } | ||
| 155 | |||
| 156 | bool SDL_WaitProcess(SDL_Process *process, bool block, int *exitcode) | ||
| 157 | { | ||
| 158 | if (!process) { | ||
| 159 | return SDL_InvalidParamError("process"); | ||
| 160 | } | ||
| 161 | |||
| 162 | if (!process->alive) { | ||
| 163 | if (exitcode) { | ||
| 164 | *exitcode = process->exitcode; | ||
| 165 | } | ||
| 166 | return true; | ||
| 167 | } | ||
| 168 | |||
| 169 | if (SDL_SYS_WaitProcess(process, block, &process->exitcode)) { | ||
| 170 | process->alive = false; | ||
| 171 | if (exitcode) { | ||
| 172 | if (process->background) { | ||
| 173 | process->exitcode = 0; | ||
| 174 | } | ||
| 175 | *exitcode = process->exitcode; | ||
| 176 | } | ||
| 177 | return true; | ||
| 178 | } | ||
| 179 | return false; | ||
| 180 | } | ||
| 181 | |||
| 182 | void SDL_DestroyProcess(SDL_Process *process) | ||
| 183 | { | ||
| 184 | if (!process) { | ||
| 185 | return; | ||
| 186 | } | ||
| 187 | |||
| 188 | // Check to see if the process has exited, will reap zombies on POSIX platforms | ||
| 189 | if (process->alive) { | ||
| 190 | SDL_WaitProcess(process, false, NULL); | ||
| 191 | } | ||
| 192 | |||
| 193 | SDL_SYS_DestroyProcess(process); | ||
| 194 | SDL_DestroyProperties(process->props); | ||
| 195 | SDL_free(process); | ||
| 196 | } | ||
diff --git a/contrib/SDL-3.2.8/src/process/SDL_sysprocess.h b/contrib/SDL-3.2.8/src/process/SDL_sysprocess.h new file mode 100644 index 0000000..839ef9d --- /dev/null +++ b/contrib/SDL-3.2.8/src/process/SDL_sysprocess.h | |||
| @@ -0,0 +1,37 @@ | |||
| 1 | /* | ||
| 2 | Simple DirectMedia Layer | ||
| 3 | Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org> | ||
| 4 | |||
| 5 | This software is provided 'as-is', without any express or implied | ||
| 6 | warranty. In no event will the authors be held liable for any damages | ||
| 7 | arising from the use of this software. | ||
| 8 | |||
| 9 | Permission is granted to anyone to use this software for any purpose, | ||
| 10 | including commercial applications, and to alter it and redistribute it | ||
| 11 | freely, subject to the following restrictions: | ||
| 12 | |||
| 13 | 1. The origin of this software must not be misrepresented; you must not | ||
| 14 | claim that you wrote the original software. If you use this software | ||
| 15 | in a product, an acknowledgment in the product documentation would be | ||
| 16 | appreciated but is not required. | ||
| 17 | 2. Altered source versions must be plainly marked as such, and must not be | ||
| 18 | misrepresented as being the original software. | ||
| 19 | 3. This notice may not be removed or altered from any source distribution. | ||
| 20 | */ | ||
| 21 | #include "SDL_internal.h" | ||
| 22 | |||
| 23 | typedef struct SDL_ProcessData SDL_ProcessData; | ||
| 24 | |||
| 25 | struct SDL_Process | ||
| 26 | { | ||
| 27 | bool alive; | ||
| 28 | bool background; | ||
| 29 | int exitcode; | ||
| 30 | SDL_PropertiesID props; | ||
| 31 | SDL_ProcessData *internal; | ||
| 32 | }; | ||
| 33 | |||
| 34 | bool SDL_SYS_CreateProcessWithProperties(SDL_Process *process, SDL_PropertiesID props); | ||
| 35 | bool SDL_SYS_KillProcess(SDL_Process *process, bool force); | ||
| 36 | bool SDL_SYS_WaitProcess(SDL_Process *process, bool block, int *exitcode); | ||
| 37 | void SDL_SYS_DestroyProcess(SDL_Process *process); | ||
diff --git a/contrib/SDL-3.2.8/src/process/dummy/SDL_dummyprocess.c b/contrib/SDL-3.2.8/src/process/dummy/SDL_dummyprocess.c new file mode 100644 index 0000000..ba69e4a --- /dev/null +++ b/contrib/SDL-3.2.8/src/process/dummy/SDL_dummyprocess.c | |||
| @@ -0,0 +1,48 @@ | |||
| 1 | /* | ||
| 2 | Simple DirectMedia Layer | ||
| 3 | Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org> | ||
| 4 | |||
| 5 | This software is provided 'as-is', without any express or implied | ||
| 6 | warranty. In no event will the authors be held liable for any damages | ||
| 7 | arising from the use of this software. | ||
| 8 | |||
| 9 | Permission is granted to anyone to use this software for any purpose, | ||
| 10 | including commercial applications, and to alter it and redistribute it | ||
| 11 | freely, subject to the following restrictions: | ||
| 12 | |||
| 13 | 1. The origin of this software must not be misrepresented; you must not | ||
| 14 | claim that you wrote the original software. If you use this software | ||
| 15 | in a product, an acknowledgment in the product documentation would be | ||
| 16 | appreciated but is not required. | ||
| 17 | 2. Altered source versions must be plainly marked as such, and must not be | ||
| 18 | misrepresented as being the original software. | ||
| 19 | 3. This notice may not be removed or altered from any source distribution. | ||
| 20 | */ | ||
| 21 | #include "SDL_internal.h" | ||
| 22 | |||
| 23 | #ifdef SDL_PROCESS_DUMMY | ||
| 24 | |||
| 25 | #include "../SDL_sysprocess.h" | ||
| 26 | |||
| 27 | |||
| 28 | bool SDL_SYS_CreateProcessWithProperties(SDL_Process *process, SDL_PropertiesID props) | ||
| 29 | { | ||
| 30 | return SDL_Unsupported(); | ||
| 31 | } | ||
| 32 | |||
| 33 | bool SDL_SYS_KillProcess(SDL_Process *process, bool force) | ||
| 34 | { | ||
| 35 | return SDL_Unsupported(); | ||
| 36 | } | ||
| 37 | |||
| 38 | bool SDL_SYS_WaitProcess(SDL_Process *process, bool block, int *exitcode) | ||
| 39 | { | ||
| 40 | return SDL_Unsupported(); | ||
| 41 | } | ||
| 42 | |||
| 43 | void SDL_SYS_DestroyProcess(SDL_Process *process) | ||
| 44 | { | ||
| 45 | return; | ||
| 46 | } | ||
| 47 | |||
| 48 | #endif // SDL_PROCESS_DUMMY | ||
diff --git a/contrib/SDL-3.2.8/src/process/posix/SDL_posixprocess.c b/contrib/SDL-3.2.8/src/process/posix/SDL_posixprocess.c new file mode 100644 index 0000000..98b9f75 --- /dev/null +++ b/contrib/SDL-3.2.8/src/process/posix/SDL_posixprocess.c | |||
| @@ -0,0 +1,483 @@ | |||
| 1 | /* | ||
| 2 | Simple DirectMedia Layer | ||
| 3 | Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org> | ||
| 4 | |||
