util/qemu-thread-common.h

   1 /*
   2  * Common qemu-thread implementation header file.
   3  *
   4  * Copyright Red Hat, Inc. 2018
   5  *
   6  * Authors:
   7  *  Peter Xu <peterx@redhat.com>,
   8  *
   9  * This work is licensed under the terms of the GNU GPL, version 2 or later.
  10  * See the COPYING file in the top-level directory.
  11  */
  12
  13 #ifndef QEMU_THREAD_COMMON_H
  14 #define QEMU_THREAD_COMMON_H
  15
  16 #include "qemu/thread.h"
  17 #include "trace.h"
  18
  19 static inline void qemu_mutex_post_init(QemuMutex *mutex)
  20 {
  21 #ifdef CONFIG_DEBUG_MUTEX
  22     mutex->file = NULL;
  23     mutex->line = 0;
  24 #endif
  25     mutex->initialized = true;
  26 }
  27
  28 static inline void qemu_mutex_pre_lock(QemuMutex *mutex,
  29                                        const char *file, int line)
  30 {
  31     trace_qemu_mutex_lock(mutex, file, line);
  32 }
  33
  34 static inline void qemu_mutex_post_lock(QemuMutex *mutex,
  35                                         const char *file, int line)
  36 {
  37 #ifdef CONFIG_DEBUG_MUTEX
  38     mutex->file = file;
  39     mutex->line = line;
  40 #endif
  41     trace_qemu_mutex_locked(mutex, file, line);
  42 }
  43
  44 static inline void qemu_mutex_pre_unlock(QemuMutex *mutex,
  45                                          const char *file, int line)
  46 {
  47 #ifdef CONFIG_DEBUG_MUTEX
  48     mutex->file = NULL;
  49     mutex->line = 0;
  50 #endif
  51     trace_qemu_mutex_unlock(mutex, file, line);
  52 }
  53
  54 #endif