lock_ptc.c\thread\src - musl - musl - an implementation of the standard library for Linux-based systems

#include <pthread.h>
static pthread_rwlock_t lock = PTHREAD_RWLOCK_INITIALIZER;
void __inhibit_ptc()
{
	pthread_rwlock_wrlock(&lock);
}
void __acquire_ptc()
{
	pthread_rwlock_rdlock(&lock);
}
void __release_ptc()
{
	pthread_rwlock_unlock(&lock);
}