Cross platform low level file IO wrappers

util/test/multiprocess_test.cc

 // Copyright 2014 The Crashpad Authors. All rights reserved.
 //
 // 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 "util/test/multiprocess.h"
 
 #include <stdlib.h>
 #include <sys/signal.h>
 #include <unistd.h>
 
 #include "base/basictypes.h"
 #include "gtest/gtest.h"
-#include "util/file/fd_io.h"
+#include "util/file/file_io.h"
 
 namespace crashpad {
 namespace test {
 namespace {
 
 class TestMultiprocess final : public Multiprocess {
  public:
   TestMultiprocess() : Multiprocess() {}
 
   ~TestMultiprocess() {}
 
  private:
   // Multiprocess:
 
   void MultiprocessParent() override {
     int read_fd = ReadPipeFD();
     char c;
-    CheckedReadFD(read_fd, &c, 1);
+    CheckedReadFile(read_fd, &c, 1);
     EXPECT_EQ('M', c);
 
     pid_t pid;
-    CheckedReadFD(read_fd, &pid, sizeof(pid));
+    CheckedReadFile(read_fd, &pid, sizeof(pid));
     EXPECT_EQ(pid, ChildPID());
 
     c = 'm';
-    CheckedWriteFD(WritePipeFD(), &c, 1);
+    CheckedWriteFile(WritePipeFD(), &c, 1);
 
     // The child will close its end of the pipe and exit. Make sure that the
     // parent sees EOF.
-    CheckedReadFDAtEOF(read_fd);
+    CheckedReadFileAtEOF(read_fd);
   }
 
   void MultiprocessChild() override {
     int write_fd = WritePipeFD();
 
     char c = 'M';
-    CheckedWriteFD(write_fd, &c, 1);
+    CheckedWriteFile(write_fd, &c, 1);
 
     pid_t pid = getpid();
-    CheckedWriteFD(write_fd, &pid, sizeof(pid));
+    CheckedWriteFile(write_fd, &pid, sizeof(pid));
 
-    CheckedReadFD(ReadPipeFD(), &c, 1);
+    CheckedReadFile(ReadPipeFD(), &c, 1);
     EXPECT_EQ('m', c);
   }
 
   DISALLOW_COPY_AND_ASSIGN(TestMultiprocess);
 };
 
 TEST(Multiprocess, Multiprocess) {
   TestMultiprocess multiprocess;
   multiprocess.Run();
 }
@@ skipping 95 matching lines @@
   // If the partner was supposed to close its write pipe, the read pipe will be
   // checked to ensure that it shows end-of-file.
   //
   // If the partner was supposed to close its read pipe, the write pipe will be
   // checked to ensure that a checked write causes death. This can only be done
   // if the partner also provides some type of signal when it has closed its
   // read pipe, which is done in the form of it closing its write pipe, causing
   // the read pipe in this process to show end-of-file.
   void VerifyPartner() {
     if (what_closes_ == kWriteCloses) {
-      CheckedReadFDAtEOF(ReadPipeFD());
+      CheckedReadFileAtEOF(ReadPipeFD());
     } else if (what_closes_ == kReadAndWriteClose) {
-      CheckedReadFDAtEOF(ReadPipeFD());
+      CheckedReadFileAtEOF(ReadPipeFD());
       char c = '\0';
 
       // This will raise SIGPIPE. If fatal (the normal case), that will cause
       // process termination. If SIGPIPE is being handled somewhere, the write
-      // will still fail and set errno to EPIPE, and CheckedWriteFD() will abort
-      // execution. Regardless of how SIGPIPE is handled, the process will be
-      // terminated. Because the actual termination mechanism is not known, no
-      // regex can be specified.
-      EXPECT_DEATH(CheckedWriteFD(WritePipeFD(), &c, 1), "");
+      // will still fail and set errno to EPIPE, and CheckedWriteFile() will
+      // abort execution. Regardless of how SIGPIPE is handled, the process will
+      // be terminated. Because the actual termination mechanism is not known,
+      // no regex can be specified.
+      EXPECT_DEATH(CheckedWriteFile(WritePipeFD(), &c, 1), "");
     }
   }
 
   void Close() {
     switch (what_closes_) {
       case kReadCloses:
         CloseReadPipe();
         EXPECT_NE(-1, WritePipeFD());
         EXPECT_DEATH(ReadPipeFD(), "fd");
         break;
@@ skipping 77 matching lines @@
 TEST(MultiprocessDeathTest, ChildClosesReadAndWritePipe) {
   TestMultiprocessClosePipe multiprocess(
       TestMultiprocessClosePipe::kChildCloses,
       TestMultiprocessClosePipe::kReadAndWriteClose);
   multiprocess.Run();
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace crashpad