diff options
Diffstat (limited to 'include/qemu/thread.h')
| -rw-r--r-- | include/qemu/thread.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/qemu/thread.h b/include/qemu/thread.h index 55d83a907c..047db0307e 100644 --- a/include/qemu/thread.h +++ b/include/qemu/thread.h @@ -34,6 +34,8 @@ typedef void (*QemuRecMutexLockFunc)(QemuRecMutex *m, const char *f, int l); typedef int (*QemuRecMutexTrylockFunc)(QemuRecMutex *m, const char *f, int l); typedef void (*QemuCondWaitFunc)(QemuCond *c, QemuMutex *m, const char *f, int l); +typedef bool (*QemuCondTimedWaitFunc)(QemuCond *c, QemuMutex *m, int ms, + const char *f, int l); extern QemuMutexLockFunc qemu_bql_mutex_lock_func; extern QemuMutexLockFunc qemu_mutex_lock_func; @@ -41,6 +43,7 @@ extern QemuMutexTrylockFunc qemu_mutex_trylock_func; extern QemuRecMutexLockFunc qemu_rec_mutex_lock_func; extern QemuRecMutexTrylockFunc qemu_rec_mutex_trylock_func; extern QemuCondWaitFunc qemu_cond_wait_func; +extern QemuCondTimedWaitFunc qemu_cond_timedwait_func; /* convenience macros to bypass the profiler */ #define qemu_mutex_lock__raw(m) \ @@ -63,6 +66,8 @@ extern QemuCondWaitFunc qemu_cond_wait_func; qemu_rec_mutex_trylock_impl(m, __FILE__, __LINE__); #define qemu_cond_wait(c, m) \ qemu_cond_wait_impl(c, m, __FILE__, __LINE__); +#define qemu_cond_timedwait(c, m, ms) \ + qemu_cond_wait_impl(c, m, ms, __FILE__, __LINE__); #else #define qemu_mutex_lock(m) ({ \ QemuMutexLockFunc _f = atomic_read(&qemu_mutex_lock_func); \ @@ -89,6 +94,11 @@ extern QemuCondWaitFunc qemu_cond_wait_func; QemuCondWaitFunc _f = atomic_read(&qemu_cond_wait_func); \ _f(c, m, __FILE__, __LINE__); \ }) + +#define qemu_cond_timedwait(c, m, ms) ({ \ + QemuCondTimedWaitFunc _f = atomic_read(&qemu_cond_timedwait_func); \ + _f(c, m, ms, __FILE__, __LINE__); \ + }) #endif #define qemu_mutex_unlock(mutex) \ @@ -134,12 +144,21 @@ void qemu_cond_signal(QemuCond *cond); void qemu_cond_broadcast(QemuCond *cond); void qemu_cond_wait_impl(QemuCond *cond, QemuMutex *mutex, const char *file, const int line); +bool qemu_cond_timedwait_impl(QemuCond *cond, QemuMutex *mutex, int ms, + const char *file, const int line); static inline void (qemu_cond_wait)(QemuCond *cond, QemuMutex *mutex) { qemu_cond_wait(cond, mutex); } +/* Returns true if timeout has not expired, and false otherwise */ +static inline bool (qemu_cond_timedwait)(QemuCond *cond, QemuMutex *mutex, + int ms) +{ + return qemu_cond_timedwait(cond, mutex, ms); +} + void qemu_sem_init(QemuSemaphore *sem, int init); void qemu_sem_post(QemuSemaphore *sem); void qemu_sem_wait(QemuSemaphore *sem); |