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#ifndef __SIGNAL_H__
#define __SIGNAL_H__
#include "compiler.h"
#include <signal.h>
#include <string.h>
extern volatile sig_atomic_t global_stop_flag;
static void signal_handler(UNUSED int signum)
{
global_stop_flag = 1;
}
static __attribute__((constructor)) void signal_handler_install()
{
struct sigaction sa;
memset(&sa, 0, sizeof(sa));
sa.sa_handler = signal_handler;
sigaction(SIGINT, &sa, NULL);
sigaction(SIGQUIT, &sa, NULL);
sigaction(SIGTERM, &sa, NULL);
}
int signal_set(const sigset_t *new, sigset_t *old);
int signal_block_parent(sigset_t *old);
int signal_block_child();
#endif
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