astobj2_global.c File Reference

Functions implementing ao2_global_obj routines. More...

#include "asterisk.h"
#include "asterisk/astobj2.h"
#include "asterisk/utils.h"

Include dependency graph for astobj2_global.c:

Go to the source code of this file.

Functions
void *	__ao2_global_obj_ref (struct ao2_global_obj *holder, const char *tag, const char *file, int line, const char *func, const char *name)
void *	__ao2_global_obj_replace (struct ao2_global_obj *holder, void *obj, const char *tag, const char *file, int line, const char *func, const char *name)
int	__ao2_global_obj_replace_unref (struct ao2_global_obj *holder, void *obj, const char *tag, const char *file, int line, const char *func, const char *name)

Detailed Description

Functions implementing ao2_global_obj routines.

Author

Richard Mudgett rmudg.nosp@m.ett@.nosp@m.digiu.nosp@m.m.co.nosp@m.m

Definition in file astobj2_global.c.

Function Documentation

__ao2_global_obj_ref()

void * __ao2_global_obj_ref	(	struct ao2_global_obj *	holder,
		const char *	tag,
		const char *	file,
		int	line,
		const char *	func,
		const char *	name
	)

Definition at line 72 of file astobj2_global.c.

{
    void *obj;
 
    if (!holder) {
        /* For sanity */
        ast_log(LOG_ERROR, "Must be called with a global object!\n");
        ast_assert(0);
        return NULL;
    }
 
    if (__ast_rwlock_rdlock(file, line, func, &holder->lock, name)) {
        /* Could not get the read lock. */
        ast_assert(0);
        return NULL;
    }
 
    obj = holder->obj;
    if (obj) {
        __ao2_ref(obj, +1, tag, file, line, func);
    }
 
    __ast_rwlock_unlock(file, line, func, &holder->lock, name);
 
    return obj;
}

References __ao2_ref(), __ast_rwlock_rdlock(), __ast_rwlock_unlock(), ast_assert, ast_log, ao2_global_obj::lock, LOG_ERROR, name, NULL, and ao2_global_obj::obj.

__ao2_global_obj_replace()

void * __ao2_global_obj_replace	(	struct ao2_global_obj *	holder,
		void *	obj,
		const char *	tag,
		const char *	file,
		int	line,
		const char *	func,
		const char *	name
	)

Definition at line 33 of file astobj2_global.c.

{
    void *obj_old;
 
    if (!holder) {
        /* For sanity */
        ast_log(LOG_ERROR, "Must be called with a global object!\n");
        ast_assert(0);
        return NULL;
    }
    if (__ast_rwlock_wrlock(file, line, func, &holder->lock, name)) {
        /* Could not get the write lock. */
        ast_assert(0);
        return NULL;
    }
 
    if (obj) {
        __ao2_ref(obj, +1, tag, file, line, func);
    }
    obj_old = holder->obj;
    holder->obj = obj;
 
    __ast_rwlock_unlock(file, line, func, &holder->lock, name);
 
    return obj_old;
}

References __ao2_ref(), __ast_rwlock_unlock(), __ast_rwlock_wrlock(), ast_assert, ast_log, ao2_global_obj::lock, LOG_ERROR, name, NULL, and ao2_global_obj::obj.

Referenced by __ao2_global_obj_replace_unref().

__ao2_global_obj_replace_unref()

int __ao2_global_obj_replace_unref	(	struct ao2_global_obj *	holder,
		void *	obj,
		const char *	tag,
		const char *	file,
		int	line,
		const char *	func,
		const char *	name
	)

Definition at line 60 of file astobj2_global.c.

{
    void *obj_old;
 
    obj_old = __ao2_global_obj_replace(holder, obj, tag, file, line, func, name);
    if (obj_old) {
        __ao2_ref(obj_old, -1, tag, file, line, func);
        return 1;
    }
    return 0;
}

References __ao2_global_obj_replace(), __ao2_ref(), and name.