mirror of
https://github.com/openharmony/third_party_backends.git
synced 2026-07-01 09:11:13 -04:00
Olaf Meeuwissen
8ef4a858ae
With the exception of use in three quotes as well as our inlcuded copy of the GPL, all use of the Free Software Foundation's postal address has been removed. Re #320.
53 lines
1.4 KiB
C
53 lines
1.4 KiB
C
/* Copyright (C) 1997 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, see <https://www.gnu.org/licenses/>. */
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#include "../include/sane/config.h"
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#include <errno.h>
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#ifndef HAVE_SIGPROCMASK
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#define sigprocmask SOMETHINGELSE
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#include <signal.h>
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#undef sigprocmask
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int
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sigprocmask (int how, int *new, int *old)
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{
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int o, n = *new;
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/* FIXME: Get this working on Windows. Probably should move to
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* POSIX sigaction API and emulate it before emulating this one.
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*/
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#ifndef WIN32
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switch (how)
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{
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case 1: o = sigblock (n); break;
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case 2: o = sigsetmask (sigblock (0) & ~n); break;
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case 3: o = sigsetmask (n); break;
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default:
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errno = EINVAL;
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return -1;
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}
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if (old)
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*old = o;
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#endif
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return 0;
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}
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#endif /* !HAVE_SIGPROCMASK */
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