| 5 | This software is provided 'as-is', without any express or implied | ||
| 6 | warranty. In no event will the authors be held liable for any damages | ||
| 7 | arising from the use of this software. | ||
| 8 | |||
| 9 | Permission is granted to anyone to use this software for any purpose, | ||
| 10 | including commercial applications, and to alter it and redistribute it | ||
| 11 | freely, subject to the following restrictions: | ||
| 12 | |||
| 13 | 1. The origin of this software must not be misrepresented; you must not | ||
| 14 | claim that you wrote the original software. If you use this software | ||
| 15 | in a product, an acknowledgment in the product documentation would be | ||
| 16 | appreciated but is not required. | ||
| 17 | 2. Altered source versions must be plainly marked as such, and must not be | ||
| 18 | misrepresented as being the original software. | ||
| 19 | 3. This notice may not be removed or altered from any source distribution. | ||
| 20 | */ | ||
| 21 | #include "SDL_internal.h" | ||
| 22 | |||
| 23 | #ifdef SDL_PROCESS_POSIX | ||
| 24 | |||
| 25 | #include <dirent.h> | ||
| 26 | #include <fcntl.h> | ||
| 27 | #include <errno.h> | ||
| 28 | #include <signal.h> | ||
| 29 | #include <spawn.h> | ||
| 30 | #include <stdio.h> | ||
| 31 | #include <stdlib.h> | ||
| 32 | #include <string.h> | ||
| 33 | #include <unistd.h> | ||
| 34 | #include <sys/wait.h> | ||
| 35 | |||
| 36 | #include "../SDL_sysprocess.h" | ||
| 37 | #include "../../io/SDL_iostream_c.h" | ||
| 38 | |||
| 39 | |||
| 40 | #define READ_END 0 | ||
| 41 | #define WRITE_END 1 | ||
| 42 | |||
| 43 | struct SDL_ProcessData { | ||
| 44 | pid_t pid; | ||
| 45 | }; | ||
| 46 | |||
| 47 | static void CleanupStream(void *userdata, void *value) | ||
| 48 | { | ||
| 49 | SDL_Process *process = (SDL_Process *)value; | ||
| 50 | const char *property = (const char *)userdata; | ||
| 51 | |||
| 52 | SDL_ClearProperty(process->props, property); | ||
| 53 | } | ||
| 54 | |||
| 55 | static bool SetupStream(SDL_Process *process, int fd, const char *mode, const char *property) | ||
| 56 | { | ||
| 57 | // Set the file descriptor to non-blocking mode | ||
| 58 | fcntl(fd, F_SETFL, fcntl(fd, F_GETFL) | O_NONBLOCK); | ||
| 59 | |||
| 60 | SDL_IOStream *io = SDL_IOFromFD(fd, true); | ||
| 61 | if (!io) { | ||
| 62 | return false; | ||
| 63 | } | ||
| 64 | |||
| 65 | SDL_SetPointerPropertyWithCleanup(SDL_GetIOProperties(io), "SDL.internal.process", process, CleanupStream, (void *)property); | ||
| 66 | SDL_SetPointerProperty(process->props, property, io); | ||
| 67 | return true; | ||
| 68 | } | ||
| 69 | |||
| 70 | static void IgnoreSignal(int sig) | ||
| 71 | { | ||
| 72 | struct sigaction action; | ||
| 73 | |||
| 74 | sigaction(SIGPIPE, NULL, &action); | ||
| 75 | #ifdef HAVE_SA_SIGACTION | ||
| 76 | if (action.sa_handler == SIG_DFL && (void (*)(int))action.sa_sigaction == SIG_DFL) { | ||
| 77 | #else | ||
| 78 | if (action.sa_handler == SIG_DFL) { | ||
| 79 | #endif | ||
| 80 | action.sa_handler = SIG_IGN; | ||
| 81 | sigaction(sig, &action, NULL); | ||
| 82 | } | ||
| 83 | } | ||
| 84 | |||
| 85 | static bool CreatePipe(int fds[2]) | ||
| 86 | { | ||
| 87 | if (pipe(fds) < 0) { | ||
| 88 | return false; | ||
| 89 | } | ||
| 90 | |||
| 91 | // Make sure the pipe isn't accidentally inherited by another thread creating a process | ||
| 92 | fcntl(fds[READ_END], F_SETFD, fcntl(fds[READ_END], F_GETFD) | FD_CLOEXEC); | ||
| 93 | fcntl(fds[WRITE_END], F_SETFD, fcntl(fds[WRITE_END], F_GETFD) | FD_CLOEXEC); | ||
| 94 | |||
| 95 | // Make sure we don't crash if we write when the pipe is closed | ||
| 96 | IgnoreSignal(SIGPIPE); | ||
| 97 | |||
| 98 | return true; | ||
| 99 | } | ||
| 100 | |||
| 101 | static bool GetStreamFD(SDL_PropertiesID props, const char *property, int *result) | ||
| 102 | { | ||
| 103 | SDL_IOStream *io = (SDL_IOStream *)SDL_GetPointerProperty(props, property, NULL); | ||
| 104 | if (!io) { | ||
| 105 | SDL_SetError("%s is not set", property); | ||
| 106 | return false; | ||
| 107 | } | ||
| 108 | |||
| 109 | int fd = (int)SDL_GetNumberProperty(SDL_GetIOProperties(io), SDL_PROP_IOSTREAM_FILE_DESCRIPTOR_NUMBER, -1); | ||
| 110 | if (fd < 0) { | ||
| 111 | SDL_SetError("%s doesn't have SDL_PROP_IOSTREAM_FILE_DESCRIPTOR_NUMBER available", property); | ||
| 112 | return false; | ||
| 113 | } | ||
| 114 | |||
| 115 | *result = fd; | ||
| 116 | return true; | ||
| 117 | } | ||
| 118 | |||
| 119 | static bool AddFileDescriptorCloseActions(posix_spawn_file_actions_t *fa) | ||
| 120 | { | ||
| 121 | DIR *dir = opendir("/proc/self/fd"); | ||
| 122 | if (dir) { | ||
| 123 | struct dirent *entry; | ||
| 124 | while ((entry = readdir(dir)) != NULL) { | ||
| 125 | int fd = SDL_atoi(entry->d_name); | ||
| 126 | if (fd <= STDERR_FILENO) { | ||
| 127 | continue; | ||
| 128 | } | ||
| 129 | |||
| 130 | int flags = fcntl(fd, F_GETFD); | ||
| 131 | if (flags < 0 || (flags & FD_CLOEXEC)) { | ||
| 132 | continue; | ||
| 133 | } | ||
| 134 | if (posix_spawn_file_actions_addclose(fa, fd) != 0) { | ||
| 135 | closedir(dir); | ||
| 136 | return SDL_SetError("posix_spawn_file_actions_addclose failed: %s", strerror(errno)); | ||
| 137 | } | ||
| 138 | } | ||
| 139 | closedir(dir); | ||
| 140 | } else { | ||
| 141 | for (int fd = (int)(sysconf(_SC_OPEN_MAX) - 1); fd > STDERR_FILENO; --fd) { | ||
| 142 | int flags = fcntl(fd, F_GETFD); | ||
| 143 | if (flags < 0 || (flags & FD_CLOEXEC)) { | ||
| 144 | continue; | ||
| 145 | } | ||
| 146 | if (posix_spawn_file_actions_addclose(fa, fd) != 0) { | ||
| 147 | return SDL_SetError("posix_spawn_file_actions_addclose failed: %s", strerror(errno)); | ||
| 148 | } | ||
| 149 | } | ||
| 150 | } | ||
| 151 | return true; | ||
| 152 | } | ||
| 153 | |||
| 154 | bool SDL_SYS_CreateProcessWithProperties(SDL_Process *process, SDL_PropertiesID props) | ||
| 155 | { | ||
| 156 | char * const *args = SDL_GetPointerProperty(props, SDL_PROP_PROCESS_CREATE_ARGS_POINTER, NULL); | ||
