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Rework module_unload API

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This commit is contained in:
Howard Chu 2007-02-11 23:01:08 +00:00
parent a031b99546
commit e7c5b684d0
1 changed files with 33 additions and 6 deletions
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39
servers/slapd/module.c
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@ -44,11 +44,12 @@ struct module_regtable_t {
typedef struct module_loaded_t {
struct module_loaded_t *next;
lt_dlhandle lib;
char name[1];
} module_loaded_t;
module_loaded_t *module_list = NULL;
static int module_unload (module_loaded_t *module);
static int module_int_unload (module_loaded_t *module);
#ifdef HAVE_EBCDIC
static char ebuf[BUFSIZ];
@ -74,7 +75,7 @@ int module_kill (void)
{
/* unload all modules before shutdown */
while (module_list != NULL) {
module_unload(module_list);
module_int_unload(module_list);
}
if (lt_dlexit()) {
@ -91,6 +92,30 @@ int module_kill (void)
return 0;
}
void * module_handle( const char *file_name )
{
module_loaded_t *module;
for ( module = module_list; module; module= module->next ) {
if ( !strcmp( module->name, file_name )) {
return module;
}
}
return NULL;
}
int module_unload( const char *file_name )
{
module_loaded_t *module;
module = module_handle( file_name );
if ( module ) {
module_int_unload( module );
return 0;
}
return -1; /* not found */
}
int module_load(const char* file_name, int argc, char *argv[])
{
module_loaded_t *module = NULL;
@ -103,13 +128,15 @@ int module_load(const char* file_name, int argc, char *argv[])
#define file file_name
#endif
module = (module_loaded_t *)ch_calloc(1, sizeof(module_loaded_t));
module = (module_loaded_t *)ch_calloc(1, sizeof(module_loaded_t) +
strlen(file_name));
if (module == NULL) {
Debug(LDAP_DEBUG_ANY, "module_load failed: (%s) out of memory\n", file_name,
0, 0);
return -1;
}
strcpy( module->name, file_name );
#ifdef HAVE_EBCDIC
strcpy( file, file_name );
@ -183,7 +210,7 @@ int module_load(const char* file_name, int argc, char *argv[])
Debug(LDAP_DEBUG_CONFIG, "module %s: unknown registration type (%d)\n",
file_name, rc, 0);
module_unload(module);
module_int_unload(module);
return -1;
}
@ -192,7 +219,7 @@ int module_load(const char* file_name, int argc, char *argv[])
Debug(LDAP_DEBUG_CONFIG, "module %s: %s module could not be registered\n",
file_name, module_regtable[rc].type, 0);
module_unload(module);
module_int_unload(module);
return rc;
}
@ -227,7 +254,7 @@ void *module_resolve (const void *module, const char *name)
return(lt_dlsym(((module_loaded_t *)module)->lib, name));
}
static int module_unload (module_loaded_t *module)
static int module_int_unload (module_loaded_t *module)
{
module_loaded_t *mod;
MODULE_TERM_FN terminate;