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Prevent unload of modules which implement an Optional API.

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Once an Optional API module is loaded it should stay loaded.  Unloading
an optional API module runs the risk of a crash if something else is
using it.  This patch causes all optional API providers to tell the
module loader not to unload except at shutdown.

ASTERISK-27389

Change-Id: Ia07786fe655681aec49cc8d3d96e06483b11f5e6
This commit is contained in:
Corey Farrell
2017-11-01 20:46:11 -04:00
parent 64f1294ef2
commit 79f111e1f3
7 changed files with 26 additions and 0 deletions
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5
funcs/func_periodic_hook.c
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@@ -488,6 +488,11 @@ static int load_module(void)
res = ast_custom_function_register_escalating(&hook_function, AST_CFE_BOTH);
if (!res) {
/* For Optional API. */
ast_module_shutdown_ref(AST_MODULE_SELF);
}
return res ? AST_MODULE_LOAD_DECLINE : AST_MODULE_LOAD_SUCCESS;
}