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41 lines
766 B
C
41 lines
766 B
C
/* Copyright (C) 1995 DJ Delorie, see COPYING.DJ for details */
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#include <signal.h>
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#include <errno.h>
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int
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sigaction(int _sig, const struct sigaction *_act, struct sigaction *_oact)
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{
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int retval = 0;
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if (_oact)
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{
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void (*installed_sig)(int) = signal (_sig, SIG_IGN);
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/* FIXME */
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if (installed_sig == SIG_ERR)
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{
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retval = -1;
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errno = EINVAL;
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}
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else
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signal (_sig, installed_sig);
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_oact->sa_handler = installed_sig;
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retval = sigemptyset (&_oact->sa_mask);
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_oact->sa_flags = 0;
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}
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if (_act)
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{
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if (signal (_sig, _act->sa_handler) == SIG_ERR)
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{
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retval = -1;
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errno = EINVAL;
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}
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}
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return 0;
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}
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/* arch-tag: 39526405-3d3a-44fe-af28-82a515e0c8e8
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(do not change this comment) */
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