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messages_ctdbd: make sure a ctdbd connection is only used in the process that created it

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metze
This commit is contained in:
Stefan Metzmacher 2008-04-15 01:18:06 +02:00
parent e1abff3014
commit 259786980a
1 changed files with 11 additions and 1 deletions
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12
source/lib/messages_ctdbd.c
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@ -35,10 +35,18 @@ struct messaging_ctdbd_context {
* This is a Samba3 hack/optimization. Routines like process_exists need to
* talk to ctdbd, and they don't get handed a messaging context.
*/
struct ctdbd_connection *global_ctdbd_connection;
static struct ctdbd_connection *global_ctdbd_connection;
static int global_ctdb_connection_pid;
struct ctdbd_connection *messaging_ctdbd_connection(void)
{
if (global_ctdb_connection_pid != getpid()) {
DEBUG(0,("messaging_ctdbd_connection():"
"valid for pid[%d] but it's [%d]\n",
global_ctdb_connection_pid, getpid()));
smb_panic("messaging_ctdbd_connection() invalid process\n");
}
return global_ctdbd_connection;
}
@ -66,6 +74,7 @@ static int messaging_ctdbd_destructor(struct messaging_ctdbd_context *ctx)
/*
* The global connection just went away
*/
global_ctdb_connection_pid = 0;
global_ctdbd_connection = NULL;
return 0;
}
@ -107,6 +116,7 @@ NTSTATUS messaging_ctdbd_init(struct messaging_context *msg_ctx,
return status;
}
global_ctdb_connection_pid = getpid();
global_ctdbd_connection = ctx->conn;
talloc_set_destructor(ctx, messaging_ctdbd_destructor);