| @@ -1,17 +1,17 @@ | | | @@ -1,17 +1,17 @@ |
1 | /* $NetBSD: swapctl.c,v 1.39 2013/01/01 19:01:10 dsl Exp $ */ | | 1 | /* $NetBSD: swapctl.c,v 1.40 2015/10/11 23:58:16 mrg Exp $ */ |
2 | | | 2 | |
3 | /* | | 3 | /* |
4 | * Copyright (c) 1996, 1997, 1999 Matthew R. Green | | 4 | * Copyright (c) 1996, 1997, 1999, 2015 Matthew R. Green |
5 | * All rights reserved. | | 5 | * All rights reserved. |
6 | * | | 6 | * |
7 | * Redistribution and use in source and binary forms, with or without | | 7 | * Redistribution and use in source and binary forms, with or without |
8 | * modification, are permitted provided that the following conditions | | 8 | * modification, are permitted provided that the following conditions |
9 | * are met: | | 9 | * are met: |
10 | * 1. Redistributions of source code must retain the above copyright | | 10 | * 1. Redistributions of source code must retain the above copyright |
11 | * notice, this list of conditions and the following disclaimer. | | 11 | * notice, this list of conditions and the following disclaimer. |
12 | * 2. Redistributions in binary form must reproduce the above copyright | | 12 | * 2. Redistributions in binary form must reproduce the above copyright |
13 | * notice, this list of conditions and the following disclaimer in the | | 13 | * notice, this list of conditions and the following disclaimer in the |
14 | * documentation and/or other materials provided with the distribution. | | 14 | * documentation and/or other materials provided with the distribution. |
15 | * | | 15 | * |
16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | | 16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | | 17 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| @@ -54,27 +54,27 @@ | | | @@ -54,27 +54,27 @@ |
54 | * -p <pri> use this priority | | 54 | * -p <pri> use this priority |
55 | * -c change priority | | 55 | * -c change priority |
56 | * | | 56 | * |
57 | * or, if invoked as "swapon" (compatibility mode): | | 57 | * or, if invoked as "swapon" (compatibility mode): |
58 | * | | 58 | * |
59 | * -a all devices listed as `sw' in /etc/fstab | | 59 | * -a all devices listed as `sw' in /etc/fstab |
60 | * -t same as -t above (feature not present in old | | 60 | * -t same as -t above (feature not present in old |
61 | * swapon(8) command) | | 61 | * swapon(8) command) |
62 | * <dev> add this device | | 62 | * <dev> add this device |
63 | */ | | 63 | */ |
64 | #include <sys/cdefs.h> | | 64 | #include <sys/cdefs.h> |
65 | | | 65 | |
66 | #ifndef lint | | 66 | #ifndef lint |
67 | __RCSID("$NetBSD: swapctl.c,v 1.39 2013/01/01 19:01:10 dsl Exp $"); | | 67 | __RCSID("$NetBSD: swapctl.c,v 1.40 2015/10/11 23:58:16 mrg Exp $"); |
68 | #endif | | 68 | #endif |
69 | | | 69 | |
70 | | | 70 | |
71 | #include <sys/param.h> | | 71 | #include <sys/param.h> |
72 | #include <sys/ioctl.h> | | 72 | #include <sys/ioctl.h> |
73 | #include <sys/stat.h> | | 73 | #include <sys/stat.h> |
74 | #include <sys/swap.h> | | 74 | #include <sys/swap.h> |
75 | #include <sys/sysctl.h> | | 75 | #include <sys/sysctl.h> |
76 | #include <sys/disk.h> | | 76 | #include <sys/disk.h> |
77 | #include <sys/disklabel.h> | | 77 | #include <sys/disklabel.h> |
78 | | | 78 | |
