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From: <sv...@va...> - 2008-11-14 19:43:50
|
Author: sewardj
Date: 2008-11-14 19:43:44 +0000 (Fri, 14 Nov 2008)
New Revision: 8768
Log:
Add some regression tests for pthread_barrier handling.
Added:
trunk/helgrind/tests/bar_bad.c
trunk/helgrind/tests/bar_bad.stderr.exp-glibc28-amd64
trunk/helgrind/tests/bar_bad.stdout.exp
trunk/helgrind/tests/bar_bad.vgtest
trunk/helgrind/tests/bar_trivial.c
trunk/helgrind/tests/bar_trivial.stderr.exp-glibc28-amd64
trunk/helgrind/tests/bar_trivial.stdout.exp
trunk/helgrind/tests/bar_trivial.vgtest
trunk/helgrind/tests/filter_threadnums
trunk/helgrind/tests/pth_barrier1.stderr.exp-glibc28-amd64
trunk/helgrind/tests/pth_barrier1.stdout.exp
trunk/helgrind/tests/pth_barrier1.vgtest
trunk/helgrind/tests/pth_barrier2.stderr.exp-glibc28-amd64
trunk/helgrind/tests/pth_barrier2.stdout.exp
trunk/helgrind/tests/pth_barrier2.vgtest
trunk/helgrind/tests/pth_barrier3.stderr.exp-glibc28-amd64
trunk/helgrind/tests/pth_barrier3.stdout.exp
trunk/helgrind/tests/pth_barrier3.vgtest
Modified:
trunk/helgrind/tests/Makefile.am
Modified: trunk/helgrind/tests/Makefile.am
===================================================================
--- trunk/helgrind/tests/Makefile.am 2008-11-14 19:41:19 UTC (rev 8767)
+++ trunk/helgrind/tests/Makefile.am 2008-11-14 19:43:44 UTC (rev 8768)
@@ -2,9 +2,13 @@
# For AM_FLAG_M3264_PRI
include $(top_srcdir)/Makefile.flags.am
-noinst_SCRIPTS = filter_stderr
+noinst_SCRIPTS = filter_stderr filter_threadnums
EXTRA_DIST = $(noinst_SCRIPTS) \
+ bar_bad.vgtest bar_bad.stdout.exp \
+ bar_bad.stderr.exp-glibc28-amd64 \
+ bar_trivial.vgtest bar_trivial.stdout.exp \
+ bar_trivial.stderr.exp-glibc28-amd64 \
hg01_all_ok.vgtest hg01_all_ok.stdout.exp \
hg01_all_ok.stderr.exp-glibc25-amd64 \
hg02_deadlock.vgtest hg02_deadlock.stdout.exp \
@@ -21,6 +25,12 @@
hg05_race2.stderr.exp-glibc25-x86 \
hg06_readshared.vgtest hg06_readshared.stdout.exp \
hg06_readshared.stderr.exp-glibc25-amd64 \
+ pth_barrier1.vgtest pth_barrier1.stdout.exp \
+ pth_barrier1.stderr.exp-glibc28-amd64 \
+ pth_barrier2.vgtest pth_barrier2.stdout.exp \
+ pth_barrier2.stderr.exp-glibc28-amd64 \
+ pth_barrier3.vgtest pth_barrier3.stdout.exp \
+ pth_barrier3.stderr.exp-glibc28-amd64 \
rwlock_race.vgtest rwlock_race.stdout.exp \
rwlock_race.stderr.exp-glibc25-amd64 \
rwlock_test.vgtest rwlock_test.stdout.exp \
@@ -93,12 +103,15 @@
tc24_nonzero_sem.stderr.exp-glibc25-amd64
check_PROGRAMS = \
+ bar_bad \
+ bar_trivial \
hg01_all_ok \
hg02_deadlock \
hg03_inherit \
hg04_race \
hg05_race2 \
hg06_readshared \
+ pth_barrier \
rwlock_race \
rwlock_test \
tc01_simple_race \
@@ -135,5 +148,6 @@
LDADD = -lpthread
# only needed because of referencing sources in drd/tests
+pth_barrier_SOURCES = ../../drd/tests/pth_barrier.c
rwlock_race_SOURCES = ../../drd/tests/rwlock_race.c
rwlock_test_SOURCES = ../../drd/tests/rwlock_test.c
Added: trunk/helgrind/tests/bar_bad.c
===================================================================
--- trunk/helgrind/tests/bar_bad.c (rev 0)
+++ trunk/helgrind/tests/bar_bad.c 2008-11-14 19:43:44 UTC (rev 8768)
@@ -0,0 +1,89 @@
+
+/* This program checks that Helgrind reports the five degenerate
