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Merged revisions 127560 via svnmerge from 

https://origsvn.digium.com/svn/asterisk/branches/1.4

........
r127560 | mmichelson | 2008-07-02 15:47:38 -0500 (Wed, 02 Jul 2008) | 3 lines

Fix thread-safety of some of the pbx_builtin_getvar_helper calls


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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@127562 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Michelson 2008-07-02 20:49:08 +00:00
parent 953947b70b
commit 1d6573e8ef
1 changed files with 9 additions and 0 deletions
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9
channels/chan_agent.c
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@ -1859,6 +1859,7 @@ static int login_exec(struct ast_channel *chan, void *data)
ast_copy_string(agent_goodbye, agentgoodbye, sizeof(agent_goodbye));
ast_channel_lock(chan);
/* Set Channel Specific Login Overrides */
if (!ast_strlen_zero(pbx_builtin_getvar_helper(chan, "AGENTLMAXLOGINTRIES"))) {
max_login_tries = atoi(pbx_builtin_getvar_helper(chan, "AGENTMAXLOGINTRIES"));
@ -1880,6 +1881,7 @@ static int login_exec(struct ast_channel *chan, void *data)
tmpoptions=pbx_builtin_getvar_helper(chan, "AGENTGOODBYE");
ast_verb(3, "Saw variable AGENTGOODBYE=%s, setting agent_goodbye to: %s on Channel '%s'.\n",tmpoptions,agent_goodbye,chan->name);
}
ast_channel_unlock(chan);
/* End Channel Specific Login Overrides */
if (!ast_strlen_zero(args.options)) {
@ -1920,6 +1922,8 @@ static int login_exec(struct ast_channel *chan, void *data)
/* Check again for accuracy */
AST_LIST_LOCK(&agents);
AST_LIST_TRAVERSE(&agents, p, list) {
int unlock_channel = 1;
ast_channel_lock(chan);
ast_mutex_lock(&p->lock);
if (!strcmp(p->agent, user) &&
!strcmp(p->password, pass) && !p->pending) {
@ -1964,6 +1968,8 @@ static int login_exec(struct ast_channel *chan, void *data)
p->enddtmf = *tmpoptions;
ast_verb(3, "Saw variable AGENTENDDTMF=%s, setting enddtmf to: %c for Agent '%s'.\n", tmpoptions, p->enddtmf, p->agent);
}
ast_channel_unlock(chan);
unlock_channel = 0;
/* End Channel Specific Agent Overrides */
if (!p->chan) {
long logintime;
@ -2106,6 +2112,9 @@ static int login_exec(struct ast_channel *chan, void *data)
break;
}
ast_mutex_unlock(&p->lock);
if (unlock_channel) {
ast_channel_unlock(chan);
}
}
if (!p)
AST_LIST_UNLOCK(&agents);