diff options
author | William Hubbs <w.d.hubbs@gmail.com> | 2017-04-12 17:56:30 -0500 |
---|---|---|
committer | William Hubbs <w.d.hubbs@gmail.com> | 2017-04-12 17:56:36 -0500 |
commit | 05738bfce120114037d4f02c67ec740813f94b89 (patch) | |
tree | 20e6670fb45dcb5bb8ad70d28a301dbd57ab2351 /src/rc/openrc-shutdown.c | |
parent | 6f88ee4ec6f59e545346a7422facc3e5b6adac04 (diff) |
init: add re-exec capability
This will allow the re-execution of the init process after upgrading
OpenRC.
Diffstat (limited to 'src/rc/openrc-shutdown.c')
-rw-r--r-- | src/rc/openrc-shutdown.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/src/rc/openrc-shutdown.c b/src/rc/openrc-shutdown.c index 978e8a68..8905d354 100644 --- a/src/rc/openrc-shutdown.c +++ b/src/rc/openrc-shutdown.c @@ -35,11 +35,12 @@ const char *applet = NULL; const char *extraopts = NULL; -const char *getoptstring = "kpr" getoptstring_COMMON; +const char *getoptstring = "HkpRr" getoptstring_COMMON; const struct option longopts[] = { { "halt", no_argument, NULL, 'H'}, { "kexec", no_argument, NULL, 'k'}, { "poweroff", no_argument, NULL, 'p'}, + { "reexec", no_argument, NULL, 'R'}, { "reboot", no_argument, NULL, 'r'}, longopts_COMMON }; @@ -47,11 +48,13 @@ const char * const longopts_help[] = { "halt the system", "reboot the system using kexec", "power off the system", + "re-execute init (use after upgrading)", "reboot the system", longopts_help_COMMON }; const char *usagestring = NULL; -const char *exclusive = "Select one of --halt, --kexec, --poweroff or --reboot"; +const char *exclusive = "Select one of " +"--halt, --kexec, --poweroff, --reexec or --reboot"; static void send_cmd(const char *cmd) { @@ -79,6 +82,7 @@ int main(int argc, char **argv) bool do_kexec = false; bool do_poweroff = false; bool do_reboot = false; + bool do_reexec = false; applet = basename_c(argv[0]); if (geteuid() != 0) @@ -99,6 +103,10 @@ if (geteuid() != 0) do_poweroff = true; cmd_count++; break; + case 'R': + do_reexec = true; + cmd_count++; + break; case 'r': do_reboot = true; cmd_count++; @@ -118,5 +126,7 @@ if (geteuid() != 0) send_cmd("poweroff"); else if (do_reboot) send_cmd("reboot"); + else if (do_reexec) + send_cmd("reexec"); return 0; } |