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https://github.com/kdave/btrfs-progs
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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
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License v2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 021110-1307, USA.
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*/
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#ifndef __INJECT_ERROR_H__
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#define __INJECT_ERROR_H__
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdbool.h>
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#ifdef INJECT
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#define inject_error(cookie) __inject_error((cookie), __FILE__, __LINE__)
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bool __inject_error(unsigned long cookie, const char *file, int line);
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#else
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#define inject_error(cookie) (false)
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#endif
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#endif
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