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util/qemu-thread-*: add qemu_lock, locked and unlock trace events

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Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Alex Bennée 2018-01-11 11:27:16 +03:00 • committed by Paolo Bonzini
parent 15a356c49a
commit 6c27a0ded9
4 changed files with 62 additions and 25 deletions
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21
util/qemu-thread-posix.c
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@ -57,26 +57,28 @@ void qemu_mutex_destroy(QemuMutex *mutex)
error_exit(err, __func__);
}
void qemu_mutex_lock(QemuMutex *mutex)
void qemu_mutex_lock_impl(QemuMutex *mutex, const char *file, const int line)
{
int err;
assert(mutex->initialized);
trace_qemu_mutex_lock(mutex, file, line);
err = pthread_mutex_lock(&mutex->lock);
if (err)
error_exit(err, __func__);
trace_qemu_mutex_locked(mutex);
trace_qemu_mutex_locked(mutex, file, line);
}
int qemu_mutex_trylock(QemuMutex *mutex)
int qemu_mutex_trylock_impl(QemuMutex *mutex, const char *file, const int line)
{
int err;
assert(mutex->initialized);
err = pthread_mutex_trylock(&mutex->lock);
if (err == 0) {
trace_qemu_mutex_locked(mutex);
trace_qemu_mutex_locked(mutex, file, line);
return 0;
}
if (err != EBUSY) {
@ -85,15 +87,16 @@ int qemu_mutex_trylock(QemuMutex *mutex)
return -EBUSY;
}
void qemu_mutex_unlock(QemuMutex *mutex)
void qemu_mutex_unlock_impl(QemuMutex *mutex, const char *file, const int line)
{
int err;
assert(mutex->initialized);
trace_qemu_mutex_unlocked(mutex);
err = pthread_mutex_unlock(&mutex->lock);
if (err)
error_exit(err, __func__);
trace_qemu_mutex_unlock(mutex, file, line);
}
void qemu_rec_mutex_init(QemuRecMutex *mutex)
@ -152,14 +155,14 @@ void qemu_cond_broadcast(QemuCond *cond)
error_exit(err, __func__);
}
void qemu_cond_wait(QemuCond *cond, QemuMutex *mutex)
void qemu_cond_wait_impl(QemuCond *cond, QemuMutex *mutex, const char *file, const int line)
{
int err;
assert(cond->initialized);
trace_qemu_mutex_unlocked(mutex);
trace_qemu_mutex_unlock(mutex, file, line);
err = pthread_cond_wait(&cond->cond, &mutex->lock);
trace_qemu_mutex_locked(mutex);
trace_qemu_mutex_locked(mutex, file, line);
if (err)
error_exit(err, __func__);
}