Also wrap yield functionality so that it can be platform independent.

git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1353 fefdeb5f-60dc-0310-8127-8f9354f1896f

src/pulsecore/thread-posix.c

@@ -25,6 +25,7 @@
 
 #include <assert.h>
 #include <pthread.h>
+#include <sched.h>
 
 #include <atomic_ops.h>
 
@@ -116,6 +117,14 @@ pa_thread* pa_thread_self(void) {
     return pa_tls_get(thread_tls);
 }
 
+void pa_thread_yield(void) {
+#ifdef HAVE_PTHREAD_YIELD
+    pthread_yield();
+#else
+    sched_yield();
+#endif
+}
+
 pa_tls* pa_tls_new(pa_free_cb_t free_cb) {
     pa_tls *t;
 

src/pulsecore/thread.h

@@ -33,6 +33,7 @@ void pa_thread_free(pa_thread *t);
 int pa_thread_join(pa_thread *t);
 int pa_thread_is_running(pa_thread *t);
 pa_thread *pa_thread_self(void);
+void pa_thread_yield(void);
 
 typedef struct pa_tls pa_tls;
 

src/tests/thread-test.c

@@ -23,8 +23,6 @@
 #include <config.h>
 #endif
 
-#include <sched.h>
-
 #include <pulsecore/thread.h>
 #include <pulsecore/mutex.h>
 #include <pulsecore/log.h>
@@ -73,7 +71,7 @@ static void thread_func(void *data) {
         
         /* Spin! */
         for (n = 0; n < k; n++)
-            sched_yield();
+            pa_thread_yield();
         
         pa_mutex_lock(mutex);
     }