79 | #include <unistd.h> | | 79 | #include <unistd.h> |
80 | #include <err.h> | | 80 | #include <err.h> |
| @@ -141,27 +141,27 @@ static int fflag; /* first swap becomes | | | @@ -141,27 +141,27 @@ static int fflag; /* first swap becomes |
141 | #define FFLAG_CMDS (CMD_A) | | 141 | #define FFLAG_CMDS (CMD_A) |
142 | | | 142 | |
143 | static int oflag; /* only autoset dump device */ | | 143 | static int oflag; /* only autoset dump device */ |
144 | #define OFLAG_CMDS (CMD_A) | | 144 | #define OFLAG_CMDS (CMD_A) |
145 | | | 145 | |
146 | static int nflag; /* no execute, just print actions */ | | 146 | static int nflag; /* no execute, just print actions */ |
147 | #define NFLAG_CMDS (CMD_A | CMD_U) | | 147 | #define NFLAG_CMDS (CMD_A | CMD_U) |
148 | | | 148 | |
149 | static int pri; /* uses 0 as default pri */ | | 149 | static int pri; /* uses 0 as default pri */ |
150 | | | 150 | |
151 | static void change_priority(char *); | | 151 | static void change_priority(char *); |
152 | static int add_swap(char *, int); | | 152 | static int add_swap(char *, int); |
153 | static int delete_swap(char *); | | 153 | static int delete_swap(char *); |
154 | static void set_dumpdev1(char *); | | 154 | static int set_dumpdev1(char *); |
155 | static void set_dumpdev(char *); | | 155 | static void set_dumpdev(char *); |
156 | static int get_dumpdev(void); | | 156 | static int get_dumpdev(void); |
157 | __dead static void do_fstab(int); | | 157 | __dead static void do_fstab(int); |
158 | static int check_fstab(void); | | 158 | static int check_fstab(void); |
159 | static void do_localdevs(int); | | 159 | static void do_localdevs(int); |
160 | static void do_localdisk(const char *, int); | | 160 | static void do_localdisk(const char *, int); |
161 | static int do_wedgesofdisk(int fd, int); | | 161 | static int do_wedgesofdisk(int fd, int); |
162 | static int do_partitionsofdisk(const char *, int fd, int); | | 162 | static int do_partitionsofdisk(const char *, int fd, int); |
163 | __dead static void usage(void); | | 163 | __dead static void usage(void); |
164 | __dead static void swapon_command(int, char **); | | 164 | __dead static void swapon_command(int, char **); |
165 | #if 0 | | 165 | #if 0 |
166 | static void swapoff_command(int, char **); | | 166 | static void swapoff_command(int, char **); |
167 | #endif | | 167 | #endif |
| @@ -465,81 +465,89 @@ add_swap(char *path, int priority) | | | @@ -465,81 +465,89 @@ add_swap(char *path, int priority) |
465 | if (fflag || oflag) { | | 465 | if (fflag || oflag) { |
466 | set_dumpdev1(spec); | | 466 | set_dumpdev1(spec); |
467 | if (oflag) | | 467 | if (oflag) |
468 | exit(0); | | 468 | exit(0); |
469 | else | | 469 | else |
470 | fflag = 0; | | 470 | fflag = 0; |
471 | } | | 471 | } |
472 | | | 472 | |
473 | if (nflag) | | 473 | if (nflag) |
474 | return 1; | | 474 | return 1; |
475 | | | 475 | |
476 | if (swapctl(SWAP_ON, spec, priority) < 0) { | | 476 | if (swapctl(SWAP_ON, spec, priority) < 0) { |
477 | oops: | | 477 | oops: |
478 | err(1, "%s", path); | | 478 | warn("%s", path); |
| | | 479 | return 0; |
479 | } | | 480 | } |
480 | return (1); | | 481 | return 1; |
481 | } | | 482 | } |
482 | | | 483 | |
483 | /* | | 484 | /* |
