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qemu-thread: add qemu_mutex/cond_destroy and qemu_mutex_exit 

Add some missing functions in qemu-thread. Currently qemu-thread
is only used for io-thread but it will used by the vnc server soon
and we need those functions instead of calling pthread directly.

Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Corentin Chary 2010-07-07 20:58:01 +02:00 committed by Anthony Liguori
parent b5469b1104
commit 313b1d697d
2 changed files with 26 additions and 0 deletions
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22
qemu-thread.c
View File

@ -34,6 +34,15 @@ void qemu_mutex_init(QemuMutex *mutex)
error_exit(err, __func__); error_exit(err, __func__);
} }
void qemu_mutex_destroy(QemuMutex *mutex)
{
int err;
err = pthread_mutex_destroy(&mutex->lock);
if (err)
error_exit(err, __func__);
}
void qemu_mutex_lock(QemuMutex *mutex) void qemu_mutex_lock(QemuMutex *mutex)
{ {
int err; int err;
@ -90,6 +99,15 @@ void qemu_cond_init(QemuCond *cond)
error_exit(err, __func__); error_exit(err, __func__);
} }
void qemu_cond_destroy(QemuCond *cond)
{
int err;
err = pthread_cond_destroy(&cond->cond);
if (err)
error_exit(err, __func__);
}
void qemu_cond_signal(QemuCond *cond) void qemu_cond_signal(QemuCond *cond)
{ {
int err; int err;
@ -168,3 +186,7 @@ int qemu_thread_equal(QemuThread *thread1, QemuThread *thread2)
return pthread_equal(thread1->thread, thread2->thread); return pthread_equal(thread1->thread, thread2->thread);
} }
void qemu_thread_exit(void *retval)
{
pthread_exit(retval);
}

4
qemu-thread.h
View File

@ -20,12 +20,14 @@ typedef struct QemuCond QemuCond;
typedef struct QemuThread QemuThread; typedef struct QemuThread QemuThread;
void qemu_mutex_init(QemuMutex *mutex); void qemu_mutex_init(QemuMutex *mutex);
void qemu_mutex_destroy(QemuMutex *mutex);
void qemu_mutex_lock(QemuMutex *mutex); void qemu_mutex_lock(QemuMutex *mutex);
int qemu_mutex_trylock(QemuMutex *mutex); int qemu_mutex_trylock(QemuMutex *mutex);
int qemu_mutex_timedlock(QemuMutex *mutex, uint64_t msecs); int qemu_mutex_timedlock(QemuMutex *mutex, uint64_t msecs);
void qemu_mutex_unlock(QemuMutex *mutex); void qemu_mutex_unlock(QemuMutex *mutex);
void qemu_cond_init(QemuCond *cond); void qemu_cond_init(QemuCond *cond);
void qemu_cond_destroy(QemuCond *cond);
void qemu_cond_signal(QemuCond *cond); void qemu_cond_signal(QemuCond *cond);
void qemu_cond_broadcast(QemuCond *cond); void qemu_cond_broadcast(QemuCond *cond);
void qemu_cond_wait(QemuCond *cond, QemuMutex *mutex); void qemu_cond_wait(QemuCond *cond, QemuMutex *mutex);
@ -37,4 +39,6 @@ void qemu_thread_create(QemuThread *thread,
void qemu_thread_signal(QemuThread *thread, int sig); void qemu_thread_signal(QemuThread *thread, int sig);
void qemu_thread_self(QemuThread *thread); void qemu_thread_self(QemuThread *thread);
int qemu_thread_equal(QemuThread *thread1, QemuThread *thread2); int qemu_thread_equal(QemuThread *thread1, QemuThread *thread2);
void qemu_thread_exit(void *retval);
#endif #endif