Reorganize Multiprocess and implement for Windows

util/test/multiprocess_posix_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,
@@ skipping 18 matching lines @@
 class TestMultiprocess final : public Multiprocess {
  public:
   TestMultiprocess() : Multiprocess() {}
 
   ~TestMultiprocess() {}
 
  private:
   // Multiprocess:
 
   void MultiprocessParent() override {
-    int read_fd = ReadPipeFD();
+    FileHandle read_handle = ReadPipeHandle();
     char c;
-    CheckedReadFile(read_fd, &c, 1);
+    CheckedReadFile(read_handle, &c, 1);
     EXPECT_EQ('M', c);
 
     pid_t pid;
-    CheckedReadFile(read_fd, &pid, sizeof(pid));
+    CheckedReadFile(read_handle, &pid, sizeof(pid));
     EXPECT_EQ(pid, ChildPID());
 
     c = 'm';
-    CheckedWriteFile(WritePipeFD(), &c, 1);
+    CheckedWriteFile(WritePipeHandle(), &c, 1);
 
     // The child will close its end of the pipe and exit. Make sure that the
     // parent sees EOF.
-    CheckedReadFileAtEOF(read_fd);
+    CheckedReadFileAtEOF(read_handle);
   }
 
   void MultiprocessChild() override {
-    int write_fd = WritePipeFD();
+    FileHandle write_handle = WritePipeHandle();
 
     char c = 'M';
-    CheckedWriteFile(write_fd, &c, 1);
+    CheckedWriteFile(write_handle, &c, 1);
 
     pid_t pid = getpid();
-    CheckedWriteFile(write_fd, &pid, sizeof(pid));
+    CheckedWriteFile(write_handle, &pid, sizeof(pid));
 
-    CheckedReadFile(ReadPipeFD(), &c, 1);
+    CheckedReadFile(ReadPipeHandle(), &c, 1);
     EXPECT_EQ('m', c);
   }
 
   DISALLOW_COPY_AND_ASSIGN(TestMultiprocess);
 };
 
 TEST(Multiprocess, Multiprocess) {
   TestMultiprocess multiprocess;
   multiprocess.Run();
 }
@@ skipping 77 matching lines @@
   TestMultiprocessClosePipe(WhoCloses who_closes, WhatCloses what_closes)
       : Multiprocess(),
         who_closes_(who_closes),
         what_closes_(what_closes) {
   }
 
   ~TestMultiprocessClosePipe() {}
 
  private:
   void VerifyInitial() {
-    ASSERT_NE(-1, ReadPipeFD());
-    ASSERT_NE(-1, WritePipeFD());
+    ASSERT_NE(-1, ReadPipeHandle());
+    ASSERT_NE(-1, WritePipeHandle());
   }
 
   // Verifies that the partner process did what it was supposed to do. This must
   // only be called when who_closes_ names the partner process, not this
   // process.
   //
   // 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) {
-      CheckedReadFileAtEOF(ReadPipeFD());
+      CheckedReadFileAtEOF(ReadPipeHandle());
     } else if (what_closes_ == kReadAndWriteClose) {
-      CheckedReadFileAtEOF(ReadPipeFD());
+      CheckedReadFileAtEOF(ReadPipeHandle());
       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 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), "");
+      EXPECT_DEATH(CheckedWriteFile(WritePipeHandle(), &c, 1), "");
     }
   }
 
   void Close() {
     switch (what_closes_) {
       case kReadCloses:
         CloseReadPipe();
-        EXPECT_NE(-1, WritePipeFD());
-        EXPECT_DEATH(ReadPipeFD(), "fd");
+        EXPECT_NE(-1, WritePipeHandle());
+        EXPECT_DEATH(ReadPipeHandle(), "fd");
         break;
       case kWriteCloses:
         CloseWritePipe();
-        EXPECT_NE(-1, ReadPipeFD());
-        EXPECT_DEATH(WritePipeFD(), "fd");
+        EXPECT_NE(-1, ReadPipeHandle());
+        EXPECT_DEATH(WritePipeHandle(), "fd");
         break;
       case kReadAndWriteClose:
         CloseReadPipe();
         CloseWritePipe();
-        EXPECT_DEATH(ReadPipeFD(), "fd");
-        EXPECT_DEATH(WritePipeFD(), "fd");
+        EXPECT_DEATH(ReadPipeHandle(), "fd");
+        EXPECT_DEATH(WritePipeHandle(), "fd");
         break;
     }
   }
 
   // Multiprocess:
 
   void MultiprocessParent() override {
     ASSERT_NO_FATAL_FAILURE(VerifyInitial());
 
     if (who_closes_ == kParentCloses) {
@@ skipping 57 matching lines @@
 TEST(MultiprocessDeathTest, ChildClosesReadAndWritePipe) {
   TestMultiprocessClosePipe multiprocess(
       TestMultiprocessClosePipe::kChildCloses,
       TestMultiprocessClosePipe::kReadAndWriteClose);
   multiprocess.Run();
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace crashpad