Cross platform low level file IO wrappers

util/mach/child_port_handshake.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 13 matching lines @@
 #include <unistd.h>
 
 #include <algorithm>
 
 #include "base/logging.h"
 #include "base/mac/mach_logging.h"
 #include "base/mac/scoped_mach_port.h"
 #include "base/posix/eintr_wrapper.h"
 #include "base/rand_util.h"
 #include "base/strings/stringprintf.h"
-#include "util/file/fd_io.h"
+#include "util/file/file_io.h"
 #include "util/mach/child_port.h"
 #include "util/mach/mach_extensions.h"
 #include "util/mach/mach_message.h"
 #include "util/mach/mach_message_server.h"
 
 namespace crashpad {
 
 ChildPortHandshake::ChildPortHandshake()
     : token_(0),
       pipe_read_(),
@@ skipping 33 matching lines @@
 mach_port_t ChildPortHandshake::RunServer() {
   DCHECK_NE(pipe_read_.get(), -1);
   pipe_read_.reset();
 
   // Transfer ownership of the write pipe into this method’s scope.
   base::ScopedFD pipe_write_owner(pipe_write_.release());
 
   // Initialize the token and share it with the client via the pipe.
   token_ = base::RandUint64();
   int pipe_write = pipe_write_owner.get();
-  if (!LoggingWriteFD(pipe_write, &token_, sizeof(token_))) {
+  if (!LoggingWriteFile(pipe_write, &token_, sizeof(token_))) {
     LOG(WARNING) << "no client check-in";
     return MACH_PORT_NULL;
   }
 
   // Create a unique name for the bootstrap service mapping. Make it unguessable
   // to prevent outsiders from grabbing the name first, which would cause
   // bootstrap_check_in() to fail.
   uint64_t thread_id;
   errno = pthread_threadid_np(pthread_self(), &thread_id);
   PCHECK(errno == 0) << "pthread_threadid_np";
   std::string service_name = base::StringPrintf(
       "com.googlecode.crashpad.child_port_handshake.%d.%llu.%016llx",
       getpid(),
       thread_id,
       base::RandUint64());
   DCHECK_LT(service_name.size(), implicit_cast<size_t>(BOOTSTRAP_MAX_NAME_LEN));
 
   // Check the new service in with the bootstrap server, obtaining a receive
   // right for it.
   mach_port_t server_port;
   kern_return_t kr =
       bootstrap_check_in(bootstrap_port, service_name.c_str(), &server_port);
   BOOTSTRAP_CHECK(kr == BOOTSTRAP_SUCCESS, kr) << "bootstrap_check_in";
   base::mac::ScopedMachReceiveRight server_port_owner(server_port);
 
   // Share the service name with the client via the pipe.
   uint32_t service_name_length = service_name.size();
-  if (!LoggingWriteFD(
+  if (!LoggingWriteFile(
           pipe_write, &service_name_length, sizeof(service_name_length))) {
     LOG(WARNING) << "no client check-in";
     return MACH_PORT_NULL;
   }
 
-  if (!LoggingWriteFD(pipe_write, service_name.c_str(), service_name_length)) {
+  if (!LoggingWriteFile(
+          pipe_write, service_name.c_str(), service_name_length)) {
     LOG(WARNING) << "no client check-in";
     return MACH_PORT_NULL;
   }
 
   // A kqueue cannot monitor a raw Mach receive right with EVFILT_MACHPORT. It
   // requires a port set. Create a new port set and add the receive right to it.
   mach_port_t server_port_set;
   kr = mach_port_allocate(
       mach_task_self(), MACH_PORT_RIGHT_PORT_SET, &server_port_set);
   MACH_CHECK(kr == KERN_SUCCESS, kr) << "mach_port_allocate";
@@ skipping 172 matching lines @@
 
   // Look up the server and check in with it by providing the token and port.
   RunClientInternal_SendCheckIn(service_name, token, port, right_type);
 }
 
 // static
 void ChildPortHandshake::RunClientInternal_ReadPipe(int pipe_read,
                                                     child_port_token_t* token,
                                                     std::string* service_name) {
   // Read the token from the pipe.
-  CheckedReadFD(pipe_read, token, sizeof(*token));
+  CheckedReadFile(pipe_read, token, sizeof(*token));
 
   // Read the service name from the pipe.
   uint32_t service_name_length;
-  CheckedReadFD(pipe_read, &service_name_length, sizeof(service_name_length));
+  CheckedReadFile(pipe_read, &service_name_length, sizeof(service_name_length));
   DCHECK_LT(service_name_length,
             implicit_cast<uint32_t>(BOOTSTRAP_MAX_NAME_LEN));
 
   if (service_name_length > 0) {
     service_name->resize(service_name_length);
-    CheckedReadFD(pipe_read, &(*service_name)[0], service_name_length);
+    CheckedReadFile(pipe_read, &(*service_name)[0], service_name_length);
   }
 }
 
 // static
 void ChildPortHandshake::RunClientInternal_SendCheckIn(
     const std::string& service_name,
     child_port_token_t token,
     mach_port_t port,
     mach_msg_type_name_t right_type) {
   // Get a send right to the server by looking up the service with the bootstrap
   // server by name.
   mach_port_t server_port;
   kern_return_t kr =
       bootstrap_look_up(bootstrap_port, service_name.c_str(), &server_port);
   BOOTSTRAP_CHECK(kr == BOOTSTRAP_SUCCESS, kr) << "bootstrap_look_up";
   base::mac::ScopedMachSendRight server_port_owner(server_port);
 
   // Check in with the server.
   kr = child_port_check_in(server_port, token, port, right_type);
   MACH_CHECK(kr == KERN_SUCCESS, kr) << "child_port_check_in";
 }
 
 }  // namespace crashpad