dgrove@google.com
4c0f559d23
git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@15 260f80e4-7a28-3924-810f-c04153c831b5
90 lines
2.9 KiB
C++
90 lines
2.9 KiB
C++
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "bin/builtin.h"
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#include "bin/globals.h"
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#include "bin/process.h"
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int Process::Start(const char* path,
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char* arguments[],
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intptr_t arguments_length,
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intptr_t* in,
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intptr_t* out,
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intptr_t* err,
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intptr_t* id,
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intptr_t* exit_event,
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char* os_error_message,
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int os_error_message_len) {
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// Setup info structures.
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STARTUPINFO startup_info;
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PROCESS_INFORMATION process_info;
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ZeroMemory(&startup_info, sizeof(startup_info));
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startup_info.cb = sizeof(startup_info);
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ZeroMemory(&process_info, sizeof(process_info));
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// TODO(ager): Once sockets are implemented, use the supplied
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// arguments as in, out and err in the startup info.
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// Compute command-line length.
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int command_line_length = strlen(path);
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for (int i = 0; i < arguments_length; i++) {
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command_line_length += strlen(arguments[i]);
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}
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// Account for two occurrences of '"' around the command, one
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// space per argument and a terminating '\0'.
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command_line_length += 2 + arguments_length + 1;
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static const int kMaxCommandLineLength = 32768;
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if (command_line_length > kMaxCommandLineLength) {
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return 1;
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}
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// Put together command-line string.
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char* command_line = new char[command_line_length];
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int len = 0;
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int remaining = command_line_length;
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int written = snprintf(command_line + len, remaining, "\"%s\"", path);
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len += written;
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remaining -= written;
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ASSERT(remaining >= 0);
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for (int i = 0; i < arguments_length; i++) {
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written = snprintf(command_line + len, remaining, " %s", arguments[i]);
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len += written;
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remaining -= written;
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ASSERT(remaining >= 0);
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}
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// Create process.
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BOOL result = CreateProcess(NULL, // ApplicationName
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command_line,
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NULL, // ProcessAttributes
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NULL, // ThreadAttributes
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FALSE, // InheritHandles
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0, // CreationFlags
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NULL, // Environment
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NULL, // CurrentDirectory,
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&startup_info,
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&process_info);
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// Deallocate command-line string.
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delete[] command_line;
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if (result == 0) {
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return 1;
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}
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// Return process handle.
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*id = reinterpret_cast<intptr_t>(process_info.hProcess);
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return 0;
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}
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bool Process::Kill(intptr_t id) {
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HANDLE process_handle = reinterpret_cast<HANDLE>(id);
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BOOL result = TerminateProcess(process_handle, -1);
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if (result == 0) {
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return false;
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}
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CloseHandle(process_handle);
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return true;
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}
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