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https://github.com/pygos/init.git
synced 2024-11-22 03:09:46 +01:00
Cleanup shutdown command, make reboot a symlink to shutdown
Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
This commit is contained in:
David Oberhollenzer
parent
ec6264bad5
commit
2d54b32d24
3 changed files with 39 additions and 56 deletions
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@ -24,6 +24,9 @@ if USYSLOGD
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include syslogd/Makemodule.am
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endif
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install-exec-hook:
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(cd $(DESTDIR)$(sbindir); $(LN_S) shutdown reboot)
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install-data-local:
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$(MKDIR_P) $(DESTDIR)$(SVCDIR)
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$(LN_S) $(TEMPLATEDIR)/loopback $(DESTDIR)$(SVCDIR)/loopback
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@ -1,14 +1,7 @@
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shutdown_SOURCES = cmd/shutdown.c
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shutdown_CPPFLAGS = $(AM_CPPFLAGS) -DPROGNAME=shutdown
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shutdown_CPPFLAGS = $(AM_CPPFLAGS)
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shutdown_CFLAGS = $(AM_CFLAGS)
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shutdown_LDFLAGS = $(AM_LDFLAGS)
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shutdown_LDADD = libinit.a
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reboot_SOURCES = cmd/shutdown.c
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reboot_CPPFLAGS = $(AM_CPPFLAGS) -DPROGNAME=reboot
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reboot_CFLAGS = $(AM_CFLAGS)
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reboot_LDFLAGS = $(AM_LDFLAGS)
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reboot_LDADD = libinit.a
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runsvc_SOURCES = cmd/runsvc/runsvc.c cmd/runsvc/env.c cmd/runsvc/runsvc.h
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runsvc_CPPFLAGS = $(AM_CPPFLAGS)
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@ -44,5 +37,5 @@ endif
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EXTRA_DIST += $(SRVHEADERS)
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sbin_PROGRAMS += service reboot shutdown
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sbin_PROGRAMS += service shutdown
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helper_PROGRAMS += killall5 runsvc
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@ -19,19 +19,15 @@
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <signal.h>
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#include <stdio.h>
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#include <errno.h>
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#include <sys/reboot.h>
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#include <linux/reboot.h>
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#include "telinit.h"
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#include "util.h"
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#define STRINIFY(x) #x
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#define STRINIFY_VALUE(x) STRINIFY(x)
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#define PROGRAM_NAME STRINIFY_VALUE(PROGNAME)
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#define FL_FORCE 0x01
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#define FL_NOSYNC 0x02
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@ -48,9 +44,9 @@ static const struct option options[] = {
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static const char *shortopt = "hVprfn";
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static const char *defact_str = "power-off";
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static int defact = TI_SHUTDOWN;
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static int defact = RB_POWER_OFF;
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static NORETURN void usage(int status)
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static NORETURN void usage(const char *progname, int status)
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{
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fprintf(status == EXIT_SUCCESS ? stdout : stderr,
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"%s [OPTIONS...]\n\n"
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@ -63,32 +59,34 @@ static NORETURN void usage(int status)
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" init system.\n"
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" -n, --no-sync Don't sync storage media before power-off or reboot.\n\n"
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"If no option is specified, the default action is %s.\n",
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PROGRAM_NAME, defact_str);
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progname, defact_str);
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exit(status);
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}
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static NORETURN void version(void)
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static NORETURN void version(const char *progname)
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{
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fputs(
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PROGRAM_NAME " (Pygos init) " PACKAGE_VERSION "\n"
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fprintf(stdout,
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"%s (Pygos init) %s\n"
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"Copyright (C) 2018 David Oberhollenzer\n"
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"License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.\n"
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"This is free software: you are free to change and redistribute it.\n"
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"There is NO WARRANTY, to the extent permitted by law.\n",
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stdout);
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progname, PACKAGE_VERSION);
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exit(EXIT_SUCCESS);
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}
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int main(int argc, char **argv)
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{
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int c, fd, flags = 0;
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ti_msg_t msg;
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ssize_t ret;
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int c, ret, flags = 0;
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char *ptr;
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if (!strcmp(PROGRAM_NAME, "reboot")) {
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ptr = strrchr(argv[0], '/');
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ptr = (ptr == NULL) ? argv[0] : (ptr + 1);
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if (strcmp(ptr, "reboot") == 0) {
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defact_str = "reboot";
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defact = TI_REBOOT;
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defact = RB_AUTOBOOT;
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}
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while (1) {
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@ -104,53 +102,42 @@ int main(int argc, char **argv)
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flags |= FL_NOSYNC;
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break;
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case 'p':
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defact = TI_SHUTDOWN;
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defact = RB_POWER_OFF;
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break;
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case 'r':
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defact = TI_REBOOT;
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defact = RB_AUTOBOOT;
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break;
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case 'V':
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version();
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version(ptr);
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case 'h':
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usage(EXIT_SUCCESS);
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usage(ptr, EXIT_SUCCESS);
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default:
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exit(EXIT_FAILURE);
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usage(ptr, EXIT_FAILURE);
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}
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}
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if (flags & FL_FORCE) {
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if (!(flags & FL_NOSYNC))
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sync();
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switch (defact) {
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case TI_REBOOT:
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reboot(RB_AUTOBOOT);
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break;
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case TI_SHUTDOWN:
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reboot(RB_POWER_OFF);
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break;
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}
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reboot(defact);
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perror("reboot system call");
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return EXIT_FAILURE;
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}
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fd = opensock();
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if (fd < 0)
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return EXIT_FAILURE;
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msg.type = defact;
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retry:
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ret = write(fd, &msg, sizeof(msg));
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if (ret < 0) {
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if (errno == EINTR)
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goto retry;
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perror("write on init socket");
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close(fd);
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return EXIT_FAILURE;
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}
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close(fd);
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switch (defact) {
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case RB_AUTOBOOT:
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ret = kill(1, SIGINT);
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break;
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case RB_POWER_OFF:
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ret = kill(1, SIGTERM);
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break;
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default:
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return EXIT_SUCCESS;
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}
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if (ret) {
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perror("sending signal to init");
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return EXIT_FAILURE;
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}
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return EXIT_SUCCESS;
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}
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