Merge "Mutex: Note that STL is generally prefered" into nyc-dev
diff --git a/fs_mgr/fs_mgr.c b/fs_mgr/fs_mgr.c
index e92cca5..bc072bc 100644
--- a/fs_mgr/fs_mgr.c
+++ b/fs_mgr/fs_mgr.c
@@ -101,6 +101,7 @@
char tmpmnt_opts[64] = "errors=remount-ro";
char *e2fsck_argv[] = {
E2FSCK_BIN,
+ "-f",
"-y",
blk_device
};
diff --git a/init/builtins.cpp b/init/builtins.cpp
index 2e72832..1fddc63 100644
--- a/init/builtins.cpp
+++ b/init/builtins.cpp
@@ -16,11 +16,13 @@
#include "builtins.h"
+#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <mntent.h>
#include <net/if.h>
#include <signal.h>
+#include <sched.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@@ -39,6 +41,7 @@
#include <selinux/label.h>
#include <fs_mgr.h>
+#include <android-base/file.h>
#include <android-base/parseint.h>
#include <android-base/stringprintf.h>
#include <cutils/partition_utils.h>
@@ -103,6 +106,32 @@
return ret;
}
+// Turn off backlight while we are performing power down cleanup activities.
+static void turnOffBacklight() {
+ static const char off[] = "0";
+
+ android::base::WriteStringToFile(off, "/sys/class/leds/lcd-backlight/brightness");
+
+ static const char backlightDir[] = "/sys/class/backlight";
+ std::unique_ptr<DIR, int(*)(DIR*)> dir(opendir(backlightDir), closedir);
+ if (!dir) {
+ return;
+ }
+
+ struct dirent *dp;
+ while ((dp = readdir(dir.get())) != NULL) {
+ if (((dp->d_type != DT_DIR) && (dp->d_type != DT_LNK)) ||
+ (dp->d_name[0] == '.')) {
+ continue;
+ }
+
+ std::string fileName = android::base::StringPrintf("%s/%s/brightness",
+ backlightDir,
+ dp->d_name);
+ android::base::WriteStringToFile(off, fileName);
+ }
+}
+
static void unmount_and_fsck(const struct mntent *entry) {
if (strcmp(entry->mnt_type, "f2fs") && strcmp(entry->mnt_type, "ext4"))
return;
@@ -127,6 +156,18 @@
ServiceManager::GetInstance().ForEachService([] (Service* s) { s->Stop(); });
TEMP_FAILURE_RETRY(kill(-1, SIGKILL));
+ // Restart Watchdogd to allow us to complete umounting and fsck
+ Service *svc = ServiceManager::GetInstance().FindServiceByName("watchdogd");
+ if (svc) {
+ do {
+ sched_yield(); // do not be so eager, let cleanup have priority
+ ServiceManager::GetInstance().ReapAnyOutstandingChildren();
+ } while (svc->flags() & SVC_RUNNING); // Paranoid Cargo
+ svc->Start();
+ }
+
+ turnOffBacklight();
+
int count = 0;
while (count++ < UNMOUNT_CHECK_TIMES) {
int fd = TEMP_FAILURE_RETRY(open(entry->mnt_fsname, O_RDONLY | O_EXCL));
@@ -147,6 +188,11 @@
}
}
+ // NB: With watchdog still running, there is no cap on the time it takes
+ // to complete the fsck, from the users perspective the device graphics
+ // and responses are locked-up and they may choose to hold the power
+ // button in frustration if it drags out.
+
int st;
if (!strcmp(entry->mnt_type, "f2fs")) {
const char *f2fs_argv[] = {