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| author | jdp <jdp@FreeBSD.org> | 1999-11-21 21:52:40 +0000 |
|---|---|---|
| committer | jdp <jdp@FreeBSD.org> | 1999-11-21 21:52:40 +0000 |
| commit | b71520dd661ac0f18e18acc552e6dda161a0640e (patch) | |
| tree | 212a420c199b214ad357ba2a7e43c0a6aed7ffe3 /sbin/reboot/reboot.c | |
| parent | 91842d93192e4055c56d4ab8c7da02a8b2e2c3b2 (diff) | |
| download | FreeBSD-src-b71520dd661ac0f18e18acc552e6dda161a0640e.zip FreeBSD-src-b71520dd661ac0f18e18acc552e6dda161a0640e.tar.gz | |
Add a "-d" option which causes the system to generate a crash dump.
Diffstat (limited to 'sbin/reboot/reboot.c')
| -rw-r--r-- | sbin/reboot/reboot.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/sbin/reboot/reboot.c b/sbin/reboot/reboot.c index 0bb8482..be3c81b 100644 --- a/sbin/reboot/reboot.c +++ b/sbin/reboot/reboot.c @@ -77,8 +77,11 @@ main(argc, argv) } else howto = 0; lflag = nflag = qflag = 0; - while ((ch = getopt(argc, argv, "lnpq")) != -1) + while ((ch = getopt(argc, argv, "dlnpq")) != -1) switch(ch) { + case 'd': + howto |= RB_DUMP; + break; case 'l': /* Undocumented; used by shutdown. */ lflag = 1; break; @@ -100,6 +103,8 @@ main(argc, argv) argc -= optind; argv += optind; + if ((howto & (RB_DUMP | RB_HALT)) == (RB_DUMP | RB_HALT)) + errx(1, "cannot dump (-d) when halting; must reboot instead"); if (geteuid()) { errno = EPERM; err(1, NULL); @@ -181,6 +186,7 @@ restart: void usage() { - (void)fprintf(stderr, "usage: %s [-npq]\n", dohalt ? "halt" : "reboot"); + (void)fprintf(stderr, "usage: %s [-dnpq]\n", + dohalt ? "halt" : "reboot"); exit(1); } |
