773babedfc
Signed-off-by: Bryce Harrington <bryce@osg.samsung.com> Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
100 lines
2.6 KiB
C
100 lines
2.6 KiB
C
/*
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* Copyright © 2012 Collabora, Ltd.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include <assert.h>
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#include <errno.h>
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#include <dirent.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <time.h>
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#include "test-runner.h"
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int
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count_open_fds(void)
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{
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DIR *dir;
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struct dirent *ent;
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int count = 0;
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dir = opendir("/proc/self/fd");
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assert(dir && "opening /proc/self/fd failed.");
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errno = 0;
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while ((ent = readdir(dir))) {
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const char *s = ent->d_name;
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if (s[0] == '.' && (s[1] == 0 || (s[1] == '.' && s[2] == 0)))
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continue;
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count++;
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}
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assert(errno == 0 && "reading /proc/self/fd failed.");
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closedir(dir);
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return count;
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}
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void
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exec_fd_leak_check(int nr_expected_fds)
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{
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const char *exe = "./exec-fd-leak-checker";
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char number[16] = { 0 };
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snprintf(number, sizeof number - 1, "%d", nr_expected_fds);
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execl(exe, exe, number, (char *)NULL);
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assert(0 && "execing fd leak checker failed");
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}
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#define USEC_TO_NSEC(n) (1000 * (n))
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/* our implementation of usleep and sleep functions that are safe to use with
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* timeouts (timeouts are implemented using alarm(), so it is not safe use
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* usleep and sleep. See man pages of these functions)
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*/
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void
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test_usleep(useconds_t usec)
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{
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struct timespec ts = {
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.tv_sec = 0,
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.tv_nsec = USEC_TO_NSEC(usec)
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};
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assert(nanosleep(&ts, NULL) == 0);
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}
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/* we must write the whole function instead of
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* wrapping test_usleep, because useconds_t may not
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* be able to contain such a big number of microseconds */
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void
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test_sleep(unsigned int sec)
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{
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struct timespec ts = {
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.tv_sec = sec,
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.tv_nsec = 0
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};
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assert(nanosleep(&ts, NULL) == 0);
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}
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