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Lock around variables retrieved, and copy the values, if they stay persistent,

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since another thread could remove them.
(closes issue #12541)
 Reported by: snuffy
 Patches: 
       bug_12156_apps.diff uploaded by snuffy (license 35)
       Several additional changes by me


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@114904 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Tilghman Lesher
2008-04-30 19:21:04 +00:00
parent 4c3aecfc55
commit 527c601d0c
10 changed files with 142 additions and 64 deletions
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7
apps/app_speech_utils.c
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@@ -559,9 +559,11 @@ static int speech_background(struct ast_channel *chan, void *data)
}
/* See if the maximum DTMF length variable is set... we use a variable in case they want to carry it through their entire dialplan */
if ((tmp2 = pbx_builtin_getvar_helper(chan, "SPEECH_DTMF_MAXLEN")) && !ast_strlen_zero(tmp2))
ast_channel_lock(chan);
if ((tmp2 = pbx_builtin_getvar_helper(chan, "SPEECH_DTMF_MAXLEN")) && !ast_strlen_zero(tmp2)) {
max_dtmf_len = atoi(tmp2);
}
/* See if a terminator is specified */
if ((tmp2 = pbx_builtin_getvar_helper(chan, "SPEECH_DTMF_TERMINATOR"))) {
if (ast_strlen_zero(tmp2))
@@ -569,6 +571,7 @@ static int speech_background(struct ast_channel *chan, void *data)
else
dtmf_terminator = tmp2[0];
}
ast_channel_unlock(chan);
/* Before we go into waiting for stuff... make sure the structure is ready, if not - start it again */
if (speech->state == AST_SPEECH_STATE_NOT_READY || speech->state == AST_SPEECH_STATE_DONE) {