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-rw-r--r--src/start-stop-daemon/start-stop-daemon.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/src/start-stop-daemon/start-stop-daemon.c b/src/start-stop-daemon/start-stop-daemon.c
index 9117f92f..e439388f 100644
--- a/src/start-stop-daemon/start-stop-daemon.c
+++ b/src/start-stop-daemon/start-stop-daemon.c
@@ -878,11 +878,23 @@ int main(int argc, char **argv)
devnull_fd = open("/dev/null", O_RDWR);
+ /* Must call setsid() before setting autogroup nicelevel
+ * but after opening tty_fd. */
+ setsid();
+
if (nicelevel != INT_MIN) {
if (setpriority(PRIO_PROCESS, mypid, nicelevel) == -1)
eerrorx("%s: setpriority %d: %s",
applet, nicelevel,
strerror(errno));
+ /* Open in "r+" mode to avoid creating if non-existent. */
+ fp = fopen("/proc/self/autogroup", "r+");
+ if (fp) {
+ fprintf(fp, "%d\n", nicelevel);
+ fclose(fp);
+ } else if (errno != ENOENT)
+ eerrorx("%s: autogroup nice %d: %s", applet,
+ nicelevel, strerror(errno));
}
if (ionicec != -1 &&
@@ -1118,7 +1130,6 @@ int main(int argc, char **argv)
eerrorx("Failed to set scheduler parameters: %s", strerror(errno));
}
- setsid();
execvp(exec, argv);
#ifdef HAVE_PAM
if (changeuser != NULL && pamr == PAM_SUCCESS)