| 157 | SDL_Environment *env = SDL_GetPointerProperty(props, SDL_PROP_PROCESS_CREATE_ENVIRONMENT_POINTER, SDL_GetEnvironment()); | ||
| 158 | char **envp = NULL; | ||
| 159 | SDL_ProcessIO stdin_option = (SDL_ProcessIO)SDL_GetNumberProperty(props, SDL_PROP_PROCESS_CREATE_STDIN_NUMBER, SDL_PROCESS_STDIO_NULL); | ||
| 160 | SDL_ProcessIO stdout_option = (SDL_ProcessIO)SDL_GetNumberProperty(props, SDL_PROP_PROCESS_CREATE_STDOUT_NUMBER, SDL_PROCESS_STDIO_INHERITED); | ||
| 161 | SDL_ProcessIO stderr_option = (SDL_ProcessIO)SDL_GetNumberProperty(props, SDL_PROP_PROCESS_CREATE_STDERR_NUMBER, SDL_PROCESS_STDIO_INHERITED); | ||
| 162 | bool redirect_stderr = SDL_GetBooleanProperty(props, SDL_PROP_PROCESS_CREATE_STDERR_TO_STDOUT_BOOLEAN, false) && | ||
| 163 | !SDL_HasProperty(props, SDL_PROP_PROCESS_CREATE_STDERR_NUMBER); | ||
| 164 | int stdin_pipe[2] = { -1, -1 }; | ||
| 165 | int stdout_pipe[2] = { -1, -1 }; | ||
| 166 | int stderr_pipe[2] = { -1, -1 }; | ||
| 167 | int fd = -1; | ||
| 168 | |||
| 169 | // Keep the malloc() before exec() so that an OOM won't run a process at all | ||
| 170 | envp = SDL_GetEnvironmentVariables(env); | ||
| 171 | if (!envp) { | ||
| 172 | return false; | ||
| 173 | } | ||
| 174 | |||
| 175 | SDL_ProcessData *data = SDL_calloc(1, sizeof(*data)); | ||
| 176 | if (!data) { | ||
| 177 | SDL_free(envp); | ||
| 178 | return false; | ||
| 179 | } | ||
| 180 | process->internal = data; | ||
| 181 | |||
| 182 | posix_spawnattr_t attr; | ||
| 183 | posix_spawn_file_actions_t fa; | ||
| 184 | |||
| 185 | if (posix_spawnattr_init(&attr) != 0) { | ||
| 186 | SDL_SetError("posix_spawnattr_init failed: %s", strerror(errno)); | ||
| 187 | goto posix_spawn_fail_none; | ||
| 188 | } | ||
| 189 | |||
| 190 | if (posix_spawn_file_actions_init(&fa) != 0) { | ||
| 191 | SDL_SetError("posix_spawn_file_actions_init failed: %s", strerror(errno)); | ||
| 192 | goto posix_spawn_fail_attr; | ||
| 193 | } | ||
| 194 | |||
| 195 | // Background processes don't have access to the terminal | ||
| 196 | if (process->background) { | ||
| 197 | if (stdin_option == SDL_PROCESS_STDIO_INHERITED) { | ||
| 198 | stdin_option = SDL_PROCESS_STDIO_NULL; | ||
| 199 | } | ||
| 200 | if (stdout_option == SDL_PROCESS_STDIO_INHERITED) { | ||
| 201 | stdout_option = SDL_PROCESS_STDIO_NULL; | ||
| 202 | } | ||
| 203 | if (stderr_option == SDL_PROCESS_STDIO_INHERITED) { | ||
| 204 | stderr_option = SDL_PROCESS_STDIO_NULL; | ||
| 205 | } | ||
| 206 | } | ||
| 207 | |||
| 208 | switch (stdin_option) { | ||
| 209 | case SDL_PROCESS_STDIO_REDIRECT: | ||
| 210 | if (!GetStreamFD(props, SDL_PROP_PROCESS_CREATE_STDIN_POINTER, &fd)) { | ||
| 211 | goto posix_spawn_fail_all; | ||
| 212 | } | ||
| 213 | if (posix_spawn_file_actions_adddup2(&fa, fd, STDIN_FILENO) != 0) { | ||
| 214 | SDL_SetError("posix_spawn_file_actions_adddup2 failed: %s", strerror(errno)); | ||
| 215 | goto posix_spawn_fail_all; | ||
| 216 | } | ||
| 217 | break; | ||
| 218 | case SDL_PROCESS_STDIO_APP: | ||
| 219 | if (!CreatePipe(stdin_pipe)) { | ||
| 220 | goto posix_spawn_fail_all; | ||
| 221 | } | ||
| 222 | if (posix_spawn_file_actions_adddup2(&fa, stdin_pipe[READ_END], STDIN_FILENO) != 0) { | ||
| 223 | SDL_SetError("posix_spawn_file_actions_adddup2 failed: %s", strerror(errno)); | ||
| 224 | goto posix_spawn_fail_all; | ||
| 225 | } | ||
| 226 | break; | ||
| 227 | case SDL_PROCESS_STDIO_NULL: | ||
| 228 | if (posix_spawn_file_actions_addopen(&fa, STDIN_FILENO, "/dev/null", O_RDONLY, 0) != 0) { | ||
| 229 | SDL_SetError("posix_spawn_file_actions_addopen failed: %s", strerror(errno)); | ||
| 230 | goto posix_spawn_fail_all; | ||
| 231 | } | ||
| 232 | break; | ||
| 233 | case SDL_PROCESS_STDIO_INHERITED: | ||
| 234 | default: | ||
| 235 | break; | ||
| 236 | } | ||
| 237 | |||
| 238 | switch (stdout_option) { | ||
| 239 | case SDL_PROCESS_STDIO_REDIRECT: | ||
| 240 | if (!GetStreamFD(props, SDL_PROP_PROCESS_CREATE_STDOUT_POINTER, &fd)) { | ||
| 241 | goto posix_spawn_fail_all; | ||
| 242 | } | ||
| 243 | if (posix_spawn_file_actions_adddup2(&fa, fd, STDOUT_FILENO) != 0) { | ||
| 244 | SDL_SetError("posix_spawn_file_actions_adddup2 failed: %s", strerror(errno)); | ||
| 245 | goto posix_spawn_fail_all; | ||
| 246 | } | ||
| 247 | break; | ||
| 248 | case SDL_PROCESS_STDIO_APP: | ||
| 249 | if (!CreatePipe(stdout_pipe)) { | ||
| 250 | goto posix_spawn_fail_all; | ||
| 251 | } | ||
| 252 | if (posix_spawn_file_actions_adddup2(&fa, stdout_pipe[WRITE_END], STDOUT_FILENO) != 0) { | ||
| 253 | SDL_SetError("posix_spawn_file_actions_adddup2 failed: %s", strerror(errno)); | ||
| 254 | goto posix_spawn_fail_all; | ||
| 255 | } | ||
| 256 | break; | ||
| 257 | case SDL_PROCESS_STDIO_NULL: | ||
| 258 | if (posix_spawn_file_actions_addopen(&fa, STDOUT_FILENO, "/dev/null", O_WRONLY, 0644) != 0) { | ||
| 259 | SDL_SetError("posix_spawn_file_actions_addopen failed: %s", strerror(errno)); | ||
| 260 | goto posix_spawn_fail_all; | ||
| 261 | } | ||
| 262 | break; | ||
| 263 | case SDL_PROCESS_STDIO_INHERITED: | ||
| 264 | default: | ||
| 265 | break; | ||
| 266 | } | ||
| 267 | |||
| 268 | if (redirect_stderr) { | ||
| 269 | if (posix_spawn_file_actions_adddup2(&fa, STDOUT_FILENO, STDERR_FILENO) != 0) { | ||
| 270 | SDL_SetError("posix_spawn_file_actions_adddup2 failed: %s", strerror(errno)); | ||
| 271 | goto posix_spawn_fail_all; | ||
| 272 | } | ||
| 273 | } else { | ||
| 274 | switch (stderr_option) { | ||
| 275 | case SDL_PROCESS_STDIO_REDIRECT: | ||
| 276 | if (!GetStreamFD(props, SDL_PROP_PROCESS_CREATE_STDERR_POINTER, &fd)) { | ||
| 277 | goto posix_spawn_fail_all; | ||
| 278 | } | ||
| 279 | if (posix_spawn_file_actions_adddup2(&fa, fd, STDERR_FILENO) != 0) { | ||
| 280 | SDL_SetError("posix_spawn_file_actions_adddup2 failed: %s", strerror(errno)); | ||
| 281 | goto posix_spawn_fail_all; | ||
| 282 | } | ||
| 283 | break; | ||
| 284 | case SDL_PROCESS_STDIO_APP: | ||
