smbd: Simplify callers of notify_filter_string
[Samba.git] / lib / tevent / tevent_util.c
blob7519e118ab929d4997e06c47a8232047bd7c0f24
1 /*
2 Unix SMB/CIFS implementation.
4 Copyright (C) Andrew Tridgell 2005
5 Copyright (C) Jelmer Vernooij 2005
7 ** NOTE! The following LGPL license applies to the tevent
8 ** library. This does NOT imply that all of Samba is released
9 ** under the LGPL
11 This library is free software; you can redistribute it and/or
12 modify it under the terms of the GNU Lesser General Public
13 License as published by the Free Software Foundation; either
14 version 3 of the License, or (at your option) any later version.
16 This library is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 Lesser General Public License for more details.
21 You should have received a copy of the GNU Lesser General Public
22 License along with this library; if not, see <http://www.gnu.org/licenses/>.
25 #include "replace.h"
26 #include "talloc.h"
27 #include "tevent.h"
28 #include "tevent_internal.h"
29 #include "tevent_util.h"
30 #include <fcntl.h>
32 /**
33 Set a fd into blocking/nonblocking mode. Uses POSIX O_NONBLOCK if available,
34 else
35 if SYSV use O_NDELAY
36 if BSD use FNDELAY
37 **/
39 int ev_set_blocking(int fd, bool set)
41 int val;
42 #ifdef O_NONBLOCK
43 #define FLAG_TO_SET O_NONBLOCK
44 #else
45 #ifdef SYSV
46 #define FLAG_TO_SET O_NDELAY
47 #else /* BSD */
48 #define FLAG_TO_SET FNDELAY
49 #endif
50 #endif
52 if((val = fcntl(fd, F_GETFL, 0)) == -1)
53 return -1;
54 if(set) /* Turn blocking on - ie. clear nonblock flag */
55 val &= ~FLAG_TO_SET;
56 else
57 val |= FLAG_TO_SET;
58 return fcntl( fd, F_SETFL, val);
59 #undef FLAG_TO_SET
62 bool ev_set_close_on_exec(int fd)
64 #ifdef FD_CLOEXEC
65 int val;
67 val = fcntl(fd, F_GETFD, 0);
68 if (val >= 0) {
69 val |= FD_CLOEXEC;
70 val = fcntl(fd, F_SETFD, val);
71 if (val != -1) {
72 return true;
75 #endif
76 return false;