X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Flogger.c;h=64ac21404a5245d508e72d89fe74499a119b630e;hb=40b3203173ad78fdb5ceb257b08a93a587102518;hp=66f6f8c2e5b3f71da5be1328abd91775d2ce841b;hpb=bb00e604097fba830af1dc078d78aff278dfcd37;p=elogind.git diff --git a/src/logger.c b/src/logger.c index 66f6f8c2e..64ac21404 100644 --- a/src/logger.c +++ b/src/logger.c @@ -1,4 +1,4 @@ -/*-*- Mode: C; c-basic-offset: 8 -*-*/ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ /*** This file is part of systemd. @@ -473,7 +473,7 @@ static int server_init(Server *s, unsigned n_sockets) { /* /dev/kmsg logging is strictly optional */ if ((s->kmsg_fd = open("/dev/kmsg", O_WRONLY|O_NOCTTY|O_CLOEXEC)) < 0) - log_debug("Failed to open /dev/kmsg for logging, disabling kernel log buffer support: %s", strerror(errno)); + log_warning("Failed to open /dev/kmsg for logging, disabling kernel log buffer support: %s", strerror(errno)); return 0; @@ -535,10 +535,19 @@ int main(int argc, char *argv[]) { Server server; int r = 3, n; + if (getppid() != 1) { + log_error("This program should be invoked by init only."); + return 1; + } + + if (argc > 1) { + log_error("This program does not take arguments."); + return 1; + } + log_set_target(LOG_TARGET_SYSLOG_OR_KMSG); log_parse_environment(); - - log_info("systemd-logger running as pid %lu", (unsigned long) getpid()); + log_open(); if ((n = sd_listen_fds(true)) < 0) { log_error("Failed to read listening file descriptors from environment: %s", strerror(-r)); @@ -553,6 +562,8 @@ int main(int argc, char *argv[]) { if (server_init(&server, (unsigned) n) < 0) return 3; + log_debug("systemd-logger running as pid %lu", (unsigned long) getpid()); + sd_notify(false, "READY=1\n" "STATUS=Processing requests..."); @@ -575,18 +586,19 @@ int main(int argc, char *argv[]) { if (k <= 0) break; - if ((k = process_event(&server, &event)) < 0) + if (process_event(&server, &event) < 0) goto fail; } + r = 0; + log_info("systemd-logger stopped as pid %lu", (unsigned long) getpid()); + fail: sd_notify(false, "STATUS=Shutting down..."); server_done(&server); - log_info("systemd-logger stopped as pid %lu", (unsigned long) getpid()); - return r; }