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-rw-r--r--distrib/sdl-1.2.15/src/thread/pthread/SDL_systhread.c120
1 files changed, 120 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.15/src/thread/pthread/SDL_systhread.c b/distrib/sdl-1.2.15/src/thread/pthread/SDL_systhread.c
new file mode 100644
index 0000000..40cc3b7
--- /dev/null
+++ b/distrib/sdl-1.2.15/src/thread/pthread/SDL_systhread.c
@@ -0,0 +1,120 @@
+/*
+ SDL - Simple DirectMedia Layer
+ Copyright (C) 1997-2012 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"
+
+#include <pthread.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
+};
+
+#ifdef __RISCOS__
+/* RISC OS needs to know the main thread for
+ * it's timer and event processing. */
+int riscos_using_threads = 0;
+Uint32 riscos_main_thread = 0; /* Thread running events */
+#endif
+
+
+static void *RunThread(void *data)
+{
+ SDL_RunThread(data);
+ pthread_exit((void*)0);
+ return((void *)0); /* Prevent compiler warning */
+}
+
+int SDL_SYS_CreateThread(SDL_Thread *thread, void *args)
+{
+ pthread_attr_t type;
+
+ /* Set the thread attributes */
+ if ( pthread_attr_init(&type) != 0 ) {
+ SDL_SetError("Couldn't initialize pthread attributes");
+ return(-1);
+ }
+ pthread_attr_setdetachstate(&type, PTHREAD_CREATE_JOINABLE);
+
+ /* Create the thread and go! */
+ if ( pthread_create(&thread->handle, &type, RunThread, args) != 0 ) {
+ SDL_SetError("Not enough resources to create thread");
+ return(-1);
+ }
+
+#ifdef __RISCOS__
+ if (riscos_using_threads == 0) {
+ riscos_using_threads = 1;
+ riscos_main_thread = SDL_ThreadID();
+ }
+#endif
+
+ return(0);
+}
+
+void SDL_SYS_SetupThread(void)
+{
+ int i;
+ sigset_t mask;
+
+ /* 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);
+
+#ifdef PTHREAD_CANCEL_ASYNCHRONOUS
+ /* Allow ourselves to be asynchronously cancelled */
+ { int oldstate;
+ pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, &oldstate);
+ }
+#endif
+}
+
+/* WARNING: This may not work for systems with 64-bit pid_t */
+Uint32 SDL_ThreadID(void)
+{
+ return((Uint32)((size_t)pthread_self()));
+}
+
+void SDL_SYS_WaitThread(SDL_Thread *thread)
+{
+ pthread_join(thread->handle, 0);
+}
+
+void SDL_SYS_KillThread(SDL_Thread *thread)
+{
+#ifdef PTHREAD_CANCEL_ASYNCHRONOUS
+ pthread_cancel(thread->handle);
+#else
+#ifdef __FREEBSD__
+#warning For some reason, this doesnt actually kill a thread - FreeBSD 3.2
+#endif
+ pthread_kill(thread->handle, SIGKILL);
+#endif
+}