+ uses of the barrier functions shown. */
+
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <unistd.h>
+#include <string.h>
+
+void* child1 ( void* arg )
+{
+ pthread_barrier_wait( (pthread_barrier_t*)arg );
+ return NULL;
+}
+
+int main ( void )
+{
+ pthread_barrier_t *bar1, *bar2, *bar3, *bar4, *bar5;
+ pthread_t thr1, thr2;
+ int r;
+
+ /* possibly set up a watchdog timer thread here. */
+
+
+
+
+
+
+
+
+
+
+
+ /* initialise a barrier with a zero count */
+ fprintf(stderr, "\ninitialise a barrier with zero count\n");
+ bar1 = malloc(sizeof(pthread_barrier_t));
+ pthread_barrier_init(bar1, NULL, 0);
+
+ /* initialise a barrier twice */
+ fprintf(stderr, "\ninitialise a barrier twice\n");
+ bar2 = malloc(sizeof(pthread_barrier_t));
+ pthread_barrier_init(bar2, NULL, 1);
+ pthread_barrier_init(bar2, NULL, 1);
+
+ /* initialise a barrier which has threads waiting on it.
+ This isn't too simple. */
+ fprintf(stderr, "\ninitialise a barrier which has threads waiting on it\n");
+ bar3 = malloc(sizeof(pthread_barrier_t));
+ pthread_barrier_init(bar3, NULL, 2);
+ /* create a thread, whose only purpose is to block on the barrier */
+ pthread_create(&thr1, NULL, child1, (void*)bar3);
+ /* guarantee that it gets there first */
+ sleep(1);
+ /* and now reinitialise */
+ pthread_barrier_init(bar3, NULL, 3);
+
+ /* destroy a barrier that has threads waiting at it */
+ fprintf(stderr, "\ndestroy a barrier that has waiting threads\n");
+ /* once again, create a thread, whose only purpose is to block. */
+ bar4 = malloc(sizeof(pthread_barrier_t));
+ pthread_barrier_init(bar4, NULL, 2);
+ /* create a thread, whose only purpose is to block on the barrier */
+ pthread_create(&thr2, NULL, child1, (void*)bar4);
+ /* guarantee that it gets there first */
+ sleep(1);
+ /* and now destroy */
+ pthread_barrier_destroy(bar4);
+
+ /* destroy a barrier that was never initialised. This is a bit
+ tricky, in that we have to fill the barrier with bytes which
+ ensure that the pthread_barrier_destroy call doesn't hang for
+ some reason. Zero-fill seems to work ok on amd64-linux (glibc
+ 2.8). */
+ fprintf(stderr, "\ndestroy a barrier that was never initialised\n");
+ bar5 = malloc(sizeof(pthread_barrier_t));
+ assert(bar5);
+ memset(bar5, 0, sizeof(*bar5));
+ pthread_barrier_destroy(bar5);
+
+ /* now we need to clean up the mess .. */
+ r= pthread_cancel(thr1); assert(!r);
+ r= pthread_cancel(thr2); assert(!r);
+
+ free(bar1); free(bar2); free(bar3); free(bar4); free(bar5);
+
+ return 0;
+}
Added: trunk/helgrind/tests/bar_bad.stderr.exp-glibc28-amd64
===================================================================
--- trunk/helgrind/tests/bar_bad.stderr.exp-glibc28-amd64 (rev 0)
+++ trunk/helgrind/tests/bar_bad.stderr.exp-glibc28-amd64 2008-11-14 19:43:44 UTC (rev 8768)
@@ -0,0 +1,45 @@
+
+initialise a barrier with zero count
+Thread #1 is the program's root thread
+
+Thread #1: pthread_barrier_init: 'count' argument is zero
+ at 0x........: pthread_barrier_init (hg_intercepts.c:...)
+ by 0x........: main (bar_bad.c:39)
+
+Thread #1's call to pthread_barrier_init failed
+ with error code 22 (EINVAL: Invalid argument)
+ at 0x........: pthread_barrier_init (hg_intercepts.c:...)
