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author | Jeremy Katz <katzj@redhat.com> | 2003-04-24 15:46:31 +0000 |
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committer | Jeremy Katz <katzj@redhat.com> | 2003-04-24 15:46:31 +0000 |
commit | 0a562126d84c59a113231ae7ab38984f92d62153 (patch) | |
tree | 5e87b9094f4ebdc328979e3a0640dee5f1fc40cb /loader2/shutdown.c | |
parent | dd200d781bd9012f562399c2ee69c23fe60d86b9 (diff) | |
download | anaconda-0a562126d84c59a113231ae7ab38984f92d62153.tar.gz anaconda-0a562126d84c59a113231ae7ab38984f92d62153.tar.xz anaconda-0a562126d84c59a113231ae7ab38984f92d62153.zip |
another taroon merge. tagged before as before-taroon-merge, after as
after-taroon-merge
this one adds s390 fixes, basic i/p series platform support, support for
multiple kernels and one second stage, cmdline kickstart mode (nice for s390),
some warning cleanups.
Diffstat (limited to 'loader2/shutdown.c')
-rw-r--r-- | loader2/shutdown.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/loader2/shutdown.c b/loader2/shutdown.c new file mode 100644 index 000000000..33dab7bad --- /dev/null +++ b/loader2/shutdown.c @@ -0,0 +1,108 @@ +/* + * shutdown.c + * + * Shutdown a running system. If built with -DAS_SHUTDOWN=1, then + * it builds a standalone shutdown binary. + * + * Copyright 1996 - 2003 Red Hat, Inc. + * + * This software may be freely redistributed under the terms of the GNU + * public license. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <fcntl.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/reboot.h> +#include <sys/types.h> +#include <unistd.h> + +#ifdef AS_SHUTDOWN +int testing = 0; +#else +extern int testing; +#endif + +void disableSwap(void); +void unmountFilesystems(void); + + +void shutDown(int noKill, int doReboot) { + sync(); sync(); + + if (!testing && !noKill) { + printf("sending termination signals..."); + kill(-1, 15); + sleep(2); + printf("done\n"); + + printf("sending kill signals..."); + kill(-1, 9); + sleep(2); + printf("done\n"); + } + + printf("disabling swap...\n"); + disableSwap(); + + printf("unmounting filesystems...\n"); + unmountFilesystems(); + + if (doReboot) { + printf("rebooting system\n"); + sleep(2); + +#if USE_MINILIBC + reboot(0xfee1dead, 672274793, 0x1234567); +#else + reboot(RB_AUTOBOOT); +#endif + } else { + printf("you may safely reboot your system\n"); +#if !defined(__s390__) && !defined(__s390x__) + while (1); +#else + reboot(RB_HALT_SYSTEM); +#endif + } + + exit(0); + + return; +} + +#ifdef AS_SHUTDOWN +int main(int argc, char ** argv) { + int fd; + int doReboot = 0; + int i = 1; + + while (i < argc) { + if (!strncmp("-r", argv[i], 2)) + doReboot = 1; + i++; + } + + /* ignore some signals so we don't kill ourself */ + signal(SIGINT, SIG_IGN); + signal(SIGTSTP, SIG_IGN); + + /* now change to / */ + chdir("/"); + + /* redirect output to the real console */ + fd = open("/dev/console", O_RDWR); + dup2(fd, 0); + dup2(fd, 1); + dup2(fd, 2); + close(fd); + + shutDown(0, doReboot); +} +#endif |