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-rw-r--r--ChangeLog9
-rw-r--r--linuxthreads/ChangeLog15
-rw-r--r--linuxthreads/sysdeps/pthread/timer_create.c5
-rw-r--r--linuxthreads/sysdeps/pthread/timer_gettime.c10
-rw-r--r--linuxthreads/sysdeps/pthread/timer_routines.c10
-rw-r--r--linuxthreads/sysdeps/unix/sysv/linux/mq_notify.c1
-rw-r--r--linuxthreads/sysdeps/x86_64/tls.h3
-rw-r--r--nptl/ChangeLog21
-rw-r--r--nptl/sysdeps/pthread/Makefile5
-rw-r--r--nptl/sysdeps/pthread/timer_create.c5
-rw-r--r--nptl/sysdeps/pthread/timer_gettime.c10
-rw-r--r--nptl/sysdeps/pthread/timer_routines.c13
-rw-r--r--nptl/sysdeps/pthread/tst-mqueue8x.c1
-rw-r--r--nptl/sysdeps/unix/sysv/linux/mq_notify.c1
-rw-r--r--nptl/tst-cancel4.c4
-rw-r--r--rt/Makefile3
-rw-r--r--rt/tst-mqueue8.c266
-rw-r--r--sysdeps/unix/sysv/linux/s390/Makefile3
-rw-r--r--sysdeps/unix/sysv/linux/s390/rt-sysdep.S1
19 files changed, 365 insertions, 21 deletions
diff --git a/ChangeLog b/ChangeLog
index 8d4fd0a..f3d032b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2004-04-17 Jakub Jelinek <jakub@redhat.com>
+
+ * rt/Makefile (tests): Add tst-mqueue8.
+ * rt/tst-mqueue8.c: New test.
+
+ * sysdeps/unix/sysv/linux/s390/Makefile (librt-routines): Add
+ rt-sysdep.
+ * sysdeps/unix/sysv/linux/s390/rt-sysdep.S: New file.
+
2004-03-26 H.J. Lu <hongjiu.lu@intel.com>
* sysdeps/unix/sysv/linux/wordsize-64/fxstat.c (__fxstat): Don't
diff --git a/linuxthreads/ChangeLog b/linuxthreads/ChangeLog
index 48a873c..45d38b3 100644
--- a/linuxthreads/ChangeLog
+++ b/linuxthreads/ChangeLog
@@ -1,3 +1,18 @@
+2004-04-17 Jakub Jelinek <jakub@redhat.com>
+
+ * sysdeps/x86_64/tls.h [!__ASSEMBLER__]: Include tcb-offsets.h.
+
+ * sysdeps/pthread/timer_gettime.c (timer_gettime): For expired timer
+ return it_value { 0, 0 }.
+ * sysdeps/pthread/timer_create.c (timer_create): Handle SIGEV_NONE
+ like SIGEV_SIGNAL.
+ * sysdeps/pthread/timer_routines.c (thread_expire_timer): Remove
+ assertion for SIGEV_NONE.
+ (thread_attr_compare): Compare all attributes, not just a partial
+ subset.
+
+ * sysdeps/unix/sysv/linux/mq_notify.c: Include stdlib.h.
+
2004-04-17 Ulrich Drepper <drepper@redhat.com>
* semaphore.h (SEM_VALUE_MAX): Just use a plain number.
diff --git a/linuxthreads/sysdeps/pthread/timer_create.c b/linuxthreads/sysdeps/pthread/timer_create.c
index d63cda0..3fde4c7 100644
--- a/linuxthreads/sysdeps/pthread/timer_create.c
+++ b/linuxthreads/sysdeps/pthread/timer_create.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2000, 2003, 2004 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Kaz Kylheku <kaz@ashi.footprints.net>.
