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udev: reset /proc/self/oom_score_adj in worker processes

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Only the main daemon process should be excluded from OOM handling,
not the worker processes or their child processes.
This commit is contained in:
Kay Sievers 2012-06-04 18:10:50 +02:00
parent 8600c525cb
commit 145dae7eb3
1 changed files with 4 additions and 6 deletions
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10
src/udev/udevd.c
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@ -262,6 +262,9 @@ static void worker_new(struct event *event)
/* request TERM signal if parent exits */
prctl(PR_SET_PDEATHSIG, SIGTERM);
/* reset OOM score, we only protect the main daemon */
write_one_line_file("/proc/self/oom_score_adj", "0");
for (;;) {
struct udev_event *udev_event;
struct worker_message msg;
@ -1230,7 +1233,6 @@ int main(int argc, char *argv[])
if (daemonize) {
pid_t pid;
int fd;
pid = fork();
switch (pid) {
@ -1247,11 +1249,7 @@ int main(int argc, char *argv[])
setsid();
fd = open("/proc/self/oom_score_adj", O_RDWR|O_CLOEXEC);
if (fd >= 0) {
write(fd, "-1000", 5);
close(fd);
}
write_one_line_file("/proc/self/oom_score_adj", "-1000");
} else {
sd_notify(1, "READY=1");
}