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#pragma once
#include <signal.h>
#include <atomic>
#include "all.h"
namespace ov4
{
typedef void handler_t(int);
inline sigset_t
block_sig_TTOU,
block_job,
block_io;
inline std::atomic_int exit_code, exit_required_pid;
inline constexpr int SIGNAL_EXIT_CODE_BASE = 128;
inline constexpr int SIGNAL_MAX_NUM_P1 = 128;
inline std::atomic_char signal_mask[SIGNAL_MAX_NUM_P1];
bool check_signal_delivered(int sig);
void set_signal_delivered(int sig);
void unset_signal_delivered(int sig);
void signal_init();
handler_t *Signal(int signum, handler_t *handler);
void sigchld_handler(int sig);
void sigint_handler(int sig);
void sigtstp_handler(int sig);
void sigquit_handler(int sig);
void sigwinch_handler(int sig);
void process_signal();
void process_sigchld();
int block_all(sigset_t *prev);
int block_handler(sigset_t *prev);
}
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