Replace unistd functions with cross platform counterparts

Makefile

@@ -170,7 +170,7 @@ ifneq ($(CPU_ONLY), 1)
 	LIBRARIES := cudart cublas curand
 endif
 
-LIBRARIES += glog gflags protobuf boost_system m hdf5_hl hdf5
+LIBRARIES += glog gflags protobuf boost_system boost_filesystem m hdf5_hl hdf5
 
 # handle IO dependencies
 USE_LEVELDB ?= 1

cmake/Dependencies.cmake

@@ -2,7 +2,7 @@
 set(Caffe_LINKER_LIBS "")
 
 # ---[ Boost
-find_package(Boost 1.46 REQUIRED COMPONENTS system thread)
+find_package(Boost 1.46 REQUIRED COMPONENTS system thread filesystem)
 include_directories(SYSTEM ${Boost_INCLUDE_DIR})
 list(APPEND Caffe_LINKER_LIBS ${Boost_LIBRARIES})
 

include/caffe/util/io.hpp

@@ -1,7 +1,7 @@
 #ifndef CAFFE_UTIL_IO_H_
 #define CAFFE_UTIL_IO_H_
 
-#include <unistd.h>
+#include <boost/filesystem.hpp>
 #include <string>
 
 #include "google/protobuf/message.h"
@@ -12,31 +12,23 @@
 namespace caffe {
 
 using ::google::protobuf::Message;
+using ::boost::filesystem::path;
 
 inline void MakeTempFilename(string* temp_filename) {
   temp_filename->clear();
-  *temp_filename = "/tmp/caffe_test.XXXXXX";
-  char* temp_filename_cstr = new char[temp_filename->size() + 1];
-  // NOLINT_NEXT_LINE(runtime/printf)
-  strcpy(temp_filename_cstr, temp_filename->c_str());
-  int fd = mkstemp(temp_filename_cstr);
-  CHECK_GE(fd, 0) << "Failed to open a temporary file at: " << *temp_filename;
-  close(fd);
-  *temp_filename = temp_filename_cstr;
-  delete[] temp_filename_cstr;
+  const path& model = boost::filesystem::temp_directory_path()
+    /"caffe_test.%%%%%%";
+  *temp_filename = boost::filesystem::unique_path(model).string();
 }
 
 inline void MakeTempDir(string* temp_dirname) {
   temp_dirname->clear();
-  *temp_dirname = "/tmp/caffe_test.XXXXXX";
-  char* temp_dirname_cstr = new char[temp_dirname->size() + 1];
-  // NOLINT_NEXT_LINE(runtime/printf)
-  strcpy(temp_dirname_cstr, temp_dirname->c_str());
-  char* mkdtemp_result = mkdtemp(temp_dirname_cstr);
-  CHECK(mkdtemp_result != NULL)
-      << "Failed to create a temporary directory at: " << *temp_dirname;
-  *temp_dirname = temp_dirname_cstr;
-  delete[] temp_dirname_cstr;
+  const path& model = boost::filesystem::temp_directory_path()
+    /"caffe_test.%%%%%%";
+  const path& dir = boost::filesystem::unique_path(model).string();
+  bool directoryCreated = boost::filesystem::create_directory(dir);
+  CHECK(directoryCreated);
+  *temp_dirname = dir.string();
 }
 
 bool ReadProtoFromTextFile(const char* filename, Message* proto);

src/caffe/test/test_benchmark.cpp

@@ -1,4 +1,4 @@
-#include <unistd.h>  // for usleep
+#include <boost/thread.hpp>
 
 #include "gtest/gtest.h"
 
@@ -64,7 +64,7 @@ TYPED_TEST(BenchmarkTest, TestTimerMilliSeconds) {
   EXPECT_FALSE(timer.running());
   EXPECT_FALSE(timer.has_run_at_least_once());
   timer.Start();
-  usleep(300 * 1000);
+  boost::this_thread::sleep(boost::posix_time::milliseconds(300));
   EXPECT_GE(timer.MilliSeconds(), 300 - kMillisecondsThreshold);
   EXPECT_LE(timer.MilliSeconds(), 300 + kMillisecondsThreshold);
   EXPECT_TRUE(timer.initted());
@@ -79,7 +79,7 @@ TYPED_TEST(BenchmarkTest, TestTimerSeconds) {
   EXPECT_FALSE(timer.running());
   EXPECT_FALSE(timer.has_run_at_least_once());
   timer.Start();
-  usleep(300 * 1000);
+  boost::this_thread::sleep(boost::posix_time::milliseconds(300));
   EXPECT_GE(timer.Seconds(), 0.3 - kMillisecondsThreshold / 1000.);
   EXPECT_LE(timer.Seconds(), 0.3 + kMillisecondsThreshold / 1000.);
   EXPECT_TRUE(timer.initted());