1 /* Copyright (C) 1992, 1994, 1996, 2002 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
23 libc_hidden_proto(sigaction)
25 /* If INTERRUPT is nonzero, make signal SIG interrupt system calls
26 (causing them to fail with EINTR); if INTERRUPT is zero, make system
27 calls be restarted after signal SIG. */
29 siginterrupt (sig, interrupt)
34 extern sigset_t _sigintr attribute_hidden; /* Defined in signal.c. */
35 struct sigaction action;
37 if (sigaction (sig, (struct sigaction *) NULL, &action) < 0)
42 __sigaddset (&_sigintr, sig);
43 action.sa_flags &= ~SA_RESTART;
47 __sigdelset (&_sigintr, sig);
48 action.sa_flags |= SA_RESTART;
51 if (sigaction (sig, &action, (struct sigaction *) NULL) < 0)