Merge "set iostat_period_ms to 1 sec"
diff --git a/fs_mgr/OWNERS b/fs_mgr/OWNERS
index 6f1059b..bd46489 100644
--- a/fs_mgr/OWNERS
+++ b/fs_mgr/OWNERS
@@ -1,4 +1,4 @@
-# Bug component: 30545
+# Bug component: 325626
 bowgotsai@google.com
 dvander@google.com
 elsk@google.com
diff --git a/fs_mgr/libsnapshot/Android.bp b/fs_mgr/libsnapshot/Android.bp
index 8e4b556..2165961 100644
--- a/fs_mgr/libsnapshot/Android.bp
+++ b/fs_mgr/libsnapshot/Android.bp
@@ -261,6 +261,7 @@
     },
     auto_gen_config: true,
     require_root: true,
+    compile_multilib: "first",
 }
 
 cc_test {
diff --git a/init/init.cpp b/init/init.cpp
index 540e2ca..4262191 100644
--- a/init/init.cpp
+++ b/init/init.cpp
@@ -739,33 +739,13 @@
     HandlePowerctlMessage("shutdown,container");
 }
 
-static constexpr std::chrono::milliseconds kDiagnosticTimeout = 10s;
-
-static void HandleSignalFd(bool one_off) {
+static void HandleSignalFd() {
     signalfd_siginfo siginfo;
-    auto started = std::chrono::steady_clock::now();
-    do {
-        ssize_t bytes_read = TEMP_FAILURE_RETRY(read(signal_fd, &siginfo, sizeof(siginfo)));
-        if (bytes_read < 0 && errno == EAGAIN) {
-            if (one_off) {
-                return;
-            }
-            auto now = std::chrono::steady_clock::now();
-            std::chrono::duration<double> waited = now - started;
-            if (waited >= kDiagnosticTimeout) {
-                LOG(ERROR) << "epoll() woke us up, but we waited with no SIGCHLD!";
-                started = now;
-            }
-
-            std::this_thread::sleep_for(100ms);
-            continue;
-        }
-        if (bytes_read != sizeof(siginfo)) {
-            PLOG(ERROR) << "Failed to read siginfo from signal_fd";
-            return;
-        }
-        break;
-    } while (!one_off);
+    ssize_t bytes_read = TEMP_FAILURE_RETRY(read(signal_fd, &siginfo, sizeof(siginfo)));
+    if (bytes_read != sizeof(siginfo)) {
+        PLOG(ERROR) << "Failed to read siginfo from signal_fd";
+        return;
+    }
 
     switch (siginfo.ssi_signo) {
         case SIGCHLD:
@@ -820,14 +800,13 @@
         LOG(FATAL) << "Failed to register a fork handler: " << strerror(result);
     }
 
-    signal_fd = signalfd(-1, &mask, SFD_CLOEXEC | SFD_NONBLOCK);
+    signal_fd = signalfd(-1, &mask, SFD_CLOEXEC);
     if (signal_fd == -1) {
         PLOG(FATAL) << "failed to create signalfd";
     }
 
     constexpr int flags = EPOLLIN | EPOLLPRI;
-    auto handler = std::bind(HandleSignalFd, false);
-    if (auto result = epoll->RegisterHandler(signal_fd, handler, flags); !result.ok()) {
+    if (auto result = epoll->RegisterHandler(signal_fd, HandleSignalFd, flags); !result.ok()) {
         LOG(FATAL) << result.error();
     }
 }
@@ -956,32 +935,6 @@
     return {};
 }
 
