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

#include <signal.h>
#include <stdint.h>
#include "syscall.h"
#include "pthread_impl.h"
int raise(int sig)
{
	sigset_t set;
	__block_app_sigs(&set);
	int ret = syscall(SYS_tkill, __pthread_self()->tid, sig);
	__restore_sigs(&set);
	return ret;
}