firmware/src/lock.cpp
2020-06-05 17:30:09 -07:00

51 lines
563 B
C++

#include "lock.h"
#include <cassert>
namespace meshtastic
{
#ifdef configUSE_PREEMPTION
Lock::Lock()
{
handle = xSemaphoreCreateBinary();
assert(handle);
assert(xSemaphoreGive(handle));
}
void Lock::lock()
{
assert(xSemaphoreTake(handle, portMAX_DELAY));
}
void Lock::unlock()
{
assert(xSemaphoreGive(handle));
}
#else
Lock::Lock()
{
}
void Lock::lock()
{
}
void Lock::unlock()
{
}
#endif
LockGuard::LockGuard(Lock *lock) : lock(lock)
{
lock->lock();
}
LockGuard::~LockGuard()
{
lock->unlock();
}
} // namespace meshtastic