+ by 0x........: main (bar_bad.c:39)
+
+initialise a barrier twice
+
+Thread #1: pthread_barrier_init: barrier is already initialised
+ at 0x........: pthread_barrier_init (hg_intercepts.c:...)
+ by 0x........: main (bar_bad.c:45)
+
+initialise a barrier which has threads waiting on it
+
+Thread #1: pthread_barrier_init: barrier is already initialised
+ at 0x........: pthread_barrier_init (hg_intercepts.c:...)
+ by 0x........: main (bar_bad.c:57)
+
+Thread #1: pthread_barrier_init: threads are waiting at barrier
+ at 0x........: pthread_barrier_init (hg_intercepts.c:...)
+ by 0x........: main (bar_bad.c:57)
+
+destroy a barrier that has waiting threads
+
+Thread #1: pthread_barrier_destroy: threads are waiting at barrier
+ at 0x........: pthread_barrier_destroy (hg_intercepts.c:...)
+ by 0x........: main (bar_bad.c:69)
+
+Thread #1's call to pthread_barrier_destroy failed
+ with error code 16 (EBUSY: Device or resource busy)
+ at 0x........: pthread_barrier_destroy (hg_intercepts.c:...)
+ by 0x........: main (bar_bad.c:69)
+
+destroy a barrier that was never initialised
+
+Thread #1: pthread_barrier_destroy: barrier was never initialised
+ at 0x........: pthread_barrier_destroy (hg_intercepts.c:...)
+ by 0x........: main (bar_bad.c:80)
Added: trunk/helgrind/tests/bar_bad.stdout.exp
===================================================================
Added: trunk/helgrind/tests/bar_bad.vgtest
===================================================================
--- trunk/helgrind/tests/bar_bad.vgtest (rev 0)
+++ trunk/helgrind/tests/bar_bad.vgtest 2008-11-14 19:43:44 UTC (rev 8768)
@@ -0,0 +1,2 @@
+prog: bar_bad
+vgopts: -q
Added: trunk/helgrind/tests/bar_trivial.c
===================================================================
--- trunk/helgrind/tests/bar_trivial.c (rev 0)
+++ trunk/helgrind/tests/bar_trivial.c 2008-11-14 19:43:44 UTC (rev 8768)
@@ -0,0 +1,57 @@
+
+/* This is the most trivial test I could think of that involves
+ barriers. If H fails to notice the pthread_barrier_wait call then
+ it will report a race. Correct behaviour is not to report a race
+ (there isn't one.) */
+
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <unistd.h>
+
+int x = 0;
+
+pthread_barrier_t bar;
+
+void* child_fn ( void* arg )
+{
+ long r, n = (long)arg;
+
+ if (n == 1) x++;
+
+ r = pthread_barrier_wait(&bar);
+ assert(r == 0 || r == PTHREAD_BARRIER_SERIAL_THREAD);
+
+ if (n == 0) x++;
+
+ sleep(1); /* ensure both threads get to this point before
+ either exits. */
+ return NULL;
+}
+
+#define NTHR 2
+
+int main ( void )
+{
+ long i, r;
+ pthread_t thr[NTHR];
+
+ r = pthread_barrier_init(&bar, NULL, NTHR);
+ assert(!r);
+
+ for (i = 0; i < NTHR; i++) {
+ r = pthread_create(&thr[i], NULL, child_fn, (void*)i);
+ assert(!r);
+ }
+
+ for (i = 0; i < NTHR; i++) {
+ r = pthread_join(thr[i], NULL);
+ assert(!r);
+ }
+
+ r = pthread_barrier_destroy(&bar); assert(!r);
+
+ printf("x = %d\n", x);
+ return 0;
+}
Added: trunk/helgrind/tests/bar_trivial.stderr.exp-glibc28-amd64
===================================================================
Added: trunk/helgrind/tests/bar_trivial.stdout.exp
===================================================================
--- trunk/helgrind/tests/bar_trivial.stdout.exp (rev 0)
+++ trunk/helgrind/tests/bar_trivial.stdout.exp 2008-11-14 19:43:44 UTC (rev 8768)
@@ -0,0 +1 @@
+x = 2
Added: trunk/helgrind/tests/bar_trivial.vgtest
===================================================================
--- trunk/helgrind/tests/bar_trivial.vgtest (rev 0)
+++ trunk/helgrind/tests/bar_trivial.vgtest 2008-11-14 19:43:44 UTC (rev 8768)
@@ -0,0 +1,2 @@
+prog: bar_trivial
+vgopts: -q
Added: trunk/helgrind/tests/filter_threadnums
===================================================================
--- trunk/helgrind/tests/filter_threadnums (rev 0)
+++ trunk/helgrind/tests/filter_threadnums 2008-11-14 19:43:44 UTC (rev 8768)
@@ -0,0 +1,9 @@
+#! /bin/sh
+
+./filter_stderr |
+
+# get rid of the numbers in bits of text "Thread #n" and "thread #n"
+# as these make some tests more scheduling sensitive -- those where
+# there are multiple threads which play interchangeable roles.