@@ -91,9 +91,6 @@ timer_create (clock_id, evp, timerid)
switch (__builtin_expect (newtimer->event.sigev_notify, SIGEV_SIGNAL))
{
case SIGEV_NONE:
- /* This is a strange choice! */
- break;
-
case SIGEV_SIGNAL:
/* We have a global thread for delivering timed signals.
If it is not running, try to start it up. */
diff --git a/linuxthreads/sysdeps/pthread/timer_gettime.c b/linuxthreads/sysdeps/pthread/timer_gettime.c
index 99a0803..723a616 100644
--- a/linuxthreads/sysdeps/pthread/timer_gettime.c
+++ b/linuxthreads/sysdeps/pthread/timer_gettime.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000 Free Software Foundation, Inc.
+/* Copyright (C) 2000, 2004 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Kaz Kylheku <kaz@ashi.footprints.net>.
@@ -54,7 +54,13 @@ timer_gettime (timerid, value)
if (armed)
{
clock_gettime (clock, &now);
- timespec_sub (&value->it_value, &expiry, &now);
+ if (timespec_compare (&now, &expiry) < 0)
+ timespec_sub (&value->it_value, &expiry, &now);
+ else
+ {
+ value->it_value.tv_sec = 0;
+ value->it_value.tv_nsec = 0;
+ }
}
else
{
diff --git a/linuxthreads/sysdeps/pthread/timer_routines.c b/linuxthreads/sysdeps/pthread/timer_routines.c
index 36c26b2..6e3797d 100644
--- a/linuxthreads/sysdeps/pthread/timer_routines.c
+++ b/linuxthreads/sysdeps/pthread/timer_routines.c
@@ -1,5 +1,5 @@
/* Helper code for POSIX timer implementation on LinuxThreads.
- Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc.
+ Copyright (C) 2000, 2001, 2002, 2004 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Kaz Kylheku <kaz@ashi.footprints.net>.
@@ -318,7 +318,6 @@ thread_expire_timer (struct thread_node *self, struct timer_node *timer)
switch (__builtin_expect (timer->event.sigev_notify, SIGEV_SIGNAL))
{
case SIGEV_NONE:
- assert (! "timer_create should never have created such a timer");
break;
case SIGEV_SIGNAL:
@@ -517,10 +516,15 @@ thread_attr_compare (const pthread_attr_t *left, const pthread_attr_t *right)
{
return (left->__detachstate == right->__detachstate
&& left->__schedpolicy == right->__schedpolicy
+ && left->__guardsize == right->__guardsize
&& (left->__schedparam.sched_priority
== right->__schedparam.sched_priority)
&& left->__inheritsched == right->__inheritsched
- && left->__scope == right->__scope);
+ && left->__scope == right->__scope
+ && left->__stacksize == right->__stacksize
+ && left->__stackaddr_set == right->__stackaddr_set
+ && (left->__stackaddr_set
+ || left->__stackaddr == right->__stackaddr));
}
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/mq_notify.c b/linuxthreads/sysdeps/unix/sysv/linux/mq_notify.c
index 2714fad..e9c2b6e 100644
--- a/linuxthreads/sysdeps/unix/sysv/linux/mq_notify.c
+++ b/linuxthreads/sysdeps/unix/sysv/linux/mq_notify.c
@@ -23,6 +23,7 @@
#include <mqueue.h>
#include <pthread.h>
#include <signal.h>
+#include <stdlib.h>
#include <string.h>
#include <sysdep.h>
#include <unistd.h>
diff --git a/linuxthreads/sysdeps/x86_64/tls.h b/linuxthreads/sysdeps/x86_64/tls.h
index 124c849..63feebd 100644
--- a/linuxthreads/sysdeps/x86_64/tls.h
+++ b/linuxthreads/sysdeps/x86_64/tls.h
@@ -41,6 +41,9 @@ typedef struct
void *self; /* Pointer to the thread descriptor. */
int multiple_threads;
} tcbhead_t;
+
+#else /* __ASSEMBLER__ */
+# include <tcb-offsets.h>
#endif
diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index f0b074d..ff3498f 100644
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -1,3 +1,24 @@
+2004-04-17 Jakub Jelinek <jakub@redhat.com>
+
+ * sysdeps/pthread/Makefile (tests): Add tst-mqueue8x
+ in rt subdir.
