diff options
| -rw-r--r-- | sysdeps/unix/sysv/linux/Makefile | 3 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/tst-timerfd.c | 65 |
2 files changed, 67 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile index 472eab700d..0ac1e20436 100644 --- a/sysdeps/unix/sysv/linux/Makefile +++ b/sysdeps/unix/sysv/linux/Makefile @@ -106,7 +106,8 @@ tests += tst-clone tst-clone2 tst-clone3 tst-fanotify tst-personality \ tst-quota tst-sync_file_range tst-sysconf-iov_max tst-ttyname \ test-errno-linux tst-memfd_create tst-mlock2 tst-pkey \ tst-rlimit-infinity tst-ofdlocks tst-gettid tst-gettid-kill \ - tst-tgkill tst-sysvsem-linux tst-sysvmsg-linux tst-sysvshm-linux + tst-tgkill tst-sysvsem-linux tst-sysvmsg-linux tst-sysvshm-linux \ + tst-timerfd tests-internal += tst-ofdlocks-compat tst-sigcontext-get_pc CFLAGS-tst-sigcontext-get_pc.c = -fasynchronous-unwind-tables diff --git a/sysdeps/unix/sysv/linux/tst-timerfd.c b/sysdeps/unix/sysv/linux/tst-timerfd.c new file mode 100644 index 0000000000..c850f7de35 --- /dev/null +++ b/sysdeps/unix/sysv/linux/tst-timerfd.c @@ -0,0 +1,65 @@ +/* Test for timerfd related functions + Copyright (C) 2021 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library 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. + + The GNU C Library 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 the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <time.h> +#include <support/check.h> +#include <support/xunistd.h> +#include <support/timespec.h> +#include <sys/time.h> +#include <sys/timerfd.h> + +static int +do_test (void) +{ + struct itimerspec settings = { { 2, 0 }, { 2, 0 } }; + struct itimerspec val1, val2; + int fd, ret; + + fd = timerfd_create (CLOCK_REALTIME, 0); + if (fd < 0) + FAIL_EXIT1 ("*** timerfd_create failed: %m"); + + /* Set the timer. */ + ret = timerfd_settime (fd, 0, &settings, NULL); + if (ret != 0) + FAIL_EXIT1 ("*** timerfd_settime failed: %m\n"); + + /* Read the timer just before sleep. */ + ret = timerfd_gettime (fd, &val1); + if (ret != 0) + FAIL_EXIT1 ("*** timerfd_gettime failed: %m\n"); + + /* Sleep for 1 second. */ + ret = usleep (1000000); + if (ret != 0) + FAIL_EXIT1 ("*** usleep failed: %m\n"); + + /* Read the timer just after sleep. */ + ret = timerfd_gettime (fd, &val2); + if (ret != 0) + FAIL_EXIT1 ("*** timerfd_gettime failed: %m\n"); + + /* Check difference between timerfd_gettime calls. */ + struct timespec r = timespec_sub (val2.it_value, val1.it_value); + TEST_COMPARE (support_timespec_check_in_range + ((struct timespec) { 1, 0 }, r, 1.0, 1.5), 0); + + return 0; +} + +#include <support/test-driver.c> |