diff options
Diffstat (limited to 'distrib/sdl-1.2.12/src/thread/pth')
| -rw-r--r-- | distrib/sdl-1.2.12/src/thread/pth/SDL_syscond.c | 164 | ||||
| -rw-r--r-- | distrib/sdl-1.2.12/src/thread/pth/SDL_sysmutex.c | 87 | ||||
| -rw-r--r-- | distrib/sdl-1.2.12/src/thread/pth/SDL_sysmutex_c.h | 31 | ||||
| -rw-r--r-- | distrib/sdl-1.2.12/src/thread/pth/SDL_systhread.c | 103 | ||||
| -rw-r--r-- | distrib/sdl-1.2.12/src/thread/pth/SDL_systhread_c.h | 31 |
5 files changed, 0 insertions, 416 deletions
diff --git a/distrib/sdl-1.2.12/src/thread/pth/SDL_syscond.c b/distrib/sdl-1.2.12/src/thread/pth/SDL_syscond.c deleted file mode 100644 index 715aff1..0000000 --- a/distrib/sdl-1.2.12/src/thread/pth/SDL_syscond.c +++ /dev/null @@ -1,164 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2006 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -/* - * GNU pth conditions variables - * - * Patrice Mandin - */ - -#include <pth.h> - -#include "SDL_thread.h" -#include "SDL_sysmutex_c.h" - -struct SDL_cond -{ - pth_cond_t condpth_p; -}; - -/* Create a condition variable */ -SDL_cond * SDL_CreateCond(void) -{ - SDL_cond *cond; - - cond = (SDL_cond *) SDL_malloc(sizeof(SDL_cond)); - if ( cond ) { - if ( pth_cond_init(&(cond->condpth_p)) < 0 ) { - SDL_SetError("pthread_cond_init() failed"); - SDL_free(cond); - cond = NULL; - } - } else { - SDL_OutOfMemory(); - } - return(cond); -} - -/* Destroy a condition variable */ -void SDL_DestroyCond(SDL_cond *cond) -{ - if ( cond ) { - SDL_free(cond); - } -} - -/* Restart one of the threads that are waiting on the condition variable */ -int SDL_CondSignal(SDL_cond *cond) -{ - int retval; - - if ( ! cond ) { - SDL_SetError("Passed a NULL condition variable"); - return -1; - } - - retval = 0; - if ( pth_cond_notify(&(cond->condpth_p), FALSE) != 0 ) { - SDL_SetError("pth_cond_notify() failed"); - retval = -1; - } - return retval; -} - -/* Restart all threads that are waiting on the condition variable */ -int SDL_CondBroadcast(SDL_cond *cond) -{ - int retval; - - if ( ! cond ) { - SDL_SetError("Passed a NULL condition variable"); - return -1; - } - - retval = 0; - if ( pth_cond_notify(&(cond->condpth_p), TRUE) != 0 ) { - SDL_SetError("pth_cond_notify() failed"); - retval = -1; - } - return retval; -} - -/* Wait on the condition variable for at most 'ms' milliseconds. - The mutex must be locked before entering this function! - The mutex is unlocked during the wait, and locked again after the wait. - -Typical use: - -Thread A: - SDL_LockMutex(lock); - while ( ! condition ) { - SDL_CondWait(cond); - } - SDL_UnlockMutex(lock); - -Thread B: - SDL_LockMutex(lock); - ... - condition = true; - ... - SDL_UnlockMutex(lock); - */ -int SDL_CondWaitTimeout(SDL_cond *cond, SDL_mutex *mutex, Uint32 ms) -{ - int retval; - pth_event_t ev; - int sec; - - if ( ! cond ) { - SDL_SetError("Passed a NULL condition variable"); - return -1; - } - - retval = 0; - - sec = ms/1000; - ev = pth_event(PTH_EVENT_TIME, pth_timeout(sec,(ms-sec*1000)*1000)); - - if ( pth_cond_await(&(cond->condpth_p), &(mutex->mutexpth_p), ev) != 0 ) { - SDL_SetError("pth_cond_await() failed"); - retval = -1; - } - - pth_event_free(ev, PTH_FREE_ALL); - - return retval; -} - -/* Wait on the condition variable forever */ -int SDL_CondWait(SDL_cond *cond, SDL_mutex *mutex) -{ - int retval; - - if ( ! cond ) { - SDL_SetError("Passed a NULL condition variable"); - return -1; - } - - retval = 0; - if ( pth_cond_await(&(cond->condpth_p), &(mutex->mutexpth_p), NULL) != 0 ) { - SDL_SetError("pth_cond_await() failed"); - retval = -1; - } - return retval; -} diff --git a/distrib/sdl-1.2.12/src/thread/pth/SDL_sysmutex.c b/distrib/sdl-1.2.12/src/thread/pth/SDL_sysmutex.c deleted file mode 100644 index 9d5b197..0000000 --- a/distrib/sdl-1.2.12/src/thread/pth/SDL_sysmutex.c +++ /dev/null @@ -1,87 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2006 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -/* - * GNU pth mutexes - * - * Patrice Mandin - */ - -#include <pth.h> - -#include "SDL_mutex.h" -#include "SDL_sysmutex_c.h" - -/* Create a mutex */ -SDL_mutex *SDL_CreateMutex(void) -{ - SDL_mutex *mutex; - - /* Allocate