core: update from upstream

Followed instructions from go/nnapi-dep-instructions.

No manual changes / interventions have been made.

$ git merge origin/master --no-ff
$ git push origin HEAD:refs/for/master

BUG=chromium:1182060
TEST=cq passes

Submitting directly since this repo is not mapped into ChromeOS, but is
used by copybara to populate other repos (libutils, libcutils).

Exempt-From-Owner-Approval: This is a forked repo
Change-Id: I6bf469f2e36264b3d93069b300b7723059e532c4
GitOrigin-RevId: 78faf8a6c10fd46247acc3362d09d81f90b0a51b
diff --git a/Android.bp b/Android.bp
index cf809f1..b38818a 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1,48 +1,51 @@
-//
-// Copyright (C) 2008 The Android Open Source Project
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
+package {
+    default_applicable_licenses: ["system_core_libcutils_license"],
+}
+
+license {
+    name: "system_core_libcutils_license",
+    visibility: [":__subpackages__"],
+    license_kinds: [
+        "SPDX-license-identifier-Apache-2.0",
+        "SPDX-license-identifier-BSD",
+        "SPDX-license-identifier-MIT", // strlcpy.c
+    ],
+    license_text: [
+        "NOTICE",
+    ],
+}
 
 filegroup {
     name: "android_filesystem_config_header",
     srcs: ["include/private/android_filesystem_config.h"],
 }
 
-// some files must not be compiled when building against Mingw
-// they correspond to features not used by our host development tools
-// which are also hard or even impossible to port to native Win32
-libcutils_nonwindows_sources = [
-    "fs.cpp",
-    "hashmap.cpp",
-    "multiuser.cpp",
-    "str_parms.cpp",
-]
+cc_defaults {
+    name: "libcutils_defaults",
+    cflags: [
+        "-Wno-exit-time-destructors",
+    ],
 
-cc_library_headers {
-    name: "libcutils_headers",
-    vendor_available: true,
     product_available: true,
-    recovery_available: true,
     ramdisk_available: true,
+    recovery_available: true,
+    vendor_available: true,
     vendor_ramdisk_available: true,
+
     host_supported: true,
+    native_bridge_supported: true,
+
     apex_available: [
         "//apex_available:platform",
         "//apex_available:anyapex",
     ],
     min_sdk_version: "29",
-    native_bridge_supported: true,
+}
+
+cc_library_headers {
+    name: "libcutils_headers",
+    defaults: ["libcutils_defaults"],
+
     export_include_dirs: ["include"],
     target: {
         vendor: {
@@ -63,18 +66,7 @@
 // Socket specific parts of libcutils that are safe to statically link into an APEX.
 cc_library {
     name: "libcutils_sockets",
-    vendor_available: true,
-    product_available: true,
-    recovery_available: true,
-    ramdisk_available: true,
-    vendor_ramdisk_available: true,
-    host_supported: true,
-    native_bridge_supported: true,
-    apex_available: [
-        "//apex_available:platform",
-        "//apex_available:anyapex",
-    ],
-    min_sdk_version: "29",
+    defaults: ["libcutils_defaults"],
 
