forked from jbagg/QtZeroConf
73 lines
1.5 KiB
C
73 lines
1.5 KiB
C
/***
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This file is part of avahi.
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avahi is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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avahi is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
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Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with avahi; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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USA.
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***/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <sys/select.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <assert.h>
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#include "fdutil.h"
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int avahi_set_cloexec(int fd) {
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int n;
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assert(fd >= 0);
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if ((n = fcntl(fd, F_GETFD)) < 0)
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return -1;
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if (n & FD_CLOEXEC)
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return 0;
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return fcntl(fd, F_SETFD, n|FD_CLOEXEC);
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}
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int avahi_set_nonblock(int fd) {
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int n;
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assert(fd >= 0);
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if ((n = fcntl(fd, F_GETFL)) < 0)
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return -1;
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if (n & O_NONBLOCK)
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return 0;
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return fcntl(fd, F_SETFL, n|O_NONBLOCK);
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}
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int avahi_wait_for_write(int fd) {
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fd_set fds;
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int r;
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FD_ZERO(&fds);
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FD_SET(fd, &fds);
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if ((r = select(fd+1, NULL, &fds, NULL, NULL)) < 0)
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return -1;
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assert(r > 0);
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return 0;
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}
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