-static void DumpPidFds(const std::string& prefix, pid_t pid) {
-    std::error_code ec;
-    std::string proc_dir = "/proc/" + std::to_string(pid) + "/fd";
-    for (const auto& entry : std::filesystem::directory_iterator(proc_dir)) {
-        std::string target;
-        if (android::base::Readlink(entry.path(), &target)) {
-            LOG(ERROR) << prefix << target;
-        } else {
-            LOG(ERROR) << prefix << entry.path();
-        }
-    }
-}
-
-static void DumpFile(const std::string& prefix, const std::string& file) {
-    std::ifstream fp(file);
-    if (!fp) {
-        LOG(ERROR) << "Could not open " << file;
-        return;
-    }
-
-    std::string line;
-    while (std::getline(fp, line)) {
-        LOG(ERROR) << prefix << line;
-    }
-}
-
 int SecondStageMain(int argc, char** argv) {
     if (REBOOT_BOOTLOADER_ON_PANIC) {
         InstallRebootSignalHandlers();
@@ -1155,7 +1108,7 @@
     setpriority(PRIO_PROCESS, 0, 0);
     while (true) {
         // By default, sleep until something happens.
-        std::chrono::milliseconds epoll_timeout{kDiagnosticTimeout};
+        std::optional<std::chrono::milliseconds> epoll_timeout;
 
         auto shutdown_command = shutdown_state.CheckShutdown();
         if (shutdown_command) {
@@ -1187,25 +1140,6 @@
         auto epoll_result = epoll.Wait(epoll_timeout);
         if (!epoll_result.ok()) {
             LOG(ERROR) << epoll_result.error();
-        } else if (*epoll_result <= 0 && Service::is_exec_service_running()) {
-            static bool dumped_diagnostics = false;
-            std::chrono::duration<double> waited =
-                    std::chrono::steady_clock::now() - Service::exec_service_started();
-            if (waited >= kDiagnosticTimeout) {
-                LOG(ERROR) << "Exec service is hung? Waited " << waited.count()
-                           << " without SIGCHLD";
-                if (!dumped_diagnostics) {
-                    DumpPidFds("exec service opened: ", Service::exec_service_pid());
-
-                    std::string status_file =
-                            "/proc/" + std::to_string(Service::exec_service_pid()) + "/status";
-                    DumpFile("exec service: ", status_file);
-                    dumped_diagnostics = true;
-
-                    LOG(INFO) << "Attempting to handle any stuck SIGCHLDs...";
-                    HandleSignalFd(true);
-                }
-            }
         }
         if (!IsShuttingDown()) {
             HandleControlMessages();
diff --git a/init/init_test.cpp b/init/init_test.cpp
index 7bad6fd..aea1cb3 100644
--- a/init/init_test.cpp
+++ b/init/init_test.cpp
@@ -194,10 +194,9 @@
 }
 
 TEST(init, StartConsole) {
-    // Two different failures have been observed for this test: (1) No
-    // permission to open /dev/console and (2) getsid() != pid. Skip this test
-    // until these failures have been root-caused and fixed.
-    GTEST_SKIP() << "This test needs to be improved";
+    if (access("/dev/console", F_OK) < 0) {
+        GTEST_SKIP() << "/dev/console not found";
+    }
     std::string init_script = R"init(
 service console /system/bin/sh
     class core
@@ -205,7 +204,7 @@
     disabled
     user root
     group root shell log readproc
-    seclabel u:r:su:s0
+    seclabel u:r:shell:s0
     setenv HOSTNAME console
 )init";
 
@@ -219,7 +218,7 @@
     ASSERT_RESULT_OK(service->Start());
     const pid_t pid = service->pid();
     ASSERT_GT(pid, 0);
-    EXPECT_EQ(getsid(pid), pid);
+    EXPECT_NE(getsid(pid), 0);
     service->Stop();
 }
 
diff --git a/init/service.cpp b/init/service.cpp
index ccc7191..8db2b05 100644
--- a/init/service.cpp
+++ b/init/service.cpp
@@ -136,8 +136,6 @@
 
 unsigned long Service::next_start_order_ = 1;
 bool Service::is_exec_service_running_ = false;
-pid_t Service::exec_service_pid_ = -1;
-std::chrono::time_point<std::chrono::steady_clock> Service::exec_service_started_;
 
