diff options
author | Lennart Poettering <lennart@poettering.net> | 2005-08-12 00:25:52 +0000 |
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committer | Lennart Poettering <lennart@poettering.net> | 2005-08-12 00:25:52 +0000 |
commit | 5ebf655c85076f200955458673a8bbf0dd927407 (patch) | |
tree | 148d2a476b375603db4e3401b8d1d1236af0ae2c /avahi-core/fdutil.c | |
parent | e63a65b3955b173a3e8d6b78c6377a518a9922d6 (diff) |
Split avahi-common/util.h into
avahi-common/domain.h
avahi-core/fdutil.h
avahi-core/timeval.h
git-svn-id: file:///home/lennart/svn/public/avahi/trunk@299 941a03a8-eaeb-0310-b9a0-b1bbd8fe43fe
Diffstat (limited to 'avahi-core/fdutil.c')
-rw-r--r-- | avahi-core/fdutil.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/avahi-core/fdutil.c b/avahi-core/fdutil.c new file mode 100644 index 0000000..de7b0cf --- /dev/null +++ b/avahi-core/fdutil.c @@ -0,0 +1,73 @@ +/* $Id$ */ + +/*** + This file is part of avahi. + + avahi is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + avahi is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General + Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with avahi; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + USA. +***/ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <unistd.h> +#include <fcntl.h> +#include <assert.h> + +#include "fdutil.h" + +int avahi_set_cloexec(int fd) { + int n; + + assert(fd >= 0); + + if ((n = fcntl(fd, F_GETFD)) < 0) + return -1; + + if (n & FD_CLOEXEC) + return 0; + + return fcntl(fd, F_SETFD, n|FD_CLOEXEC); +} + +int avahi_set_nonblock(int fd) { + int n; + + assert(fd >= 0); + + if ((n = fcntl(fd, F_GETFL)) < 0) + return -1; + + if (n & O_NONBLOCK) + return 0; + + return fcntl(fd, F_SETFL, n|O_NONBLOCK); +} + +int avahi_wait_for_write(int fd) { + fd_set fds; + int r; + + FD_ZERO(&fds); + FD_SET(fd, &fds); + + if ((r = select(fd+1, NULL, &fds, NULL, NULL)) < 0) + return -1; + + assert(r > 0); + + return 0; +} |