Version 0.1.8 from FTP
git-svn-id: http://svn.digium.com/svn/asterisk/trunk@281 f38db490-d61c-443f-a65b-d21fe96a405b
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@ -27,7 +27,7 @@ int usecount(void); /* How many channels provided by this module are in use? *
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char *description(void); /* Description of this module */
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char *key(void); /* Return the below mentioned key, unmodified */
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int reload(void);
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int reload(void); /* reload configs */
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#define ASTERISK_GPL_KEY \
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"This paragraph is Copyright (C) 2000, Linux Support Services, Inc. \
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@ -61,6 +61,9 @@ int ast_loader_register(int (*updater)(void));
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/* No longer run me when modules are updated */
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int ast_loader_unregister(int (*updater)(void));
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/* Reload all modules */
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void ast_module_reload(void);
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/* Local user routines keep track of which channels are using a given module resource.
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They can help make removing modules safer, particularly if they're in use at the time
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they have been requested to be removed */
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55
loader.c
55
loader.c
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@ -20,6 +20,7 @@
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#include <asterisk/options.h>
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#include <asterisk/config.h>
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#include <asterisk/logger.h>
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#include <asterisk/channel.h>
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#include <dlfcn.h>
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#include <asterisk/md5.h>
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#define __USE_GNU
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@ -93,7 +94,7 @@ int ast_unload_resource(char *resource_name, int force)
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{
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struct module *m, *ml = NULL;
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int res = -1;
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if (pthread_mutex_lock(&modlock))
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if (ast_pthread_mutex_lock(&modlock))
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ast_log(LOG_WARNING, "Failed to lock\n");
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m = module_list;
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while(m) {
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@ -103,7 +104,7 @@ int ast_unload_resource(char *resource_name, int force)
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ast_log(LOG_WARNING, "Warning: Forcing removal of module %s with use count %d\n", resource_name, res);
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else {
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ast_log(LOG_WARNING, "Soft unload failed, '%s' has use count %d\n", resource_name, res);
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pthread_mutex_unlock(&modlock);
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ast_pthread_mutex_unlock(&modlock);
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return -1;
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}
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}
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@ -111,7 +112,7 @@ int ast_unload_resource(char *resource_name, int force)
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if (res) {
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ast_log(LOG_WARNING, "Firm unload failed for %s\n", resource_name);
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if (force <= AST_FORCE_FIRM) {
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pthread_mutex_unlock(&modlock);
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ast_pthread_mutex_unlock(&modlock);
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return -1;
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} else
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ast_log(LOG_WARNING, "** Dangerous **: Unloading resource anyway, at user request\n");
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@ -126,11 +127,27 @@ int ast_unload_resource(char *resource_name, int force)
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ml = m;
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m = m->next;
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}
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pthread_mutex_unlock(&modlock);
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ast_pthread_mutex_unlock(&modlock);
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ast_update_use_count();
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return res;
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}
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void ast_module_reload(void)
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{
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struct module *m;
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ast_pthread_mutex_lock(&modlock);
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m = module_list;
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while(m) {
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if (m->reload) {
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if (option_verbose > 2)
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ast_verbose(VERBOSE_PREFIX_3 "Reloading module '%s' (%s)\n", m->resource, m->description());
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m->reload();
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}
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m = m->next;
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}
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ast_pthread_mutex_unlock(&modlock);
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}
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int ast_load_resource(char *resource_name)
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{
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static char fn[256];
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@ -154,13 +171,13 @@ int ast_load_resource(char *resource_name)
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ast_destroy(cfg);
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}
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if (pthread_mutex_lock(&modlock))
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if (ast_pthread_mutex_lock(&modlock))
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ast_log(LOG_WARNING, "Failed to lock\n");
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m = module_list;
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while(m) {
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if (!strcasecmp(m->resource, resource_name)) {
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ast_log(LOG_WARNING, "Module '%s' already exists\n", resource_name);
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pthread_mutex_unlock(&modlock);
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ast_pthread_mutex_unlock(&modlock);
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return -1;
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}
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m = m->next;
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@ -168,7 +185,7 @@ int ast_load_resource(char *resource_name)
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m = malloc(sizeof(struct module));
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if (!m) {
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ast_log(LOG_WARNING, "Out of memory\n");
