diff options
Diffstat (limited to 'include/qemu/thread.h')
-rw-r--r-- | include/qemu/thread.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/include/qemu/thread.h b/include/qemu/thread.h new file mode 100644 index 0000000000..c02404b9fb --- /dev/null +++ b/include/qemu/thread.h @@ -0,0 +1,56 @@ +#ifndef __QEMU_THREAD_H +#define __QEMU_THREAD_H 1 + +#include <inttypes.h> +#include <stdbool.h> + +typedef struct QemuMutex QemuMutex; +typedef struct QemuCond QemuCond; +typedef struct QemuSemaphore QemuSemaphore; +typedef struct QemuThread QemuThread; + +#ifdef _WIN32 +#include "qemu/thread-win32.h" +#else +#include "qemu/thread-posix.h" +#endif + +#define QEMU_THREAD_JOINABLE 0 +#define QEMU_THREAD_DETACHED 1 + +void qemu_mutex_init(QemuMutex *mutex); +void qemu_mutex_destroy(QemuMutex *mutex); +void qemu_mutex_lock(QemuMutex *mutex); +int qemu_mutex_trylock(QemuMutex *mutex); +void qemu_mutex_unlock(QemuMutex *mutex); + +#define rcu_read_lock() do { } while (0) +#define rcu_read_unlock() do { } while (0) + +void qemu_cond_init(QemuCond *cond); +void qemu_cond_destroy(QemuCond *cond); + +/* + * IMPORTANT: The implementation does not guarantee that pthread_cond_signal + * and pthread_cond_broadcast can be called except while the same mutex is + * held as in the corresponding pthread_cond_wait calls! + */ +void qemu_cond_signal(QemuCond *cond); +void qemu_cond_broadcast(QemuCond *cond); +void qemu_cond_wait(QemuCond *cond, QemuMutex *mutex); + +void qemu_sem_init(QemuSemaphore *sem, int init); +void qemu_sem_post(QemuSemaphore *sem); +void qemu_sem_wait(QemuSemaphore *sem); +int qemu_sem_timedwait(QemuSemaphore *sem, int ms); +void qemu_sem_destroy(QemuSemaphore *sem); + +void qemu_thread_create(QemuThread *thread, + void *(*start_routine)(void *), + void *arg, int mode); +void *qemu_thread_join(QemuThread *thread); +void qemu_thread_get_self(QemuThread *thread); +bool qemu_thread_is_self(QemuThread *thread); +void qemu_thread_exit(void *retval); + +#endif |