diff options
| -rw-r--r-- | include/qemu/thread-posix.h | 4 | ||||
| -rw-r--r-- | meson.build | 1 | ||||
| -rw-r--r-- | util/qemu-thread-posix.c | 54 |
3 files changed, 0 insertions, 59 deletions
diff --git a/include/qemu/thread-posix.h b/include/qemu/thread-posix.h index b792e6e..5466608 100644 --- a/include/qemu/thread-posix.h +++ b/include/qemu/thread-posix.h @@ -27,13 +27,9 @@ struct QemuCond { }; struct QemuSemaphore { -#ifndef CONFIG_SEM_TIMEDWAIT pthread_mutex_t lock; pthread_cond_t cond; unsigned int count; -#else - sem_t sem; -#endif bool initialized; }; diff --git a/meson.build b/meson.build index 5a207ed..526e9dc 100644 --- a/meson.build +++ b/meson.build @@ -1632,7 +1632,6 @@ config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign')) config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll')) config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>')) config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np')) -config_host_data.set('CONFIG_SEM_TIMEDWAIT', cc.has_function('sem_timedwait', dependencies: threads)) config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile')) config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare')) config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs')) diff --git a/util/qemu-thread-posix.c b/util/qemu-thread-posix.c index e1225b6..1ad2503 100644 --- a/util/qemu-thread-posix.c +++ b/util/qemu-thread-posix.c @@ -219,7 +219,6 @@ void qemu_sem_init(QemuSemaphore *sem, int init) { int rc; -#ifndef CONFIG_SEM_TIMEDWAIT rc = pthread_mutex_init(&sem->lock, NULL); if (rc != 0) { error_exit(rc, __func__); @@ -232,12 +231,6 @@ void qemu_sem_init(QemuSemaphore *sem, int init) error_exit(EINVAL, __func__); } sem->count = init; -#else - rc = sem_init(&sem->sem, 0, init); - if (rc < 0) { - error_exit(errno, __func__); - } -#endif sem->initialized = true; } @@ -247,7 +240,6 @@ void qemu_sem_destroy(QemuSemaphore *sem) assert(sem->initialized); sem->initialized = false; -#ifndef CONFIG_SEM_TIMEDWAIT rc = pthread_cond_destroy(&sem->cond); if (rc < 0) { error_exit(rc, __func__); @@ -256,12 +248,6 @@ void qemu_sem_destroy(QemuSemaphore *sem) if (rc < 0) { error_exit(rc, __func__); } -#else - rc = sem_destroy(&sem->sem); - if (rc < 0) { - error_exit(errno, __func__); - } -#endif } void qemu_sem_post(QemuSemaphore *sem) @@ -269,7 +255,6 @@ void qemu_sem_post(QemuSemaphore *sem) int rc; assert(sem->initialized); -#ifndef CONFIG_SEM_TIMEDWAIT pthread_mutex_lock(&sem->lock); if (sem->count == UINT_MAX) { rc = EINVAL; @@ -281,12 +266,6 @@ void qemu_sem_post(QemuSemaphore *sem) if (rc != 0) { error_exit(rc, __func__); } -#else - rc = sem_post(&sem->sem); - if (rc < 0) { - error_exit(errno, __func__); - } -#endif } int qemu_sem_timedwait(QemuSemaphore *sem, int ms) @@ -295,7 +274,6 @@ int qemu_sem_timedwait(QemuSemaphore *sem, int ms) struct timespec ts; assert(sem->initialized); -#ifndef CONFIG_SEM_TIMEDWAIT rc = 0; compute_abs_deadline(&ts, ms); pthread_mutex_lock(&sem->lock); @@ -313,29 +291,6 @@ int qemu_sem_timedwait(QemuSemaphore *sem, int ms) } pthread_mutex_unlock(&sem->lock); return (rc == ETIMEDOUT ? -1 : 0); -#else - if (ms <= 0) { - /* This is cheaper than sem_timedwait. */ - do { - rc = sem_trywait(&sem->sem); - } while (rc == -1 && errno == EINTR); - if (rc == -1 && errno == EAGAIN) { - return -1; - } - } else { - compute_abs_deadline(&ts, ms); - do { - rc = sem_timedwait(&sem->sem, &ts); - } while (rc == -1 && errno == EINTR); - if (rc == -1 && errno == ETIMEDOUT) { - return -1; - } - } - if (rc < 0) { - error_exit(errno, __func__); - } - return 0; -#endif } void qemu_sem_wait(QemuSemaphore *sem) @@ -343,7 +298,6 @@ void qemu_sem_wait(QemuSemaphore *sem) int rc; assert(sem->initialized); -#ifndef CONFIG_SEM_TIMEDWAIT pthread_mutex_lock(&sem->lock); while (sem->count == 0) { rc = pthread_cond_wait(&sem->cond, &sem->lock); @@ -353,14 +307,6 @@ void qemu_sem_wait(QemuSemaphore *sem) } --sem->count; pthread_mutex_unlock(&sem->lock); -#else - do { - rc = sem_wait(&sem->sem); - } while (rc == -1 && errno == EINTR); - if (rc < 0) { - error_exit(errno, __func__); - } -#endif } #ifdef __linux__ |