Asterisk
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asterisk
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Version 0.1.8 from FTP

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@281 65c4cc65-6c06-0410-ace0-fbb531ad65f3
1.0
Mark Spencer 24 years ago
parent 801db5a7ba
commit 0c0a2993e4
2 changed files with 40 additions and 20 deletions
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5
include/asterisk/module.h
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@ -27,7 +27,7 @@ int usecount(void); /* How many channels provided by this module are in use? *
char *description(void); /* Description of this module */
char *key(void); /* Return the below mentioned key, unmodified */
int reload(void);
int reload(void); /* reload configs */
#define ASTERISK_GPL_KEY \
"This paragraph is Copyright (C) 2000, Linux Support Services, Inc. \
@ -61,6 +61,9 @@ int ast_loader_register(int (*updater)(void));
/* No longer run me when modules are updated */
int ast_loader_unregister(int (*updater)(void));
/* Reload all modules */
void ast_module_reload(void);
/* Local user routines keep track of which channels are using a given module resource.
They can help make removing modules safer, particularly if they're in use at the time
they have been requested to be removed */

55
loader.c
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@ -20,6 +20,7 @@
#include <asterisk/options.h>
#include <asterisk/config.h>
#include <asterisk/logger.h>
#include <asterisk/channel.h>
#include <dlfcn.h>
#include <asterisk/md5.h>
#define __USE_GNU
@ -93,7 +94,7 @@ int ast_unload_resource(char *resource_name, int force)
{
struct module *m, *ml = NULL;
int res = -1;
if (pthread_mutex_lock(&modlock))
if (ast_pthread_mutex_lock(&modlock))
ast_log(LOG_WARNING, "Failed to lock\n");
m = module_list;
while(m) {
@ -103,7 +104,7 @@ int ast_unload_resource(char *resource_name, int force)
ast_log(LOG_WARNING, "Warning: Forcing removal of module %s with use count %d\n", resource_name, res);
else {
ast_log(LOG_WARNING, "Soft unload failed, '%s' has use count %d\n", resource_name, res);
pthread_mutex_unlock(&modlock);
ast_pthread_mutex_unlock(&modlock);
return -1;
}
}
@ -111,7 +112,7 @@ int ast_unload_resource(char *resource_name, int force)
if (res) {
ast_log(LOG_WARNING, "Firm unload failed for %s\n", resource_name);
if (force <= AST_FORCE_FIRM) {
pthread_mutex_unlock(&modlock);
ast_pthread_mutex_unlock(&modlock);
return -1;
} else
ast_log(LOG_WARNING, "** Dangerous **: Unloading resource anyway, at user request\n");
@ -126,11 +127,27 @@ int ast_unload_resource(char *resource_name, int force)
ml = m;
m = m->next;
}
pthread_mutex_unlock(&modlock);
ast_pthread_mutex_unlock(&modlock);
ast_update_use_count();
return res;
}
void ast_module_reload(void)
{
struct module *m;
ast_pthread_mutex_lock(&modlock);
m = module_list;
while(m) {
if (m->reload) {
if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_3 "Reloading module '%s' (%s)\n", m->resource, m->description());
m->reload();
}
m = m->next;
}
ast_pthread_mutex_unlock(&modlock);
}
int ast_load_resource(char *resource_name)
{
static char fn[256];
@ -154,13 +171,13 @@ int ast_load_resource(char *resource_name)
ast_destroy(cfg);
}
if (pthread_mutex_lock(&modlock))
if (ast_pthread_mutex_lock(&modlock))
ast_log(LOG_WARNING, "Failed to lock\n");
