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16 lines
379 B
C
16 lines
379 B
C
#include <signal.h>
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#include "syscall.h"
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#include "libc.h"
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int __sigaction(int, const struct sigaction *, struct sigaction *);
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void (*signal(int sig, void (*func)(int)))(int)
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{
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struct sigaction sa_old, sa = { .sa_handler = func, .sa_flags = SA_RESTART };
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if (__sigaction(sig, &sa, &sa_old) < 0)
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return SIG_ERR;
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return sa_old.sa_handler;
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}
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weak_alias(signal, bsd_signal);
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