+
+sed "s/hread #[0-9]*/hread #x/"
Property changes on: trunk/helgrind/tests/filter_threadnums
___________________________________________________________________
Name: svn:executable
+ *
Added: trunk/helgrind/tests/pth_barrier1.stderr.exp-glibc28-amd64
===================================================================
--- trunk/helgrind/tests/pth_barrier1.stderr.exp-glibc28-amd64 (rev 0)
+++ trunk/helgrind/tests/pth_barrier1.stderr.exp-glibc28-amd64 2008-11-14 19:43:44 UTC (rev 8768)
@@ -0,0 +1,26 @@
+Thread #x was created
+ at 0x........: clone (in /...libc...)
+ by 0x........: ...
+ by 0x........: pthread_create@GLIBC_ (in /lib/libpthread...)
+ by 0x........: pthread_create@* (hg_intercepts.c:...)
+ by 0x........: barriers_and_races (pth_barrier.c:84)
+ by 0x........: main (pth_barrier.c:107)
+
+Thread #x was created
+ at 0x........: clone (in /...libc...)
+ by 0x........: ...
+ by 0x........: pthread_create@GLIBC_ (in /lib/libpthread...)
+ by 0x........: pthread_create@* (hg_intercepts.c:...)
+ by 0x........: barriers_and_races (pth_barrier.c:84)
+ by 0x........: main (pth_barrier.c:107)
+
+Possible data race during write of size 4 at 0x........ by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+ This conflicts with a previous access by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
Added: trunk/helgrind/tests/pth_barrier1.stdout.exp
===================================================================
Added: trunk/helgrind/tests/pth_barrier1.vgtest
===================================================================
--- trunk/helgrind/tests/pth_barrier1.vgtest (rev 0)
+++ trunk/helgrind/tests/pth_barrier1.vgtest 2008-11-14 19:43:44 UTC (rev 8768)
@@ -0,0 +1,4 @@
+prog: pth_barrier
+args: 2 1 1
+vgopts: -q
+stderr_filter: ./filter_threadnums
Added: trunk/helgrind/tests/pth_barrier2.stderr.exp-glibc28-amd64
===================================================================
--- trunk/helgrind/tests/pth_barrier2.stderr.exp-glibc28-amd64 (rev 0)
+++ trunk/helgrind/tests/pth_barrier2.stderr.exp-glibc28-amd64 2008-11-14 19:43:44 UTC (rev 8768)
@@ -0,0 +1,367 @@
+Thread #x was created
+ at 0x........: clone (in /...libc...)
+ by 0x........: ...
+ by 0x........: pthread_create@GLIBC_ (in /lib/libpthread...)
+ by 0x........: pthread_create@* (hg_intercepts.c:...)
+ by 0x........: barriers_and_races (pth_barrier.c:84)
+ by 0x........: main (pth_barrier.c:107)
+
+Thread #x was created
+ at 0x........: clone (in /...libc...)
+ by 0x........: ...
+ by 0x........: pthread_create@GLIBC_ (in /lib/libpthread...)
+ by 0x........: pthread_create@* (hg_intercepts.c:...)
