commit e1440d81aef58e8b9983ab1f4540dc1fe5e63ab7
author Jeff Brown <jeffbrown@google.com> Tue May 08 13:41:10 2012 -0700
committer Jeff Brown <jeffbrown@google.com> Tue May 08 13:41:10 2012 -0700
tree e4e86c63167a71ae6e76a3bca2dd848768585818
parent a865f6d85a52d0a77d1aef8d5fb5bece08e3b246

Use O_CLOEXEC when opening cgroup fds.

Bug: 4466013
Change-Id: I0d2e915fc550a0ecaccad5e452dd4c87fc878b8b

libcutils/sched_policy.c

diff --git a/libcutils/sched_policy.c b/libcutils/sched_policy.c
index 20771c0..3fe83b3 100644
--- a/libcutils/sched_policy.c
+++ b/libcutils/sched_policy.c
@@ -124,32 +124,32 @@
 
 #if CAN_SET_SP_SYSTEM
         filename = "/dev/cpuctl/tasks";
-        system_cgroup_fd = open(filename, O_WRONLY);
+        system_cgroup_fd = open(filename, O_WRONLY | O_CLOEXEC);
         if (system_cgroup_fd < 0) {
             SLOGV("open of %s failed: %s\n", filename, strerror(errno));
         }
 #endif
 
         filename = "/dev/cpuctl/foreground/tasks";
-        fg_cgroup_fd = open(filename, O_WRONLY);
+        fg_cgroup_fd = open(filename, O_WRONLY | O_CLOEXEC);
         if (fg_cgroup_fd < 0) {
             SLOGE("open of %s failed: %s\n", filename, strerror(errno));
         }
 
         filename = "/dev/cpuctl/bg_non_interactive/tasks";
-        bg_cgroup_fd = open(filename, O_WRONLY);
+        bg_cgroup_fd = open(filename, O_WRONLY | O_CLOEXEC);
         if (bg_cgroup_fd < 0) {
             SLOGE("open of %s failed: %s\n", filename, strerror(errno));
         }
 
         filename = "/dev/cpuctl/audio_app/tasks";
-        audio_app_cgroup_fd = open(filename, O_WRONLY);
+        audio_app_cgroup_fd = open(filename, O_WRONLY | O_CLOEXEC);
         if (audio_app_cgroup_fd < 0) {
             SLOGV("open of %s failed: %s\n", filename, strerror(errno));
         }
 
         filename = "/dev/cpuctl/audio_sys/tasks";
-        audio_sys_cgroup_fd = open(filename, O_WRONLY);
+        audio_sys_cgroup_fd = open(filename, O_WRONLY | O_CLOEXEC);
         if (audio_sys_cgroup_fd < 0) {
             SLOGV("open of %s failed: %s\n", filename, strerror(errno));
         }