sys/file/flock_helper.c

187 	struct flock fl;
194 	fl.l_start = 0;
195 	fl.l_len = 0;
196 	fl.l_type = F_WRLCK;
197 	fl.l_whence = SEEK_SET;
209 		if (fcntl(fd, F_SETLK, &fl) < 0)
229 	res = fcntl(fd, F_SETLK, &fl);
258 	struct flock fl;
265 	fl.l_start = 0;
266 	fl.l_len = 0;
267 	fl.l_type = F_WRLCK;
268 	fl.l_whence = SEEK_SET;
280 		if (fcntl(fd, F_SETLK, &fl) < 0)
303 	res = fcntl(fd, F_SETLKW, &fl);
328 	struct flock fl;
334 	fl.l_start = 0;
335 	fl.l_len = 99;
336 	fl.l_type = F_WRLCK;
337 	fl.l_whence = SEEK_SET;
349 		if (fcntl(fd, F_SETLK, &fl) < 0)
368 	if (fcntl(fd, F_GETLK, &fl) < 0)
372 	FAIL(fl.l_start != 0);
373 	FAIL(fl.l_len != 99);
374 	FAIL(fl.l_type != F_WRLCK);
375 	FAIL(fl.l_pid != pid);
377 	FAIL(fl.l_sysid != 0);
414 	struct flock fl;
420 	fl.l_start = 0;
421 	fl.l_len = 1;
422 	fl.l_type = F_WRLCK;
423 	fl.l_whence = SEEK_SET;
424 	if (fcntl(fd, F_SETLK, &fl) < 0)
436 		fl.l_start = 1;
437 		if (fcntl(fd, F_SETLK, &fl) < 0)
439 		fl.l_start = 0;
440 		if (fcntl(fd, F_SETLKW, &fl) < 0)
459 	fl.l_start = 1;
460 	res = fcntl(fd, F_SETLKW, &fl);
467 	fl.l_start = 0;
468 	fl.l_len = 0;
469 	fl.l_type = F_UNLCK;
470 	if (fcntl(fd, F_SETLK, &fl) < 0)
500 	struct flock fl;
506 	fl.l_start = 0;
507 	fl.l_len = 1;
508 	fl.l_type = F_WRLCK;
509 	fl.l_whence = SEEK_SET;
510 	if (fcntl(fd, F_SETLK, &fl) < 0)
522 		fl.l_start = 1;
523 		if (fcntl(fd, F_SETLK, &fl) < 0)
539 		fl.l_start = 2;
540 		if (fcntl(fd, F_SETLK, &fl) < 0)
542 		fl.l_start = 0;
543 		if (fcntl(fd, F_SETLKW, &fl) < 0)
562 	fl.l_start = 1;
563 	fl.l_len = 2;
564 	res = fcntl(fd, F_SETLKW, &fl);
570 	fl.l_start = 0;
571 	fl.l_len = 0;
572 	fl.l_type = F_UNLCK;
573 	if (fcntl(fd, F_SETLK, &fl) < 0)
602 	struct flock fl;
609 	fl.l_start = 0;
610 	fl.l_len = 0;
611 	fl.l_type = F_WRLCK;
612 	fl.l_whence = SEEK_SET;
624 		if (fcntl(fd, F_SETLK, &fl) < 0)
645 	fl.l_type = F_RDLCK;
646 	res = fcntl(fd, F_SETLK, &fl);
674 	struct flock fl;
681 	fl.l_start = 0;
682 	fl.l_len = 0;
683 	fl.l_type = F_RDLCK;
684 	fl.l_whence = SEEK_SET;
696 		if (fcntl(fd, F_SETLK, &fl) < 0)
717 	fl.l_type = F_RDLCK;
718 	res = fcntl(fd, F_SETLK, &fl);
725 	fl.l_start = 0;
726 	fl.l_len = 0;
727 	fl.l_type = F_UNLCK;
728 	if (fcntl(fd, F_SETLK, &fl) < 0)
751 	struct flock fl;
758 	fl.l_start = 0;
759 	fl.l_len = 0;
760 	fl.l_type = F_RDLCK;
761 	fl.l_whence = SEEK_SET;
773 		if (fcntl(fd, F_SETLK, &fl) < 0)
794 	fl.l_type = F_WRLCK;
795 	res = fcntl(fd, F_SETLK, &fl);
823 	struct flock fl;
829 	fl.l_start = 0;
