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Added support for the GNU Pth thread lib (thanks Mandin!)
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/* | ||
SDL - Simple DirectMedia Layer | ||
Copyright (C) 1997, 1998, 1999, 2000, 2001 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@devolution.com | ||
*/ | ||
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#ifdef SAVE_RCSID | ||
static char rcsid = | ||
"@(#) $Id$"; | ||
#endif | ||
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/* Pth thread management routines for SDL */ | ||
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#include "SDL_error.h" | ||
#include "SDL_thread.h" | ||
#include "SDL_systhread.h" | ||
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#include <signal.h> | ||
#include <pth.h> | ||
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/* List of signals to mask in the subthreads */ | ||
static int sig_list[] = { | ||
SIGHUP, SIGINT, SIGQUIT, SIGPIPE, SIGALRM, SIGTERM, SIGCHLD, SIGWINCH, | ||
SIGVTALRM, SIGPROF, 0 | ||
}; | ||
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static void *RunThread(void *data) | ||
{ | ||
SDL_RunThread(data); | ||
pth_exit((void*)0); | ||
return((void *)0); /* Prevent compiler warning */ | ||
} | ||
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int SDL_SYS_CreateThread(SDL_Thread *thread, void *args) | ||
{ | ||
pth_attr_t type; | ||
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/* Set the thread attributes */ | ||
if ( pth_attr_init(&type) != 0 ) { | ||
SDL_SetError("Couldn't initialize pth attributes"); | ||
return(-1); | ||
} | ||
pth_attr_set(&type, PTH_ATTR_JOINABLE, TRUE); | ||
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/* Create the thread and go! */ | ||
if ( pth_spawn( &type, RunThread, args) != 0 ) { | ||
SDL_SetError("Not enough resources to create thread"); | ||
return(-1); | ||
} | ||
return(0); | ||
} | ||
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void SDL_SYS_SetupThread(void) | ||
{ | ||
int i; | ||
sigset_t mask; | ||
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/* 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); | ||
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/* Allow ourselves to be asynchronously cancelled */ | ||
{ int oldstate; | ||
pth_cancel_state(PTH_CANCEL_ASYNCHRONOUS, &oldstate); | ||
} | ||
} | ||
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/* WARNING: This may not work for systems with 64-bit pid_t */ | ||
Uint32 SDL_ThreadID(void) | ||
{ | ||
return((Uint32)pth_self()); | ||
} | ||
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void SDL_SYS_WaitThread(SDL_Thread *thread) | ||
{ | ||
pth_join(thread->handle, 0); | ||
} | ||
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void SDL_SYS_KillThread(SDL_Thread *thread) | ||
{ | ||
pth_cancel(thread->handle); | ||
pth_join(thread->handle, NULL); | ||
} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,25 @@ | ||
/* | ||
SDL - Simple DirectMedia Layer | ||
Copyright (C) 1997, 1998, 1999, 2000, 2001 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@devolution.com | ||
*/ | ||
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#include <pth.h> | ||
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typedef pth_t SYS_ThreadHandle; |