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Diffstat (limited to 'include')
-rw-r--r--include/qemu/thread.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/include/qemu/thread.h b/include/qemu/thread.h
index 55d83a9..047db03 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);