From: Adhemerval Zanella <adhemerval.zanella@linaro.org>
To: libc-alpha@sourceware.org
Subject: [PATCH 04/52] time: Add getitimer and setitimer basic tests
Date: Fri, 5 Mar 2021 17:14:30 -0300 [thread overview]
Message-ID: <20210305201518.798584-5-adhemerval.zanella@linaro.org> (raw)
In-Reply-To: <20210305201518.798584-1-adhemerval.zanella@linaro.org>
Checked on i686-linux-gnu and x86_64-linux-gnu.
---
time/Makefile | 2 +-
time/tst-itimer.c | 175 ++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 176 insertions(+), 1 deletion(-)
create mode 100644 time/tst-itimer.c
diff --git a/time/Makefile b/time/Makefile
index a52b6b94bc..ccc9eefd61 100644
--- a/time/Makefile
+++ b/time/Makefile
@@ -48,7 +48,7 @@ tests := test_time clocktest tst-posixtz tst-strptime tst_wcsftime \
tst-strptime3 bug-getdate1 tst-strptime-whitespace tst-ftime \
tst-tzname tst-y2039 bug-mktime4 tst-strftime2 tst-strftime3 \
tst-clock tst-clock2 tst-clock_nanosleep tst-cpuclock1 \
- tst-adjtime tst-ctime tst-difftime tst-mktime4
+ tst-adjtime tst-ctime tst-difftime tst-mktime4 tst-itimer
include ../Rules
diff --git a/time/tst-itimer.c b/time/tst-itimer.c
new file mode 100644
index 0000000000..e464d6b092
--- /dev/null
+++ b/time/tst-itimer.c
@@ -0,0 +1,175 @@
+/* Basic tests for getitimer and setitimer.
+ 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 <array_length.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <sys/time.h>
+#include <support/check.h>
+#include <support/xsignal.h>
+#include <unistd.h>
+#include <time.h>
+
+static sig_atomic_t cnt;
+
+static void
+alrm_handler (int sig)
+{
+ if (++cnt > 3)
+ cnt = 3;
+}
+
+static void
+intr_sleep (int sec)
+{
+ struct timespec ts = { .tv_sec = sec, .tv_nsec = 0 };
+ while (nanosleep (&ts, &ts) == -1 && errno == EINTR)
+ ;
+}
+
+static int
+do_test (void)
+{
+ struct itimerval it, it_old;
+ const int timers[] = { ITIMER_REAL, ITIMER_VIRTUAL, ITIMER_PROF };
+ for (int i = 0; i < array_length (timers); i++)
+ {
+ TEST_COMPARE (getitimer (timers[i], &it), 0);
+
+ /* No timer set, all value should be 0. */
+ TEST_COMPARE (it.it_interval.tv_sec, 0);
+ TEST_COMPARE (it.it_interval.tv_usec, 0);
+ TEST_COMPARE (it.it_value.tv_sec, 0);
+ TEST_COMPARE (it.it_value.tv_usec, 0);
+
+ it.it_interval.tv_sec = 10;
+ it.it_interval.tv_usec = 20;
+ TEST_COMPARE (setitimer (timers[i], &it, NULL), 0);
+
+ TEST_COMPARE (setitimer (timers[i], &(struct itimerval) { 0 }, &it_old),
+ 0);
+ /* ITIMER_REAL returns { 0, 0 } for single-sort timers, while
+ other timers returns setitimer value. */
+ if (timers[i] == ITIMER_REAL)
+ {
+ TEST_COMPARE (it_old.it_interval.tv_sec, 0);
+ TEST_COMPARE (it_old.it_interval.tv_usec, 0);
+ }
+ else
+ {
+ TEST_COMPARE (it_old.it_interval.tv_sec, 10);
+ TEST_COMPARE (it_old.it_interval.tv_usec, 20);
+ }
+
+ /* Create a periodic timer and check if the return value is the one
+ previously set. */
+ it.it_interval.tv_sec = 10;
+ it.it_interval.tv_usec = 20;
+ it.it_value.tv_sec = 30;
+ it.it_value.tv_usec = 40;
+ TEST_COMPARE (setitimer (timers[i], &it, NULL), 0);
