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-rw-r--r--distrib/sdl-1.2.15/src/thread/beos/SDL_syssem.c142
-rw-r--r--distrib/sdl-1.2.15/src/thread/beos/SDL_systhread.c96
-rw-r--r--distrib/sdl-1.2.15/src/thread/beos/SDL_systhread_c.h31
3 files changed, 269 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.15/src/thread/beos/SDL_syssem.c b/distrib/sdl-1.2.15/src/thread/beos/SDL_syssem.c
new file mode 100644
index 0000000..eba1944
--- /dev/null
+++ b/distrib/sdl-1.2.15/src/thread/beos/SDL_syssem.c
@@ -0,0 +1,142 @@
+/*
+ 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"
+
+/* Semaphores in the BeOS environment */
+
+#include <be/kernel/OS.h>
+
+#include "SDL_thread.h"
+
+
+struct SDL_semaphore {
+ sem_id id;
+};
+
+/* Create a counting semaphore */
+SDL_sem *SDL_CreateSemaphore(Uint32 initial_value)
+{
+ SDL_sem *sem;
+
+ sem = (SDL_sem *)SDL_malloc(sizeof(*sem));
+ if ( sem ) {
+ sem->id = create_sem(initial_value, "SDL semaphore");
+ if ( sem->id < B_NO_ERROR ) {
+ SDL_SetError("create_sem() failed");
+ SDL_free(sem);
+ sem = NULL;
+ }
+ } else {
+ SDL_OutOfMemory();
+ }
+ return(sem);
+}
+
+/* Free the semaphore */
+void SDL_DestroySemaphore(SDL_sem *sem)
+{
+ if ( sem ) {
+ if ( sem->id >= B_NO_ERROR ) {
+ delete_sem(sem->id);
+ }
+ SDL_free(sem);
+ }
+}
+
+int SDL_SemWaitTimeout(SDL_sem *sem, Uint32 timeout)
+{
+ int32 val;
+ int retval;
+
+ if ( ! sem ) {
+ SDL_SetError("Passed a NULL semaphore");
+ return -1;
+ }
+
+ tryagain:
+ if ( timeout == SDL_MUTEX_MAXWAIT ) {
+ val = acquire_sem(sem->id);
+ } else {
+ timeout *= 1000; /* BeOS uses a timeout in microseconds */
+ val = acquire_sem_etc(sem->id, 1, B_RELATIVE_TIMEOUT, timeout);
+ }
+ switch (val) {
+ case B_INTERRUPTED:
+ goto tryagain;
+ case B_NO_ERROR:
+ retval = 0;
+ break;
+ case B_TIMED_OUT:
+ retval = SDL_MUTEX_TIMEDOUT;
+ break;
+ case B_WOULD_BLOCK:
+ retval = SDL_MUTEX_TIMEDOUT;
+ break;
+ default:
+ SDL_SetError("acquire_sem() failed");
+ retval = -1;
+ break;
+ }
+
+ return retval;
+}
+
+int SDL_SemTryWait(SDL_sem *sem)
+{
+ return SDL_SemWaitTimeout(sem, 0);
+}
+
+int SDL_SemWait(SDL_sem *sem)
+{
+ return SDL_SemWaitTimeout(sem, SDL_MUTEX_MAXWAIT);
+}
+
+/* Returns the current count of the semaphore */
+Uint32 SDL_SemValue(SDL_sem *sem)
+{
+ int32 count;
+ Uint32 value;
+
+ value = 0;
+ if ( sem ) {
+ get_sem_count(sem->id, &count);
+ if ( count > 0 ) {
+ value = (Uint32)count;
+ }
+ }
+ return value;
+}
+
+/* Atomically increases the semaphore's count (not blocking) */
+int SDL_SemPost(SDL_sem *sem)
+{
+ if ( ! sem ) {
+ SDL_SetError("Passed a NULL semaphore");
+ return -1;
+ }
+
+ if ( release_sem(sem->id) != B_NO_ERROR ) {
+ SDL_SetError("release_sem() failed");
+ return -1;
+ }
+ return 0;
+}
diff --git a/distrib/sdl-1.2.15/src/thread/beos/SDL_systhread.c b/distrib/sdl-1.2.15/src/thread/beos/SDL_systhread.c
new file mode 100644
index 0000000..63b5207
--- /dev/null
+++ b/distrib/sdl-1.2.15/src/thread/beos/SDL_systhread.c
@@ -0,0 +1,96 @@
+/*
+ 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"
+
+/* BeOS thread management routines for SDL */
+
+#include <stdio.h>
+#include <signal.h>
+#include <be/kernel/OS.h>
+
+#include "SDL_mutex.h"
+#include "SDL_thread.h"
+#include "../SDL_thread_c.h"
+#include "../SDL_systhread.h"
+
+
+static int sig_list[] = {
+ SIGHUP, SIGINT, SIGQUIT, SIGPIPE, SIGALRM, SIGTERM, SIGWINCH, 0
+};
+
+void SDL_MaskSignals(sigset_t *omask)
+{
+ sigset_t mask;
+ int i;
+
+ sigemptyset(&mask);
+ for ( i=0; sig_list[i]; ++i ) {
+ sigaddset(&mask, sig_list[i]);
+ }
+ sigprocmask(SIG_BLOCK, &mask, omask);
+}
+void SDL_UnmaskSignals(sigset_t *omask)
+{
+ sigprocmask(SIG_SETMASK, omask, NULL);
+}
+
+static int32 RunThread(void *data)
+{
+ SDL_RunThread(data);
+ return(0);
+}
+
+int SDL_SYS_CreateThread(SDL_Thread *thread, void *args)
+{
+ /* Create the thread and go! */
+ thread->handle=spawn_thread(RunThread, "SDL", B_NORMAL_PRIORITY, args);
+ if ( (thread->handle == B_NO_MORE_THREADS) ||
+ (thread->handle == B_NO_MEMORY) ) {
+ SDL_SetError("Not enough resources to create thread");
+ return(-1);
+ }
+ resume_thread(thread->handle);
+ return(0);
+}
+
+void SDL_SYS_SetupThread(void)
+{
+ /* Mask asynchronous signals for this thread */
+ SDL_MaskSignals(NULL);
+}
+
+Uint32 SDL_ThreadID(void)
+{
+ return((Uint32)find_thread(NULL));
+}
+
+void SDL_SYS_WaitThread(SDL_Thread *thread)
+{
+ status_t the_status;
+
+ wait_for_thread(thread->handle, &the_status);
+}
+
+void SDL_SYS_KillThread(SDL_Thread *thread)
+{
+ kill_thread(thread->handle);
+}
diff --git a/distrib/sdl-1.2.15/src/thread/beos/SDL_systhread_c.h b/distrib/sdl-1.2.15/src/thread/beos/SDL_systhread_c.h
new file mode 100644
index 0000000..f82548e
--- /dev/null
+++ b/distrib/sdl-1.2.15/src/thread/beos/SDL_systhread_c.h
@@ -0,0 +1,31 @@
+/*
+ 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 <signal.h>
+#include <be/kernel/OS.h>
+
+typedef thread_id SYS_ThreadHandle;
+
+/* Functions needed to work with system threads in other portions of SDL */
+extern void SDL_MaskSignals(sigset_t *omask);
+extern void SDL_UnmaskSignals(sigset_t *omask);
generated by cgit v1.1 at 2024-12-22 17:50:12 +0000