| 285 | if (!CreatePipe(stderr_pipe)) { | ||
| 286 | goto posix_spawn_fail_all; | ||
| 287 | } | ||
| 288 | if (posix_spawn_file_actions_adddup2(&fa, stderr_pipe[WRITE_END], STDERR_FILENO) != 0) { | ||
| 289 | SDL_SetError("posix_spawn_file_actions_adddup2 failed: %s", strerror(errno)); | ||
| 290 | goto posix_spawn_fail_all; | ||
| 291 | } | ||
| 292 | break; | ||
| 293 | case SDL_PROCESS_STDIO_NULL: | ||
| 294 | if (posix_spawn_file_actions_addopen(&fa, STDERR_FILENO, "/dev/null", O_WRONLY, 0644) != 0) { | ||
| 295 | SDL_SetError("posix_spawn_file_actions_addopen failed: %s", strerror(errno)); | ||
| 296 | goto posix_spawn_fail_all; | ||
| 297 | } | ||
| 298 | break; | ||
| 299 | case SDL_PROCESS_STDIO_INHERITED: | ||
| 300 | default: | ||
| 301 | break; | ||
| 302 | } | ||
| 303 | } | ||
| 304 | |||
| 305 | if (!AddFileDescriptorCloseActions(&fa)) { | ||
| 306 | goto posix_spawn_fail_all; | ||
| 307 | } | ||
| 308 | |||
| 309 | // Spawn the new process | ||
| 310 | if (process->background) { | ||
| 311 | int status = -1; | ||
| 312 | #ifdef SDL_PLATFORM_APPLE // Apple has vfork marked as deprecated and (as of macOS 10.12) is almost identical to calling fork() anyhow. | ||
| 313 | const pid_t pid = fork(); | ||
| 314 | const char *forkname = "fork"; | ||
| 315 | #else | ||
| 316 | const pid_t pid = vfork(); | ||
| 317 | const char *forkname = "vfork"; | ||
| 318 | #endif | ||
| 319 | switch (pid) { | ||
| 320 | case -1: | ||
| 321 | SDL_SetError("%s() failed: %s", forkname, strerror(errno)); | ||
| 322 | goto posix_spawn_fail_all; | ||
| 323 | |||
| 324 | case 0: | ||
| 325 | // Detach from the terminal and launch the process | ||
| 326 | setsid(); | ||
| 327 | if (posix_spawnp(&data->pid, args[0], &fa, &attr, args, envp) != 0) { | ||
| 328 | _exit(errno); | ||
| 329 | } | ||
| 330 | _exit(0); | ||
| 331 | |||
| 332 | default: | ||
| 333 | if (waitpid(pid, &status, 0) < 0) { | ||
| 334 | SDL_SetError("waitpid() failed: %s", strerror(errno)); | ||
| 335 | goto posix_spawn_fail_all; | ||
| 336 | } | ||
| 337 | if (status != 0) { | ||
| 338 | SDL_SetError("posix_spawn() failed: %s", strerror(status)); | ||
| 339 | goto posix_spawn_fail_all; | ||
| 340 | } | ||
| 341 | break; | ||
| 342 | } | ||
| 343 | } else { | ||
| 344 | if (posix_spawnp(&data->pid, args[0], &fa, &attr, args, envp) != 0) { | ||
| 345 | SDL_SetError("posix_spawn() failed: %s", strerror(errno)); | ||
| 346 | goto posix_spawn_fail_all; | ||
| 347 | } | ||
| 348 | } | ||
| 349 | SDL_SetNumberProperty(process->props, SDL_PROP_PROCESS_PID_NUMBER, data->pid); | ||
| 350 | |||
| 351 | if (stdin_option == SDL_PROCESS_STDIO_APP) { | ||
| 352 | if (!SetupStream(process, stdin_pipe[WRITE_END], "wb", SDL_PROP_PROCESS_STDIN_POINTER)) { | ||
| 353 | close(stdin_pipe[WRITE_END]); | ||
| 354 | } | ||
| 355 | close(stdin_pipe[READ_END]); | ||
| 356 | } | ||
| 357 | |||
| 358 | if (stdout_option == SDL_PROCESS_STDIO_APP) { | ||
| 359 | if (!SetupStream(process, stdout_pipe[READ_END], "rb", SDL_PROP_PROCESS_STDOUT_POINTER)) { | ||
| 360 | close(stdout_pipe[READ_END]); | ||
| 361 | } | ||
| 362 | close(stdout_pipe[WRITE_END]); | ||
| 363 | } | ||
| 364 | |||
| 365 | if (stderr_option == SDL_PROCESS_STDIO_APP) { | ||
| 366 | if (!SetupStream(process, stderr_pipe[READ_END], "rb", SDL_PROP_PROCESS_STDERR_POINTER)) { | ||
| 367 | close(stderr_pipe[READ_END]); | ||
| 368 | } | ||
| 369 | close(stderr_pipe[WRITE_END]); | ||
| 370 | } | ||
| 371 | |||
| 372 | posix_spawn_file_actions_destroy(&fa); | ||
| 373 | posix_spawnattr_destroy(&attr); | ||
| 374 | SDL_free(envp); | ||
| 375 | |||
| 376 | return true; | ||
| 377 | |||
| 378 | /* --------------------------------------------------------------------- */ | ||
| 379 | |||
| 380 | posix_spawn_fail_all: | ||
| 381 | posix_spawn_file_actions_destroy(&fa); | ||
| 382 | |||
| 383 | posix_spawn_fail_attr: | ||
| 384 | posix_spawnattr_destroy(&attr); | ||
| 385 | |||
| 386 | posix_spawn_fail_none: | ||
| 387 | if (stdin_pipe[READ_END] >= 0) { | ||
| 388 | close(stdin_pipe[READ_END]); | ||
| 389 | } | ||
| 390 | if (stdin_pipe[WRITE_END] >= 0) { | ||
| 391 | close(stdin_pipe[WRITE_END]); | ||
| 392 | } | ||
| 393 | if (stdout_pipe[READ_END] >= 0) { | ||
| 394 | close(stdout_pipe[READ_END]); | ||
| 395 | } | ||
| 396 | if (stdout_pipe[WRITE_END] >= 0) { | ||
| 397 | close(stdout_pipe[WRITE_END]); | ||
| 398 | } | ||
| 399 | if (stderr_pipe[READ_END] >= 0) { | ||
| 400 | close(stderr_pipe[READ_END]); | ||
| 401 | } | ||
| 402 | if (stderr_pipe[WRITE_END] >= 0) { | ||
| 403 | close(stderr_pipe[WRITE_END]); | ||
| 404 | } | ||
| 405 | SDL_free(envp); | ||
| 406 | return false; | ||
| 407 | } | ||
| 408 | |||
| 409 | bool SDL_SYS_KillProcess(SDL_Process *process, bool force) | ||
| 410 | { | ||
| 411 | int ret = kill(process->internal->pid, force ? SIGKILL : SIGTERM); | ||
| 412 | if (ret == 0) { | ||
| 413 | return true; | ||
| 414 | } else { | ||
| 415 | return SDL_SetError("Could not kill(): %s", strerror(errno)); | ||
| 416 | } | ||
| 417 | } | ||
| 418 | |||
| 419 | bool SDL_SYS_WaitProcess(SDL_Process *process, bool block, int *exitcode) | ||
| 420 | { | ||
| 421 | int wstatus = 0; | ||
| 422 | int ret; | ||
| 423 | pid_t pid = process->internal->pid; | ||
| 424 | |||
| 425 | if (process->background) { | ||
| 426 | // We can't wait on the status, so we'll poll to see if it's alive | ||
| 427 | if (block) { | ||
| 428 | while (kill(pid, 0) == 0) { | ||
| 429 | SDL_Delay(10); | ||
| 430 | } | ||
| 431 | } else { | ||
| 432 | if (kill(pid, 0) == 0) { | ||
| 433 | return false; | ||
| 434 | } | ||
| 435 | } | ||
| 436 | *exitcode = 0; | ||
| 437 | return true; | ||
| 438 | } else { | ||
| 439 | ret = waitpid(pid, &wstatus, block ? 0 : WNOHANG); | ||
| 440 | if (ret < 0) { | ||
| 441 | return SDL_SetError("Could not waitpid(): %s", strerror(errno)); | ||
| 442 | } | ||
| 443 | |||
| 444 | if (ret == 0) { | ||
| 445 | SDL_ClearError(); | ||
| 446 | return false; | ||
| 447 | } | ||
