mirror of
https://github.com/Ponce/slackbuilds
synced 2024-10-05 23:07:14 +02:00
45 lines
1.1 KiB
Diff
45 lines
1.1 KiB
Diff
From 0edbd2e0164a8c6cbad415e38083469041f29996 Mon Sep 17 00:00:00 2001
|
|
From: David Phillips <dbphillipsnz@gmail.com>
|
|
Date: Fri, 19 Jun 2015 23:42:15 +1200
|
|
Subject: [PATCH 7/9] Slightly safer OOM killer disablement in linux
|
|
|
|
---
|
|
slock.c | 13 ++++++++++++-
|
|
1 file changed, 12 insertions(+), 1 deletion(-)
|
|
|
|
diff --git a/slock.c b/slock.c
|
|
index d6053af..b3bee92 100644
|
|
--- a/slock.c
|
|
+++ b/slock.c
|
|
@@ -60,16 +60,27 @@ die(const char *errstr, ...)
|
|
|
|
#ifdef __linux__
|
|
#include <fcntl.h>
|
|
+#include <linux/oom.h>
|
|
|
|
static void
|
|
dontkillme(void)
|
|
{
|
|
int fd;
|
|
+ int length;
|
|
+ char value[64];
|
|
|
|
fd = open("/proc/self/oom_score_adj", O_WRONLY);
|
|
if (fd < 0 && errno == ENOENT)
|
|
return;
|
|
- if (fd < 0 || write(fd, "-1000\n", 6) != 6 || close(fd) != 0)
|
|
+
|
|
+ /* convert OOM_SCORE_ADJ_MIN to string for writing */
|
|
+ length = snprintf(value, sizeof(value), "%d\n", OOM_SCORE_ADJ_MIN);
|
|
+
|
|
+ /* bail on truncation */
|
|
+ if (length >= sizeof(value))
|
|
+ die("buffer too small\n");
|
|
+
|
|
+ if (fd < 0 || write(fd, value, length) != length || close(fd) != 0)
|
|
die("cannot disable the out-of-memory killer for this process\n");
|
|
}
|
|
#endif
|
|
--
|
|
2.6.4
|
|
|