diff options
Diffstat (limited to 'src/rc/openrc-init.c')
| -rw-r--r-- | src/rc/openrc-init.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/src/rc/openrc-init.c b/src/rc/openrc-init.c index fb3347a4..61052806 100644 --- a/src/rc/openrc-init.c +++ b/src/rc/openrc-init.c @@ -20,6 +20,7 @@ #include <errno.h> #include <signal.h> +#include <stdbool.h> #include <stdio.h> #include <stdlib.h> #include <string.h> @@ -79,6 +80,12 @@ static void init(const char *default_runlevel) waitpid(pid, NULL, 0); } +static void handle_reexec(char *my_name) +{ + execl(my_name, my_name, "reexec", NULL); + return; +} + static void handle_shutdown(const char *runlevel, int cmd) { pid_t pid; @@ -123,10 +130,11 @@ static void signal_handler(int sig) int main(int argc, char **argv) { - char *default_runlevel = NULL; + char *default_runlevel; char buf[2048]; int count; FILE *fifo; + bool reexec = false; struct sigaction sa; if (getpid() != 1) @@ -134,16 +142,22 @@ int main(int argc, char **argv) if (argc > 1) default_runlevel = argv[1]; + else + default_runlevel = NULL; + + if (default_runlevel && strcmp(default_runlevel, "reexec") == 0) + reexec = true; printf("OpenRC init version %s starting\n", VERSION); - init(default_runlevel); + if (! reexec) + init(default_runlevel); memset(&sa, 0, sizeof(sa)); sa.sa_handler = signal_handler; sigaction(SIGCHLD, &sa, NULL); sigaction(SIGINT, &sa, NULL); reboot(RB_DISABLE_CAD); - if (mkfifo(RC_INIT_FIFO, 0600) == -1) + if (mkfifo(RC_INIT_FIFO, 0600) == -1 && errno != EEXIST) perror("mkfifo"); for (;;) { @@ -166,6 +180,8 @@ int main(int argc, char **argv) handle_shutdown("shutdown", RB_POWER_OFF); else if (strcmp(buf, "reboot") == 0) handle_shutdown("reboot", RB_AUTOBOOT); + else if (strcmp(buf, "reexec") == 0) + handle_reexec(argv[0]); } return 0; } |