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main: pass original environment block to shutdown binary so that it can detect container environments

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This commit is contained in:
Lennart Poettering 2012-04-12 03:19:28 +02:00
parent 1d7f3f5cc8
commit d18f337c3f
1 changed files with 11 additions and 10 deletions
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21
src/main.c
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@ -1648,19 +1648,16 @@ finish:
fdset_free(fds);
if (shutdown_verb) {
char e[32];
const char * command_line[] = {
SYSTEMD_SHUTDOWN_BINARY_PATH,
shutdown_verb,
NULL
};
const char * env_block[] = {
NULL,
NULL
};
char **env_block;
if (arm_reboot_watchdog && arg_shutdown_watchdog > 0) {
char e[32];
/* If we reboot let's set the shutdown
* watchdog and tell the shutdown binary to
* repeatedly ping it */
@ -1670,11 +1667,15 @@ finish:
/* Tell the binary how often to ping */
snprintf(e, sizeof(e), "WATCHDOG_USEC=%llu", (unsigned long long) arg_shutdown_watchdog);
char_array_0(e);
env_block[0] = e;
} else
watchdog_close(true);
execve(SYSTEMD_SHUTDOWN_BINARY_PATH, (char **) command_line, (char**) env_block);
env_block = strv_append(environ, e);
} else {
env_block = strv_copy(environ);
watchdog_close(true);
}
execve(SYSTEMD_SHUTDOWN_BINARY_PATH, (char **) command_line, env_block);
free(env_block);
log_error("Failed to execute shutdown binary, freezing: %m");
}