From 30f41c02aec763d32e62351452da9ef582bc3472 Mon Sep 17 00:00:00 2001 From: 3gg <3gg@shellblade.net> Date: Fri, 6 Mar 2026 13:30:59 -0800 Subject: Move contrib libraries to contrib repo --- .../SDL-3.2.8/src/thread/pthread/SDL_systhread.c | 293 --------------------- 1 file changed, 293 deletions(-) delete mode 100644 contrib/SDL-3.2.8/src/thread/pthread/SDL_systhread.c (limited to 'contrib/SDL-3.2.8/src/thread/pthread/SDL_systhread.c') diff --git a/contrib/SDL-3.2.8/src/thread/pthread/SDL_systhread.c b/contrib/SDL-3.2.8/src/thread/pthread/SDL_systhread.c deleted file mode 100644 index ae4a94c..0000000 --- a/contrib/SDL-3.2.8/src/thread/pthread/SDL_systhread.c +++ /dev/null @@ -1,293 +0,0 @@ -/* - 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 - -#ifdef HAVE_PTHREAD_NP_H -#include -#endif - -#ifdef HAVE_SIGNAL_H -#include -#endif -#include - -#ifdef SDL_PLATFORM_LINUX -#include -#include -#include -#include - -#include "../../core/linux/SDL_dbus.h" -#endif // SDL_PLATFORM_LINUX - -#if (defined(SDL_PLATFORM_LINUX) || defined(SDL_PLATFORM_ANDROID) || defined(SDL_PLATFORM_MACOS) || defined(SDL_PLATFORM_IOS)) && defined(HAVE_DLOPEN) -#include -#ifndef RTLD_DEFAULT -#define RTLD_DEFAULT NULL -#endif -#endif - -#include "../SDL_thread_c.h" -#include "../SDL_systhread.h" -#ifdef SDL_PLATFORM_ANDROID -#include "../../core/android/SDL_android.h" -#endif - -#ifdef SDL_PLATFORM_HAIKU -#include -#endif - -#ifdef HAVE_SIGNAL_H -// List of signals to mask in the subthreads -static const int sig_list[] = { - SIGHUP, SIGINT, SIGQUIT, SIGPIPE, SIGALRM, SIGTERM, SIGCHLD, SIGWINCH, - SIGVTALRM, SIGPROF, 0 -}; -#endif - -static void *RunThread(void *data) -{ -#ifdef SDL_PLATFORM_ANDROID - Android_JNI_SetupThread(); -#endif - SDL_RunThread((SDL_Thread *)data); - return NULL; -} - -#if (defined(SDL_PLATFORM_MACOS) || defined(SDL_PLATFORM_IOS)) && defined(HAVE_DLOPEN) -static bool checked_setname = false; -static int (*ppthread_setname_np)(const char *) = NULL; -#elif (defined(SDL_PLATFORM_LINUX) || defined(SDL_PLATFORM_ANDROID)) && defined(HAVE_DLOPEN) -static bool checked_setname = false; -static int (*ppthread_setname_np)(pthread_t, const char *) = NULL; -#endif -bool SDL_SYS_CreateThread(SDL_Thread *thread, - SDL_FunctionPointer pfnBeginThread, - SDL_FunctionPointer pfnEndThread) -{ - pthread_attr_t type; - -// do this here before any threads exist, so there's no race condition. -#if (defined(SDL_PLATFORM_MACOS) || defined(SDL_PLATFORM_IOS) || defined(SDL_PLATFORM_LINUX) || defined(SDL_PLATFORM_ANDROID)) && defined(HAVE_DLOPEN) - if (!checked_setname) { - void *fn = dlsym(RTLD_DEFAULT, "pthread_setname_np"); -#if defined(SDL_PLATFORM_MACOS) || defined(SDL_PLATFORM_IOS) - ppthread_setname_np = (int (*)(const char *))fn; -#elif defined(SDL_PLATFORM_LINUX) || defined(SDL_PLATFORM_ANDROID) - ppthread_setname_np = (int (*)(pthread_t, const char *))fn; -#endif - checked_setname = true; - } - #endif - - // Set the thread attributes - if (pthread_attr_init(&type) != 0) { - return SDL_SetError("Couldn't initialize pthread attributes"); - } - pthread_attr_setdetachstate(&type, PTHREAD_CREATE_JOINABLE); - - // Set caller-requested stack size. Otherwise: use the system default. - if (thread->stacksize) { - pthread_attr_setstacksize(&type, thread->stacksize); - } - - // Create the thread and go! - if (pthread_create(&thread->handle, &type, RunThread, thread) != 0) { - return SDL_SetError("Not enough resources to create thread"); - } - - return true; -} - -void SDL_SYS_SetupThread(const char *name) -{ -#ifdef HAVE_SIGNAL_H - int i; - sigset_t mask; -#endif - - if (name) { -#if (defined(SDL_PLATFORM_MACOS) || defined(SDL_PLATFORM_IOS) || defined(SDL_PLATFORM_LINUX) || defined(SDL_PLATFORM_ANDROID)) && defined(HAVE_DLOPEN) - SDL_assert(checked_setname); - if (ppthread_setname_np) { -#if defined(SDL_PLATFORM_MACOS) || defined(SDL_PLATFORM_IOS) - ppthread_setname_np(name); -#elif defined(SDL_PLATFORM_LINUX) || defined(SDL_PLATFORM_ANDROID) - if (ppthread_setname_np(pthread_self(), name) == ERANGE) { - char namebuf[16]; // Limited to 16 char - SDL_strlcpy(namebuf, name, sizeof(namebuf)); - ppthread_setname_np(pthread_self(), namebuf); - } -#endif - } -#elif defined(HAVE_PTHREAD_SETNAME_NP) -#ifdef SDL_PLATFORM_NETBSD - pthread_setname_np(pthread_self(), "%s", name); -#else - if (pthread_setname_np(pthread_self(), name) == ERANGE) { - char namebuf[16]; // Limited to 16 char - SDL_strlcpy(namebuf, name, sizeof(namebuf)); - pthread_setname_np(pthread_self(), namebuf); - } -#endif -#elif defined(HAVE_PTHREAD_SET_NAME_NP) - pthread_set_name_np(pthread_self(), name); -#elif defined(SDL_PLATFORM_HAIKU) - // The docs say the thread name can't be longer than B_OS_NAME_LENGTH. - char namebuf[B_OS_NAME_LENGTH]; - SDL_strlcpy(namebuf, name, sizeof(namebuf)); - rename_thread(find_thread(NULL), namebuf); -#endif - } - -#ifdef HAVE_SIGNAL_H - // Mask asynchronous signals for this thread - sigemptyset(&mask); - for (i = 0; sig_list[i]; ++i) { - sigaddset(&mask, sig_list[i]); - } - pthread_sigmask(SIG_BLOCK, &mask, 0); -#endif - -#ifdef PTHREAD_CANCEL_ASYNCHRONOUS - // Allow ourselves to be asynchronously cancelled - { - int oldstate; - pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, &oldstate); - } -#endif -} - -SDL_ThreadID SDL_GetCurrentThreadID(void) -{ - return (SDL_ThreadID)pthread_self(); -} - -bool SDL_SYS_SetThreadPriority(SDL_ThreadPriority priority) -{ -#ifdef SDL_PLATFORM_RISCOS - // FIXME: Setting thread priority does not seem to be supported - return true; -#else - struct sched_param sched; - int policy; - int pri_policy; - pthread_t thread = pthread_self(); - const char *policyhint = SDL_GetHint(SDL_HINT_THREAD_PRIORITY_POLICY); - const bool timecritical_realtime_hint = SDL_GetHintBoolean(SDL_HINT_THREAD_FORCE_REALTIME_TIME_CRITICAL, false); - - if (pthread_getschedparam(thread, &policy, &sched) != 0) { - return SDL_SetError("pthread_getschedparam() failed"); - } - - /* Higher priority levels may require changing the pthread scheduler policy - * for the thread. SDL will make such changes by default but there is - * also a hint allowing that behavior to be overridden. */ - switch (priority) { - case SDL_THREAD_PRIORITY_LOW: - case SDL_THREAD_PRIORITY_NORMAL: - pri_policy = SCHED_OTHER; - break; - case SDL_THREAD_PRIORITY_HIGH: - case SDL_THREAD_PRIORITY_TIME_CRITICAL: -#if defined(SDL_PLATFORM_MACOS) || defined(SDL_PLATFORM_IOS) || defined(SDL_PLATFORM_TVOS) - // Apple requires SCHED_RR for high priority threads - pri_policy = SCHED_RR; - break; -#else - pri_policy = SCHED_OTHER; - break; -#endif - default: - pri_policy = policy; - break; - } - - if (timecritical_realtime_hint && priority == SDL_THREAD_PRIORITY_TIME_CRITICAL) { - pri_policy = SCHED_RR; - } - - if (policyhint) { - if (SDL_strcmp(policyhint, "current") == 0) { - // Leave current thread scheduler policy unchanged - } else if (SDL_strcmp(policyhint, "other") == 0) { - policy = SCHED_OTHER; - } else if (SDL_strcmp(policyhint, "rr") == 0) { - policy = SCHED_RR; - } else if (SDL_strcmp(policyhint, "fifo") == 0) { - policy = SCHED_FIFO; - } else { - policy = pri_policy; - } - } else { - policy = pri_policy; - } - -#ifdef SDL_PLATFORM_LINUX - { - pid_t linuxTid = syscall(SYS_gettid); - return SDL_SetLinuxThreadPriorityAndPolicy(linuxTid, priority, policy); - } -#else - if (priority == SDL_THREAD_PRIORITY_LOW) { - sched.sched_priority = sched_get_priority_min(policy); - } else if (priority == SDL_THREAD_PRIORITY_TIME_CRITICAL) { - sched.sched_priority = sched_get_priority_max(policy); - } else { - int min_priority = sched_get_priority_min(policy); - int max_priority = sched_get_priority_max(policy); - -#if defined(SDL_PLATFORM_MACOS) || defined(SDL_PLATFORM_IOS) || defined(SDL_PLATFORM_TVOS) - if (min_priority == 15 && max_priority == 47) { - // Apple has a specific set of thread priorities - if (priority == SDL_THREAD_PRIORITY_HIGH) { - sched.sched_priority = 45; - } else { - sched.sched_priority = 37; - } - } else -#endif // SDL_PLATFORM_MACOS || SDL_PLATFORM_IOS || SDL_PLATFORM_TVOS - { - sched.sched_priority = (min_priority + (max_priority - min_priority) / 2); - if (priority == SDL_THREAD_PRIORITY_HIGH) { - sched.sched_priority += ((max_priority - min_priority) / 4); - } - } - } - if (pthread_setschedparam(thread, policy, &sched) != 0) { - return SDL_SetError("pthread_setschedparam() failed"); - } - return true; -#endif // linux -#endif // #if SDL_PLATFORM_RISCOS -} - -void SDL_SYS_WaitThread(SDL_Thread *thread) -{ - pthread_join(thread->handle, 0); -} - -void SDL_SYS_DetachThread(SDL_Thread *thread) -{ - pthread_detach(thread->handle); -} -- cgit v1.2.3