mutex memory */ - mutex = (SDL_mutex *)SDL_malloc(sizeof(*mutex)); - if ( mutex ) { - /* Create the mutex, with initial value signaled */ - if (!pth_mutex_init(&(mutex->mutexpth_p))) { - SDL_SetError("Couldn't create mutex"); - SDL_free(mutex); - mutex = NULL; - } - } else { - SDL_OutOfMemory(); - } - return(mutex); -} - -/* Free the mutex */ -void SDL_DestroyMutex(SDL_mutex *mutex) -{ - if ( mutex ) { - SDL_free(mutex); - } -} - -/* Lock the mutex */ -int SDL_mutexP(SDL_mutex *mutex) -{ - if ( mutex == NULL ) { - SDL_SetError("Passed a NULL mutex"); - return -1; - } - - pth_mutex_acquire(&(mutex->mutexpth_p), FALSE, NULL); - - return(0); -} - -/* Unlock the mutex */ -int SDL_mutexV(SDL_mutex *mutex) -{ - if ( mutex == NULL ) { - SDL_SetError("Passed a NULL mutex"); - return -1; - } - - pth_mutex_release(&(mutex->mutexpth_p)); - - return(0); -} diff --git a/distrib/sdl-1.2.12/src/thread/pth/SDL_sysmutex_c.h b/distrib/sdl-1.2.12/src/thread/pth/SDL_sysmutex_c.h deleted file mode 100644 index e0e9ef5..0000000 --- a/distrib/sdl-1.2.12/src/thread/pth/SDL_sysmutex_c.h +++ /dev/null @@ -1,31 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2006 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -#ifndef _SDL_SYSMUTEX_C_H_ -#define _SDL_SYSMUTEX_C_H_ - -struct SDL_mutex { - pth_mutex_t mutexpth_p; -}; - -#endif /* _SDL_SYSMUTEX_C_H_ */ diff --git a/distrib/sdl-1.2.12/src/thread/pth/SDL_systhread.c b/distrib/sdl-1.2.12/src/thread/pth/SDL_systhread.c deleted file mode 100644 index 284003a..0000000 --- a/distrib/sdl-1.2.12/src/thread/pth/SDL_systhread.c +++ /dev/null @@ -1,103 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2006 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -/* - * GNU pth threads - * - * Patrice Mandin - */ - -#include <pth.h> -#include <signal.h> - -#include "SDL_thread.h" -#include "../SDL_thread_c.h" -#include "../SDL_systhread.h" - -/* List of signals to mask in the subthreads */ -static int sig_list[] = { - SIGHUP, SIGINT, SIGQUIT, SIGPIPE, SIGALRM, SIGTERM, SIGCHLD, SIGWINCH, - SIGVTALRM, SIGPROF, 0 -}; - -static void *RunThread(void *data) -{ - SDL_RunThread(data); - pth_exit((void*)0); - return((void *)0); /* Prevent compiler warning */ -} - -int SDL_SYS_CreateThread(SDL_Thread *thread, void *args) -{ - pth_attr_t type; - - /* Create a new attribute */ - type = pth_attr_new(); - if ( type == NULL ) { - SDL_SetError("Couldn't initialize pth attributes"); - return(-1); - } - pth_attr_set(type, PTH_ATTR_JOINABLE, TRUE); - - /* Create the thread and go! */ - thread->handle = pth_spawn(type, RunThread, args); - if ( thread->handle == NULL ) { - SDL_SetError("Not enough resources to create thread"); - return(-1); - } - return(0); -} - -void SDL_SYS_SetupThread(void) -{ - int i; - sigset_t mask; - int oldstate; - - /* Mask asynchronous signals for this thread */ - sigemptyset(&mask); - for ( i=0; sig_list[i]; ++i ) { - sigaddset(&mask, sig_list[i]); - } - pth_sigmask(SIG_BLOCK, &mask, 0); - - /* Allow ourselves to be asynchronously cancelled */ - pth_cancel_state(PTH_CANCEL_ASYNCHRONOUS, &oldstate); -} - -/* WARNING: This may not work for systems with 64-bit pid_t */ -Uint32 SDL_ThreadID(void) -{ - return((Uint32)pth_self()); -} - -void SDL_SYS_WaitThread(SDL_Thread *thread) -{ - pth_join(thread->handle, NULL); -} - -void SDL_SYS_KillThread(SDL_Thread *thread) -{ - pth_cancel(thread->handle); - pth_join(thread->handle, NULL); -} diff --git a/distrib/sdl-1.2.12/src/thread/pth/SDL_systhread_c.h b/distrib/sdl-1.2.12/src/thread/pth/SDL_systhread_c.h deleted file mode 100644 index 791eb1b..0000000 --- a/distrib/sdl-1.2.12/src/thread/pth/SDL_systhread_c.h +++ /dev/null @@ -1,31 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2004 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public - License as published by the Free Software Foundation; either - version 2 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with this library; if not, write to the Free - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -#ifndef _SDL_SYSTHREAD_C_H_ -#define _SDL_SYSTHREAD_C_H_ - -#include <pth.h> - -typedef pth_t SYS_ThreadHandle; - -#endif /* _SDL_SYSTHREAD_C_H_ */ |