diff options
| -rw-r--r-- | test/.gitignore | 1 | ||||
| -rw-r--r-- | test/time/tst-timerfd.c | 71 |
2 files changed, 72 insertions, 0 deletions
diff --git a/test/.gitignore b/test/.gitignore index a86135d8d..4abedb1c3 100644 --- a/test/.gitignore +++ b/test/.gitignore @@ -288,6 +288,7 @@ time/tst-futimens1 time/tst-mktime time/tst-mktime3 time/tst-strptime2 +time/tst-timerfd time/tst_wcsftime tls/tst-tls[1-9] tls/tst-tls1[0-8] diff --git a/test/time/tst-timerfd.c b/test/time/tst-timerfd.c new file mode 100644 index 000000000..5562ed74f --- /dev/null +++ b/test/time/tst-timerfd.c @@ -0,0 +1,71 @@ +/* vi: set sw=4 ts=4 sts=4: */ +/* + * timerfd test for uClibc + * Copyright (C) 2012 by Kevin Cernekee <cernekee@gmail.com> + * + * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <errno.h> +#include <error.h> +#include <signal.h> +#include <stdint.h> +#include <inttypes.h> +#include <time.h> +#include <sys/timerfd.h> +#include <sys/fcntl.h> + +static int +do_test(void) +{ + int fd, ret, result = 0; + struct itimerspec s; + uint64_t val; + time_t start, now; + + fd = timerfd_create(CLOCK_MONOTONIC, TFD_NONBLOCK); + if (fd < 0) { + perror("timerfd() failed"); + result = 1; + } + s.it_value.tv_sec = 1; + s.it_value.tv_nsec = 0; + s.it_interval.tv_sec = 0; + s.it_interval.tv_nsec = 0; + timerfd_settime(fd, 0, &s, NULL); + start = time(NULL); + + /* this should return immediately with EAGAIN due to TFD_NONBLOCK */ + ret = read(fd, &val, sizeof(val)); + if (ret != -1 || errno != EAGAIN) { + error(0, 0, "first read() returned %d", ret); + result = 1; + } + + /* let the timer expire, then check it again */ + do { + now = time(NULL); + } while (now - start < 2); + + ret = read(fd, &val, sizeof(val)); + if (ret != sizeof(val)) { + error(0, 0, "second read() returned %d", ret); + result = 1; + } + + /* we are expecting a single expiration, since it_interval is 0 */ + if (val != 1) { + error(0, 0, "wrong number of expirations: %" PRIx64, val); + result = 1; + } + + return result; +} + +#define TIMEOUT 5 +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" |