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X-BeenThere: ltp@lists.linux.it X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux Test Project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Stephen Bertram via ltp Reply-To: Stephen Bertram Cc: Stephen Bertram Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-bounces+ltp=archiver.kernel.org@lists.linux.it Sender: "ltp" When run in parallel you can sometimes get the following error: TBROK: mq_open(/test_mqueue,194,0700,(nil)) failed: EEXIST (17) This change allows for unique queue names per process, when executed in parallel with -w #. --- testcases/kernel/syscalls/utils/mq.h | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/testcases/kernel/syscalls/utils/mq.h b/testcases/kernel/syscalls/utils/mq.h index da45d2daf..eb66328d5 100644 --- a/testcases/kernel/syscalls/utils/mq.h +++ b/testcases/kernel/syscalls/utils/mq.h @@ -12,9 +12,9 @@ #define MAX_MSGSIZE 8192 #define MSG_LENGTH 10 -#define QUEUE_NAME "/test_mqueue" -#define QUEUE_NAME_NONBLOCK "/test_mqueue_nonblock" +static char queue_name[64]; +static char queue_name_nonblock[64]; static char smsg[MAX_MSGSIZE]; static struct sigaction act; @@ -29,8 +29,8 @@ static void cleanup_common(void) if (fd_nonblock > 0) SAFE_CLOSE(fd_nonblock); - mq_unlink(QUEUE_NAME); - mq_unlink(QUEUE_NAME_NONBLOCK); + mq_unlink(queue_name); + mq_unlink(queue_name_nonblock); } static void sighandler(int sig LTP_ATTRIBUTE_UNUSED) { } @@ -39,14 +39,17 @@ static void setup_common(void) { int i; + snprintf(queue_name, sizeof(queue_name), "/test_mqueue_%d", getpid()); + snprintf(queue_name_nonblock, sizeof(queue_name_nonblock), "/test_mqueue_nonblock_%d", getpid()); + act.sa_handler = sighandler; sigaction(SIGINT, &act, NULL); cleanup_common(); fd_root = SAFE_OPEN("/", O_RDONLY); - fd = SAFE_MQ_OPEN(QUEUE_NAME, O_CREAT | O_EXCL | O_RDWR, 0700, NULL); - fd_nonblock = SAFE_MQ_OPEN(QUEUE_NAME_NONBLOCK, O_CREAT | O_EXCL | O_RDWR | + fd = SAFE_MQ_OPEN(queue_name, O_CREAT | O_EXCL | O_RDWR, 0700, NULL); + fd_nonblock = SAFE_MQ_OPEN(queue_name_nonblock, O_CREAT | O_EXCL | O_RDWR | O_NONBLOCK, 0700, NULL); for (i = 0; i < MAX_MSGSIZE; i++) -- 2.52.0 -- Mailing list info: https://lists.linux.it/listinfo/ltp