Adding Peter Thatcher to the owners file.
[chromium-blink-merge.git] / sandbox / linux / suid / process_util.h
blob9fb9a8791a750f58346164b11e3ae0233b83a2eb
1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 // The following is duplicated from base/process_utils.h.
6 // We shouldn't link against C++ code in a setuid binary.
8 #ifndef SANDBOX_LINUX_SUID_PROCESS_UTIL_H_
9 #define SANDBOX_LINUX_SUID_PROCESS_UTIL_H_
11 #include <stdbool.h>
12 #include <sys/types.h>
14 // This adjusts /proc/process/oom_score_adj so the Linux OOM killer
15 // will prefer certain process types over others. The range for the
16 // adjustment is [-1000, 1000], with [0, 1000] being user accessible.
18 // If the Linux system isn't new enough to use oom_score_adj, then we
19 // try to set the older oom_adj value instead, scaling the score to
20 // the required range of [0, 15]. This may result in some aliasing of
21 // values, of course.
22 bool AdjustOOMScore(pid_t process, int score);
24 // This adjusts /sys/kernel/mm/chromeos-low_mem/margin so that
25 // the kernel notifies us that we are low on memory when less than
26 // |margin_mb| megabytes are available. Setting |margin_mb| to -1
27 // turns off low memory notification.
28 bool AdjustLowMemoryMargin(int64_t margin_mb);
30 #endif // SANDBOX_LINUX_SUID_PROCESS_UTIL_H_