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Code

user-sessions: modernizations

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This commit is contained in:
Lennart Poettering 2013-11-05 00:53:19 +01:00
parent a658cafa98
commit fe5af61253
1 changed files with 9 additions and 12 deletions
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21
src/login/user-sessions.c
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@ -28,7 +28,6 @@
#include "fileio.h" #include "fileio.h"
int main(int argc, char*argv[]) { int main(int argc, char*argv[]) {
int ret = EXIT_FAILURE;
if (argc != 2) { if (argc != 2) {
log_error("This program requires one argument."); log_error("This program requires one argument.");
@ -42,7 +41,7 @@ int main(int argc, char*argv[]) {
umask(0022); umask(0022);
if (streq(argv[1], "start")) { if (streq(argv[1], "start")) {
int q = 0, r = 0; int r = 0;
if (unlink("/run/nologin") < 0 && errno != ENOENT) { if (unlink("/run/nologin") < 0 && errno != ENOENT) {
log_error("Failed to remove /run/nologin file: %m"); log_error("Failed to remove /run/nologin file: %m");
@ -50,7 +49,6 @@ int main(int argc, char*argv[]) {
} }
if (unlink("/etc/nologin") < 0 && errno != ENOENT) { if (unlink("/etc/nologin") < 0 && errno != ENOENT) {
/* If the file doesn't exist and /etc simply /* If the file doesn't exist and /etc simply
* was read-only (in which case unlink() * was read-only (in which case unlink()
* returns EROFS even if the file doesn't * returns EROFS even if the file doesn't
@ -58,27 +56,26 @@ int main(int argc, char*argv[]) {
if (errno != EROFS || access("/etc/nologin", F_OK) >= 0) { if (errno != EROFS || access("/etc/nologin", F_OK) >= 0) {
log_error("Failed to remove /etc/nologin file: %m"); log_error("Failed to remove /etc/nologin file: %m");
q = -errno; return EXIT_FAILURE;
} }
} }
if (r < 0 || q < 0) if (r < 0)
goto finish; return EXIT_FAILURE;
} else if (streq(argv[1], "stop")) { } else if (streq(argv[1], "stop")) {
int r; int r;
r = write_string_file_atomic("/run/nologin", "System is going down."); r = write_string_file_atomic("/run/nologin", "System is going down.");
if (r < 0) if (r < 0) {
log_error("Failed to create /run/nologin: %s", strerror(-r)); log_error("Failed to create /run/nologin: %s", strerror(-r));
return EXIT_FAILURE;
}
} else { } else {
log_error("Unknown verb %s.", argv[1]); log_error("Unknown verb %s.", argv[1]);
goto finish; return EXIT_FAILURE;
} }
ret = EXIT_SUCCESS; return EXIT_SUCCESS;
finish:
return ret;
} }