qemu-thread.h

   1 #ifndef __QEMU_THREAD_H
   2 #define __QEMU_THREAD_H 1
   3
   4 #include <inttypes.h>
   5 #include <stdbool.h>
   6
   7 typedef struct QemuMutex QemuMutex;
   8 typedef struct QemuCond QemuCond;
   9 typedef struct QemuThread QemuThread;
  10
  11 #ifdef _WIN32
  12 #include "qemu-thread-win32.h"
  13 #else
  14 #include "qemu-thread-posix.h"
  15 #endif
  16
  17 #define QEMU_THREAD_JOINABLE 0
  18 #define QEMU_THREAD_DETACHED 1
  19
  20 void qemu_mutex_init(QemuMutex *mutex);
  21 void qemu_mutex_destroy(QemuMutex *mutex);
  22 void qemu_mutex_lock(QemuMutex *mutex);
  23 int qemu_mutex_trylock(QemuMutex *mutex);
  24 void qemu_mutex_unlock(QemuMutex *mutex);
  25
  26 #define rcu_read_lock() do { } while (0)
  27 #define rcu_read_unlock() do { } while (0)
  28
  29 void qemu_cond_init(QemuCond *cond);
  30 void qemu_cond_destroy(QemuCond *cond);
  31
  32 /*
  33  * IMPORTANT: The implementation does not guarantee that pthread_cond_signal
  34  * and pthread_cond_broadcast can be called except while the same mutex is
  35  * held as in the corresponding pthread_cond_wait calls!
  36  */
  37 void qemu_cond_signal(QemuCond *cond);
  38 void qemu_cond_broadcast(QemuCond *cond);
  39 void qemu_cond_wait(QemuCond *cond, QemuMutex *mutex);
  40
  41 void qemu_thread_create(QemuThread *thread,
  42                         void *(*start_routine)(void *),
  43                         void *arg, int mode);
  44 void *qemu_thread_join(QemuThread *thread);
  45 void qemu_thread_get_self(QemuThread *thread);
  46 bool qemu_thread_is_self(QemuThread *thread);
  47 void qemu_thread_exit(void *retval);
  48
  49 #endif