ccan/junkcode/rusty@rustcorp.com.au-ntdb/test/lock-tracking.h

#ifndef LOCK_TRACKING_H
#define LOCK_TRACKING_H
#include <stdbool.h>

/* Set this if you want a callback after fnctl unlock. */
extern void (*unlock_callback)(int fd);

/* Replacement fcntl. */
int fcntl_with_lockcheck(int fd, int cmd, ... /* arg */ );

/* Discard locking info: returns number of locks outstanding. */
unsigned int forget_locking(void);

/* Number of errors in locking. */
extern int locking_errors;

/* Suppress lock checking. */
extern bool suppress_lockcheck;

/* Make all locks non-blocking. */
extern bool nonblocking_locks;

/* Number of times we failed a lock because we made it non-blocking. */
extern int locking_would_block;
#endif /* LOCK_TRACKING_H */