+ by 0x........: barriers_and_races (pth_barrier.c:84)
+ by 0x........: main (pth_barrier.c:107)
+
+Possible data race during write of size 4 at 0x........ by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+ This conflicts with a previous access by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+
+Possible data race during write of size 4 at 0x........ by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+ This conflicts with a previous access by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+
+Possible data race during write of size 4 at 0x........ by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+ This conflicts with a previous access by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+
+Possible data race during write of size 4 at 0x........ by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+ This conflicts with a previous access by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+
+Possible data race during write of size 4 at 0x........ by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+ This conflicts with a previous access by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+
+Possible data race during write of size 4 at 0x........ by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+ This conflicts with a previous access by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+
+Possible data race during write of size 4 at 0x........ by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+ This conflicts with a previous access by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+
+Possible data race during write of size 4 at 0x........ by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+ This conflicts with a previous access by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+
+Possible data race during write of size 4 at 0x........ by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+ This conflicts with a previous access by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+
+Possible data race during write of size 4 at 0x........ by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+ This conflicts with a previous access by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+
+Possible data race during write of size 4 at 0x........ by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+ This conflicts with a previous access by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+
+Possible data race during write of size 4 at 0x........ by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+ This conflicts with a previous access by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+
+Possible data race during write of size 4 at 0x........ by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+ This conflicts with a previous access by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+
+Possible data race during write of size 4 at 0x........ by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+ This conflicts with a previous access by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+
+Possible data race during write of size 4 at 0x........ by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+ This conflicts with a previous access by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+
+Possible data race during write of size 4 at 0x........ by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+ This conflicts with a previous access by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+
+Possible data race during write of size 4 at 0x........ by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+ This conflicts with a previous access by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+
+Possible data race during write of size 4 at 0x........ by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+ This conflicts with a previous access by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+
+Possible data race during write of size 4 at 0x........ by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+ This conflicts with a previous access by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+
+Possible data race during write of size 4 at 0x........ by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+ This conflicts with a previous access by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+
+Possible data race during write of size 4 at 0x........ by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+ This conflicts with a previous access by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+
+Possible data race during write of size 4 at 0x........ by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+ This conflicts with a previous access by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+
+Possible data race during write of size 4 at 0x........ by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+ This conflicts with a previous access by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+
+Possible data race during write of size 4 at 0x........ by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+ This conflicts with a previous access by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+
+Possible data race during write of size 4 at 0x........ by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+ This conflicts with a previous access by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+
+Possible data race during write of size 4 at 0x........ by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+ This conflicts with a previous access by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+
+Possible data race during write of size 4 at 0x........ by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+ This conflicts with a previous access by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+
+Possible data race during write of size 4 at 0x........ by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+ This conflicts with a previous access by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+
+Possible data race during write of size 4 at 0x........ by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+ This conflicts with a previous access by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+
+Possible data race during write of size 4 at 0x........ by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+ This conflicts with a previous access by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+
+Possible data race during write of size 4 at 0x........ by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+ This conflicts with a previous access by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+
+Possible data race during write of size 4 at 0x........ by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+ This conflicts with a previous access by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
Added: trunk/helgrind/tests/pth_barrier2.stdout.exp
===================================================================
Added: trunk/helgrind/tests/pth_barrier2.vgtest
===================================================================
--- trunk/helgrind/tests/pth_barrier2.vgtest (rev 0)
+++ trunk/helgrind/tests/pth_barrier2.vgtest 2008-11-14 19:43:44 UTC (rev 8768)
@@ -0,0 +1,4 @@
+prog: pth_barrier
+args: 2 32 1
+vgopts: -q --cmp-race-err-addrs=yes
+stderr_filter: ./filter_threadnums
Added: trunk/helgrind/tests/pth_barrier3.stderr.exp-glibc28-amd64
===================================================================
--- trunk/helgrind/tests/pth_barrier3.stderr.exp-glibc28-amd64 (rev 0)
+++ trunk/helgrind/tests/pth_barrier3.stderr.exp-glibc28-amd64 2008-11-14 19:43:44 UTC (rev 8768)
@@ -0,0 +1,26 @@
+Thread #x was created
+ at 0x........: clone (in /...libc...)
+ by 0x........: ...
+ by 0x........: pthread_create@GLIBC_ (in /lib/libpthread...)
+ by 0x........: pthread_create@* (hg_intercepts.c:...)
+ by 0x........: barriers_and_races (pth_barrier.c:84)
+ by 0x........: main (pth_barrier.c:107)
+
+Thread #x was created
+ at 0x........: clone (in /...libc...)
+ by 0x........: ...
+ by 0x........: pthread_create@GLIBC_ (in /lib/libpthread...)
+ by 0x........: pthread_create@* (hg_intercepts.c:...)
