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GET /api/patches/2194794/?format=api
{ "id": 2194794, "url": "http://patchwork.ozlabs.org/api/patches/2194794/?format=api", "web_url": "http://patchwork.ozlabs.org/project/ltp/patch/20260209234418.2810671-1-sbertram@redhat.com/", "project": { "id": 59, "url": "http://patchwork.ozlabs.org/api/projects/59/?format=api", "name": "Linux Test Project development", "link_name": "ltp", "list_id": "ltp.lists.linux.it", "list_email": "ltp@lists.linux.it", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260209234418.2810671-1-sbertram@redhat.com>", "list_archive_url": null, "date": "2026-02-09T23:44:05", "name": "[v1] mq_timedreceive01: fails sometimes with EEXIST.", "commit_ref": null, "pull_url": null, "state": "needs-review-ack", "archived": false, "hash": "c899bce54d31e0c36da686ef8c39c5086a97cdb6", "submitter": { "id": 92040, "url": "http://patchwork.ozlabs.org/api/people/92040/?format=api", "name": "Stephen Bertram", "email": "sbertram@redhat.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/ltp/patch/20260209234418.2810671-1-sbertram@redhat.com/mbox/", "series": [ { "id": 491581, "url": "http://patchwork.ozlabs.org/api/series/491581/?format=api", "web_url": "http://patchwork.ozlabs.org/project/ltp/list/?series=491581", "date": "2026-02-09T23:44:05", "name": "[v1] mq_timedreceive01: fails sometimes with EEXIST.", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/491581/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2194794/comments/", "check": "success", "checks": "http://patchwork.ozlabs.org/api/patches/2194794/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<ltp-bounces+incoming=patchwork.ozlabs.org@lists.linux.it>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "ltp@lists.linux.it" ], "Delivered-To": [ "patchwork-incoming@legolas.ozlabs.org", "ltp@picard.linux.it" ], "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=lists.linux.it header.i=@lists.linux.it\n header.a=rsa-sha256 header.s=picard header.b=abwG06q3;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 header.b=Vg0WVpI0;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.linux.it\n (client-ip=2001:1418:10:5::2; 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charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Errors-To": "ltp-bounces+incoming=patchwork.ozlabs.org@lists.linux.it", "Sender": "\"ltp\" <ltp-bounces+incoming=patchwork.ozlabs.org@lists.linux.it>" }, "content": "When run in parallel you can sometimes get the following error:\nTBROK: mq_open(/test_mqueue,194,0700,(nil)) failed: EEXIST (17)\n\nThis change allows for unique queue names per\nprocess, when executed in parallel with -w #.\n---\n testcases/kernel/syscalls/utils/mq.h | 15 +++++++++------\n 1 file changed, 9 insertions(+), 6 deletions(-)", "diff": "diff --git a/testcases/kernel/syscalls/utils/mq.h b/testcases/kernel/syscalls/utils/mq.h\nindex da45d2daf..eb66328d5 100644\n--- a/testcases/kernel/syscalls/utils/mq.h\n+++ b/testcases/kernel/syscalls/utils/mq.h\n@@ -12,9 +12,9 @@\n \n #define MAX_MSGSIZE\t8192\n #define MSG_LENGTH\t10\n-#define QUEUE_NAME\t\"/test_mqueue\"\n-#define QUEUE_NAME_NONBLOCK\t\"/test_mqueue_nonblock\"\n \n+static char queue_name[64];\n+static char queue_name_nonblock[64];\n static char smsg[MAX_MSGSIZE];\n static struct sigaction act;\n \n@@ -29,8 +29,8 @@ static void cleanup_common(void)\n \tif (fd_nonblock > 0)\n \t\tSAFE_CLOSE(fd_nonblock);\n \n-\tmq_unlink(QUEUE_NAME);\n-\tmq_unlink(QUEUE_NAME_NONBLOCK);\n+\tmq_unlink(queue_name);\n+\tmq_unlink(queue_name_nonblock);\n }\n \n static void sighandler(int sig LTP_ATTRIBUTE_UNUSED) { }\n@@ -39,14 +39,17 @@ static void setup_common(void)\n {\n \tint i;\n \n+\tsnprintf(queue_name, sizeof(queue_name), \"/test_mqueue_%d\", getpid());\n+\tsnprintf(queue_name_nonblock, sizeof(queue_name_nonblock), \"/test_mqueue_nonblock_%d\", getpid());\n+\n \tact.sa_handler = sighandler;\n \tsigaction(SIGINT, &act, NULL);\n \n \tcleanup_common();\n \n \tfd_root = SAFE_OPEN(\"/\", O_RDONLY);\n-\tfd = SAFE_MQ_OPEN(QUEUE_NAME, O_CREAT | O_EXCL | O_RDWR, 0700, NULL);\n-\tfd_nonblock = SAFE_MQ_OPEN(QUEUE_NAME_NONBLOCK, O_CREAT | O_EXCL | O_RDWR |\n+\tfd = SAFE_MQ_OPEN(queue_name, O_CREAT | O_EXCL | O_RDWR, 0700, NULL);\n+\tfd_nonblock = SAFE_MQ_OPEN(queue_name_nonblock, O_CREAT | O_EXCL | O_RDWR |\n \t\tO_NONBLOCK, 0700, NULL);\n \n \tfor (i = 0; i < MAX_MSGSIZE; i++)\n", "prefixes": [ "v1" ] }