block: clarify the meaning of BDRV_O_NOCACHE
[qemu/kevin.git] / qemu-thread.h
blob0a73d50524929f8a7387c6d163e2c4eb2dfe958a
1 #ifndef __QEMU_THREAD_H
2 #define __QEMU_THREAD_H 1
4 #include <inttypes.h>
6 typedef struct QemuMutex QemuMutex;
7 typedef struct QemuCond QemuCond;
8 typedef struct QemuThread QemuThread;
10 #ifdef _WIN32
11 #include "qemu-thread-win32.h"
12 #else
13 #include "qemu-thread-posix.h"
14 #endif
16 void qemu_mutex_init(QemuMutex *mutex);
17 void qemu_mutex_destroy(QemuMutex *mutex);
18 void qemu_mutex_lock(QemuMutex *mutex);
19 int qemu_mutex_trylock(QemuMutex *mutex);
20 void qemu_mutex_unlock(QemuMutex *mutex);
22 void qemu_cond_init(QemuCond *cond);
23 void qemu_cond_destroy(QemuCond *cond);
26 * IMPORTANT: The implementation does not guarantee that pthread_cond_signal
27 * and pthread_cond_broadcast can be called except while the same mutex is
28 * held as in the corresponding pthread_cond_wait calls!
30 void qemu_cond_signal(QemuCond *cond);
31 void qemu_cond_broadcast(QemuCond *cond);
32 void qemu_cond_wait(QemuCond *cond, QemuMutex *mutex);
34 void qemu_thread_create(QemuThread *thread,
35 void *(*start_routine)(void*),
36 void *arg);
37 void qemu_thread_get_self(QemuThread *thread);
38 int qemu_thread_is_self(QemuThread *thread);
39 void qemu_thread_exit(void *retval);
41 #endif