jazz-led: compile it only twice

[qemu.git] / qemu-thread-posix.c

diff --git a/qemu-thread-posix.c b/qemu-thread-posix.c
index 8b54cc0262d4d7e8c04f2bb4b33c2ad6f9cc8204..9e1b5fbdaa0171e233ef156ac536617510f92274 100644 (file)
--- a/qemu-thread-posix.c
+++ b/qemu-thread-posix.c
@@ -22,7 +22,7 @@
 static void error_exit(int err, const char *msg)
 {
     fprintf(stderr, "qemu: %s: %s\n", msg, strerror(err));
-    exit(1);
+    abort();
 }
 
 void qemu_mutex_init(QemuMutex *mutex)
@@ -61,30 +61,6 @@ int qemu_mutex_trylock(QemuMutex *mutex)
     return pthread_mutex_trylock(&mutex->lock);
 }
 
-static void timespec_add_ms(struct timespec *ts, uint64_t msecs)
-{
-    ts->tv_sec = ts->tv_sec + (long)(msecs / 1000);
-    ts->tv_nsec = (ts->tv_nsec + ((long)msecs % 1000) * 1000000);
-    if (ts->tv_nsec >= 1000000000) {
-        ts->tv_nsec -= 1000000000;
-        ts->tv_sec++;
-    }
-}
-
-int qemu_mutex_timedlock(QemuMutex *mutex, uint64_t msecs)
-{
-    int err;
-    struct timespec ts;
-
-    clock_gettime(CLOCK_REALTIME, &ts);
-    timespec_add_ms(&ts, msecs);
-
-    err = pthread_mutex_timedlock(&mutex->lock, &ts);
-    if (err && err != ETIMEDOUT)
-        error_exit(err, __func__);
-    return err;
-}
-
 void qemu_mutex_unlock(QemuMutex *mutex)
 {
     int err;
@@ -139,45 +115,35 @@ void qemu_cond_wait(QemuCond *cond, QemuMutex *mutex)
         error_exit(err, __func__);
 }
 
-int qemu_cond_timedwait(QemuCond *cond, QemuMutex *mutex, uint64_t msecs)
-{
-    struct timespec ts;
-    int err;
-
-    clock_gettime(CLOCK_REALTIME, &ts);
-    timespec_add_ms(&ts, msecs);
-
-    err = pthread_cond_timedwait(&cond->cond, &mutex->lock, &ts);
-    if (err && err != ETIMEDOUT)
-        error_exit(err, __func__);
-    return err;
-}
-
 void qemu_thread_create(QemuThread *thread,
                        void *(*start_routine)(void*),
-                       void *arg)
+                       void *arg, int mode)
 {
+    sigset_t set, oldset;
     int err;
+    pthread_attr_t attr;
 
-    /* Leave signal handling to the iothread.  */
-    sigset_t set, oldset;
+    err = pthread_attr_init(&attr);
+    if (err) {
+        error_exit(err, __func__);
+    }
+    if (mode == QEMU_THREAD_DETACHED) {
+        err = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
+        if (err) {
+            error_exit(err, __func__);
+        }
+    }
 
+    /* Leave signal handling to the iothread.  */
     sigfillset(&set);
     pthread_sigmask(SIG_SETMASK, &set, &oldset);
-    err = pthread_create(&thread->thread, NULL, start_routine, arg);
+    err = pthread_create(&thread->thread, &attr, start_routine, arg);
     if (err)
         error_exit(err, __func__);
 
     pthread_sigmask(SIG_SETMASK, &oldset, NULL);
-}
-
-void qemu_thread_signal(QemuThread *thread, int sig)
-{
-    int err;
 
-    err = pthread_kill(thread->thread, sig);
-    if (err)
-        error_exit(err, __func__);
+    pthread_attr_destroy(&attr);
 }
 
 void qemu_thread_get_self(QemuThread *thread)
@@ -194,3 +160,15 @@ void qemu_thread_exit(void *retval)
 {
     pthread_exit(retval);
 }
+
+void *qemu_thread_join(QemuThread *thread)
+{
+    int err;
+    void *ret;
+
+    err = pthread_join(thread->thread, &ret);
+    if (err) {
+        error_exit(err, __func__);
+    }
+    return ret;
+}