+
+ TEST_COMPARE (setitimer (timers[i], &(struct itimerval) { 0 }, &it_old),
+ 0);
+ TEST_COMPARE (it.it_interval.tv_sec, it_old.it_interval.tv_sec);
+ TEST_COMPARE (it.it_interval.tv_usec, it_old.it_interval.tv_usec);
+
+ if (sizeof (time_t) == 4)
+ continue;
+
+ /* Same as before, but with a 64 bit time_t value. */
+ it.it_interval.tv_sec = (time_t) 0x1ffffffffull;
+ it.it_interval.tv_usec = 20;
+ it.it_value.tv_sec = 0;
+ it.it_value.tv_usec = 0;
+
+ /* Linux does not provide 64 bit time_t support for getitimer and
+ setitimer on architectures with 32 bit time_t support. */
+ if (sizeof (__time_t) == 8)
+ {
+ TEST_COMPARE (setitimer (timers[i], &it, NULL), 0);
+ TEST_COMPARE (setitimer (timers[i], &(struct itimerval) { 0 },
+ &it_old),
+ 0);
+ /* ITIMER_REAL returns { 0, 0 } for single-sort timers, while other
+ timers returns setitimer value. */
+ if (timers[i] == ITIMER_REAL)
+ {
+ TEST_COMPARE (it_old.it_interval.tv_sec, 0ull);
+ TEST_COMPARE (it_old.it_interval.tv_usec, 0);
+ }
+ else
+ {
+ TEST_COMPARE (it_old.it_interval.tv_sec, 0x1ffffffffull);
+ TEST_COMPARE (it_old.it_interval.tv_usec, 20);
+ }
+ }
+ else
+ {
+ TEST_COMPARE (setitimer (timers[i], &it, NULL), -1);
+ TEST_COMPARE (errno, EOVERFLOW);
+ }
+
+ /* Create a periodic timer and check if the return value is the one
+ previously set. */
+ it.it_interval.tv_sec = (time_t) 0x1ffffffffull;
+ it.it_interval.tv_usec = 20;
+ it.it_value.tv_sec = 30;
+ it.it_value.tv_usec = 40;
+ if (sizeof (__time_t) == 8)
+ {
+ TEST_COMPARE (setitimer (timers[i], &it, NULL), 0);
+
+ TEST_COMPARE (setitimer (timers[i], &(struct itimerval) { 0 },
+ &it_old),
+ 0);
+ TEST_COMPARE (it.it_interval.tv_sec, it_old.it_interval.tv_sec);
+ TEST_COMPARE (it.it_interval.tv_usec, it_old.it_interval.tv_usec);
+ }
+ else
+ {
+ TEST_COMPARE (setitimer (timers[i], &it, NULL), -1);
+ TEST_COMPARE (errno, EOVERFLOW);
+ }
+ }
+
+ {
+ struct sigaction sa = { .sa_handler = alrm_handler, .sa_flags = 0 };
+ sigemptyset (&sa.sa_mask);
+ xsigaction (SIGALRM, &sa, NULL);
+ }
+
+ /* Setup a timer to 0.1s and sleep for 1s and check to 3 signal handler
+ execution. */
+ it.it_interval.tv_sec = 0;
+ it.it_interval.tv_usec = 100000;
+ it.it_value.tv_sec = 0;
+ it.it_value.tv_usec = 100000;
+
+ /* Check ITIMER_VIRTUAL and ITIMER_PROF would require to generate load
+ and be subject to system load. */
+ cnt = 0;
+ TEST_COMPARE (setitimer (ITIMER_REAL, &it, NULL), 0);
+ intr_sleep (1);
+ TEST_COMPARE (cnt, 3);
+ TEST_COMPARE (setitimer (ITIMER_REAL, &(struct itimerval) { 0 }, NULL), 0);
+
+ return 0;
+}
+
+#include <support/test-driver.c>
--
2.25.1
next prev parent reply other threads:[~2021-03-05 20:15 UTC|newest]
Thread overview: 95+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-05 20:14 [PATCH 00/52] Add 64 bit time support on legacy ABIs Adhemerval Zanella
2021-03-05 20:14 ` [PATCH 01/52] io: Use temporary directory and file for ftwtest-sh Adhemerval Zanella
2021-03-05 20:56 ` Andreas Schwab
2021-03-05 23:53 ` Joseph Myers
2021-03-08 13:00 ` Adhemerval Zanella