m = module_list;
while(m) {
if (!strcasecmp(m->resource, resource_name)) {
ast_log(LOG_WARNING, "Module '%s' already exists\n", resource_name);
pthread_mutex_unlock(&modlock);
ast_pthread_mutex_unlock(&modlock);
return -1;
}
m = m->next;
@ -168,7 +185,7 @@ int ast_load_resource(char *resource_name)
m = malloc(sizeof(struct module));
if (!m) {
ast_log(LOG_WARNING, "Out of memory\n");
pthread_mutex_unlock(&modlock);
ast_pthread_mutex_unlock(&modlock);
return -1;
}
strncpy(m->resource, resource_name, sizeof(m->resource));
@ -181,7 +198,7 @@ int ast_load_resource(char *resource_name)
if (!m->lib) {
ast_log(LOG_WARNING, "%s\n", dlerror());
free(m);
pthread_mutex_unlock(&modlock);
ast_pthread_mutex_unlock(&modlock);
return -1;
}
m->load_module = dlsym(m->lib, "load_module");
@ -223,7 +240,7 @@ int ast_load_resource(char *resource_name)
ast_log(LOG_WARNING, "%d error(s) loading module %s, aborted\n", errors, fn);
dlclose(m->lib);
free(m);
pthread_mutex_unlock(&modlock);
ast_pthread_mutex_unlock(&modlock);
return -1;
}
if (!fully_booted) {
@ -238,7 +255,7 @@ int ast_load_resource(char *resource_name)
m->next = module_list;
module_list = m;
pthread_mutex_unlock(&modlock);
ast_pthread_mutex_unlock(&modlock);
if ((res = m->load_module())) {
ast_log(LOG_WARNING, "%s: load_module failed, returning %d\n", m->resource, res);
ast_unload_resource(resource_name, 0);
@ -251,7 +268,7 @@ int ast_load_resource(char *resource_name)
static int ast_resource_exists(char *resource)
{
struct module *m;
if (pthread_mutex_lock(&modlock))
if (ast_pthread_mutex_lock(&modlock))
ast_log(LOG_WARNING, "Failed to lock\n");
m = module_list;
while(m) {
@ -259,7 +276,7 @@ static int ast_resource_exists(char *resource)
break;
m = m->next;
}
pthread_mutex_unlock(&modlock);
ast_pthread_mutex_unlock(&modlock);
if (m)
return -1;
else
@ -352,14 +369,14 @@ void ast_update_use_count(void)
/* Notify any module monitors that the use count for a
resource has changed */
struct loadupdate *m;
if (pthread_mutex_lock(&modlock))
if (ast_pthread_mutex_lock(&modlock))
ast_log(LOG_WARNING, "Failed to lock\n");
m = updaters;
while(m) {
m->updater();
m = m->next;
}
pthread_mutex_unlock(&modlock);
ast_pthread_mutex_unlock(&modlock);
}
@ -375,7 +392,7 @@ int ast_update_module_list(int (*modentry)(char *module, char *description, int
m = m->next;
}
if (unlock)
pthread_mutex_unlock(&modlock);
ast_pthread_mutex_unlock(&modlock);
return 0;
}
@ -385,11 +402,11 @@ int ast_loader_register(int (*v)(void))
/* XXX Should be more flexible here, taking > 1 verboser XXX */
if ((tmp = malloc(sizeof (struct loadupdate)))) {
tmp->updater = v;
if (pthread_mutex_lock(&modlock))
if (ast_pthread_mutex_lock(&modlock))
ast_log(LOG_WARNING, "Failed to lock\n");
tmp->next = updaters;
updaters = tmp;
pthread_mutex_unlock(&modlock);
ast_pthread_mutex_unlock(&modlock);
return 0;
}
return -1;
@ -399,7 +416,7 @@ int ast_loader_unregister(int (*v)(void))
{
int res = -1;
struct loadupdate *tmp, *tmpl=NULL;
if (pthread_mutex_lock(&modlock))
if (ast_pthread_mutex_lock(&modlock))
ast_log(LOG_WARNING, "Failed to lock\n");
tmp = updaters;
while(tmp) {
@ -415,6 +432,6 @@ int ast_loader_unregister(int (*v)(void))
}
if (tmp)
res = 0;
pthread_mutex_unlock(&modlock);
ast_pthread_mutex_unlock(&modlock);
return res;
}

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