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/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include <fcntl.h>
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#include <io.h>
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#include <malloc.h>
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#include <stdio.h>
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#include <process.h>
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#if !defined(__MINGW32__)
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# include <crtdbg.h>
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#endif
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#include "task.h"
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#include "runner.h"
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/*
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* Define the stuff that MinGW doesn't have
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*/
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#ifndef GetFileSizeEx
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WINBASEAPI BOOL WINAPI GetFileSizeEx(HANDLE hFile,
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PLARGE_INTEGER lpFileSize);
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#endif
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/* Do platform-specific initialization. */
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void platform_init(int argc, char **argv) {
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const char* tap;
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tap = getenv("UV_TAP_OUTPUT");
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tap_output = (tap != NULL && atoi(tap) > 0);
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/* Disable the "application crashed" popup. */
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SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOGPFAULTERRORBOX |
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SEM_NOOPENFILEERRORBOX);
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#if !defined(__MINGW32__)
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_CrtSetReportMode(_CRT_ASSERT, _CRTDBG_MODE_DEBUG);
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_CrtSetReportMode(_CRT_ERROR, _CRTDBG_MODE_DEBUG);
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#endif
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_setmode(0, _O_BINARY);
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_setmode(1, _O_BINARY);
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_setmode(2, _O_BINARY);
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/* Disable stdio output buffering. */
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setvbuf(stdout, NULL, _IONBF, 0);
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setvbuf(stderr, NULL, _IONBF, 0);
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strcpy(executable_path, argv[0]);
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}
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int process_start(char *name, char *part, process_info_t *p, int is_helper) {
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HANDLE file = INVALID_HANDLE_VALUE;
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HANDLE nul = INVALID_HANDLE_VALUE;
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WCHAR path[MAX_PATH], filename[MAX_PATH];
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WCHAR image[MAX_PATH + 1];
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WCHAR args[MAX_PATH * 2];
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STARTUPINFOW si;
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PROCESS_INFORMATION pi;
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DWORD result;
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if (GetTempPathW(sizeof(path) / sizeof(WCHAR), (WCHAR*)&path) == 0)
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goto error;
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if (GetTempFileNameW((WCHAR*)&path, L"uv", 0, (WCHAR*)&filename) == 0)
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goto error;
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file = CreateFileW((WCHAR*)filename,
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GENERIC_READ | GENERIC_WRITE,
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0,
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NULL,
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CREATE_ALWAYS,
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FILE_ATTRIBUTE_TEMPORARY | FILE_FLAG_DELETE_ON_CLOSE,
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NULL);
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if (file == INVALID_HANDLE_VALUE)
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goto error;
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if (!SetHandleInformation(file, HANDLE_FLAG_INHERIT, HANDLE_FLAG_INHERIT))
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goto error;
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nul = CreateFileA("nul",
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GENERIC_READ,
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FILE_SHARE_READ | FILE_SHARE_WRITE,
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NULL,
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OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL,
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NULL);
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if (nul == INVALID_HANDLE_VALUE)
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goto error;
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if (!SetHandleInformation(nul, HANDLE_FLAG_INHERIT, HANDLE_FLAG_INHERIT))
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goto error;
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result = GetModuleFileNameW(NULL, (WCHAR*)&image, sizeof(image) / sizeof(WCHAR));
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if (result == 0 || result == sizeof(image))
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goto error;
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if (part) {
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if (_snwprintf((WCHAR*)args,
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sizeof(args) / sizeof(WCHAR),
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L"\"%s\" %S %S",
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image,
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name,
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part) < 0) {
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goto error;
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}
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} else {
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if (_snwprintf((WCHAR*)args,
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sizeof(args) / sizeof(WCHAR),
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L"\"%s\" %S",
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image,
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name) < 0) {
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goto error;
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}
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}
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memset((void*)&si, 0, sizeof(si));
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si.cb = sizeof(si);
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si.dwFlags = STARTF_USESTDHANDLES;
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si.hStdInput = nul;
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si.hStdOutput = file;
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si.hStdError = file;
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if (!CreateProcessW(image, args, NULL, NULL, TRUE,
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0, NULL, NULL, &si, &pi))
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goto error;
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CloseHandle(pi.hThread);
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SetHandleInformation(nul, HANDLE_FLAG_INHERIT, 0);
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SetHandleInformation(file, HANDLE_FLAG_INHERIT, 0);
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p->stdio_in = nul;
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p->stdio_out = file;
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p->process = pi.hProcess;
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p->name = part;
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return 0;
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error:
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if (file != INVALID_HANDLE_VALUE)
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CloseHandle(file);