+ by 0x........: barriers_and_races (pth_barrier.c:84)
+ by 0x........: main (pth_barrier.c:107)
+
+Possible data race during write of size 4 at 0x........ by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
+ This conflicts with a previous access by thread #x
+ at 0x........: threadfunc (pth_barrier.c:57)
+ by 0x........: mythread_wrapper (hg_intercepts.c:...)
+ by 0x........: ...
+ by 0x........: ...
Added: trunk/helgrind/tests/pth_barrier3.stdout.exp
===================================================================
Added: trunk/helgrind/tests/pth_barrier3.vgtest
===================================================================
--- trunk/helgrind/tests/pth_barrier3.vgtest (rev 0)
+++ trunk/helgrind/tests/pth_barrier3.vgtest 2008-11-14 19:43:44 UTC (rev 8768)
@@ -0,0 +1,4 @@
+prog: pth_barrier
+args: 32 1 1
+vgopts: -q
+stderr_filter: ./filter_threadnums
|
|
From: <sv...@va...> - 2008-11-14 19:41:26
|
Author: sewardj
Date: 2008-11-14 19:41:19 +0000 (Fri, 14 Nov 2008)
New Revision: 8767
Log:
Add a couple more tests for API errors in
evh__HG_PTHREAD_BARRIER_DESTROY_PRE.
Modified:
trunk/helgrind/hg_main.c
Modified: trunk/helgrind/hg_main.c
===================================================================
--- trunk/helgrind/hg_main.c 2008-11-13 13:33:09 UTC (rev 8766)
+++ trunk/helgrind/hg_main.c 2008-11-14 19:41:19 UTC (rev 8767)
@@ -2607,7 +2607,7 @@
if (bar->waiting && VG_(sizeXA)(bar->waiting) > 0) {
tl_assert(bar->initted);
HG_(record_error_Misc)(
- thr, "pthread_barrier_init: barrier still has waiting threads"
+ thr, "pthread_barrier_init: threads are waiting at barrier"
);
VG_(dropTailXA)(bar->waiting, VG_(sizeXA)(bar->waiting));
}
@@ -2626,6 +2626,9 @@
static void evh__HG_PTHREAD_BARRIER_DESTROY_PRE ( ThreadId tid,
void* barrier )
{
+ Thread* thr;
+ Bar* bar;
+
/* Deal with destroy events. The only purpose is to free storage
associated with the barrier, so as to avoid any possible
resource leaks. */
@@ -2634,6 +2637,24 @@
"(tid=%d, barrier=%p)\n",
(Int)tid, (void*)barrier );
+ thr = map_threads_maybe_lookup( tid );
+ tl_assert(thr); /* cannot fail - Thread* must already exist */
+
+ bar = map_barrier_to_Bar_lookup_or_alloc(barrier);
+ tl_assert(bar);
+
+ if (!bar->initted) {
+ HG_(record_error_Misc)(
+ thr, "pthread_barrier_destroy: barrier was never initialised"
+ );
+ }
+
+ if (bar->initted && bar->waiting && VG_(sizeXA)(bar->waiting) > 0) {
+ HG_(record_error_Misc)(
+ thr, "pthread_barrier_destroy: threads are waiting at barrier"
+ );
+ }
+
/* Maybe we shouldn't do this; just let it persist, so that when it
is reinitialised we don't need to do any dynamic memory
allocation? The downside is a potentially unlimited space leak,
@@ -2641,7 +2662,7 @@
at different locations. Note that if we do later move to the
don't-delete-it scheme, we need to mark the barrier as
uninitialised again since otherwise a later _init call will
- elicit a duplicate-init error. */
+ elicit a duplicate-init error. */
map_barrier_to_Bar_delete( barrier );
}
@@ -2685,10 +2706,10 @@
if (present < bar->size)
return;
- /* All the threads have arrived. Now do the Interesting bit. Get
+ /* All the threads have arrived. Now do the Interesting Bit. Get
a new synchronisation object and do a weak send to it from all
the participating threads. This makes its vector clocks be the
- join of all the individual thread's vector clocks. Then do a
+ join of all the individual threads' vector clocks. Then do a
strong receive from it back to all threads, so that their VCs
