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Disable semaphores fallback code for OpenBSD 

Disable the semaphores fallback code for OpenBSD as modern OpenBSD
releases now have sem_timedwait().

Signed-off-by: Brad Smith <brad@comstyle.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Brad Smith 2012-12-28 01:38:11 -05:00 committed by Blue Swirl
parent 62054c06d4
commit 927fa909d5
2 changed files with 6 additions and 6 deletions
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2
include/qemu/thread-posix.h
View File

@ -12,7 +12,7 @@ struct QemuCond {
}; };
struct QemuSemaphore { struct QemuSemaphore {
#if defined(__OpenBSD__) || defined(__APPLE__) || defined(__NetBSD__) #if defined(__APPLE__) || defined(__NetBSD__)
pthread_mutex_t lock; pthread_mutex_t lock;
pthread_cond_t cond; pthread_cond_t cond;
int count; int count;

10
qemu-thread-posix.c
View File

@ -122,7 +122,7 @@ void qemu_sem_init(QemuSemaphore *sem, int init)
{ {
int rc; int rc;
#if defined(__OpenBSD__) || defined(__APPLE__) || defined(__NetBSD__) #if defined(__APPLE__) || defined(__NetBSD__)
rc = pthread_mutex_init(&sem->lock, NULL); rc = pthread_mutex_init(&sem->lock, NULL);
if (rc != 0) { if (rc != 0) {
error_exit(rc, __func__); error_exit(rc, __func__);
@ -147,7 +147,7 @@ void qemu_sem_destroy(QemuSemaphore *sem)
{ {
int rc; int rc;
#if defined(__OpenBSD__) || defined(__APPLE__) || defined(__NetBSD__) #if defined(__APPLE__) || defined(__NetBSD__)
rc = pthread_cond_destroy(&sem->cond); rc = pthread_cond_destroy(&sem->cond);
if (rc < 0) { if (rc < 0) {
error_exit(rc, __func__); error_exit(rc, __func__);
@ -168,7 +168,7 @@ void qemu_sem_post(QemuSemaphore *sem)
{ {
int rc; int rc;
#if defined(__OpenBSD__) || defined(__APPLE__) || defined(__NetBSD__) #if defined(__APPLE__) || defined(__NetBSD__)
pthread_mutex_lock(&sem->lock); pthread_mutex_lock(&sem->lock);
if (sem->count == INT_MAX) { if (sem->count == INT_MAX) {
rc = EINVAL; rc = EINVAL;
@ -206,7 +206,7 @@ int qemu_sem_timedwait(QemuSemaphore *sem, int ms)
int rc; int rc;
struct timespec ts; struct timespec ts;
#if defined(__OpenBSD__) || defined(__APPLE__) || defined(__NetBSD__) #if defined(__APPLE__) || defined(__NetBSD__)
compute_abs_deadline(&ts, ms); compute_abs_deadline(&ts, ms);
pthread_mutex_lock(&sem->lock); pthread_mutex_lock(&sem->lock);
--sem->count; --sem->count;
@ -248,7 +248,7 @@ int qemu_sem_timedwait(QemuSemaphore *sem, int ms)
void qemu_sem_wait(QemuSemaphore *sem) void qemu_sem_wait(QemuSemaphore *sem)
{ {
#if defined(__OpenBSD__) || defined(__APPLE__) || defined(__NetBSD__) #if defined(__APPLE__) || defined(__NetBSD__)
pthread_mutex_lock(&sem->lock); pthread_mutex_lock(&sem->lock);
--sem->count; --sem->count;
while (sem->count < 0) { while (sem->count < 0) {