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if (nul != INVALID_HANDLE_VALUE)
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CloseHandle(nul);
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return -1;
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}
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/* Timeout is is msecs. Set timeout < 0 to never time out. */
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/* Returns 0 when all processes are terminated, -2 on timeout. */
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int process_wait(process_info_t *vec, int n, int timeout) {
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int i;
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HANDLE handles[MAXIMUM_WAIT_OBJECTS];
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DWORD timeout_api, result;
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/* If there's nothing to wait for, return immediately. */
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if (n == 0)
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return 0;
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ASSERT(n <= MAXIMUM_WAIT_OBJECTS);
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for (i = 0; i < n; i++)
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handles[i] = vec[i].process;
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if (timeout >= 0) {
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timeout_api = (DWORD)timeout;
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} else {
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timeout_api = INFINITE;
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}
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result = WaitForMultipleObjects(n, handles, TRUE, timeout_api);
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if (result >= WAIT_OBJECT_0 && result < WAIT_OBJECT_0 + n) {
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/* All processes are terminated. */
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return 0;
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}
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if (result == WAIT_TIMEOUT) {
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return -2;
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}
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return -1;
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}
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long int process_output_size(process_info_t *p) {
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LARGE_INTEGER size;
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if (!GetFileSizeEx(p->stdio_out, &size))
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return -1;
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return (long int)size.QuadPart;
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}
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int process_copy_output(process_info_t *p, int fd) {
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DWORD read;
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char buf[1024];
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char *line, *start;
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if (SetFilePointer(p->stdio_out, 0, 0, FILE_BEGIN) == INVALID_SET_FILE_POINTER)
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return -1;
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if (tap_output)
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write(fd, "#", 1);
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while (ReadFile(p->stdio_out, (void*)&buf, sizeof(buf), &read, NULL) &&
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read > 0) {
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if (tap_output) {
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start = buf;
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while ((line = strchr(start, '\n')) != NULL) {
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write(fd, start, line - start + 1);
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write(fd, "#", 1);
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start = line + 1;
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}
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if (start < buf + read)
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write(fd, start, buf + read - start);
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} else {
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write(fd, buf, read);
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}
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}
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if (tap_output)
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write(fd, "\n", 1);
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if (GetLastError() != ERROR_HANDLE_EOF)
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return -1;
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return 0;
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}
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char* process_get_name(process_info_t *p) {
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return p->name;
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}
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int process_terminate(process_info_t *p) {
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if (!TerminateProcess(p->process, 1))
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return -1;
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return 0;
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}
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int process_reap(process_info_t *p) {
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DWORD exitCode;
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if (!GetExitCodeProcess(p->process, &exitCode))
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return -1;
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return (int)exitCode;
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}
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void process_cleanup(process_info_t *p) {
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CloseHandle(p->process);
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CloseHandle(p->stdio_in);
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CloseHandle(p->stdio_out);
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}
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static int clear_line() {
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HANDLE handle;
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CONSOLE_SCREEN_BUFFER_INFO info;
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COORD coord;
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DWORD written;
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handle = (HANDLE)_get_osfhandle(fileno(stderr));
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if (handle == INVALID_HANDLE_VALUE)
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return -1;
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if (!GetConsoleScreenBufferInfo(handle, &info))
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return -1;
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coord = info.dwCursorPosition;
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if (coord.Y <= 0)
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return -1;
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coord.X = 0;
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if (!SetConsoleCursorPosition(handle, coord))
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return -1;
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if (!FillConsoleOutputCharacterW(handle, 0x20, info.dwSize.X, coord, &written))
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return -1;
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return 0;
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}
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void rewind_cursor() {
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if (clear_line() == -1) {
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/* If clear_line fails (stdout is not a console), print a newline. */
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fprintf(stderr, "\n");
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}
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}
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/* Pause the calling thread for a number of milliseconds. */
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void uv_sleep(int msec) {
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Sleep(msec);
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}
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