installd: Set priority to background for dexopting

This fixes jank caused by dex2oat while installing an application in the
background.

Bug: 17497551
Change-Id: I5a69b00c0fd76ae22a0d1adb242bef6c18a75743
This commit is contained in:
Igor Murashkin 2014-11-05 15:21:12 -08:00
parent 7b97351b68
commit 9e87a80140

View File

@ -20,6 +20,7 @@
#include <cutils/sched_policy.h> #include <cutils/sched_policy.h>
#include <diskusage/dirsize.h> #include <diskusage/dirsize.h>
#include <selinux/android.h> #include <selinux/android.h>
#include <system/thread_defs.h>
/* Directory records that are used in execution of commands. */ /* Directory records that are used in execution of commands. */
dir_rec_t android_data_dir; dir_rec_t android_data_dir;
@ -985,6 +986,10 @@ int dexopt(const char *apk_path, uid_t uid, bool is_public,
ALOGE("set_sched_policy failed: %s\n", strerror(errno)); ALOGE("set_sched_policy failed: %s\n", strerror(errno));
exit(70); exit(70);
} }
if (setpriority(PRIO_PROCESS, 0, ANDROID_PRIORITY_BACKGROUND) < 0) {
ALOGE("setpriority failed: %s\n", strerror(errno));
exit(71);
}
if (flock(out_fd, LOCK_EX | LOCK_NB) != 0) { if (flock(out_fd, LOCK_EX | LOCK_NB) != 0) {
ALOGE("flock(%s) failed: %s\n", out_path, strerror(errno)); ALOGE("flock(%s) failed: %s\n", out_path, strerror(errno));
exit(67); exit(67);