Attachment 147119 Details for Bug 222445 – Only let one status check thread exist.

[patch] Only let one status check thread exist.

rgmanager-222445.patch (text/plain), 1.10 KB, created by Lon Hohberger on 2007-02-01 17:10:57 UTC

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Creator: Lon Hohberger

Created: 2007-02-01 17:10:57 UTC

Size: 1.10 KB

patch

obsolete

>### Eclipse Workspace Patch 1.0
>#P cluster-RHEL5
>Index: rgmanager/src/daemons/groups.c
>===================================================================
>RCS file: /cvs/cluster/cluster/rgmanager/src/daemons/groups.c,v
>retrieving revision 1.25.2.1
>diff -u -r1.25.2.1 groups.c
>--- rgmanager/src/daemons/groups.c	18 Dec 2006 21:48:48 -0000	1.25.2.1
>+++ rgmanager/src/daemons/groups.c	1 Feb 2007 17:10:34 -0000
>@@ -44,6 +44,7 @@
> static fod_t *_domains = NULL;
> 
> pthread_mutex_t config_mutex = PTHREAD_MUTEX_INITIALIZER;
>+pthread_mutex_t status_mutex = PTHREAD_MUTEX_INITIALIZER;
> pthread_rwlock_t resource_lock = PTHREAD_RWLOCK_INITIALIZER;
> 
> void res_build_name(char *, size_t, resource_t *);
>@@ -991,6 +992,10 @@
> 	resource_node_t *curr;
> 	rg_state_t svcblk;
> 	char rg[64];
>+	
>+	/* Only one status thread at a time, please! */
>+	if (pthread_mutex_trylock(&status_mutex) != 0)
>+		return NULL;
> 
> 	pthread_rwlock_rdlock(&resource_lock);
> 	list_do(&_tree, curr) {
>@@ -1013,6 +1018,7 @@
> 	} while (!list_done(&_tree, curr));
> 
> 	pthread_rwlock_unlock(&resource_lock);
>+	pthread_mutex_unlock(&status_mutex);
> 
> 	return NULL;
> }

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Attachments on bug 222445: 145486 | 147119