are a copy of it (hence are all equal to the join of their
original VCs.) */
|
|
From: Tom H. <th...@cy...> - 2008-11-14 04:11:07
|
Nightly build on alvis ( i686, Red Hat 7.3 ) started at 2008-11-14 03:15:10 GMT Results unchanged from 24 hours ago Checking out valgrind source tree ... done Configuring valgrind ... done Building valgrind ... done Running regression tests ... failed Regression test results follow == 369 tests, 84 stderr failures, 1 stdout failure, 29 post failures == exp-ptrcheck/tests/bad_percentify (stderr) exp-ptrcheck/tests/base (stderr) exp-ptrcheck/tests/ccc (stderr) exp-ptrcheck/tests/fp (stderr) exp-ptrcheck/tests/globalerr (stderr) exp-ptrcheck/tests/hackedbz2 (stderr) exp-ptrcheck/tests/hp_bounds (stderr) exp-ptrcheck/tests/hp_dangle (stderr) exp-ptrcheck/tests/justify (stderr) exp-ptrcheck/tests/partial_bad (stderr) exp-ptrcheck/tests/partial_good (stderr) exp-ptrcheck/tests/preen_invars (stderr) exp-ptrcheck/tests/pth_create (stderr) exp-ptrcheck/tests/pth_specific (stderr) exp-ptrcheck/tests/realloc (stderr) exp-ptrcheck/tests/stackerr (stderr) exp-ptrcheck/tests/strcpy (stderr) exp-ptrcheck/tests/supp (stderr) exp-ptrcheck/tests/tricky (stderr) exp-ptrcheck/tests/unaligned (stderr) exp-ptrcheck/tests/zero (stderr) helgrind/tests/hg01_all_ok (stderr) helgrind/tests/hg02_deadlock (stderr) helgrind/tests/hg03_inherit (stderr) helgrind/tests/hg04_race (stderr) helgrind/tests/hg05_race2 (stderr) helgrind/tests/hg06_readshared (stderr) helgrind/tests/rwlock_race (stderr) helgrind/tests/rwlock_test (stderr) helgrind/tests/tc01_simple_race (stderr) helgrind/tests/tc02_simple_tls (stderr) helgrind/tests/tc03_re_excl (stderr) helgrind/tests/tc04_free_lock (stderr) helgrind/tests/tc05_simple_race (stderr) helgrind/tests/tc06_two_races (stderr) helgrind/tests/tc07_hbl1 (stderr) helgrind/tests/tc08_hbl2 (stderr) helgrind/tests/tc09_bad_unlock (stderr) helgrind/tests/tc11_XCHG (stderr) helgrind/tests/tc12_rwl_trivial (stderr) helgrind/tests/tc14_laog_dinphils (stderr) helgrind/tests/tc16_byterace (stderr) helgrind/tests/tc17_sembar (stderr) helgrind/tests/tc18_semabuse (stderr) helgrind/tests/tc19_shadowmem (stderr) helgrind/tests/tc20_verifywrap (stderr) helgrind/tests/tc21_pthonce (stderr) helgrind/tests/tc22_exit_w_lock (stderr) helgrind/tests/tc23_bogus_condwait (stderr) helgrind/tests/tc24_nonzero_sem (stderr) massif/tests/alloc-fns-A (post) massif/tests/alloc-fns-B (post) massif/tests/basic (post) massif/tests/basic2 (post) massif/tests/big-alloc (post) massif/tests/culling1 (stderr) massif/tests/culling2 (stderr) massif/tests/custom_alloc (post) massif/tests/deep-A (post) massif/tests/deep-B (stderr) massif/tests/deep-B (post) massif/tests/deep-C (stderr) massif/tests/deep-C (post) massif/tests/deep-D (post) massif/tests/ignoring (post) massif/tests/insig (post) massif/tests/long-names (post) massif/tests/long-time (post) massif/tests/new-cpp (post) massif/tests/null (post) massif/tests/one (post) massif/tests/overloaded-new (post) massif/tests/peak (post) massif/tests/peak2 (stderr) massif/tests/peak2 (post) massif/tests/realloc (stderr) massif/tests/realloc (post) massif/tests/thresholds_0_0 (post) massif/tests/thresholds_0_10 (post) massif/tests/thresholds_10_0 (post) massif/tests/thresholds_10_10 (post) massif/tests/thresholds_5_0 (post) massif/tests/thresholds_5_10 (post) massif/tests/zero1 (post) massif/tests/zero2 (post) memcheck/tests/leak-0 (stderr) memcheck/tests/leak-cycle (stderr) memcheck/tests/leak-regroot (stderr) memcheck/tests/leak-tree (stderr) memcheck/tests/long_namespace_xml (stderr) memcheck/tests/malloc_free_fill (stderr) memcheck/tests/mismatches (stderr) memcheck/tests/origin1-yes (stderr) memcheck/tests/origin4-many (stderr) memcheck/tests/origin5-bz2 (stderr) memcheck/tests/pointer-trace (stderr) memcheck/tests/stack_changes (stderr) memcheck/tests/varinfo1 (stderr) memcheck/tests/varinfo2 (stderr) memcheck/tests/varinfo3 (stderr) memcheck/tests/varinfo4 (stderr) memcheck/tests/varinfo5 (stderr) memcheck/tests/varinfo6 (stderr) memcheck/tests/x86/bug152022 (stderr) memcheck/tests/x86/scalar (stderr) memcheck/tests/x86/scalar_supp (stderr) memcheck/tests/x86/xor-undef-x86 (stderr) memcheck/tests/xml1 (stderr) none/tests/blockfault (stderr) none/tests/mremap2 (stdout) none/tests/shell (stderr) none/tests/shell_valid1 (stderr) none/tests/shell_valid2 (stderr) none/tests/shell_valid3 (stderr) |
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From: Tom H. <th...@cy...> - 2008-11-14 03:59:36
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Nightly build on lloyd ( x86_64, Fedora 7 ) started at 2008-11-14 03:05:07 GMT Results unchanged from 24 hours ago Checking out valgrind source tree ... done Configuring valgrind ... done Building valgrind ... done Running regression tests ... failed Regression test results follow == 464 tests, 20 stderr failures, 0 stdout failures, 0 post failures == exp-ptrcheck/tests/base (stderr) exp-ptrcheck/tests/ccc (stderr) exp-ptrcheck/tests/preen_invars (stderr) exp-ptrcheck/tests/pth_create (stderr) exp-ptrcheck/tests/pth_specific (stderr) helgrind/tests/hg03_inherit (stderr) helgrind/tests/hg04_race (stderr) helgrind/tests/hg05_race2 (stderr) helgrind/tests/rwlock_race (stderr) helgrind/tests/tc01_simple_race (stderr) helgrind/tests/tc05_simple_race (stderr) helgrind/tests/tc06_two_races (stderr) helgrind/tests/tc09_bad_unlock (stderr) helgrind/tests/tc16_byterace (stderr) helgrind/tests/tc19_shadowmem (stderr) helgrind/tests/tc20_verifywrap (stderr) helgrind/tests/tc21_pthonce (stderr) helgrind/tests/tc22_exit_w_lock (stderr) memcheck/tests/x86/scalar (stderr) none/tests/blockfault (stderr) |
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From: Tom H. <th...@cy...> - 2008-11-14 03:52:01
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Nightly build on trojan ( x86_64, Fedora Core 6 ) started at 2008-11-14 03:25:05 GMT Results unchanged from 24 hours ago Checking out valgrind source tree ... done Configuring valgrind ... done Building valgrind ... done Running regression tests ... failed Regression test results follow == 468 tests, 20 stderr failures, 4 stdout failures, 0 post failures == exp-ptrcheck/tests/ccc (stderr) exp-ptrcheck/tests/preen_invars (stderr) exp-ptrcheck/tests/pth_create (stderr) exp-ptrcheck/tests/pth_specific (stderr) helgrind/tests/hg03_inherit (stderr) helgrind/tests/hg04_race (stderr) helgrind/tests/hg05_race2 (stderr) helgrind/tests/rwlock_race (stderr) helgrind/tests/tc01_simple_race (stderr) helgrind/tests/tc05_simple_race (stderr) helgrind/tests/tc06_two_races (stderr) helgrind/tests/tc09_bad_unlock (stderr) helgrind/tests/tc16_byterace (stderr) helgrind/tests/tc19_shadowmem (stderr) helgrind/tests/tc20_verifywrap (stderr) helgrind/tests/tc21_pthonce (stderr) helgrind/tests/tc22_exit_w_lock (stderr) memcheck/tests/x86/bug133694 (stdout) memcheck/tests/x86/bug133694 (stderr) memcheck/tests/x86/scalar (stderr) none/tests/blockfault (stderr) none/tests/cmdline1 (stdout) none/tests/cmdline2 (stdout) none/tests/mremap2 (stdout) |