| 448 | |||
| 449 | if (WIFEXITED(wstatus)) { | ||
| 450 | *exitcode = WEXITSTATUS(wstatus); | ||
| 451 | } else if (WIFSIGNALED(wstatus)) { | ||
| 452 | *exitcode = -WTERMSIG(wstatus); | ||
| 453 | } else { | ||
| 454 | *exitcode = -255; | ||
| 455 | } | ||
| 456 | |||
| 457 | return true; | ||
| 458 | } | ||
| 459 | } | ||
| 460 | |||
| 461 | void SDL_SYS_DestroyProcess(SDL_Process *process) | ||
| 462 | { | ||
| 463 | SDL_IOStream *io; | ||
| 464 | |||
| 465 | io = (SDL_IOStream *)SDL_GetPointerProperty(process->props, SDL_PROP_PROCESS_STDIN_POINTER, NULL); | ||
| 466 | if (io) { | ||
| 467 | SDL_CloseIO(io); | ||
| 468 | } | ||
| 469 | |||
| 470 | io = (SDL_IOStream *)SDL_GetPointerProperty(process->props, SDL_PROP_PROCESS_STDOUT_POINTER, NULL); | ||
| 471 | if (io) { | ||
| 472 | SDL_CloseIO(io); | ||
| 473 | } | ||
| 474 | |||
| 475 | io = (SDL_IOStream *)SDL_GetPointerProperty(process->props, SDL_PROP_PROCESS_STDERR_POINTER, NULL); | ||
| 476 | if (io) { | ||
| 477 | SDL_CloseIO(io); | ||
| 478 | } | ||
| 479 | |||
| 480 | SDL_free(process->internal); | ||
| 481 | } | ||
| 482 | |||
| 483 | #endif // SDL_PROCESS_POSIX | ||
diff --git a/contrib/SDL-3.2.8/src/process/windows/SDL_windowsprocess.c b/contrib/SDL-3.2.8/src/process/windows/SDL_windowsprocess.c new file mode 100644 index 0000000..c1aee5c --- /dev/null +++ b/contrib/SDL-3.2.8/src/process/windows/SDL_windowsprocess.c | |||
| @@ -0,0 +1,557 @@ | |||
| 1 | /* | ||
| 2 | Simple DirectMedia Layer | ||
| 3 | Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org> | ||
| 4 | |||
| 5 | This software is provided 'as-is', without any express or implied | ||
| 6 | warranty. In no event will the authors be held liable for any damages | ||
| 7 | arising from the use of this software. | ||
| 8 | |||
| 9 | Permission is granted to anyone to use this software for any purpose, | ||
| 10 | including commercial applications, and to alter it and redistribute it | ||
| 11 | freely, subject to the following restrictions: | ||
| 12 | |||
| 13 | 1. The origin of this software must not be misrepresented; you must not | ||
| 14 | claim that you wrote the original software. If you use this software | ||
| 15 | in a product, an acknowledgment in the product documentation would be | ||
| 16 | appreciated but is not required. | ||
| 17 | 2. Altered source versions must be plainly marked as such, and must not be | ||
| 18 | misrepresented as being the original software. | ||
| 19 | 3. This notice may not be removed or altered from any source distribution. | ||
| 20 | */ | ||
| 21 | #include "SDL_internal.h" | ||
| 22 | |||
| 23 | #ifdef SDL_PROCESS_WINDOWS | ||
| 24 | |||
| 25 | #include "../../core/windows/SDL_windows.h" | ||
| 26 | #include "../SDL_sysprocess.h" | ||
| 27 | #include "../../io/SDL_iostream_c.h" | ||
| 28 | |||
| 29 | #define READ_END 0 | ||
| 30 | #define WRITE_END 1 | ||
| 31 | |||
| 32 | struct SDL_ProcessData { | ||
| 33 | PROCESS_INFORMATION process_information; | ||
| 34 | }; | ||
| 35 | |||
| 36 | static void CleanupStream(void *userdata, void *value) | ||
| 37 | { | ||
| 38 | SDL_Process *process = (SDL_Process *)value; | ||
| 39 | const char *property = (const char *)userdata; | ||
| 40 | |||
| 41 | SDL_ClearProperty(process->props, property); | ||
| 42 | } | ||
| 43 | |||
| 44 | static bool SetupStream(SDL_Process *process, HANDLE handle, const char *mode, const char *property) | ||
| 45 | { | ||
| 46 | SDL_IOStream *io = SDL_IOFromHandle(handle, mode, true); | ||
| 47 | if (!io) { | ||
| 48 | return false; | ||
| 49 | } | ||
| 50 | |||
| 51 | SDL_SetPointerPropertyWithCleanup(SDL_GetIOProperties(io), "SDL.internal.process", process, CleanupStream, (void *)property); | ||
| 52 | SDL_SetPointerProperty(process->props, property, io); | ||
| 53 | return true; | ||
| 54 | } | ||
| 55 | |||
| 56 | static bool SetupRedirect(SDL_PropertiesID props, const char *property, HANDLE *result) | ||
| 57 | { | ||
| 58 | SDL_IOStream *io = (SDL_IOStream *)SDL_GetPointerProperty(props, property, NULL); | ||
| 59 | if (!io) { | ||
| 60 | SDL_SetError("%s is not set", property); | ||
| 61 | return false; | ||
| 62 | } | ||
| 63 | |||
| 64 | HANDLE handle = (HANDLE)SDL_GetPointerProperty(SDL_GetIOProperties(io), SDL_PROP_IOSTREAM_WINDOWS_HANDLE_POINTER, INVALID_HANDLE_VALUE); | ||
| 65 | if (handle == INVALID_HANDLE_VALUE) { | ||
| 66 | SDL_SetError("%s doesn't have SDL_PROP_IOSTREAM_WINDOWS_HANDLE_POINTER available", property); | ||
| 67 | return false; | ||
| 68 | } | ||
| 69 | |||
| 70 | if (!DuplicateHandle(GetCurrentProcess(), handle, | ||
| 71 | GetCurrentProcess(), result, | ||
| 72 | 0, TRUE, DUPLICATE_SAME_ACCESS)) { | ||
| 73 | WIN_SetError("DuplicateHandle()"); | ||
| 74 | return false; | ||
| 75 | } | ||
| 76 | |||
| 77 | if (GetFileType(*result) == FILE_TYPE_PIPE) { | ||
| 78 | DWORD wait_mode = PIPE_WAIT; | ||
| 79 | if (!SetNamedPipeHandleState(*result, &wait_mode, NULL, NULL)) { | ||
| 80 | WIN_SetError("SetNamedPipeHandleState()"); | ||
| 81 | return false; | ||
| 82 | } | ||
| 83 | } | ||
| 84 | return true; | ||
| 85 | } | ||
| 86 | |||
| 87 | static bool is_batch_file_path(const char *path) { | ||
| 88 | size_t len_path = SDL_strlen(path); | ||
| 89 | if (len_path < 4) { | ||
| 90 | return false; | ||
| 91 | } | ||
| 92 | if (SDL_strcasecmp(path + len_path - 4, ".bat") == 0 || SDL_strcasecmp(path + len_path - 4, ".cmd") == 0) { | ||
| 93 | return true; | ||
| 94 | } | ||
| 95 | return false; | ||
| 96 | } | ||
| 97 | |||
| 98 | static bool join_arguments(const char * const *args, LPWSTR *args_out) | ||
| 99 | { | ||
| 100 | size_t len; | ||
| 101 | int i; | ||
| 102 | size_t i_out; | ||
| 103 | char *result; | ||
| 104 | bool batch_file = is_batch_file_path(args[0]); | ||
| 105 | |||
| 106 | len = 0; | ||
| 107 | for (i = 0; args[i]; i++) { | ||
| 108 | const char *a = args[i]; | ||
| 109 | |||
| 110 | /* two double quotes to surround an argument with */ | ||
| 111 | len += 2; | ||
