qemu-timer: Introduce clock reset notifier

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

diff --git a/qemu-thread-posix.c b/qemu-thread-posix.c
index e3077733fca6f28b59c8e44e26d0ddf7aa4edb60..2bd02efeff36bc3ed0143f6d1012c3ddf77fec8d 100644 (file)
--- a/qemu-thread-posix.c
+++ b/qemu-thread-posix.c
@@ -28,8 +28,12 @@ static void error_exit(int err, const char *msg)
 void qemu_mutex_init(QemuMutex *mutex)
 {
     int err;
+    pthread_mutexattr_t mutexattr;
 
-    err = pthread_mutex_init(&mutex->lock, NULL);
+    pthread_mutexattr_init(&mutexattr);
+    pthread_mutexattr_settype(&mutexattr, PTHREAD_MUTEX_ERRORCHECK);
+    err = pthread_mutex_init(&mutex->lock, &mutexattr);
+    pthread_mutexattr_destroy(&mutexattr);
     if (err)
         error_exit(err, __func__);
 }
@@ -57,30 +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;
@@ -135,20 +115,6 @@ 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)
@@ -167,15 +133,6 @@ void qemu_thread_create(QemuThread *thread,
     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__);
-}
-
 void qemu_thread_get_self(QemuThread *thread)
 {
     thread->thread = pthread_self();