aboutsummaryrefslogtreecommitdiff
path: root/rt
diff options
context:
space:
mode:
Diffstat (limited to 'rt')
-rw-r--r--rt/Makefile4
-rw-r--r--rt/tst-timer-sigmask.c7
-rw-r--r--rt/tst-timer6.c79
3 files changed, 84 insertions, 6 deletions
diff --git a/rt/Makefile b/rt/Makefile
index 8880e25b64..bdda9dd660 100644
--- a/rt/Makefile
+++ b/rt/Makefile
@@ -79,7 +79,8 @@ tests := tst-shm tst-timer tst-timer2 \
tst-cpuclock2 tst-cputimer1 tst-cputimer2 tst-cputimer3 \
tst-clock_nanosleep2 \
tst-shm-cancel \
- tst-mqueue10
+ tst-mqueue10 \
+ tst-timer6
tests-internal := tst-timer-sigmask
tests-time64 := \
@@ -101,6 +102,7 @@ include ../Rules
CFLAGS-aio_suspend.c += -fexceptions
CFLAGS-mq_timedreceive.c += -fexceptions -fasynchronous-unwind-tables
CFLAGS-mq_timedsend.c += -fexceptions -fasynchronous-unwind-tables
+CFLAGS-timer_create.c += -fexceptions -fasynchronous-unwind-tables
# Exclude fortified routines from being built with _FORTIFY_SOURCE
routines_no_fortify += \
diff --git a/rt/tst-timer-sigmask.c b/rt/tst-timer-sigmask.c
index d8a576bba7..61b7927863 100644
--- a/rt/tst-timer-sigmask.c
+++ b/rt/tst-timer-sigmask.c
@@ -39,12 +39,9 @@ thread_handler (union sigval sv)
for (int sig = 1; sig < NSIG; sig++)
{
/* POSIX timers threads created to handle SIGEV_THREAD block all
- signals except SIGKILL, SIGSTOP and glibc internals ones. */
+ signals except SIGKILL, SIGSTOP, and SIGSETXID. */
if (sigismember (&ss, sig))
- {
- TEST_VERIFY (sig != SIGKILL && sig != SIGSTOP);
- TEST_VERIFY (!is_internal_signal (sig));
- }
+ TEST_VERIFY (sig != SIGKILL && sig != SIGSTOP && sig != SIGSETXID);
if (test_verbose && sigismember (&ss, sig))
printf ("%d, ", sig);
}
diff --git a/rt/tst-timer6.c b/rt/tst-timer6.c
new file mode 100644
index 0000000000..d0f3b030b6
--- /dev/null
+++ b/rt/tst-timer6.c
@@ -0,0 +1,79 @@
+/* Check re-use timer id for SIGEV_THREAD (BZ 32833)
+ Copyright (C) 2025 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; see the file COPYING.LIB. If
+ not, see <https://www.gnu.org/licenses/>. */
+
+#include <signal.h>
+#include <time.h>
+#include <support/check.h>
+
+/* The test depends of the system load and scheduler pressure, so the
+ number of iteration is arbitrary to not take too much time. */
+enum { niters = 1<<13 };
+
+static void
+on_good_timer (union sigval sv)
+{
+}
+
+static void
+on_bad_timer (union sigval sv)
+{
+ FAIL_EXIT1 ("triggered bad timer");
+}
+
+static int
+do_test (void)
+{
+ struct itimerspec its_long = {. it_value = { .tv_sec = 180 } };
+ struct itimerspec its_short = { .it_value = { .tv_nsec = 1000 } };
+ struct itimerspec its_zero = { .it_interval = { .tv_sec = 0} };
+
+ struct sigevent ev_short =
+ {
+ .sigev_notify = SIGEV_THREAD,
+ .sigev_notify_function = on_good_timer,
+ };
+
+ struct sigevent ev_long =
+ {
+ .sigev_notify = SIGEV_THREAD,
+ .sigev_notify_function = on_bad_timer,
+ };
+
+ for (int which = 0; which < niters; which++)
+ {
+ struct sigevent * ev = which & 0x1 ? &ev_short : &ev_long;
+ struct itimerspec * its = which & 0x1? &its_short : &its_long;
+
+ timer_t timerid;
+ if (timer_create (CLOCK_REALTIME, ev, &timerid) == -1)
+ FAIL_EXIT1 ("timer_create: %m");
+
+ if (timer_settime (timerid, 0, its, NULL) == -1)
+ FAIL_EXIT1 ("timer_settime: %m");
+
+ if (timer_settime (timerid, 0, &its_zero, NULL) == -1)
+ FAIL_EXIT1 ("timer_settime: %m");
+
+ if (timer_delete (timerid) == -1)
+ FAIL_EXIT1 ("time_delete: %m");
+ }
+
+ return 0;
+}
+
+#include <support/test-driver.c>