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gdb/testsuite/

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Fix racy FAILs.
	* gdb.threads/fork-thread-pending.c (barrier): New variable.
	(thread_function, thread_forker): Call pthread_barrier_wait for it.
	(main): Call pthread_barrier_init for it.
This commit is contained in:
Jan Kratochvil
2011-12-26 21:37:17 +00:00
parent e809353af1
commit 18d19bd150
2 changed files with 15 additions and 0 deletions
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7
gdb/testsuite/ChangeLog
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@ -1,3 +1,10 @@
2011-12-26 Jan Kratochvil <jan.kratochvil@redhat.com>
Fix racy FAILs.
* gdb.threads/fork-thread-pending.c (barrier): New variable.
(thread_function, thread_forker): Call pthread_barrier_wait for it.
(main): Call pthread_barrier_init for it.
2011-12-26 Jan Kratochvil <jan.kratochvil@redhat.com> 2011-12-26 Jan Kratochvil <jan.kratochvil@redhat.com>
Fix double send_gdb leading to racy FAILs. Fix double send_gdb leading to racy FAILs.

8
gdb/testsuite/gdb.threads/fork-thread-pending.c
View File

@ -28,6 +28,7 @@
#define NUMTHREADS 10 #define NUMTHREADS 10
volatile int done = 0; volatile int done = 0;
static pthread_barrier_t barrier;
static void * static void *
start (void *arg) start (void *arg)
@ -45,6 +46,8 @@ thread_function (void *arg)
printf ("Thread <%d> executing\n", x); printf ("Thread <%d> executing\n", x);
pthread_barrier_wait (&barrier);
while (!done) while (!done)
usleep (100); usleep (100);
@ -62,6 +65,8 @@ thread_forker (void *arg)
printf ("Thread forker <%d> executing\n", x); printf ("Thread forker <%d> executing\n", x);
pthread_barrier_wait (&barrier);
switch ((pid = fork ())) switch ((pid = fork ()))
{ {
case -1: case -1:
@ -89,6 +94,9 @@ main (void)
int args[NUMTHREADS]; int args[NUMTHREADS];
int i, j; int i, j;
i = pthread_barrier_init (&barrier, NULL, NUMTHREADS);
assert (i == 0);
/* Create a few threads that do mostly nothing, and then one that /* Create a few threads that do mostly nothing, and then one that
forks. */ forks. */
for (j = 0; j < NUMTHREADS - 1; ++j) for (j = 0; j < NUMTHREADS - 1; ++j)