+ (CFLAGS-tst-mqueue8x.c): Add -fexceptions.
+ * sysdeps/pthread/tst-mqueue8x.c: New test.
+ * tst-cancel4.c: Update comment about message queues.
+
+ * sysdeps/pthread/timer_gettime.c (timer_gettime): For expired timer
+ return it_value { 0, 0 }.
+ * sysdeps/pthread/timer_create.c (timer_create): Handle SIGEV_NONE
+ like SIGEV_SIGNAL.
+ * sysdeps/pthread/timer_routines.c (thread_expire_timer): Remove
+ assertion for SIGEV_NONE.
+ (thread_attr_compare): Compare all attributes, not just a partial
+ subset.
+
+2004-04-17 Jakub Jelinek <jakub@redhat.com>
+
+ * sysdeps/unix/sysv/linux/mq_notify.c: Include stdlib.h.
+
2004-04-17 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/alpha/bits/semaphore.h (SEM_VALUE_MAX):
diff --git a/nptl/sysdeps/pthread/Makefile b/nptl/sysdeps/pthread/Makefile
index aac9406..05854be 100644
--- a/nptl/sysdeps/pthread/Makefile
+++ b/nptl/sysdeps/pthread/Makefile
@@ -40,6 +40,11 @@ $(objpfx)tst-timer: $(objpfx)librt.so $(shared-thread-library)
else
$(objpfx)tst-timer: $(objpfx)librt.a $(static-thread-library)
endif
+
+ifeq ($(have-forced-unwind),yes)
+tests += tst-mqueue8x
+CFLAGS-tst-mqueue8x.c += -fexceptions
+endif
endif
ifeq ($(subdir),posix)
diff --git a/nptl/sysdeps/pthread/timer_create.c b/nptl/sysdeps/pthread/timer_create.c
index 16aa810..b74fafd 100644
--- a/nptl/sysdeps/pthread/timer_create.c
+++ b/nptl/sysdeps/pthread/timer_create.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2000, 2003, 2004 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Kaz Kylheku <kaz@ashi.footprints.net>.
@@ -91,9 +91,6 @@ timer_create (clock_id, evp, timerid)
switch (__builtin_expect (newtimer->event.sigev_notify, SIGEV_SIGNAL))
{
case SIGEV_NONE:
- /* This is a strange choice! */
- break;
-
case SIGEV_SIGNAL:
/* We have a global thread for delivering timed signals.
If it is not running, try to start it up. */
diff --git a/nptl/sysdeps/pthread/timer_gettime.c b/nptl/sysdeps/pthread/timer_gettime.c
index 99a0803..723a616 100644
--- a/nptl/sysdeps/pthread/timer_gettime.c
+++ b/nptl/sysdeps/pthread/timer_gettime.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000 Free Software Foundation, Inc.
+/* Copyright (C) 2000, 2004 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Kaz Kylheku <kaz@ashi.footprints.net>.
@@ -54,7 +54,13 @@ timer_gettime (timerid, value)
if (armed)
{
clock_gettime (clock, &now);
- timespec_sub (&value->it_value, &expiry, &now);
+ if (timespec_compare (&now, &expiry) < 0)
+ timespec_sub (&value->it_value, &expiry, &now);
+ else
+ {
+ value->it_value.tv_sec = 0;
+ value->it_value.tv_nsec = 0;
+ }
}
else
{
diff --git a/nptl/sysdeps/pthread/timer_routines.c b/nptl/sysdeps/pthread/timer_routines.c
index af6f741..3ee8fef 100644
--- a/nptl/sysdeps/pthread/timer_routines.c
+++ b/nptl/sysdeps/pthread/timer_routines.c
@@ -1,5 +1,5 @@
/* Helper code for POSIX timer implementation on NPTL.
