1 /* 2 * Copyright (C) 2020 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ART_ODREFRESH_INCLUDE_ODREFRESH_ODREFRESH_H_ 18 #define ART_ODREFRESH_INCLUDE_ODREFRESH_ODREFRESH_H_ 19 20 #include <sysexits.h> 21 22 namespace art { 23 namespace odrefresh { 24 25 static constexpr const char* kOdrefreshArtifactDirectory = 26 "/data/misc/apexdata/com.android.art/dalvik-cache"; 27 28 // 29 // Exit codes from the odrefresh process (in addition to standard exit codes in sysexits.h). 30 // 31 // NB if odrefresh crashes, then the caller should not sign any artifacts and should remove any 32 // unsigned artifacts under `kOdrefreshArtifactDirectory`. 33 // 34 enum ExitCode : int { 35 // No compilation required, all artifacts look good or there is insufficient space to compile. 36 // For ART APEX in the system image, there may be no artifacts present under 37 // `kOdrefreshArtifactDirectory`. 38 kOkay = EX_OK, 39 40 // Compilation required (only returned for --check). Re-run program with --compile on the 41 // command-line to generate + new artifacts under `kOdrefreshArtifactDirectory`. 42 kCompilationRequired = EX__MAX + 1, 43 44 // New artifacts successfully generated under `kOdrefreshArtifactDirectory`. 45 kCompilationSuccess = EX__MAX + 2, 46 47 // Compilation failed. Any artifacts under `kOdrefreshArtifactDirectory` are valid and should not 48 // be removed. This may happen, for example, if compilation of boot extensions succeeds, but the 49 // compilation of the system_server jars fails due to lack of storage space. 50 kCompilationFailed = EX__MAX + 3, 51 52 // Removal of existing artifacts (or files under `kOdrefreshArtifactDirectory`) failed. Artifacts 53 // should be treated as invalid and should be removed if possible. 54 kCleanupFailed = EX__MAX + 4, 55 56 // Last exit code defined. 57 kLastExitCode = kCleanupFailed, 58 }; 59 60 static_assert(EX_OK == 0); 61 static_assert(ExitCode::kOkay < EX__BASE); 62 static_assert(ExitCode::kLastExitCode < 0xff); // The `exit()` man page discusses the mask value. 63 64 } // namespace odrefresh 65 } // namespace art 66 67 #endif // ART_ODREFRESH_INCLUDE_ODREFRESH_ODREFRESH_H_ 68