2021-03-05 20:14 ` [PATCH 02/52] linux: Add futimes test Adhemerval Zanella
2021-03-05 20:30 ` Florian Weimer
2021-03-08 13:01 ` Adhemerval Zanella
2021-03-08 13:08 ` Florian Weimer
2021-03-08 13:26 ` Adhemerval Zanella
2021-03-08 13:30 ` Florian Weimer
2021-03-05 20:33 ` Florian Weimer
2021-03-08 13:02 ` Adhemerval Zanella
2021-03-08 13:23 ` Adhemerval Zanella
2021-03-06 0:02 ` Joseph Myers
2021-03-06 3:52 ` Paul Zimmermann
2021-03-08 13:03 ` Adhemerval Zanella
2021-03-05 20:14 ` [PATCH 03/52] linux: Add lutimes test Adhemerval Zanella
2021-03-05 20:31 ` Florian Weimer
2021-03-06 0:02 ` Joseph Myers
2021-03-05 20:14 ` Adhemerval Zanella [this message]
2021-03-05 20:14 ` [PATCH 05/52] time: Add gmtime/gmtime_r tests Adhemerval Zanella
2021-03-05 20:14 ` [PATCH 06/52] time: Add timegm/timelocal basic tests Adhemerval Zanella
2021-03-05 20:14 ` [PATCH 07/52] time: Add basic timespec_get tests Adhemerval Zanella
2021-03-05 20:14 ` [PATCH 08/52] time: Add 64 bit tests for getdate / getdate_r Adhemerval Zanella
2021-03-05 20:14 ` [PATCH 09/52] io: Add basic tests for utimensat Adhemerval Zanella
2021-03-05 20:14 ` [PATCH 10/52] posix: Add wait3 tests Adhemerval Zanella
2021-03-05 20:14 ` [PATCH 11/52] linux: mips: Split libpthread.abilist in n32 and n64 Adhemerval Zanella
2021-03-05 20:39 ` Florian Weimer
2021-03-08 13:05 ` Adhemerval Zanella
2021-03-05 20:14 ` [PATCH 12/52] linux: mips: Split librt.abilist " Adhemerval Zanella
2021-03-05 20:14 ` [PATCH 13/52] linux: mips: Split libanl.abilist " Adhemerval Zanella
2021-03-05 20:14 ` [PATCH 14/52] linux: s390: Add libanl.abilist in s390 and s390x Adhemerval Zanella
2021-03-05 20:14 ` [PATCH 15/52] login: Consolidate utmp and utmpx headers Adhemerval Zanella
2021-03-05 20:14 ` [PATCH 16/52] login: Move gnu utmpx to default implementation Adhemerval Zanella
2021-03-05 20:14 ` [PATCH 17/52] Consolidate and simplify internal utmp definitions Adhemerval Zanella
2021-03-05 20:14 ` [PATCH 18/52] support: Add 'touch' command Adhemerval Zanella
2021-03-05 20:14 ` [PATCH 19/52] Add tests-container-internal rules Adhemerval Zanella
2021-03-05 20:14 ` [PATCH 20/52] login: Add 64-bit time support to utmp/utmpx Adhemerval Zanella
2021-04-27 12:30 ` Florian Weimer
2021-04-27 13:58 ` Andreas Schwab
2021-04-27 14:18 ` Florian Weimer
2021-04-27 14:51 ` Andreas Schwab
2021-04-27 18:03 ` Joseph Myers
2021-04-30 10:03 ` Florian Weimer
2021-04-30 12:17 ` Andreas Schwab
2021-04-30 12:22 ` Florian Weimer
2021-04-30 14:11 ` Andreas Schwab
2021-03-05 20:14 ` [PATCH 21/52] linux: Add pwrite64_nocancel Adhemerval Zanella
2021-03-05 20:14 ` [PATCH 22/52] login: Use 64-bit time on struct lastlog [BZ #25844] Adhemerval Zanella
2021-03-06 0:07 ` Joseph Myers
2021-03-08 13:05 ` Adhemerval Zanella
2021-03-05 20:14 ` [PATCH 23/52] Remove __WORDSIZE_TIME64_COMPAT32 Adhemerval Zanella
2021-03-05 20:14 ` [PATCH 24/52] linux: Add fallback for 64-bit time_t SO_{RCV, SND}TIMEO Adhemerval Zanella
2021-03-05 20:14 ` [PATCH 25/52] linux: Add fallback for 64-bit time_t SO_TIMESTAMP{NS} Adhemerval Zanella
