Merge "libbase: support char parameter in StartsWith/EndsWith."
diff --git a/adb/client/console.cpp b/adb/client/console.cpp
index 9563eac..4e8a3f8 100644
--- a/adb/client/console.cpp
+++ b/adb/client/console.cpp
@@ -135,6 +135,7 @@
     // preventing the emulator from reading the command that adb has sent.
     // https://code.google.com/p/android/issues/detail?id=21021
     int result;
+    std::string emulator_output;
     do {
         char buf[BUFSIZ];
         result = adb_read(fd, buf, sizeof(buf));
@@ -146,8 +147,37 @@
         // appended above, and that causes the emulator to close the socket
         // which should cause zero bytes (orderly/graceful shutdown) to be
         // returned.
+        if (result > 0) emulator_output.append(buf, result);
     } while (result > 0);
 
+    // Note: the following messages are expected to be quite stable from emulator.
+    //
+    // Emulator console will send the following message upon connection:
+    //
+    // Android Console: Authentication required
+    // Android Console: type 'auth <auth_token>' to authenticate
+    // Android Console: you can find your <auth_token> in
+    // '/<path-to-home>/.emulator_console_auth_token'
+    // OK\r\n
+    //
+    // and the following after authentication:
+    // Android Console: type 'help' for a list of commands
+    // OK\r\n
+    //
+    // So try search and skip first two "OK\r\n", print the rest.
+    //
+    const std::string delims = "OK\r\n";
+    size_t found = 0;
+    for (int i = 0; i < 2; ++i) {
+        const size_t result = emulator_output.find(delims, found);
+        if (result == std::string::npos) {
+            break;
+        } else {
+            found = result + delims.size();
+        }
+    }
+
+    printf("%s", emulator_output.c_str() + found);
     adb_close(fd);
 
     return 0;
diff --git a/debuggerd/handler/debuggerd_fallback.cpp b/debuggerd/handler/debuggerd_fallback.cpp
index ed7423b..15c0265 100644
--- a/debuggerd/handler/debuggerd_fallback.cpp
+++ b/debuggerd/handler/debuggerd_fallback.cpp
@@ -250,11 +250,12 @@
         }
 
         uint64_t expected = pack_thread_fd(-1, -1);
-        if (!trace_output.compare_exchange_strong(expected,
-                                                  pack_thread_fd(tid, pipe_write.release()))) {
+        int sent_fd = pipe_write.release();
+        if (!trace_output.compare_exchange_strong(expected, pack_thread_fd(tid, sent_fd))) {
           auto [tid, fd] = unpack_thread_fd(expected);
           async_safe_format_log(ANDROID_LOG_ERROR, "libc",
                                 "thread %d is already outputting to fd %d?", tid, fd);
+          close(sent_fd);
           return false;
         }
 
diff --git a/debuggerd/libdebuggerd/utility.cpp b/debuggerd/libdebuggerd/utility.cpp
index 8bdc02f..d0c5234 100644
--- a/debuggerd/libdebuggerd/utility.cpp
+++ b/debuggerd/libdebuggerd/utility.cpp
@@ -382,6 +382,8 @@
         case TRAP_TRACE: return "TRAP_TRACE";
         case TRAP_BRANCH: return "TRAP_BRANCH";
         case TRAP_HWBKPT: return "TRAP_HWBKPT";
+        case TRAP_UNK:
+          return "TRAP_UNDIAGNOSED";
       }
       if ((si->si_code & 0xff) == SIGTRAP) {
         switch ((si->si_code >> 8) & 0xff) {
@@ -403,7 +405,7 @@
             return "PTRACE_EVENT_STOP";
         }
       }
-      static_assert(NSIGTRAP == TRAP_HWBKPT, "missing TRAP_* si_code");
+      static_assert(NSIGTRAP == TRAP_UNK, "missing TRAP_* si_code");
       break;
   }
   // Then the other codes...
diff --git a/fs_mgr/fs_mgr_overlayfs.cpp b/fs_mgr/fs_mgr_overlayfs.cpp
index 79957f6..2ac638a 100644
--- a/fs_mgr/fs_mgr_overlayfs.cpp
+++ b/fs_mgr/fs_mgr_overlayfs.cpp
@@ -61,10 +61,18 @@
     return false;
 }
 
+bool fs_mgr_overlayfs_mount_all(const std::vector<const fstab_rec*>&) {
+    return false;
+}
+
 std::vector<std::string> fs_mgr_overlayfs_required_devices(fstab*) {
     return {};
 }
 
+std::vector<std::string> fs_mgr_overlayfs_required_devices(const std::vector<const fstab_rec*>&) {
+    return {};
+}
+
 bool fs_mgr_overlayfs_setup(const char*, const char*, bool* change) {
     if (change) *change = false;
     return false;
@@ -764,6 +772,13 @@
     return ret;
 }
 
+bool fs_mgr_overlayfs_mount_all(const std::vector<const fstab_rec*>& fsrecs) {
+    std::vector<fstab_rec> recs;
+    for (const auto& rec : fsrecs) recs.push_back(*rec);
+    fstab fstab = {static_cast<int>(fsrecs.size()), &recs[0]};
+    return fs_mgr_overlayfs_mount_all(&fstab);
+}
+
 std::vector<std::string> fs_mgr_overlayfs_required_devices(fstab* fstab) {
     if (fs_mgr_get_entry_for_mount_point(const_cast<struct fstab*>(fstab), kScratchMountPoint)) {
         return {};
@@ -778,6 +793,14 @@
     return {};
 }
 
+std::vector<std::string> fs_mgr_overlayfs_required_devices(
+        const std::vector<const fstab_rec*>& fsrecs) {
+    std::vector<fstab_rec> recs;
+    for (const auto& rec : fsrecs) recs.push_back(*rec);
+    fstab fstab = {static_cast<int>(fsrecs.size()), &recs[0]};
+    return fs_mgr_overlayfs_required_devices(&fstab);
+}
+
 // Returns false if setup not permitted, errno set to last error.
 // If something is altered, set *change.
 bool fs_mgr_overlayfs_setup(const char* backing, const char* mount_point, bool* change) {
diff --git a/fs_mgr/include/fs_mgr_overlayfs.h b/fs_mgr/include/fs_mgr_overlayfs.h
index 550dd18..9182532 100644
--- a/fs_mgr/include/fs_mgr_overlayfs.h
+++ b/fs_mgr/include/fs_mgr_overlayfs.h
@@ -22,7 +22,10 @@
 #include <vector>
 
 bool fs_mgr_overlayfs_mount_all(fstab* fstab);
+bool fs_mgr_overlayfs_mount_all(const std::vector<const fstab_rec*>& fstab);
 std::vector<std::string> fs_mgr_overlayfs_required_devices(fstab* fstab);
+std::vector<std::string> fs_mgr_overlayfs_required_devices(
+        const std::vector<const fstab_rec*>& fstab);
 bool fs_mgr_overlayfs_setup(const char* backing = nullptr, const char* mount_point = nullptr,
                             bool* change = nullptr);
 bool fs_mgr_overlayfs_teardown(const char* mount_point = nullptr, bool* change = nullptr);