- Copyright (C) 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+ Copyright (C) 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Kaz Kylheku <kaz@ashi.footprints.net>.
@@ -319,7 +319,6 @@ thread_expire_timer (struct thread_node *self, struct timer_node *timer)
switch (__builtin_expect (timer->event.sigev_notify, SIGEV_SIGNAL))
{
case SIGEV_NONE:
- assert (! "timer_create should never have created such a timer");
break;
case SIGEV_SIGNAL:
@@ -522,7 +521,15 @@ thread_attr_compare (const pthread_attr_t *left, const pthread_attr_t *right)
return (ileft->flags == iright->flags
&& ileft->schedpolicy == iright->schedpolicy
&& (ileft->schedparam.sched_priority
- == iright->schedparam.sched_priority));
+ == iright->schedparam.sched_priority)
+ && ileft->guardsize == iright->guardsize
+ && ileft->stackaddr == iright->stackaddr
+ && ileft->stacksize == iright->stacksize
+ && ((ileft->cpuset == NULL && iright->cpuset == NULL)
+ || (ileft->cpuset != NULL && iright->cpuset != NULL
+ && ileft->cpusetsize == iright->cpusetsize
+ && memcmp (ileft->cpuset, iright->cpuset,
+ ileft->cpusetsize) == 0)));
}
diff --git a/nptl/sysdeps/pthread/tst-mqueue8x.c b/nptl/sysdeps/pthread/tst-mqueue8x.c
new file mode 100644
index 0000000..ca28039
--- /dev/null
+++ b/nptl/sysdeps/pthread/tst-mqueue8x.c
@@ -0,0 +1 @@
+#include <rt/tst-mqueue8.c>
diff --git a/nptl/sysdeps/unix/sysv/linux/mq_notify.c b/nptl/sysdeps/unix/sysv/linux/mq_notify.c
index 2714fad..e9c2b6e 100644
--- a/nptl/sysdeps/unix/sysv/linux/mq_notify.c
+++ b/nptl/sysdeps/unix/sysv/linux/mq_notify.c
@@ -23,6 +23,7 @@
#include <mqueue.h>
#include <pthread.h>
#include <signal.h>
+#include <stdlib.h>
#include <string.h>
#include <sysdep.h>
#include <unistd.h>
diff --git a/nptl/tst-cancel4.c b/nptl/tst-cancel4.c
index 8af6d42..87000fa 100644
--- a/nptl/tst-cancel4.c
+++ b/nptl/tst-cancel4.c
@@ -57,8 +57,8 @@
sem_wait() and sem_timedwait() are checked in tst-cancel1[2345] tests.
- POSIX message queues aren't implemented yet. This affects
- mq_receive() mq_send() mq_timedreceive() mq_timedsend()
+ mq_send(), mq_timedsend(), mq_receive() and mq_timedreceive() are checked
+ in tst-mqueue8{,x} tests.
aio_suspend() is tested in tst-cancel17.
diff --git a/rt/Makefile b/rt/Makefile
index 24801c4..a5ce82f 100644
--- a/rt/Makefile
+++ b/rt/Makefile
@@ -44,7 +44,8 @@ librt-routines = $(aio-routines) \
tests := tst-shm tst-clock tst-clock_nanosleep tst-timer tst-timer2 \
tst-aio tst-aio64 tst-aio2 tst-aio3 tst-aio4 tst-aio5 tst-aio6 \
tst-aio7 tst-mqueue1 tst-mqueue2 tst-mqueue3 tst-mqueue4 \
- tst-mqueue5 tst-mqueue6 tst-mqueue7 tst-timer3 tst-timer4
+ tst-mqueue5 tst-mqueue6 tst-mqueue7 tst-mqueue8 \
+ tst-timer3 tst-timer4
extra-libs := librt
extra-libs-others := $(extra-libs)
diff --git a/rt/tst-mqueue8.c b/rt/tst-mqueue8.c
new file mode 100644
index 0000000..7e902aa
--- /dev/null
+++ b/rt/tst-mqueue8.c
@@ -0,0 +1,266 @@
+/* Copyright (C) 2004 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Jakub Jelinek <jakub@redhat.com>, 2004.
