From 5a079a2d114f96d4847d1ee305d5b7c16eeec50e Mon Sep 17 00:00:00 2001 From: 3gg <3gg@shellblade.net> Date: Sat, 27 Dec 2025 12:03:39 -0800 Subject: Initial commit --- contrib/SDL-3.2.8/src/core/unix/SDL_appid.c | 75 +++++++++++++++++++++++ contrib/SDL-3.2.8/src/core/unix/SDL_appid.h | 30 +++++++++ contrib/SDL-3.2.8/src/core/unix/SDL_poll.c | 95 +++++++++++++++++++++++++++++ contrib/SDL-3.2.8/src/core/unix/SDL_poll.h | 33 ++++++++++ 4 files changed, 233 insertions(+) create mode 100644 contrib/SDL-3.2.8/src/core/unix/SDL_appid.c create mode 100644 contrib/SDL-3.2.8/src/core/unix/SDL_appid.h create mode 100644 contrib/SDL-3.2.8/src/core/unix/SDL_poll.c create mode 100644 contrib/SDL-3.2.8/src/core/unix/SDL_poll.h (limited to 'contrib/SDL-3.2.8/src/core/unix') diff --git a/contrib/SDL-3.2.8/src/core/unix/SDL_appid.c b/contrib/SDL-3.2.8/src/core/unix/SDL_appid.c new file mode 100644 index 0000000..996e216 --- /dev/null +++ b/contrib/SDL-3.2.8/src/core/unix/SDL_appid.c @@ -0,0 +1,75 @@ +/* + Simple DirectMedia Layer + Copyright (C) 1997-2025 Sam Lantinga + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. +*/ + +#include "SDL_internal.h" + +#include "SDL_appid.h" +#include + +const char *SDL_GetExeName(void) +{ + static const char *proc_name = NULL; + + // TODO: Use a fallback if BSD has no mounted procfs (OpenBSD has no procfs at all) + if (!proc_name) { +#if defined(SDL_PLATFORM_LINUX) || defined(SDL_PLATFORM_FREEBSD) || defined (SDL_PLATFORM_NETBSD) + static char linkfile[1024]; + int linksize; + +#if defined(SDL_PLATFORM_LINUX) + const char *proc_path = "/proc/self/exe"; +#elif defined(SDL_PLATFORM_FREEBSD) + const char *proc_path = "/proc/curproc/file"; +#elif defined(SDL_PLATFORM_NETBSD) + const char *proc_path = "/proc/curproc/exe"; +#endif + linksize = readlink(proc_path, linkfile, sizeof(linkfile) - 1); + if (linksize > 0) { + linkfile[linksize] = '\0'; + proc_name = SDL_strrchr(linkfile, '/'); + if (proc_name) { + ++proc_name; + } else { + proc_name = linkfile; + } + } +#endif + } + + return proc_name; +} + +const char *SDL_GetAppID(void) +{ + const char *id_str = SDL_GetAppMetadataProperty(SDL_PROP_APP_METADATA_IDENTIFIER_STRING); + + if (!id_str) { + // If the hint isn't set, try to use the application's executable name + id_str = SDL_GetExeName(); + } + + if (!id_str) { + // Finally, use the default we've used forever + id_str = "SDL_App"; + } + + return id_str; +} diff --git a/contrib/SDL-3.2.8/src/core/unix/SDL_appid.h b/contrib/SDL-3.2.8/src/core/unix/SDL_appid.h new file mode 100644 index 0000000..3482521 --- /dev/null +++ b/contrib/SDL-3.2.8/src/core/unix/SDL_appid.h @@ -0,0 +1,30 @@ +/* +Simple DirectMedia Layer +Copyright (C) 1997-2025 Sam Lantinga + +This software is provided 'as-is', without any express or implied +warranty. In no event will the authors be held liable for any damages +arising from the use of this