484 | * delete_swap: remove the pathname to the list of swap devices. | | 485 | * delete_swap: remove the pathname to the list of swap devices. |
485 | */ | | 486 | */ |
486 | static int | | 487 | static int |
487 | delete_swap(char *path) | | 488 | delete_swap(char *path) |
488 | { | | 489 | { |
489 | char buf[MAXPATHLEN]; | | 490 | char buf[MAXPATHLEN]; |
490 | char *spec; | | 491 | char *spec; |
491 | | | 492 | |
492 | if (getfsspecname(buf, sizeof(buf), path) == NULL) | | 493 | if (getfsspecname(buf, sizeof(buf), path) == NULL) { |
493 | err(1, "%s", path); | | 494 | warn("%s", path); |
| | | 495 | return 0; |
| | | 496 | } |
494 | spec = buf; | | 497 | spec = buf; |
495 | | | 498 | |
496 | if (nflag) | | 499 | if (nflag) |
497 | return 1; | | 500 | return 1; |
498 | | | 501 | |
499 | if (swapctl(SWAP_OFF, spec, pri) < 0) | | 502 | if (swapctl(SWAP_OFF, spec, pri) < 0) { |
500 | err(1, "%s", path); | | 503 | warn("%s", path); |
501 | return (1); | | 504 | return 0; |
| | | 505 | } |
| | | 506 | return 1; |
502 | } | | 507 | } |
503 | | | 508 | |
504 | static void | | 509 | static int |
505 | set_dumpdev1(char *spec) | | 510 | set_dumpdev1(char *spec) |
506 | { | | 511 | { |
507 | int rv = 0; | | 512 | int rv = 0; |
508 | | | 513 | |
509 | if (!nflag) { | | 514 | if (!nflag) { |
510 | if (strcmp(spec, "none") == 0) | | 515 | if (strcmp(spec, "none") == 0) |
511 | rv = swapctl(SWAP_DUMPOFF, NULL, 0); | | 516 | rv = swapctl(SWAP_DUMPOFF, NULL, 0); |
512 | else | | 517 | else |
513 | rv = swapctl(SWAP_DUMPDEV, spec, 0); | | 518 | rv = swapctl(SWAP_DUMPDEV, spec, 0); |
514 | } | | 519 | } |
515 | | | 520 | |
516 | if (rv == -1) | | 521 | if (rv == -1) |
517 | err(1, "could not set dump device to %s", spec); | | 522 | warn("could not set dump device to %s", spec); |
518 | else | | 523 | else |
519 | printf("%s: setting dump device to %s\n", getprogname(), spec); | | 524 | printf("%s: setting dump device to %s\n", getprogname(), spec); |
| | | 525 | |
| | | 526 | return rv == -1 ? 0 : 1; |
520 | } | | 527 | } |
521 | | | 528 | |
522 | static void | | 529 | static void |
523 | set_dumpdev(char *path) | | 530 | set_dumpdev(char *path) |
524 | { | | 531 | { |
525 | char buf[MAXPATHLEN]; | | 532 | char buf[MAXPATHLEN]; |
526 | char *spec; | | 533 | char *spec; |
527 | | | 534 | |
528 | if (getfsspecname(buf, sizeof(buf), path) == NULL) | | 535 | if (getfsspecname(buf, sizeof(buf), path) == NULL) |
529 | err(1, "%s", path); | | 536 | err(1, "%s", path); |
530 | spec = buf; | | 537 | spec = buf; |
531 | | | 538 | |
532 | return set_dumpdev1(spec); | | 539 | if (! set_dumpdev1(spec)) |
| | | 540 | exit(1); |
533 | } | | 541 | } |
534 | | | 542 | |
535 | static int | | 543 | static int |
536 | get_dumpdev(void) | | 544 | get_dumpdev(void) |
537 | { | | 545 | { |
538 | dev_t dev; | | 546 | dev_t dev; |
539 | char *name; | | 547 | char *name; |
540 | | | 548 | |
541 | if (swapctl(SWAP_GETDUMPDEV, &dev, 0) == -1) { | | 549 | if (swapctl(SWAP_GETDUMPDEV, &dev, 0) == -1) { |
542 | warn("could not get dump device"); | | 550 | warn("could not get dump device"); |
543 | return 0; | | 551 | return 0; |
544 | } else if (dev == NODEV) { | | 552 | } else if (dev == NODEV) { |
545 | printf("no dump device set\n"); | | 553 | printf("no dump device set\n"); |