a8000_subboard/sdk/os/mutex.cpp

#include "mutex.hpp"
#define TAG "zmutex"

using namespace iflytop;

/*******************************************************************************
 *                                   zmutex                                    *
 *******************************************************************************/
zmutex::zmutex() {}
zmutex::~zmutex() {
#ifdef PC_IFLYTOP_ENABLE_OS
  vSemaphoreDelete(recursiveMutex);
#endif
}

void zmutex::init() {
#ifdef PC_IFLYTOP_ENABLE_OS
  recursiveMutex = xSemaphoreCreateRecursiveMutex();
#endif
}

bool zmutex::isInit() {
#ifdef PC_IFLYTOP_ENABLE_OS
  return recursiveMutex != NULL;
#else
  return true;
#endif
}

void zmutex::lock() {
#ifdef PC_IFLYTOP_ENABLE_OS
  ZEARLY_ASSERT(recursiveMutex != NULL);
  xSemaphoreTakeRecursive(recursiveMutex, portMAX_DELAY);
#else
  chip_critical_enter();
#endif
}
void zmutex::unlock() {
#ifdef PC_IFLYTOP_ENABLE_OS
  xSemaphoreGiveRecursive(recursiveMutex);
#else
  chip_critical_exit();
#endif
}

/*******************************************************************************
 *                                 zlock_guard                                 *
 *******************************************************************************/
zlock_guard::zlock_guard(zmutex& mutex) : m_mutex(mutex) {
  m_mutex.lock();
}
zlock_guard::~zlock_guard() { m_mutex.unlock(); }