diff options
Diffstat (limited to 'src/notify.c')
| -rw-r--r-- | src/notify.c | 42 |
1 files changed, 29 insertions, 13 deletions
diff --git a/src/notify.c b/src/notify.c index 28cfe23b23..61c4b0f92f 100644 --- a/src/notify.c +++ b/src/notify.c @@ -36,16 +36,18 @@ static bool arg_ready = false; static pid_t arg_pid = 0; static const char *arg_status = NULL; static bool arg_booted = false; +static const char *arg_readahead = NULL; static int help(void) { printf("%s [OPTIONS...] [VARIABLE=VALUE...]\n\n" "Notify the init system about service status updates.\n\n" - " -h --help Show this help\n" - " --ready Inform the init system about service start-up completion\n" - " --pid[=PID] Set main pid of daemon\n" - " --status=TEXT Set status text\n" - " --booted Returns 0 if the system was booted up with systemd, non-zero otherwise\n", + " -h --help Show this help\n" + " --ready Inform the init system about service start-up completion\n" + " --pid[=PID] Set main pid of daemon\n" + " --status=TEXT Set status text\n" + " --booted Returns 0 if the system was booted up with systemd, non-zero otherwise\n" + " --readahead=ACTION Controls read-ahead operations\n", program_invocation_short_name); return 0; @@ -57,16 +59,18 @@ static int parse_argv(int argc, char *argv[]) { ARG_READY = 0x100, ARG_PID, ARG_STATUS, - ARG_BOOTED + ARG_BOOTED, + ARG_READAHEAD }; static const struct option options[] = { - { "help", no_argument, NULL, 'h' }, - { "ready", no_argument, NULL, ARG_READY }, - { "pid", optional_argument, NULL, ARG_PID }, - { "status", required_argument, NULL, ARG_STATUS }, - { "booted", no_argument, NULL, ARG_BOOTED }, - { NULL, 0, NULL, 0 } + { "help", no_argument, NULL, 'h' }, + { "ready", no_argument, NULL, ARG_READY }, + { "pid", optional_argument, NULL, ARG_PID }, + { "status", required_argument, NULL, ARG_STATUS }, + { "booted", no_argument, NULL, ARG_BOOTED }, + { "readahead", required_argument, NULL, ARG_READAHEAD }, + { NULL, 0, NULL, 0 } }; int c; @@ -106,6 +110,10 @@ static int parse_argv(int argc, char *argv[]) { arg_booted = true; break; + case ARG_READAHEAD: + arg_readahead = optarg; + break; + case '?': return -EINVAL; @@ -119,7 +127,8 @@ static int parse_argv(int argc, char *argv[]) { !arg_ready && !arg_status && !arg_pid && - !arg_booted) { + !arg_booted && + !arg_readahead) { help(); return -EINVAL; } @@ -144,6 +153,13 @@ int main(int argc, char* argv[]) { if (arg_booted) return sd_booted() <= 0; + if (arg_readahead) { + if ((r = sd_readahead(arg_readahead)) < 0) { + log_error("Failed to issue read-ahead control command: %s", strerror(-r)); + goto finish; + } + } + if (arg_ready) our_env[i++] = (char*) "READY=1"; |