| 112 | |||
| 113 | for (; *a; a++) { | ||
| 114 | switch (*a) { | ||
| 115 | case '"': | ||
| 116 | len += 2; | ||
| 117 | break; | ||
| 118 | case '\\': | ||
| 119 | /* only escape backslashes that precede a double quote */ | ||
| 120 | len += (a[1] == '"' || a[1] == '\0') ? 2 : 1; | ||
| 121 | break; | ||
| 122 | case ' ': | ||
| 123 | case '^': | ||
| 124 | case '&': | ||
| 125 | case '|': | ||
| 126 | case '<': | ||
| 127 | case '>': | ||
| 128 | if (batch_file) { | ||
| 129 | len += 2; | ||
| 130 | } else { | ||
| 131 | len += 1; | ||
| 132 | } | ||
| 133 | break; | ||
| 134 | default: | ||
| 135 | len += 1; | ||
| 136 | break; | ||
| 137 | } | ||
| 138 | } | ||
| 139 | /* space separator or final '\0' */ | ||
| 140 | len += 1; | ||
| 141 | } | ||
| 142 | |||
| 143 | result = SDL_malloc(len); | ||
| 144 | if (!result) { | ||
| 145 | *args_out = NULL; | ||
| 146 | return false; | ||
| 147 | } | ||
| 148 | |||
| 149 | i_out = 0; | ||
| 150 | for (i = 0; args[i]; i++) { | ||
| 151 | const char *a = args[i]; | ||
| 152 | |||
| 153 | result[i_out++] = '"'; | ||
| 154 | for (; *a; a++) { | ||
| 155 | switch (*a) { | ||
| 156 | case '"': | ||
| 157 | if (batch_file) { | ||
| 158 | result[i_out++] = '"'; | ||
| 159 | } else { | ||
| 160 | result[i_out++] = '\\'; | ||
| 161 | } | ||
| 162 | result[i_out++] = *a; | ||
| 163 | break; | ||
| 164 | case '\\': | ||
| 165 | result[i_out++] = *a; | ||
| 166 | if (a[1] == '"' || a[1] == '\0') { | ||
| 167 | result[i_out++] = *a; | ||
| 168 | } | ||
| 169 | break; | ||
| 170 | case ' ': | ||
| 171 | if (batch_file) { | ||
| 172 | result[i_out++] = '^'; | ||
| 173 | } | ||
| 174 | result[i_out++] = *a; | ||
| 175 | break; | ||
| 176 | case '^': | ||
| 177 | case '&': | ||
| 178 | case '|': | ||
| 179 | case '<': | ||
| 180 | case '>': | ||
| 181 | if (batch_file) { | ||
| 182 | result[i_out++] = '^'; | ||
| 183 | } | ||
| 184 | result[i_out++] = *a; | ||
| 185 | break; | ||
| 186 | default: | ||
| 187 | result[i_out++] = *a; | ||
| 188 | break; | ||
| 189 | } | ||
| 190 | } | ||
| 191 | result[i_out++] = '"'; | ||
| 192 | result[i_out++] = ' '; | ||
| 193 | } | ||
| 194 | SDL_assert(i_out == len); | ||
| 195 | result[len - 1] = '\0'; | ||
| 196 | |||
| 197 | *args_out = (LPWSTR)SDL_iconv_string("UTF-16LE", "UTF-8", (const char *)result, len); | ||
| 198 | SDL_free(result); | ||
| 199 | if (!args_out) { | ||
| 200 | return false; | ||
| 201 | } | ||
| 202 | return true; | ||
| 203 | } | ||
| 204 | |||
| 205 | static bool join_env(char **env, LPWSTR *env_out) | ||
| 206 | { | ||
| 207 | size_t len; | ||
| 208 | char **var; | ||
| 209 | char *result; | ||
| 210 | |||
| 211 | len = 0; | ||
| 212 | for (var = env; *var; var++) { | ||
| 213 | len += SDL_strlen(*var) + 1; | ||
| 214 | } | ||
| 215 | result = SDL_malloc(len + 1); | ||
| 216 | if (!result) { | ||
| 217 | return false; | ||
| 218 | } | ||
| 219 | |||
| 220 | len = 0; | ||
| 221 | for (var = env; *var; var++) { | ||
| 222 | size_t l = SDL_strlen(*var); | ||
| 223 | SDL_memcpy(result + len, *var, l); | ||
| 224 | result[len + l] = '\0'; | ||
| 225 | len += l + 1; | ||
| 226 | } | ||
| 227 | result[len] = '\0'; | ||
| 228 | |||
| 229 | *env_out = (LPWSTR)SDL_iconv_string("UTF-16LE", "UTF-8", (const char *)result, len); | ||
| 230 | SDL_free(result); | ||
| 231 | if (!*env_out) { | ||
| 232 | return false; | ||
| 233 | } | ||
| 234 | return true; | ||
| 235 | } | ||
| 236 | |||
| 237 | bool SDL_SYS_CreateProcessWithProperties(SDL_Process *process, SDL_PropertiesID props) | ||
| 238 | { | ||
| 239 | const char * const *args = SDL_GetPointerProperty(props, SDL_PROP_PROCESS_CREATE_ARGS_POINTER, NULL); | ||
| 240 | SDL_Environment *env = SDL_GetPointerProperty(props, SDL_PROP_PROCESS_CREATE_ENVIRONMENT_POINTER, SDL_GetEnvironment()); | ||
| 241 | char **envp = NULL; | ||
| 242 | SDL_ProcessIO stdin_option = (SDL_ProcessIO)SDL_GetNumberProperty(props, SDL_PROP_PROCESS_CREATE_STDIN_NUMBER, SDL_PROCESS_STDIO_NULL); | ||
| 243 | SDL_ProcessIO stdout_option = (SDL_ProcessIO)SDL_GetNumberProperty(props, SDL_PROP_PROCESS_CREATE_STDOUT_NUMBER, SDL_PROCESS_STDIO_INHERITED); | ||
| 244 | SDL_ProcessIO stderr_option = (SDL_ProcessIO)SDL_GetNumberProperty(props, SDL_PROP_PROCESS_CREATE_STDERR_NUMBER, SDL_PROCESS_STDIO_INHERITED); | ||
| 245 | bool redirect_stderr = SDL_GetBooleanProperty(props, SDL_PROP_PROCESS_CREATE_STDERR_TO_STDOUT_BOOLEAN, false) && | ||
| 246 | !SDL_HasProperty(props, SDL_PROP_PROCESS_CREATE_STDERR_NUMBER); | ||
| 247 | LPWSTR createprocess_cmdline = NULL; | ||
| 248 | LPWSTR createprocess_env = NULL; | ||
| 249 | STARTUPINFOW startup_info; | ||
| 250 | DWORD creation_flags; | ||
| 251 | SECURITY_ATTRIBUTES security_attributes; | ||
| 252 | HANDLE stdin_pipe[2] = { INVALID_HANDLE_VALUE, INVALID_HANDLE_VALUE }; | ||
| 253 | HANDLE stdout_pipe[2] = { INVALID_HANDLE_VALUE, INVALID_HANDLE_VALUE }; | ||
| 254 | HANDLE stderr_pipe[2] = { INVALID_HANDLE_VALUE, INVALID_HANDLE_VALUE }; | ||
| 255 | DWORD pipe_mode = PIPE_NOWAIT; | ||
| 256 | bool result = false; | ||
| 257 | |||
| 258 | // Keep the malloc() before exec() so that an OOM won't run a process at all | ||
| 259 | envp = SDL_GetEnvironmentVariables(env); | ||
| 260 | if (!envp) { | ||
| 261 | return false; | ||
| 262 | } | ||
| 263 | |||
| 264 | SDL_ProcessData *data = SDL_calloc(1, sizeof(*data)); | ||
| 265 | if (!data) { | ||
| 266 | SDL_free(envp); | ||
| 267 | return false; | ||
| 268 | } | ||
| 269 | process->internal = data; | ||
| 270 | data->process_information.hProcess = INVALID_HANDLE_VALUE; | ||
| 271 | data->process_information.hThread = INVALID_HANDLE_VALUE; | ||
| 272 | |||
| 273 | creation_flags = CREATE_UNICODE_ENVIRONMENT; | ||
| 274 | |||
| 275 | SDL_zero(startup_info); | ||
| 276 | startup_info.cb = sizeof(startup_info); | ||
| 277 | startup_info.dwFlags |= STARTF_USESTDHANDLES; | ||
| 278 | startup_info.hStdInput = INVALID_HANDLE_VALUE; | ||
