Patchwork [2/6,BZ,#11588] pi-condvars: add tst-condpi1.c, basic API test

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Submitter Gratian Crisan
Date July 30, 2014, 12:31 a.m.
Message ID <1406680317-20189-3-git-send-email-gratian.crisan@ni.com>
Download mbox | patch
Permalink /patch/2226/
State New
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Comments

Gratian Crisan - July 30, 2014, 12:31 a.m.
From: Gratian Crisan <gratian.crisan@ni.com>

A simple test that just confirms the new pthread_condattr_setprotocol_np()
API returns correctly. No priority inversion avoidance testing is done here.

Signed-off-by: Darren Hart <dvhltc@us.ibm.com>
<Ported to glibc 2.19 by Gratian Crisan>
Signed-off-by: Gratian Crisan <gratian.crisan@ni.com>

--
ChangeLog:

2014-07-29  Gratian Crisan  <gratian.crisan@ni.com>
	Darren Hart <dvhart@linux.intel.com>

	[BZ #11588]
	* nptl/tst-condpi1.c: New file.
	* nptl/Makefile: Add tst-condpi1.

---
 nptl/Makefile      |   1 +
 nptl/tst-condpi1.c | 121 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 122 insertions(+)
 create mode 100644 nptl/tst-condpi1.c

Patch

diff --git a/nptl/Makefile b/nptl/Makefile
index ba6c6ab..1bc4e0c 100644
--- a/nptl/Makefile
+++ b/nptl/Makefile
@@ -219,6 +219,7 @@  tests = tst-typesizes \
 	tst-cond14 tst-cond15 tst-cond16 tst-cond17 tst-cond18 tst-cond19 \
 	tst-cond20 tst-cond21 tst-cond22 tst-cond23 tst-cond24 tst-cond25 \
 	tst-cond-except \
+	tst-condpi1 \
 	tst-robust1 tst-robust2 tst-robust3 tst-robust4 tst-robust5 \
 	tst-robust6 tst-robust7 tst-robust8 tst-robust9 \
 	tst-robustpi1 tst-robustpi2 tst-robustpi3 tst-robustpi4 tst-robustpi5 \
diff --git a/nptl/tst-condpi1.c b/nptl/tst-condpi1.c
new file mode 100644
index 0000000..078c80f
--- /dev/null
+++ b/nptl/tst-condpi1.c
@@ -0,0 +1,121 @@ 
+/* Copyright (C) 2002, 2010, 2013 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Darren Hart <dvhltc@us.ibm.com>
+   Based on test-cond1.c by Ulrich Drepper <drepper@redhat.com>
+
+   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
+   <http://www.gnu.org/licenses/>.  */
+
+#include <error.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+
+static pthread_cond_t cond;
+static pthread_mutex_t mut;
+
+
+static void *
+tf (void *p)
+{
+  int err;
+
+  err = pthread_mutex_lock (&mut);
+  if (err != 0)
+    error (EXIT_FAILURE, err, "child: cannot get mutex");
+
+  puts ("child: got mutex; signalling");
+
+  pthread_cond_signal (&cond);
+
+  puts ("child: unlock");
+
+  err = pthread_mutex_unlock (&mut);
+  if (err != 0)
+    error (EXIT_FAILURE, err, "child: cannot unlock");
+
+  puts ("child: done");
+
+  return NULL;
+}
+
+
+static int
+do_test (void)
+{
+  pthread_t th;
+  int err;
+
+  pthread_mutexattr_t ma;
+  pthread_condattr_t ca;
+
+  printf ("&cond = %p\n&mut = %p\n", &cond, &mut);
+
+  puts ("parent: setup condvar");
+
+  err = pthread_condattr_init(&ca);
+  if (err != 0)
+    error (EXIT_FAILURE, err, "parent: failed to init condattr");
+  err = pthread_condattr_setprotocol_np(&ca, PTHREAD_PRIO_INHERIT);
+  if (err != 0)
+    error (EXIT_FAILURE, err, "parent: failed to set condattr protocol");
+  err = pthread_cond_init(&cond, &ca);
+  if (err != 0)
+    error (EXIT_FAILURE, err, "parent: failed to init condvar");
+
+  puts ("parent: setup mutex");
+
+  err = pthread_mutexattr_init(&ma);
+  if (err != 0)
+    error (EXIT_FAILURE, err, "parent: failed to init mutexattr");
+  err = pthread_mutexattr_setprotocol(&ma, PTHREAD_PRIO_INHERIT);
+  if (err != 0)
+    error (EXIT_FAILURE, err, "parent: failed to set mutexattr protocol");
+  err = pthread_mutex_init(&mut, &ma);
+  if (err != 0)
+    error (EXIT_FAILURE, err, "parent: failed to init mutex");
+
+  puts ("parent: get mutex");
+
+  err = pthread_mutex_lock (&mut);
+  if (err != 0)
+    error (EXIT_FAILURE, err, "parent: cannot get mutex");
+
+  puts ("parent: create child");
+
+  err = pthread_create (&th, NULL, tf, NULL);
+  if (err != 0)
+    error (EXIT_FAILURE, err, "parent: cannot create thread");
+
+  puts ("parent: wait for condition");
+
+  err = pthread_cond_wait (&cond, &mut);
+  if (err != 0)
+    error (EXIT_FAILURE, err, "parent: cannot wait fir signal");
+
+  puts ("parent: got signal");
+
+  err = pthread_join (th, NULL);
+  if (err != 0)
+    error (EXIT_FAILURE, err, "parent: failed to join");
+
+  puts ("done");
+
+  return 0;
+}
+
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"