software. + +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it +freely, subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. +2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. +*/ + +#include "SDL_internal.h" + +#ifndef SDL_appid_h_ +#define SDL_appid_h_ + +extern const char *SDL_GetExeName(void); +extern const char *SDL_GetAppID(void); + +#endif // SDL_appid_h_ diff --git a/contrib/SDL-3.2.8/src/core/unix/SDL_poll.c b/contrib/SDL-3.2.8/src/core/unix/SDL_poll.c new file mode 100644 index 0000000..572ed5a --- /dev/null +++ b/contrib/SDL-3.2.8/src/core/unix/SDL_poll.c @@ -0,0 +1,95 @@ +/* + Simple DirectMedia Layer + Copyright (C) 1997-2025 Sam Lantinga + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. +*/ + +#include "SDL_internal.h" + +#include "SDL_poll.h" + +#ifdef HAVE_POLL +#include +#else +#include +#include +#include +#endif +#include + +int SDL_IOReady(int fd, int flags, Sint64 timeoutNS) +{ + int result; + + SDL_assert(flags & (SDL_IOR_READ | SDL_IOR_WRITE)); + + // Note: We don't bother to account for elapsed time if we get EINTR + do { +#ifdef HAVE_POLL + struct pollfd info; + int timeoutMS; + + info.fd = fd; + info.events = 0; + if (flags & SDL_IOR_READ) { + info.events |= POLLIN | POLLPRI; + } + if (flags & SDL_IOR_WRITE) { + info.events |= POLLOUT; + } + // FIXME: Add support for ppoll() for nanosecond precision + if (timeoutNS > 0) { + timeoutMS = (int)SDL_NS_TO_MS(timeoutNS + (SDL_NS_PER_MS - 1)); + } else if (timeoutNS == 0) { + timeoutMS = 0; + } else { + timeoutMS = -1; + } + result = poll(&info, 1, timeoutMS); +#else + fd_set rfdset, *rfdp = NULL; + fd_set wfdset, *wfdp = NULL; + struct timeval tv, *tvp = NULL; + + // If this assert triggers we'll corrupt memory here + SDL_assert(fd >= 0 && fd < FD_SETSIZE); + + if (flags & SDL_IOR_READ) { + FD_ZERO(&rfdset); + FD_SET(fd, &rfdset); + rfdp = &rfdset; + } + if (flags & SDL_IOR_WRITE) { + FD_ZERO(&wfdset); + FD_SET(fd, &wfdset); + wfdp = &wfdset; + } + + if (timeoutNS >= 0) { + tv.tv_sec = (timeoutNS / SDL_NS_PER_SECOND); + tv.tv_usec = SDL_NS_TO_US((timeoutNS % SDL_NS_PER_SECOND) + (SDL_NS_PER_US - 1)); + tvp = &tv; + } + + result = select(fd + 1, rfdp, wfdp, NULL, tvp); +#endif // HAVE_POLL + + } while (result < 0 && errno == EINTR && !(flags & SDL_IOR_NO_RETRY)); + + return result; +} diff --git a/contrib/SDL-3.2.8/src/core/unix/SDL_poll.h b/contrib/SDL-3.2.8/src/core/unix/SDL_poll.h new file mode 100644 index 0000000..571619d --- /dev/null +++ b/contrib/SDL-3.2.8/src/core/unix/SDL_poll.h @@ -0,0 +1,33 @@ +/* + Simple DirectMedia Layer + Copyright (C) 1997-2025 Sam Lantinga + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. +*/ + +#include "SDL_internal.h" + +#ifndef SDL_poll_h_ +#define SDL_poll_h_ + +#define SDL_IOR_READ 0x1 +#define SDL_IOR_WRITE 0x2 +#define SDL_IOR_NO_RETRY 0x4 + +extern int SDL_IOReady(int fd, int flags, Sint64 timeoutNS); + +#endif // SDL_poll_h_ -- cgit v1.2.3