8922ab5d6a
To be able to test errors at specific locations, add a simple way to
check for a condition in code and controlled from user space environment
variable INJECT. For now a single value is accepted.
Use like:
if (inject_error(0x1234)) {
do_something();
return -ERROR;
}
This is enabled in debugging build by default (make D=1) and can be
enabled on demand too (make EXTRA_CFLAGS=-DINJECT).
Signed-off-by: David Sterba <dsterba@suse.com>
36 lines
992 B
C
36 lines
992 B
C
/*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public
|
|
* License v2 as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public
|
|
* License along with this program; if not, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 021110-1307, USA.
|
|
*/
|
|
|
|
#ifndef __INJECT_ERROR_H__
|
|
#define __INJECT_ERROR_H__
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <stdbool.h>
|
|
|
|
#ifdef INJECT
|
|
|
|
#define inject_error(cookie) __inject_error((cookie), __FILE__, __LINE__)
|
|
bool __inject_error(unsigned long cookie, const char *file, int line);
|
|
|
|
#else
|
|
|
|
#define inject_error(cookie) (false)
|
|
|
|
#endif
|
|
|
|
#endif
|