2021-03-05 20:14 ` [PATCH 26/52] linux: Add recvvmsg " Adhemerval Zanella
2021-03-05 20:14 ` [PATCH 27/52] y2038: Add __USE_TIME_BITS64 support for time_t Adhemerval Zanella
2021-03-05 20:14 ` [PATCH 28/52] y2038: Add __USE_TIME_BITS64 support for struct timeval Adhemerval Zanella
2021-03-05 20:14 ` [PATCH 29/52] y2038: Add __USE_TIME_BITS64 support for struct timespec Adhemerval Zanella
2021-03-05 20:14 ` [PATCH 30/52] y2038: Add __USE_TIME_BITS64 support for struct utimbuf Adhemerval Zanella
2021-03-05 20:14 ` [PATCH 31/52] y2038: linux: Add __USE_TIME_BITS64 support for struct timex Adhemerval Zanella
2021-03-05 20:14 ` [PATCH 32/52] y2038: Use a common definition for stat Adhemerval Zanella
2021-03-05 20:14 ` [PATCH 33/52] y2038: Use a common definition for msqid_ds Adhemerval Zanella
2021-03-05 20:15 ` [PATCH 34/52] y2038: Use a common definition for semid_ds Adhemerval Zanella
2021-03-05 20:15 ` [PATCH 35/52] y2038: Use a common definition for shmid_ds Adhemerval Zanella
2021-03-05 20:15 ` [PATCH 36/52] y2038: Add __USE_TIME_BITS64 support for socket-constants.h Adhemerval Zanella
2021-03-05 20:15 ` [PATCH 37/52] time: Add 64 bit time support for getdate Adhemerval Zanella
2021-03-08 21:27 ` Lukasz Majewski
2021-03-05 20:15 ` [PATCH 38/52] y2038: Add support for 64 bit time on legacy ABIs Adhemerval Zanella
2021-03-08 21:27 ` Lukasz Majewski
2021-03-05 20:15 ` [PATCH 39/52] posix: Add glob64 with 64 bit time_t support Adhemerval Zanella
2021-03-05 20:15 ` [PATCH 40/52] io: Add fts64 " Adhemerval Zanella
2021-03-05 20:15 ` [PATCH 41/52] io: Add ftw64 " Adhemerval Zanella
2021-03-05 20:15 ` [PATCH 42/52] libsupport: Add 64 bit time_t support for time functions Adhemerval Zanella
2021-03-05 20:15 ` [PATCH 43/52] libsupport: Add 64 bit time_t support for stat functions Adhemerval Zanella
2021-03-05 20:42 ` Florian Weimer
2021-03-08 13:06 ` Adhemerval Zanella
2021-03-05 20:15 ` [PATCH 44/52] y2038: Add test coverage Adhemerval Zanella
2021-03-06 0:13 ` Joseph Myers
2021-03-08 13:12 ` Adhemerval Zanella
2021-03-08 21:28 ` Lukasz Majewski
2021-03-05 20:15 ` [PATCH 45/52] Use 64 bit time_t stat internally Adhemerval Zanella
2021-03-05 20:15 ` [PATCH 46/52] debug: build pcprofiledump with LFS and 64 bit time support Adhemerval Zanella
2021-03-05 20:15 ` [PATCH 47/52] elf: Use LFS and 64 bit time_t for installed programs Adhemerval Zanella
2021-03-05 20:43 ` Florian Weimer
2021-03-08 13:14 ` Adhemerval Zanella
2021-03-08 15:26 ` Florian Weimer
2021-03-05 20:15 ` [PATCH 48/52] iconv: " Adhemerval Zanella
2021-03-05 20:15 ` [PATCH 49/52] locale: " Adhemerval Zanella
2021-03-05 20:15 ` [PATCH 50/52] nss: " Adhemerval Zanella
2021-03-05 20:15 ` [PATCH 51/52] posix: " Adhemerval Zanella
2021-03-05 20:15 ` [PATCH 52/52] timezone: " Adhemerval Zanella
2021-03-05 23:57 ` [PATCH 00/52] Add 64 bit time support on legacy ABIs Joseph Myers
2021-03-08 13:18 ` Adhemerval Zanella
2021-03-07 10:42 ` Lukasz Majewski
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