830 	fl.l_len = 0;
831 	fl.l_type = F_WRLCK;
832 	fl.l_whence = SEEK_SET;
833 	fl.l_pid = 9999;
835 	fl.l_sysid = 9999;
848 		if (fcntl(fd, F_SETLK, &fl) < 0)
865 	if (fcntl(fd, F_GETLK, &fl) < 0)
873 	FAIL(fl.l_pid != pid);
875 	FAIL(fl.l_sysid != 0);
891 	struct flock fl;
897 	fl.l_start = 0;
898 	fl.l_len = 0;
899 	fl.l_type = F_WRLCK;
900 	fl.l_whence = SEEK_SET;
901 	fl.l_pid = 9999;
902 	fl.l_sysid = 1001;
906 	res = fcntl(fd, F_SETLK_REMOTE, &fl);
909 	fl.l_sysid = 1002;
910 	res = fcntl(fd, F_SETLK_REMOTE, &fl);
914 	res = fcntl(fd, F_GETLK, &fl);
916 	FAIL(fl.l_pid != 9999);
917 	FAIL(fl.l_sysid != 1001);
919 	fl.l_type = F_UNLCK;
920 	fl.l_sysid = 1001;
921 	fl.l_start = 0;
922 	fl.l_len = 0;
923 	res = fcntl(fd, F_SETLK_REMOTE, &fl);
926 	fl.l_pid = 1234;
927 	fl.l_sysid = 1001;
928 	fl.l_start = 0;
929 	fl.l_len = 1;
930 	fl.l_whence = SEEK_SET;
931 	fl.l_type = F_RDLCK;
932 	res = fcntl(fd, F_SETLK_REMOTE, &fl);
935 	fl.l_sysid = 1002;
936 	res = fcntl(fd, F_SETLK_REMOTE, &fl);
939 	fl.l_type = F_UNLCKSYS;
940 	fl.l_sysid = 1001;
941 	res = fcntl(fd, F_SETLK_REMOTE, &fl);
944 	fl.l_type = F_WRLCK;
945 	res = fcntl(fd, F_GETLK, &fl);
947 	FAIL(fl.l_pid != 1234);
948 	FAIL(fl.l_sysid != 1002);
950 	fl.l_type = F_UNLCKSYS;
951 	fl.l_sysid = 1002;
952 	res = fcntl(fd, F_SETLK_REMOTE, &fl);
976 	struct flock fl;
983 	fl.l_start = 0;
984 	fl.l_len = 0;
985 	fl.l_type = F_WRLCK;
986 	fl.l_whence = SEEK_SET;
998 		if (fcntl(fd, F_SETLK, &fl) < 0)
1022 	res = fcntl(fd, F_SETLKW, &fl);
1029 	fl.l_start = 0;
1030 	fl.l_len = 0;
1031 	fl.l_type = F_UNLCK;
1032 	if (fcntl(fd, F_SETLK, &fl) < 0)
1054 	struct flock fl;
1066 		fl.l_start = 0;
1067 		fl.l_len = 0;
1068 		fl.l_type = F_WRLCK;
1069 		fl.l_whence = SEEK_SET;
1081 			if (fcntl(fd, F_SETLK, &fl) < 0)
1110 		res = fcntl(fd, F_SETLKW, &fl);
1117 		fl.l_start = 0;
1118 		fl.l_len = 0;
1119 		fl.l_type = F_UNLCK;
1120 		if (fcntl(fd, F_SETLK, &fl) < 0)
1143 	struct flock fl;
1189 			fl.l_start = start;
1190 			fl.l_len = len;
1191 			fl.l_whence = SEEK_SET;
1193 				fl.l_type = wrlock ? F_WRLCK : F_RDLCK;
1195 				fl.l_type = F_UNLCK;
1203 			if (fcntl(fd, F_SETLKW, &fl) < 0) {
1341 	struct flock fl;
1358 		fl.l_start = 0;
1359 		fl.l_len = 0;
1360 		fl.l_type = F_RDLCK;
1361 		fl.l_whence = SEEK_SET;
1362 		if (fcntl(fd, F_SETLK, &fl) < 0)
1396 	fl.l_start = 0;
1397 	fl.l_len = 0;
1398 	fl.l_type = F_WRLCK;
1399 	fl.l_whence = SEEK_SET;
1400 	res = fcntl(fd, F_GETLK, &fl);
1405 	FAIL(fl.l_type != F_UNLCK);