qemu-thread.h

   1 #ifndef __QEMU_THREAD_H
   2 #define __QEMU_THREAD_H 1
   3
   4 #include <inttypes.h>
   5
   6 typedef struct QemuMutex QemuMutex;
   7 typedef struct QemuCond QemuCond;
   8 typedef struct QemuThread QemuThread;
   9
  10 #ifdef _WIN32
  11 #include "qemu-thread-win32.h"
  12 #else
  13 #include "qemu-thread-posix.h"
  14 #endif
  15
  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);
  21
  22 #define rcu_read_lock() do { } while (0)
  23 #define rcu_read_unlock() do { } while (0)
  24
  25 void qemu_cond_init(QemuCond *cond);
  26 void qemu_cond_destroy(QemuCond *cond);
  27
  28 /*
  29  * IMPORTANT: The implementation does not guarantee that pthread_cond_signal
  30  * and pthread_cond_broadcast can be called except while the same mutex is
  31  * held as in the corresponding pthread_cond_wait calls!
  32  */
  33 void qemu_cond_signal(QemuCond *cond);
  34 void qemu_cond_broadcast(QemuCond *cond);
  35 void qemu_cond_wait(QemuCond *cond, QemuMutex *mutex);
  36
  37 void qemu_thread_create(QemuThread *thread,
  38                        void *(*start_routine)(void*),
  39                        void *arg);
  40 void qemu_thread_get_self(QemuThread *thread);
  41 int qemu_thread_is_self(QemuThread *thread);
  42 void qemu_thread_exit(void *retval);
  43
  44 #endif