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Update channel drivers to use module referencing so that unloading them while in use will not result in crashes. (issue #8897 reported by junky)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@51788 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Joshua Colp
2007-01-23 22:46:31 +00:00
parent 2a37a53c57
commit 8f7ddbef0d
9 changed files with 20 additions and 89 deletions
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8
channels/chan_zap.c
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@@ -229,8 +229,6 @@ static int gendigittimeout = 8000;
/*! \brief How long to wait for an extra digit, if there is an ambiguous match */
static int matchdigittimeout = 3000;
static int usecnt = 0;
/*! \brief Protect the interface list (of zt_pvt's) */
AST_MUTEX_DEFINE_STATIC(iflock);
@@ -2703,8 +2701,7 @@ static int zt_hangup(struct ast_channel *ast)
p->oprmode = 0;
ast->tech_pvt = NULL;
ast_mutex_unlock(&p->lock);
ast_atomic_fetchadd_int(&usecnt, -1);
ast_update_use_count();
ast_module_unref(ast_module_info->self);
if (option_verbose > 2)
ast_verbose( VERBOSE_PREFIX_3 "Hungup '%s'\n", ast->name);
@@ -5324,8 +5321,7 @@ static struct ast_channel *zt_new(struct zt_pvt *i, int state, int startpbx, int
}
}
ast_atomic_fetchadd_int(&usecnt, 1);
ast_update_use_count();
ast_module_ref(ast_module_info->self);
return tmp;
}