From ddc5e300f2d4ee322d9fca9da65c0cdcc2fab3e9 Mon Sep 17 00:00:00 2001
From: "Christopher J. Morrone" <morrone2@llnl.gov>
Date: Fri, 19 Aug 2005 22:47:04 +0000
Subject: [PATCH] Add IPC_EXCL to elan shmget
---
src/plugins/switch/elan/qsw.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/plugins/switch/elan/qsw.c b/src/plugins/switch/elan/qsw.c
index 72538b521c9..9b726914971 100644
--- a/src/plugins/switch/elan/qsw.c
+++ b/src/plugins/switch/elan/qsw.c
@@ -905,7 +905,8 @@ _qsw_shmem_create (qsw_jobinfo_t jobinfo, uid_t uid)
if (pgsize < 8192)
pgsize = 8192;
- if ((shmid = shmget (key, pgsize * (maxLocal + 1), IPC_CREAT)) < 0)
+ if ((shmid = shmget (key, pgsize * (maxLocal + 1), IPC_CREAT|IPC_EXCL))
+ < 0)
return (error ("Failed to create Elan state shmem: %m"));
/* Ensure permissions on segment allow user read/write access
--
GitLab