+
+ 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <mqueue.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#if _POSIX_THREADS
+# include <pthread.h>
+
+static pthread_barrier_t b;
+
+/* Cleanup handling test. */
+static int cl_called;
+
+static void
+cl (void *arg)
+{
+ ++cl_called;
+}
+
+#define TF_MQ_RECEIVE 0L
+#define TF_MQ_TIMEDRECEIVE 1L
+#define TF_MQ_SEND 2L
+#define TF_MQ_TIMEDSEND 3L
+
+static const char *names[]
+ = { "mq_receive", "mq_timedreceive", "mq_send", "mq_timedsend" };
+
+static mqd_t q;
+static struct timespec never;
+
+static void *
+tf (void *arg)
+{
+ int r = pthread_barrier_wait (&b);
+ if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
+ {
+ puts ("tf: barrier_wait failed");
+ exit (1);
+ }
+
+ pthread_cleanup_push (cl, NULL);
+
+ char c = ' ';
+
+ switch ((long) arg)
+ {
+ case TF_MQ_SEND:
+ TEMP_FAILURE_RETRY (mq_send (q, &c, 1, 1));
+ break;
+ case TF_MQ_TIMEDSEND:
+ TEMP_FAILURE_RETRY (mq_timedsend (q, &c, 1, 1, &never));
+ break;
+ case TF_MQ_RECEIVE:
+ TEMP_FAILURE_RETRY (mq_receive (q, &c, 1, NULL));
+ break;
+ case TF_MQ_TIMEDRECEIVE:
+ TEMP_FAILURE_RETRY (mq_timedreceive (q, &c, 1, NULL, &never));
+ break;
+ }
+
+ pthread_cleanup_pop (0);
+
+ printf ("tf: %s returned\n", names[(long) arg]);
+
+ exit (1);
+}
+
+#define TEST_FUNCTION do_test ()
+static int
+do_test (void)
+{
+ char name[sizeof "/tst-mqueue8-" + sizeof (pid_t) * 3];
+ snprintf (name, sizeof (name), "/tst-mqueue8-%u", getpid ());
+
+ struct mq_attr attr = { .mq_maxmsg = 1, .mq_msgsize = 1 };
+ q = mq_open (name, O_CREAT | O_EXCL | O_RDWR, 0600, &attr);
+
+ if (q == (mqd_t) -1)
+ {
+ printf ("mq_open failed with: %m\n");
+ return 0;
+ }
+
+ if (mq_unlink (name) != 0)
+ {
+ printf ("mq_unlink failed with: %m\n");
+ return 1;
+ }
+
+ if (pthread_barrier_init (&b, NULL, 2) != 0)
+ {
+ puts ("barrier_init failed");
+ return 1;
+ }
+
+ if (clock_gettime (CLOCK_REALTIME, &never) == 0)
+ never.tv_sec += 100;
+ else
+ {
+ never.tv_sec = time (NULL) + 100;
+ never.tv_nsec = 0;
+ }
+
+ int result = 0;
+ for (long l = TF_MQ_RECEIVE; l <= TF_MQ_TIMEDSEND; ++l)
+ {
+ cl_called = 0;
+
+ pthread_t th;
+ if (pthread_create (&th, NULL, tf, (void *) l) != 0)
+ {
+ printf ("1st %s create failed\n", names[l]);
+ result = 1;
+ continue;
+ }
+
+ int r = pthread_barrier_wait (&b);
+ if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
+ {
+ puts ("barrier_wait failed");
+ result = 1;
+ continue;
+ }
+
+ struct timespec ts = { .tv_sec = 0, .tv_nsec = 100000000 };
+ while (nanosleep (&ts, &ts) != 0)
+ continue;
+
+ printf ("going to cancel %s in-time\n", names[l]);
+ if (pthread_cancel (th) != 0)
+ {
+ printf ("1st cancel of %s failed\n", names[l]);
