Commit 313b1d69 authored by Corentin Chary's avatar Corentin Chary Committed by Anthony Liguori
Browse files

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: default avatarCorentin Chary <corentincj@iksaif.net>
Signed-off-by: default avatarAnthony Liguori <aliguori@us.ibm.com>
parent b5469b11

qemu-thread.c

+22 −0
Original line number Diff line number Diff line
@@ -34,6 +34,15 @@ void qemu_mutex_init(QemuMutex *mutex) 
        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)

{

    int err;
@@ -90,6 +99,15 @@ void qemu_cond_init(QemuCond *cond) 
        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)

{

    int err;
@@ -168,3 +186,7 @@ int qemu_thread_equal(QemuThread *thread1, QemuThread *thread2) 
   return pthread_equal(thread1->thread, thread2->thread);

}



void qemu_thread_exit(void *retval)

{

    pthread_exit(retval);

}

qemu-thread.h

+4 −0
Original line number Diff line number Diff line
@@ -20,12 +20,14 @@ typedef struct QemuCond QemuCond; 
typedef struct QemuThread QemuThread;



void qemu_mutex_init(QemuMutex *mutex);

void qemu_mutex_destroy(QemuMutex *mutex);

void qemu_mutex_lock(QemuMutex *mutex);

int qemu_mutex_trylock(QemuMutex *mutex);

int qemu_mutex_timedlock(QemuMutex *mutex, uint64_t msecs);

void qemu_mutex_unlock(QemuMutex *mutex);



void qemu_cond_init(QemuCond *cond);

void qemu_cond_destroy(QemuCond *cond);

void qemu_cond_signal(QemuCond *cond);

void qemu_cond_broadcast(QemuCond *cond);

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_self(QemuThread *thread);

int qemu_thread_equal(QemuThread *thread1, QemuThread *thread2);

void qemu_thread_exit(void *retval);



#endif