| 279 | startup_info.hStdOutput = INVALID_HANDLE_VALUE; | ||
| 280 | startup_info.hStdError = INVALID_HANDLE_VALUE; | ||
| 281 | |||
| 282 | SDL_zero(security_attributes); | ||
| 283 | security_attributes.nLength = sizeof(SECURITY_ATTRIBUTES); | ||
| 284 | security_attributes.bInheritHandle = TRUE; | ||
| 285 | security_attributes.lpSecurityDescriptor = NULL; | ||
| 286 | |||
| 287 | if (!join_arguments(args, &createprocess_cmdline)) { | ||
| 288 | goto done; | ||
| 289 | } | ||
| 290 | |||
| 291 | if (!join_env(envp, &createprocess_env)) { | ||
| 292 | goto done; | ||
| 293 | } | ||
| 294 | |||
| 295 | // Background processes don't have access to the terminal | ||
| 296 | // This isn't necessary on Windows, but we keep the same behavior as the POSIX implementation. | ||
| 297 | if (process->background) { | ||
| 298 | if (stdin_option == SDL_PROCESS_STDIO_INHERITED) { | ||
| 299 | stdin_option = SDL_PROCESS_STDIO_NULL; | ||
| 300 | } | ||
| 301 | if (stdout_option == SDL_PROCESS_STDIO_INHERITED) { | ||
| 302 | stdout_option = SDL_PROCESS_STDIO_NULL; | ||
| 303 | } | ||
| 304 | if (stderr_option == SDL_PROCESS_STDIO_INHERITED) { | ||
| 305 | stderr_option = SDL_PROCESS_STDIO_NULL; | ||
| 306 | } | ||
| 307 | } | ||
| 308 | |||
| 309 | switch (stdin_option) { | ||
| 310 | case SDL_PROCESS_STDIO_REDIRECT: | ||
| 311 | if (!SetupRedirect(props, SDL_PROP_PROCESS_CREATE_STDIN_POINTER, &startup_info.hStdInput)) { | ||
| 312 | goto done; | ||
| 313 | } | ||
| 314 | break; | ||
| 315 | case SDL_PROCESS_STDIO_APP: | ||
| 316 | if (!CreatePipe(&stdin_pipe[READ_END], &stdin_pipe[WRITE_END], &security_attributes, 0)) { | ||
| 317 | stdin_pipe[READ_END] = INVALID_HANDLE_VALUE; | ||
| 318 | stdin_pipe[WRITE_END] = INVALID_HANDLE_VALUE; | ||
| 319 | goto done; | ||
| 320 | } | ||
| 321 | if (!SetNamedPipeHandleState(stdin_pipe[WRITE_END], &pipe_mode, NULL, NULL)) { | ||
| 322 | WIN_SetError("SetNamedPipeHandleState()"); | ||
| 323 | goto done; | ||
| 324 | } | ||
| 325 | if (!SetHandleInformation(stdin_pipe[WRITE_END], HANDLE_FLAG_INHERIT, 0) ) { | ||
| 326 | WIN_SetError("SetHandleInformation()"); | ||
| 327 | goto done; | ||
| 328 | } | ||
| 329 | startup_info.hStdInput = stdin_pipe[READ_END]; | ||
| 330 | break; | ||
| 331 | case SDL_PROCESS_STDIO_NULL: | ||
| 332 | startup_info.hStdInput = CreateFile(TEXT("\\\\.\\NUL"), GENERIC_ALL, 0, &security_attributes, OPEN_EXISTING, 0, NULL); | ||
| 333 | break; | ||
| 334 | case SDL_PROCESS_STDIO_INHERITED: | ||
| 335 | default: | ||
| 336 | if (!DuplicateHandle(GetCurrentProcess(), GetStdHandle(STD_INPUT_HANDLE), | ||
| 337 | GetCurrentProcess(), &startup_info.hStdInput, | ||
| 338 | 0, TRUE, DUPLICATE_SAME_ACCESS)) { | ||
| 339 | startup_info.hStdInput = INVALID_HANDLE_VALUE; | ||
| 340 | WIN_SetError("DuplicateHandle()"); | ||
| 341 | goto done; | ||
| 342 | } | ||
| 343 | break; | ||
| 344 | } | ||
| 345 | |||
| 346 | switch (stdout_option) { | ||
| 347 | case SDL_PROCESS_STDIO_REDIRECT: | ||
| 348 | if (!SetupRedirect(props, SDL_PROP_PROCESS_CREATE_STDOUT_POINTER, &startup_info.hStdOutput)) { | ||
| 349 | goto done; | ||
| 350 | } | ||
| 351 | break; | ||
| 352 | case SDL_PROCESS_STDIO_APP: | ||
| 353 | if (!CreatePipe(&stdout_pipe[READ_END], &stdout_pipe[WRITE_END], &security_attributes, 0)) { | ||
| 354 | stdout_pipe[READ_END] = INVALID_HANDLE_VALUE; | ||
| 355 | stdout_pipe[WRITE_END] = INVALID_HANDLE_VALUE; | ||
| 356 | goto done; | ||
| 357 | } | ||
| 358 | if (!SetNamedPipeHandleState(stdout_pipe[READ_END], &pipe_mode, NULL, NULL)) { | ||
| 359 | WIN_SetError("SetNamedPipeHandleState()"); | ||
| 360 | goto done; | ||
| 361 | } | ||
| 362 | if (!SetHandleInformation(stdout_pipe[READ_END], HANDLE_FLAG_INHERIT, 0) ) { | ||
| 363 | WIN_SetError("SetHandleInformation()"); | ||
| 364 | goto done; | ||
| 365 | } | ||
| 366 | startup_info.hStdOutput = stdout_pipe[WRITE_END]; | ||
| 367 | break; | ||
| 368 | case SDL_PROCESS_STDIO_NULL: | ||
| 369 | startup_info.hStdOutput = CreateFile(TEXT("\\\\.\\NUL"), GENERIC_ALL, 0, &security_attributes, OPEN_EXISTING, 0, NULL); | ||
| 370 | break; | ||
| 371 | case SDL_PROCESS_STDIO_INHERITED: | ||
| 372 | default: | ||
| 373 | if (!DuplicateHandle(GetCurrentProcess(), GetStdHandle(STD_OUTPUT_HANDLE), | ||
| 374 | GetCurrentProcess(), &startup_info.hStdOutput, | ||
| 375 | 0, TRUE, DUPLICATE_SAME_ACCESS)) { | ||
| 376 | startup_info.hStdOutput = INVALID_HANDLE_VALUE; | ||
| 377 | WIN_SetError("DuplicateHandle()"); | ||
| 378 | goto done; | ||
| 379 | } | ||
| 380 | break; | ||
| 381 | } | ||
| 382 | |||
| 383 | if (redirect_stderr) { | ||
| 384 | if (!DuplicateHandle(GetCurrentProcess(), startup_info.hStdOutput, | ||
| 385 | GetCurrentProcess(), &startup_info.hStdError, | ||
| 386 | 0, TRUE, DUPLICATE_SAME_ACCESS)) { | ||
| 387 | startup_info.hStdError = INVALID_HANDLE_VALUE; | ||
| 388 | WIN_SetError("DuplicateHandle()"); | ||
| 389 | goto done; | ||
| 390 | } | ||
| 391 | } else { | ||
| 392 | switch (stderr_option) { | ||
| 393 | case SDL_PROCESS_STDIO_REDIRECT: | ||
| 394 | if (!SetupRedirect(props, SDL_PROP_PROCESS_CREATE_STDERR_POINTER, &startup_info.hStdError)) { | ||
| 395 | goto done; | ||
| 396 | } | ||
| 397 | break; | ||
| 398 | case SDL_PROCESS_STDIO_APP: | ||
| 399 | if (!CreatePipe(&stderr_pipe[READ_END], &stderr_pipe[WRITE_END], &security_attributes, 0)) { | ||
| 400 | stderr_pipe[READ_END] = INVALID_HANDLE_VALUE; | ||
| 401 | stderr_pipe[WRITE_END] = INVALID_HANDLE_VALUE; | ||
| 402 | goto done; | ||
| 403 | } | ||
| 404 | if (!SetNamedPipeHandleState(stderr_pipe[READ_END], &pipe_mode, NULL, NULL)) { | ||
| 405 | WIN_SetError("SetNamedPipeHandleState()"); | ||
| 406 | goto done; | ||
| 407 | } | ||
| 408 | if (!SetHandleInformation(stderr_pipe[READ_END], HANDLE_FLAG_INHERIT, 0) ) { | ||
| 409 | WIN_SetError("SetHandleInformation()"); | ||
| 410 | goto done; | ||
| 411 | } | ||
| 412 | startup_info.hStdError = stderr_pipe[WRITE_END]; | ||
| 413 | break; | ||