+ result = 1;
+ continue;
+ }
+
+ void *status;
+ if (pthread_join (th, &status) != 0)
+ {
+ printf ("1st join of %s failed\n", names[l]);
+ result = 1;
+ continue;
+ }
+ if (status != PTHREAD_CANCELED)
+ {
+ printf ("1st %s thread not canceled\n", names[l]);
+ result = 1;
+ continue;
+ }
+
+ if (cl_called == 0)
+ {
+ printf ("%s cleanup handler not called\n", names[l]);
+ result = 1;
+ continue;
+ }
+ if (cl_called > 1)
+ {
+ printf ("%s cleanup handler called more than once\n", names[l]);
+ result = 1;
+ continue;
+ }
+
+ printf ("in-time %s cancellation succeeded\n", names[l]);
+
+ cl_called = 0;
+
+ if (pthread_create (&th, NULL, tf, (void *) l) != 0)
+ {
+ printf ("2nd %s create failed\n", names[l]);
+ result = 1;
+ continue;
+ }
+
+ printf ("going to cancel %s early\n", names[l]);
+ if (pthread_cancel (th) != 0)
+ {
+ printf ("2nd cancel of %s failed\n", names[l]);
+ result = 1;
+ continue;
+ }
+
+ r = pthread_barrier_wait (&b);
+ if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
+ {
+ puts ("barrier_wait failed");
+ result = 1;
+ continue;
+ }
+
+ if (pthread_join (th, &status) != 0)
+ {
+ printf ("2nd join of %s failed\n", names[l]);
+ result = 1;
+ continue;
+ }
+ if (status != PTHREAD_CANCELED)
+ {
+ printf ("2nd %s thread not canceled\n", names[l]);
+ result = 1;
+ continue;
+ }
+
+ if (cl_called == 0)
+ {
+ printf ("%s cleanup handler not called\n", names[l]);
+ result = 1;
+ continue;
+ }
+ if (cl_called > 1)
+ {
+ printf ("%s cleanup handler called more than once\n", names[l]);
+ result = 1;
+ continue;
+ }
+
+ printf ("early %s cancellation succeeded\n", names[l]);
+
+ if (l == TF_MQ_TIMEDRECEIVE)
+ {
+ /* mq_receive and mq_timedreceive are tested on empty mq.
+ For mq_send and mq_timedsend we need to make it full.
+ If this fails, there is no point in doing further testing. */
+ char c = ' ';
+ if (mq_send (q, &c, 1, 1) != 0)
+ {
+ printf ("mq_send failed: %m\n");
+ result = 1;
+ break;
+ }
+ }
+ }
+
+ if (mq_close (q) != 0)
+ {
+ printf ("mq_close failed: %m\n");
+ result = 1;
+ }
+
+ return result;
+}
+#else
+# define TEST_FUNCTION 0
+#endif
+
+#include "../test-skeleton.c"
diff --git a/sysdeps/unix/sysv/linux/s390/Makefile b/sysdeps/unix/sysv/linux/s390/Makefile
index 7a83286..8d8df74 100644
--- a/sysdeps/unix/sysv/linux/s390/Makefile
+++ b/sysdeps/unix/sysv/linux/s390/Makefile
@@ -1 +1,4 @@
64bit-predefine = __s390x__
+ifeq ($(subdir),rt)
+librt-routines += rt-sysdep
+endif
diff --git a/sysdeps/unix/sysv/linux/s390/rt-sysdep.S b/sysdeps/unix/sysv/linux/s390/rt-sysdep.S
new file mode 100644
index 0000000..f966bf1
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/rt-sysdep.S
@@ -0,0 +1 @@
+#include <sysdep.S>