bsd/kern/kern_lockf.c

1089  * Parameters:	lock1			Lock to split
1097  *		*lock1			Modified original lock
1107 lf_split(struct lockf *lock1, struct lockf *lock2)
1113 		lf_print("lf_split", lock1);
1120 	if (lock1->lf_start == lock2->lf_start) {
1121 		lock1->lf_start = lock2->lf_end + 1;
1122 		lock2->lf_next = lock1;
1125 	if (lock1->lf_end == lock2->lf_end) {
1126 		lock1->lf_end = lock2->lf_start - 1;
1127 		lock2->lf_next = lock1->lf_next;
1128 		lock1->lf_next = lock2;
1138 	bcopy(lock1, splitlock, sizeof *splitlock);
1141 	lock1->lf_end = lock2->lf_start - 1;
1145 	splitlock->lf_next = lock1->lf_next;
1147 	lock1->lf_next = lock2;