/* * Copyright (C) 2014 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 #include #include TEST(libc, __pstore_append) { #ifdef __ANDROID__ FILE *fp; ASSERT_TRUE(NULL != (fp = fopen("/dev/pmsg0", "a"))); static const char message[] = "libc.__pstore_append\n"; ASSERT_EQ((size_t)1, fwrite(message, sizeof(message), 1, fp)); int fflushReturn = fflush(fp); int fflushErrno = fflushReturn ? errno : 0; ASSERT_EQ(0, fflushReturn); ASSERT_EQ(0, fflushErrno); int fcloseReturn = fclose(fp); int fcloseErrno = fcloseReturn ? errno : 0; ASSERT_EQ(0, fcloseReturn); ASSERT_EQ(0, fcloseErrno); if ((fcloseErrno == ENOMEM) || (fflushErrno == ENOMEM)) { fprintf(stderr, "Kernel does not have space allocated to pmsg pstore driver configured\n" ); } if (!fcloseReturn && !fcloseErrno && !fflushReturn && !fflushReturn) { fprintf(stderr, "Reboot, ensure string libc.__pstore_append is in /sys/fs/pstore/pmsg-ramoops-0\n" ); } #else GTEST_LOG_(INFO) << "This test does nothing.\n"; #endif }