| 414 | case SDL_PROCESS_STDIO_NULL: | ||
| 415 | startup_info.hStdError = CreateFile(TEXT("\\\\.\\NUL"), GENERIC_ALL, 0, &security_attributes, OPEN_EXISTING, 0, NULL); | ||
| 416 | break; | ||
| 417 | case SDL_PROCESS_STDIO_INHERITED: | ||
| 418 | default: | ||
| 419 | if (!DuplicateHandle(GetCurrentProcess(), GetStdHandle(STD_ERROR_HANDLE), | ||
| 420 | GetCurrentProcess(), &startup_info.hStdError, | ||
| 421 | 0, TRUE, DUPLICATE_SAME_ACCESS)) { | ||
| 422 | startup_info.hStdError = INVALID_HANDLE_VALUE; | ||
| 423 | WIN_SetError("DuplicateHandle()"); | ||
| 424 | goto done; | ||
| 425 | } | ||
| 426 | break; | ||
| 427 | } | ||
| 428 | } | ||
| 429 | |||
| 430 | if (!CreateProcessW(NULL, createprocess_cmdline, NULL, NULL, TRUE, creation_flags, createprocess_env, NULL, &startup_info, &data->process_information)) { | ||
| 431 | WIN_SetError("CreateProcess"); | ||
| 432 | goto done; | ||
| 433 | } | ||
| 434 | |||
| 435 | SDL_SetNumberProperty(process->props, SDL_PROP_PROCESS_PID_NUMBER, data->process_information.dwProcessId); | ||
| 436 | |||
| 437 | if (stdin_option == SDL_PROCESS_STDIO_APP) { | ||
| 438 | if (!SetupStream(process, stdin_pipe[WRITE_END], "wb", SDL_PROP_PROCESS_STDIN_POINTER)) { | ||
| 439 | CloseHandle(stdin_pipe[WRITE_END]); | ||
| 440 | stdin_pipe[WRITE_END] = INVALID_HANDLE_VALUE; | ||
| 441 | } | ||
| 442 | } | ||
| 443 | if (stdout_option == SDL_PROCESS_STDIO_APP) { | ||
| 444 | if (!SetupStream(process, stdout_pipe[READ_END], "rb", SDL_PROP_PROCESS_STDOUT_POINTER)) { | ||
| 445 | CloseHandle(stdout_pipe[READ_END]); | ||
| 446 | stdout_pipe[READ_END] = INVALID_HANDLE_VALUE; | ||
| 447 | } | ||
| 448 | } | ||
| 449 | if (stderr_option == SDL_PROCESS_STDIO_APP) { | ||
| 450 | if (!SetupStream(process, stderr_pipe[READ_END], "rb", SDL_PROP_PROCESS_STDERR_POINTER)) { | ||
| 451 | CloseHandle(stderr_pipe[READ_END]); | ||
| 452 | stderr_pipe[READ_END] = INVALID_HANDLE_VALUE; | ||
| 453 | } | ||
| 454 | } | ||
| 455 | |||
| 456 | result = true; | ||
| 457 | |||
| 458 | done: | ||
| 459 | if (startup_info.hStdInput != INVALID_HANDLE_VALUE && | ||
| 460 | startup_info.hStdInput != stdin_pipe[READ_END]) { | ||
| 461 | CloseHandle(startup_info.hStdInput); | ||
| 462 | } | ||
| 463 | if (startup_info.hStdOutput != INVALID_HANDLE_VALUE && | ||
| 464 | startup_info.hStdOutput != stdout_pipe[WRITE_END]) { | ||
| 465 | CloseHandle(startup_info.hStdOutput); | ||
| 466 | } | ||
| 467 | if (startup_info.hStdError != INVALID_HANDLE_VALUE && | ||
| 468 | startup_info.hStdError != stderr_pipe[WRITE_END]) { | ||
| 469 | CloseHandle(startup_info.hStdError); | ||
| 470 | } | ||
| 471 | if (stdin_pipe[READ_END] != INVALID_HANDLE_VALUE) { | ||
| 472 | CloseHandle(stdin_pipe[READ_END]); | ||
| 473 | } | ||
| 474 | if (stdout_pipe[WRITE_END] != INVALID_HANDLE_VALUE) { | ||
| 475 | CloseHandle(stdout_pipe[WRITE_END]); | ||
| 476 | } | ||
| 477 | if (stderr_pipe[WRITE_END] != INVALID_HANDLE_VALUE) { | ||
| 478 | CloseHandle(stderr_pipe[WRITE_END]); | ||
| 479 | } | ||
| 480 | SDL_free(createprocess_cmdline); | ||
| 481 | SDL_free(createprocess_env); | ||
| 482 | SDL_free(envp); | ||
| 483 | |||
| 484 | if (!result) { | ||
| 485 | if (stdin_pipe[WRITE_END] != INVALID_HANDLE_VALUE) { | ||
| 486 | CloseHandle(stdin_pipe[WRITE_END]); | ||
| 487 | } | ||
| 488 | if (stdout_pipe[READ_END] != INVALID_HANDLE_VALUE) { | ||
| 489 | CloseHandle(stdout_pipe[READ_END]); | ||
| 490 | } | ||
| 491 | if (stderr_pipe[READ_END] != INVALID_HANDLE_VALUE) { | ||
| 492 | CloseHandle(stderr_pipe[READ_END]); | ||
| 493 | } | ||
| 494 | } | ||
| 495 | return result; | ||
| 496 | } | ||
| 497 | |||
| 498 | bool SDL_SYS_KillProcess(SDL_Process *process, bool force) | ||
| 499 | { | ||
| 500 | if (!TerminateProcess(process->internal->process_information.hProcess, 1)) { | ||
| 501 | return WIN_SetError("TerminateProcess failed"); | ||
| 502 | } | ||
| 503 | return true; | ||
| 504 | } | ||
| 505 | |||
| 506 | bool SDL_SYS_WaitProcess(SDL_Process *process, bool block, int *exitcode) | ||
| 507 | { | ||
| 508 | DWORD result; | ||
| 509 | |||
| 510 | result = WaitForSingleObject(process->internal->process_information.hProcess, block ? INFINITE : 0); | ||
| 511 | |||
| 512 | if (result == WAIT_OBJECT_0) { | ||
| 513 | DWORD rc; | ||
| 514 | if (!GetExitCodeProcess(process->internal->process_information.hProcess, &rc)) { | ||
| 515 | return WIN_SetError("GetExitCodeProcess"); | ||
| 516 | } | ||
| 517 | if (exitcode) { | ||
| 518 | *exitcode = (int)rc; | ||
| 519 | } | ||
| 520 | return true; | ||
| 521 | } else if (result == WAIT_FAILED) { | ||
| 522 | return WIN_SetError("WaitForSingleObject(hProcess) returned WAIT_FAILED"); | ||
| 523 | } else { | ||
| 524 | SDL_ClearError(); | ||
| 525 | return false; | ||
| 526 | } | ||
| 527 | } | ||
| 528 | |||
| 529 | void SDL_SYS_DestroyProcess(SDL_Process *process) | ||
| 530 | { | ||
| 531 | SDL_ProcessData *data = process->internal; | ||
| 532 | SDL_IOStream *io; | ||
| 533 | |||
| 534 | io = (SDL_IOStream *)SDL_GetPointerProperty(process->props, SDL_PROP_PROCESS_STDIN_POINTER, NULL); | ||
| 535 | if (io) { | ||
| 536 | SDL_CloseIO(io); | ||
| 537 | } | ||
| 538 | io = (SDL_IOStream *)SDL_GetPointerProperty(process->props, SDL_PROP_PROCESS_STDERR_POINTER, NULL); | ||
| 539 | if (io) { | ||
| 540 | SDL_CloseIO(io); | ||
| 541 | } | ||
| 542 | io = (SDL_IOStream *)SDL_GetPointerProperty(process->props, SDL_PROP_PROCESS_STDOUT_POINTER, NULL); | ||
| 543 | if (io) { | ||
| 544 | SDL_CloseIO(io); | ||
| 545 | } | ||
| 546 | if (data) { | ||
| 547 | if (data->process_information.hThread != INVALID_HANDLE_VALUE) { | ||
| 548 | CloseHandle(data->process_information.hThread); | ||
| 549 | } | ||
| 550 | if (data->process_information.hProcess != INVALID_HANDLE_VALUE) { | ||
| 551 | CloseHandle(data->process_information.hProcess); | ||
| 552 | } | ||
| 553 | } | ||
| 554 | SDL_free(data); | ||
| 555 | } | ||
| 556 | |||
| 557 | #endif // SDL_PROCESS_WINDOWS | ||