     export_include_dirs: ["include"],
 
@@ -145,29 +137,28 @@
     },
 }
 
+// some files must not be compiled when building against Mingw
+// they correspond to features not used by our host development tools
+// which are also hard or even impossible to port to native Win32
+libcutils_nonwindows_sources = [
+    "fs.cpp",
+    "hashmap.cpp",
+    "multiuser.cpp",
+    "str_parms.cpp",
+]
+
 cc_library {
     name: "libcutils",
-    vendor_available: true,
-    product_available: true,
+    defaults: ["libcutils_defaults"],
     vndk: {
         enabled: true,
         support_system_process: true,
     },
-    recovery_available: true,
-    vendor_ramdisk_available: true,
-    host_supported: true,
-    apex_available: [
-        "//apex_available:platform",
-        "//apex_available:anyapex",
-    ],
-    min_sdk_version: "29",
-    native_bridge_supported: true,
     srcs: [
         "config_utils.cpp",
         "canned_fs_config.cpp",
         "iosched_policy.cpp",
         "load_file.cpp",
-        "memory.cpp",
         "native_handle.cpp",
         "properties.cpp",
         "record_stream.cpp",
@@ -179,10 +170,14 @@
         linux_bionic: {
             enabled: true,
         },
+        linux: {
+            srcs: [
+                "fs_config.cpp",
+            ],
+        },
         not_windows: {
             srcs: libcutils_nonwindows_sources + [
                 "ashmem-host.cpp",
-                "fs_config.cpp",
                 "trace-host.cpp",
             ],
         },
@@ -202,7 +197,6 @@
             srcs: libcutils_nonwindows_sources + [
                 "android_reboot.cpp",
                 "ashmem-dev.cpp",
-                "fs_config.cpp",
                 "klog.cpp",
                 "partition_utils.cpp",
                 "qtaguid.cpp",
@@ -210,9 +204,6 @@
                 "uevent.cpp",
             ],
         },
-        bionic: {
-            header_libs: ["bionic_libc_platform_headers"],
-        },
 
         android_arm: {
             sanitize: {
@@ -263,7 +254,6 @@
     header_libs: [
         "libbase_headers",
         "libcutils_headers",
-        "libutils_headers",
         "libprocessgroup_headers",
     ],
     export_header_lib_headers: [
diff --git a/fs_config.cpp b/fs_config.cpp
index 79c3abc..54eeeac 100644
--- a/fs_config.cpp
+++ b/fs_config.cpp
@@ -37,7 +37,6 @@
 #include <android-base/strings.h>
 #include <log/log.h>
 #include <private/android_filesystem_config.h>
-#include <utils/Compat.h>
 
 #include "fs_config.h"
 
diff --git a/include/cutils/memory.h b/include/cutils/memory.h
index 0fba53c..c6476c1 100644
--- a/include/cutils/memory.h
+++ b/include/cutils/memory.h
@@ -28,9 +28,6 @@
 size_t strlcpy(char *dst, const char *src, size_t size);
 #endif
 
-// Disables memory mitigations for the entire process, and logs appropriately.
-void process_disable_memory_mitigations();
-
 #ifdef __cplusplus
 } // extern "C"
 #endif
diff --git a/include/cutils/threads.h b/include/cutils/threads.h
index 0f7f8a8..0082c6c 100644
--- a/include/cutils/threads.h
+++ b/include/cutils/threads.h
@@ -31,7 +31,9 @@
 //
 // Deprecated: use android::base::GetThreadId instead, which doesn't truncate on Mac/Windows.
 //
+#if !defined(__GLIBC__) || __GLIBC__ >= 2 && __GLIBC_MINOR__ < 32
 extern pid_t gettid();
+#endif
 
 #ifdef __cplusplus
 }
diff --git a/include/cutils/trace.h b/include/cutils/trace.h
index 793e2ce..ef426ff 100644
--- a/include/cutils/trace.h
+++ b/include/cutils/trace.h
@@ -104,14 +104,6 @@
 void atrace_update_tags();
 
 /**
- * Set whether the process is debuggable.  By default the process is not
- * considered debuggable.  If the process is not debuggable then application-
- * level tracing is not allowed unless the ro.debuggable system property is
- * set to '1'.
- */
-void atrace_set_debuggable(bool debuggable);
-
-/**
  * Set whether tracing is enabled for the current process.  This is used to
  * prevent tracing within the Zygote process.
  */
diff --git a/memory.cpp b/memory.cpp
deleted file mode 100644
index f526520..0000000
--- a/memory.cpp
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * Copyright (C) 2020 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <cutils/memory.h>
-
-#include <log/log.h>
-
-#ifdef __BIONIC__
-#include <bionic/malloc.h>
-#endif
-
-void process_disable_memory_mitigations() {
-    bool success = false;
-#ifdef __BIONIC__
-    // TODO(b/158870657) is fixed and scudo is used globally, we can assert when an
-    // an error is returned.
-
-    success = android_mallopt(M_DISABLE_MEMORY_MITIGATIONS, nullptr, 0);
-#endif
-
-    if (success) {
-        ALOGI("Disabled memory mitigations for process.");
-    } else {
-        ALOGE("Could not disable memory mitigations for process.");
-    }
-}
diff --git a/threads.cpp b/threads.cpp
index 8cfee1e..6ece7a3 100644
--- a/threads.cpp
+++ b/threads.cpp
@@ -25,8 +25,9 @@
 #include <windows.h>
 #endif
 
