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-rw-r--r--rt/Makefile7
-rw-r--r--rt/tst-timer-sigmask.c78
2 files changed, 83 insertions, 2 deletions
diff --git a/rt/Makefile b/rt/Makefile
index 935d968716..dab5d62a57 100644
--- a/rt/Makefile
+++ b/rt/Makefile
@@ -47,6 +47,7 @@ tests := tst-shm tst-timer tst-timer2 \
tst-timer3 tst-timer4 tst-timer5 \
tst-cpuclock2 tst-cputimer1 tst-cputimer2 tst-cputimer3 \
tst-shm-cancel
+tests-internal := tst-timer-sigmask
extra-libs := librt
extra-libs-others := $(extra-libs)
@@ -63,9 +64,11 @@ LDFLAGS-rt.so = -Wl,--enable-new-dtags,-z,nodelete
$(objpfx)librt.so: $(shared-thread-library)
ifeq (yes,$(build-shared))
-$(addprefix $(objpfx),$(tests)): $(objpfx)librt.so $(shared-thread-library)
+$(addprefix $(objpfx),$(tests) $(tests-internal)): \
+ $(objpfx)librt.so $(shared-thread-library)
else
-$(addprefix $(objpfx),$(tests)): $(objpfx)librt.a $(static-thread-library)
+$(addprefix $(objpfx),$(tests)) $(tests-internal): \
+ $(objpfx)librt.a $(static-thread-library)
endif
tst-mqueue7-ARGS = -- $(host-test-program-cmd)
diff --git a/rt/tst-timer-sigmask.c b/rt/tst-timer-sigmask.c
new file mode 100644
index 0000000000..22e250f738
--- /dev/null
+++ b/rt/tst-timer-sigmask.c
@@ -0,0 +1,78 @@
+/* Check resulting signal mask from POSIX timer using SIGEV_THREAD.
+ Copyright (C) 2020 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 <stdio.h>
+#include <time.h>
+#include <signal.h>
+#include <stdbool.h>
+
+#include <support/check.h>
+#include <support/test-driver.h>
+#include <support/xthread.h>
+
+#include <internal-signals.h>
+
+static pthread_barrier_t barrier;
+
+static void
+thread_handler (union sigval sv)
+{
+ sigset_t ss;
+ sigprocmask (SIG_BLOCK, NULL, &ss);
+ if (test_verbose > 0)
+ printf ("%s: blocked signal mask = { ", __func__);
+ 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. */
+ if (sigismember (&ss, sig))
+ {
+ TEST_VERIFY (sig != SIGKILL && sig != SIGSTOP);
+ TEST_VERIFY (!__is_internal_signal (sig));
+ }
+ if (test_verbose && sigismember (&ss, sig))
+ printf ("%d, ", sig);
+ }
+ if (test_verbose > 0)
+ printf ("}\n");
+
+ xpthread_barrier_wait (&barrier);
+}
+
+static int
+do_test (void)
+{
+ struct sigevent sev = { 0 };
+ sev.sigev_notify = SIGEV_THREAD;
+ sev.sigev_notify_function = &thread_handler;
+
+ timer_t timerid;
+ TEST_COMPARE (timer_create (CLOCK_REALTIME, &sev, &timerid), 0);
+
+ xpthread_barrier_init (&barrier, NULL, 2);
+
+ struct itimerspec trigger = { 0 };
+ trigger.it_value.tv_nsec = 1000000;
+ TEST_COMPARE (timer_settime (timerid, 0, &trigger, NULL), 0);
+
+ xpthread_barrier_wait (&barrier);
+
+ return 0;
+}
+
+#include <support/test-driver.c>