3 files changed, 116 insertions, 0 deletions

diff --git a/otautil/include/otautil/DirUtil.h b/otautil/include/otautil/DirUtil.h
new file mode 100644
index 000000000..85d6c16d1
--- /dev/null
+++ b/otautil/include/otautil/DirUtil.h
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2007 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.
+ */
+
+#ifndef OTAUTIL_DIRUTIL_H_
+#define OTAUTIL_DIRUTIL_H_
+
+#include <sys/stat.h>  // mode_t
+
+#include <string>
+
+struct selabel_handle;
+
+// Like "mkdir -p", try to guarantee that all directories specified in path are present, creating as
+// many directories as necessary. The specified mode is passed to all mkdir calls; no modifications
+// are made to umask.
+//
+// If strip_filename is set, everything after the final '/' is stripped before creating the
+// directory
+// hierarchy.
+//
+// Returns 0 on success; returns -1 (and sets errno) on failure (usually if some element of path is
+// not a directory).
+int mkdir_recursively(const std::string& path, mode_t mode, bool strip_filename,
+                      const struct selabel_handle* sehnd);
+
+#endif  // OTAUTIL_DIRUTIL_H_
diff --git a/otautil/include/otautil/SysUtil.h b/otautil/include/otautil/SysUtil.h
new file mode 100644
index 000000000..52f6d20a7
--- /dev/null
+++ b/otautil/include/otautil/SysUtil.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright 2006 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.
+ */
+
+#ifndef _OTAUTIL_SYSUTIL
+#define _OTAUTIL_SYSUTIL
+
+#include <sys/types.h>
+
+#include <string>
+#include <vector>
+
+/*
+ * Use this to keep track of mapped segments.
+ */
+class MemMapping {
+ public:
+  ~MemMapping();
+  // Map a file into a private, read-only memory segment. If 'filename' begins with an '@'
+  // character, it is a map of blocks to be mapped, otherwise it is treated as an ordinary file.
+  bool MapFile(const std::string& filename);
+  size_t ranges() const {
+    return ranges_.size();
+  };
+
+  unsigned char* addr;  // start of data
+  size_t length;        // length of data
+
+ private:
+  struct MappedRange {
+    void* addr;
+    size_t length;
+  };
+
+  bool MapBlockFile(const std::string& filename);
+  bool MapFD(int fd);
+
+  std::vector<MappedRange> ranges_;
+};
+
+#endif  // _OTAUTIL_SYSUTIL
diff --git a/otautil/include/otautil/ThermalUtil.h b/otautil/include/otautil/ThermalUtil.h
new file mode 100644
index 000000000..43ab55940
--- /dev/null
+++ b/otautil/include/otautil/ThermalUtil.h
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) 2017 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.
+ */
+
+#ifndef OTAUTIL_THERMALUTIL_H
+#define OTAUTIL_THERMALUTIL_H
+
+// We can find the temperature reported by all sensors in /sys/class/thermal/thermal_zone*/temp.
+// Their values are in millidegree Celsius; and we will log the maximum one.
+int GetMaxValueFromThermalZone();
+
+#endif  // OTAUTIL_THERMALUTIL_H