Revert "Revert "Use O_CLOEXEC when opening cgroup fds.""

This reverts commit 4df54bc4a85eacfff9c81dc0a7ebf3fd88a99982.

1 files changed, 5 insertions, 5 deletions

diff --git a/libcutils/sched_policy.c b/libcutils/sched_policy.c
index 79c6994d9..e03ce009a 100644
--- a/libcutils/sched_policy.c
+++ b/libcutils/sched_policy.c
@@ -131,32 +131,32 @@ static void __initialize(void) {
 
 #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));
         }