firmware/src/lock.cpp

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#include "lock.h"
#include <cassert>
namespace meshtastic
{
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#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));
}
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#else
Lock::Lock()
{
}
void Lock::lock()
{
}
void Lock::unlock()
{
}
#endif
LockGuard::LockGuard(Lock *lock) : lock(lock)
{
lock->lock();
}
LockGuard::~LockGuard()
{
lock->unlock();
}
} // namespace meshtastic