-#if defined(__BIONIC__)
+#if defined(__BIONIC__) || defined(__GLIBC__) && __GLIBC_MINOR__ >= 32
 // No definition needed for Android because we'll just pick up bionic's copy.
+// No definition needed for Glibc >= 2.32 because it exposes its own copy.
 #else
 pid_t gettid() {
 #if defined(__APPLE__)
diff --git a/trace-dev.inc b/trace-dev.inc
index 6543426..3b459e0 100644
--- a/trace-dev.inc
+++ b/trace-dev.inc
@@ -21,6 +21,7 @@
 
 #include <errno.h>
 #include <fcntl.h>
+#include <fnmatch.h>
 #include <limits.h>
 #include <pthread.h>
 #include <stdatomic.h>
@@ -51,7 +52,6 @@
 atomic_bool              atrace_is_ready      = ATOMIC_VAR_INIT(false);
 int                      atrace_marker_fd     = -1;
 uint64_t                 atrace_enabled_tags  = ATRACE_TAG_NOT_READY;
-static bool              atrace_is_debuggable = false;
 static atomic_bool       atrace_is_enabled    = ATOMIC_VAR_INIT(true);
 static pthread_mutex_t   atrace_tags_mutex    = PTHREAD_MUTEX_INITIALIZER;
 
@@ -95,15 +95,6 @@
     return atrace_enabled_tags;
 }
 
-// Set whether this process is debuggable, which determines whether
-// application-level tracing is allowed when the ro.debuggable system property
-// is not set to '1'.
-void atrace_set_debuggable(bool debuggable)
-{
-    atrace_is_debuggable = debuggable;
-    atrace_update_tags();
-}
-
 // Check whether the given command line matches one of the comma-separated
 // values listed in the app_cmdlines property.
 static bool atrace_is_cmdline_match(const char* cmdline)
@@ -116,7 +107,7 @@
     for (int i = 0; i < count; i++) {
         snprintf(buf, sizeof(buf), "debug.atrace.app_%d", i);
         property_get(buf, value, "");
-        if (strcmp(value, "*") == 0 || strcmp(value, cmdline) == 0) {
+        if (fnmatch(value, cmdline, FNM_NOESCAPE) == 0) {
             return true;
         }
     }
@@ -127,24 +118,21 @@
 // Determine whether application-level tracing is enabled for this process.
 static bool atrace_is_app_tracing_enabled()
 {
-    bool sys_debuggable = property_get_bool("ro.debuggable", 0);
     bool result = false;
 
-    if (sys_debuggable || atrace_is_debuggable) {
-        // Check whether tracing is enabled for this process.
-        FILE * file = fopen("/proc/self/cmdline", "re");
-        if (file) {
-            char cmdline[4096];
-            if (fgets(cmdline, sizeof(cmdline), file)) {
-                result = atrace_is_cmdline_match(cmdline);
-            } else {
-                ALOGE("Error reading cmdline: %s (%d)", strerror(errno), errno);
-            }
-            fclose(file);
+    // Check whether tracing is enabled for this process.
+    FILE * file = fopen("/proc/self/cmdline", "re");
+    if (file) {
+        char cmdline[4096];
+        if (fgets(cmdline, sizeof(cmdline), file)) {
+            result = atrace_is_cmdline_match(cmdline);
         } else {
-            ALOGE("Error opening /proc/self/cmdline: %s (%d)", strerror(errno),
-                    errno);
+            ALOGE("Error reading cmdline: %s (%d)", strerror(errno), errno);
         }
+        fclose(file);
+    } else {
+        ALOGE("Error opening /proc/self/cmdline: %s (%d)", strerror(errno),
+                errno);
     }
 
     return result;