 Service::Service(const std::string& name, Subcontext* subcontext_for_restart_commands,
                  const std::string& filename, const std::vector<std::string>& args)
@@ -433,8 +431,6 @@
 
     flags_ |= SVC_EXEC;
     is_exec_service_running_ = true;
-    exec_service_pid_ = pid_;
-    exec_service_started_ = std::chrono::steady_clock::now();
 
     LOG(INFO) << "SVC_EXEC service '" << name_ << "' pid " << pid_ << " (uid " << proc_attr_.uid
               << " gid " << proc_attr_.gid << "+" << proc_attr_.supp_gids.size() << " context "
diff --git a/init/service.h b/init/service.h
index 54bf638..6fb2804 100644
--- a/init/service.h
+++ b/init/service.h
@@ -104,10 +104,6 @@
     size_t CheckAllCommands() const { return onrestart_.CheckAllCommands(); }
 
     static bool is_exec_service_running() { return is_exec_service_running_; }
-    static pid_t exec_service_pid() { return exec_service_pid_; }
-    static std::chrono::time_point<std::chrono::steady_clock> exec_service_started() {
-        return exec_service_started_;
-    }
 
     const std::string& name() const { return name_; }
     const std::set<std::string>& classnames() const { return classnames_; }
@@ -160,8 +156,6 @@
     void SetMountNamespace();
     static unsigned long next_start_order_;
     static bool is_exec_service_running_;
-    static std::chrono::time_point<std::chrono::steady_clock> exec_service_started_;
-    static pid_t exec_service_pid_;
 
     const std::string name_;
     std::set<std::string> classnames_;
diff --git a/trusty/storage/proxy/Android.bp b/trusty/storage/proxy/Android.bp
index 94f26d8..e952ee0 100644
--- a/trusty/storage/proxy/Android.bp
+++ b/trusty/storage/proxy/Android.bp
@@ -32,11 +32,11 @@
 
     shared_libs: [
         "libbase",
+        "libcutils",
         "liblog",
         "libhardware_legacy",
     ],
     header_libs: [
-        "libcutils_headers",
         "libgsi_headers",
     ],
 
diff --git a/trusty/storage/proxy/storage.c b/trusty/storage/proxy/storage.c
index c531cfd..033dc21 100644
--- a/trusty/storage/proxy/storage.c
+++ b/trusty/storage/proxy/storage.c
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+#include <cutils/properties.h>
 #include <errno.h>
 #include <fcntl.h>
 #include <inttypes.h>
@@ -43,6 +44,22 @@
 
 static const char *ssdir_name;
 
+/*
+ * Property set to 1 after we have opened a file under ssdir_name. The backing
+ * files for both TD and TDP are currently located under /data/vendor/ss and can
+ * only be opened once userdata is mounted. This storageproxyd service is
+ * restarted when userdata is available, which causes the Trusty storage service
+ * to reconnect and attempt to open the backing files for TD and TDP. Once we
+ * set this property, other users can expect that the Trusty storage service
+ * ports will be available (although they may block if still being initialized),
+ * and connections will not be reset after this point (assuming the
+ * storageproxyd service stays running).
+ */
+#define FS_READY_PROPERTY "ro.vendor.trusty.storage.fs_ready"
+
+/* has FS_READY_PROPERTY been set? */
+static bool fs_ready_initialized = false;
+
 static enum sync_state fs_state;
 static enum sync_state fd_state[FD_TBL_SIZE];
 
@@ -336,6 +353,16 @@
     ALOGV("%s: \"%s\": fd = %u: handle = %d\n",
           __func__, path, rc, resp.handle);
 
+    /* a backing file has been opened, notify any waiting init steps */
+    if (!fs_ready_initialized) {
+        rc = property_set(FS_READY_PROPERTY, "1");
+        if (rc == 0) {
+            fs_ready_initialized = true;
+        } else {
+            ALOGE("Could not set property %s, rc: %d\n", FS_READY_PROPERTY, rc);
+        }
+    }
+
     return ipc_respond(msg, &resp, sizeof(resp));
 
 err_response: