LXR qemu/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/typedefs.h"
  17#include "qemu/thread.h"
  18#include "trace.h"
  19
  20static inline void qemu_mutex_post_init(QemuMutex *mutex)
  21{
  22#ifdef CONFIG_DEBUG_MUTEX
  23    mutex->file = NULL;
  24    mutex->line = 0;
  25#endif
  26    mutex->initialized = true;
  27}
  28
  29static inline void qemu_mutex_pre_lock(QemuMutex *mutex,
  30                                       const char *file, int line)
  31{
  32    trace_qemu_mutex_lock(mutex, file, line);
  33}
  34
  35static inline void qemu_mutex_post_lock(QemuMutex *mutex,
  36                                        const char *file, int line)
  37{
  38#ifdef CONFIG_DEBUG_MUTEX
  39    mutex->file = file;
  40    mutex->line = line;
  41#endif
  42    trace_qemu_mutex_locked(mutex, file, line);
  43}
  44
  45static inline void qemu_mutex_pre_unlock(QemuMutex *mutex,
  46                                         const char *file, int line)
  47{
  48#ifdef CONFIG_DEBUG_MUTEX
  49    mutex->file = NULL;
  50    mutex->line = 0;
  51#endif
  52    trace_qemu_mutex_unlock(mutex, file, line);
  53}
  54
  55#endif
  56