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pthread_mutex_unlock(&modlock);
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ast_pthread_mutex_unlock(&modlock);
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return -1;
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}
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strncpy(m->resource, resource_name, sizeof(m->resource));
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@ -181,7 +198,7 @@ int ast_load_resource(char *resource_name)
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if (!m->lib) {
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ast_log(LOG_WARNING, "%s\n", dlerror());
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free(m);
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pthread_mutex_unlock(&modlock);
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ast_pthread_mutex_unlock(&modlock);
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return -1;
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}
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m->load_module = dlsym(m->lib, "load_module");
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@ -223,7 +240,7 @@ int ast_load_resource(char *resource_name)
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ast_log(LOG_WARNING, "%d error(s) loading module %s, aborted\n", errors, fn);
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dlclose(m->lib);
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free(m);
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pthread_mutex_unlock(&modlock);
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ast_pthread_mutex_unlock(&modlock);
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return -1;
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}
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if (!fully_booted) {
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@ -238,7 +255,7 @@ int ast_load_resource(char *resource_name)
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m->next = module_list;
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module_list = m;
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pthread_mutex_unlock(&modlock);
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ast_pthread_mutex_unlock(&modlock);
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if ((res = m->load_module())) {
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ast_log(LOG_WARNING, "%s: load_module failed, returning %d\n", m->resource, res);
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ast_unload_resource(resource_name, 0);
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@ -251,7 +268,7 @@ int ast_load_resource(char *resource_name)
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static int ast_resource_exists(char *resource)
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{
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struct module *m;
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if (pthread_mutex_lock(&modlock))
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if (ast_pthread_mutex_lock(&modlock))
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ast_log(LOG_WARNING, "Failed to lock\n");
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m = module_list;
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while(m) {
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@ -259,7 +276,7 @@ static int ast_resource_exists(char *resource)
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break;
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m = m->next;
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}
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pthread_mutex_unlock(&modlock);
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ast_pthread_mutex_unlock(&modlock);
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if (m)
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return -1;
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else
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@ -352,14 +369,14 @@ void ast_update_use_count(void)
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/* Notify any module monitors that the use count for a
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resource has changed */
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struct loadupdate *m;
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if (pthread_mutex_lock(&modlock))
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if (ast_pthread_mutex_lock(&modlock))
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ast_log(LOG_WARNING, "Failed to lock\n");
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m = updaters;
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while(m) {
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m->updater();
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m = m->next;
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}
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pthread_mutex_unlock(&modlock);
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ast_pthread_mutex_unlock(&modlock);
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}
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@ -375,7 +392,7 @@ int ast_update_module_list(int (*modentry)(char *module, char *description, int
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m = m->next;
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}
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if (unlock)
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pthread_mutex_unlock(&modlock);
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ast_pthread_mutex_unlock(&modlock);
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return 0;
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}
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@ -385,11 +402,11 @@ int ast_loader_register(int (*v)(void))
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/* XXX Should be more flexible here, taking > 1 verboser XXX */
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if ((tmp = malloc(sizeof (struct loadupdate)))) {
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tmp->updater = v;
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if (pthread_mutex_lock(&modlock))
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if (ast_pthread_mutex_lock(&modlock))
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ast_log(LOG_WARNING, "Failed to lock\n");
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tmp->next = updaters;
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updaters = tmp;
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pthread_mutex_unlock(&modlock);
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ast_pthread_mutex_unlock(&modlock);
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return 0;
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}
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return -1;
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@ -399,7 +416,7 @@ int ast_loader_unregister(int (*v)(void))
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{
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int res = -1;
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struct loadupdate *tmp, *tmpl=NULL;
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if (pthread_mutex_lock(&modlock))
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if (ast_pthread_mutex_lock(&modlock))
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ast_log(LOG_WARNING, "Failed to lock\n");
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tmp = updaters;
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while(tmp) {
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@ -415,6 +432,6 @@ int ast_loader_unregister(int (*v)(void))
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}
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if (tmp)
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res = 0;
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pthread_mutex_unlock(&modlock);
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ast_pthread_mutex_unlock(&modlock);
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return res;
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}
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