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| author | H.J. Lu <hjl.tools@gmail.com> | 2020-10-15 10:59:04 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2020-10-15 13:51:15 -0700 |
| commit | 9030377480effce89f382499ff47a22467112436 (patch) | |
| tree | 79cb870b23ce65572fceb699e9acd65db36fda7c /rt/tst-shm-cancel.c | |
| parent | 602da9de696099f543ee2bb3c1520bc178f42fc9 (diff) | |
| download | glibc-9030377480effce89f382499ff47a22467112436.tar.gz glibc-9030377480effce89f382499ff47a22467112436.tar.xz glibc-9030377480effce89f382499ff47a22467112436.zip | |
shm tests: Append PID to names passed to shm_open [BZ #26737]
Append PID to names passed to shm_open in shm tests to avoid random FAIL: rt/tst-shm-cancel FAIL: rt/tst-shm due to the same name passed to shm_open and shm_unlink when more than one "make check" running in parallel on the same machine. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Diffstat (limited to 'rt/tst-shm-cancel.c')
| -rw-r--r-- | rt/tst-shm-cancel.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/rt/tst-shm-cancel.c b/rt/tst-shm-cancel.c index e787229ab2..67d8ce86d5 100644 --- a/rt/tst-shm-cancel.c +++ b/rt/tst-shm-cancel.c @@ -26,7 +26,14 @@ #include <stdlib.h> static sem_t sem; /* Use to sync with thread start. */ -static const char shm_name[] = "/glibc-shm_open-cancel"; +static char shm_name[sizeof "/glibc-shm_open-cancel-" + sizeof (pid_t) * 3]; + +static void +init_shm_name (void) +{ + snprintf (shm_name, sizeof (shm_name), "/glibc-shm_open-cancel-%u", + getpid ()); +} static void remove_shm (int status, void *arg) @@ -86,6 +93,8 @@ do_test (void) { pthread_t td; + init_shm_name (); + if (sem_init (&sem, 0, 0)) { printf ("error: sem_init failed: %m\n"); |