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
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/>.
28 #include "tevent_internal.h"
29 #include "tevent_util.h"
33 return the number of elements in a string list
35 size_t ev_str_list_length(const char **list)
38 for (ret=0;list && list[ret];ret++) /* noop */ ;
43 add an entry to a string list
45 const char **ev_str_list_add(const char **list, const char *s)
47 size_t len = ev_str_list_length(list);
50 ret = talloc_realloc(NULL, list, const char *, len+2);
51 if (ret == NULL) return NULL;
53 ret[len] = talloc_strdup(ret, s);
54 if (ret[len] == NULL) return NULL;
63 Set a fd into blocking/nonblocking mode. Uses POSIX O_NONBLOCK if available,
69 int ev_set_blocking(int fd, bool set)
73 #define FLAG_TO_SET O_NONBLOCK
76 #define FLAG_TO_SET O_NDELAY
78 #define FLAG_TO_SET FNDELAY
82 if((val = fcntl(fd, F_GETFL, 0)) == -1)
84 if(set) /* Turn blocking on - ie. clear nonblock flag */
88 return fcntl( fd, F_SETFL, val);
92 static struct timeval tevent_before_wait_ts;
93 static struct timeval tevent_after_wait_ts;
96 * measure the time difference between multiple arrivals
97 * to the point where we wait for new events to come in
99 * allows to measure how long it takes to work on a
102 void tevent_before_wait(struct event_context *ev) {
105 struct timeval now = tevent_timeval_current();
107 if (!tevent_timeval_is_zero(&tevent_after_wait_ts)) {
108 diff = tevent_timeval_until(&tevent_after_wait_ts, &now);
109 if (diff.tv_sec > 3) {
110 tevent_debug(ev, TEVENT_DEBUG_FATAL, __location__
111 " Handling event took %d seconds!",
116 tevent_before_wait_ts = tevent_timeval_current();
121 * measure how long the select()/epoll() call took
123 * allows to measure how long we are waiting for new events
125 void tevent_after_wait(struct event_context *ev) {
128 struct timeval now = tevent_timeval_current();
130 if (!tevent_timeval_is_zero(&tevent_before_wait_ts)) {
131 diff = tevent_timeval_until(&tevent_before_wait_ts, &now);
132 if (diff.tv_sec > 3) {
133 tevent_debug(ev, TEVENT_DEBUG_FATAL, __location__
134 " No event for %d seconds!",
139 tevent_after_wait_ts = tevent_timeval_current();