static int os_exec_process_posix(const char *exe, ZigList<const char *> &args,
int *return_code, Buf *out_stderr, Buf *out_stdout)
{
int stdin_pipe[2];
int stdout_pipe[2];
int stderr_pipe[2];
int err;
if ((err = pipe(stdin_pipe)))
zig_panic("pipe failed");
if ((err = pipe(stdout_pipe)))
zig_panic("pipe failed");
if ((err = pipe(stderr_pipe)))
zig_panic("pipe failed");
pid_t pid = fork();
if (pid == -1)
zig_panic("fork failed");
if (pid == 0) {
// child
if (dup2(stdin_pipe[0], STDIN_FILENO) == -1)
zig_panic("dup2 failed");
if (dup2(stdout_pipe[1], STDOUT_FILENO) == -1)
zig_panic("dup2 failed");
if (dup2(stderr_pipe[1], STDERR_FILENO) == -1)
zig_panic("dup2 failed");
const char **argv = allocate<const char *>(args.length + 2);
argv[0] = exe;
argv[args.length + 1] = nullptr;
for (int i = 0; i < args.length; i += 1) {
argv[i + 1] = args.at(i);
}
execvp(exe, const_cast<char * const *>(argv));
if (errno == ENOENT) {
return ErrorFileNotFound;
} else {
zig_panic("execvp failed: %s", strerror(errno));
}
} else {
// parent
close(stdin_pipe[0]);
close(stdout_pipe[1]);
close(stderr_pipe[1]);
waitpid(pid, return_code, 0);
os_fetch_file(fdopen(stdout_pipe[0], "rb"), out_stdout);
os_fetch_file(fdopen(stderr_pipe[0], "rb"), out_stderr);
return 0;
}
}
static void os_spawn_process_posix(const char *exe, ZigList<const char *> &args, int *return_code) {
pid_t pid = fork();
if (pid == -1)
zig_panic("fork failed");
if (pid == 0) {
// child
const char **argv = allocate<const char *>(args.length + 2);
argv[0] = exe;
argv[args.length + 1] = nullptr;
for (int i = 0; i < args.length; i += 1) {
argv[i + 1] = args.at(i);
}
execvp(exe, const_cast<char * const *>(argv));
zig_panic("execvp failed: %s", strerror(errno));
} else {
// parent
waitpid(pid, return_code, 0);
}
}
static void os_spawn_process_posix(const char *exe, ZigList<const char *> &args, Termination *term) {
pid_t pid = fork();
if (pid == -1)
zig_panic("fork failed");
if (pid == 0) {
// child
const char **argv = allocate<const char *>(args.length + 2);
argv[0] = exe;
argv[args.length + 1] = nullptr;
for (size_t i = 0; i < args.length; i += 1) {
argv[i + 1] = args.at(i);
}
execvp(exe, const_cast<char * const *>(argv));
zig_panic("execvp failed: %s", strerror(errno));
} else {
// parent
int status;
waitpid(pid, &status, 0);
populate_termination(term, status);
}
}
static int os_exec_process_windows(const char *exe, ZigList<const char *> &args,
int *return_code, Buf *out_stderr, Buf *out_stdout)
{
Buf command_line = BUF_INIT;
buf_resize(&command_line, 0);
buf_append_char(&command_line, '\"');
buf_append_str(&command_line, exe);
buf_append_char(&command_line, '\"');
for (int arg_i = 0; arg_i < args.length; arg_i += 1) {
buf_append_str(&command_line, " \"");
const char *arg = args.at(arg_i);
int arg_len = strlen(arg);
for (int c_i = 0; c_i < arg_len; c_i += 1) {
if (arg[c_i] == '\"') {
zig_panic("TODO");
}
buf_append_char(&command_line, arg[c_i]);
}
buf_append_char(&command_line, '\"');
}
HANDLE g_hChildStd_IN_Rd = NULL;
HANDLE g_hChildStd_IN_Wr = NULL;
HANDLE g_hChildStd_OUT_Rd = NULL;
HANDLE g_hChildStd_OUT_Wr = NULL;
HANDLE g_hChildStd_ERR_Rd = NULL;
HANDLE g_hChildStd_ERR_Wr = NULL;
SECURITY_ATTRIBUTES saAttr;
saAttr.nLength = sizeof(SECURITY_ATTRIBUTES);
saAttr.bInheritHandle = TRUE;
saAttr.lpSecurityDescriptor = NULL;
if (!CreatePipe(&g_hChildStd_OUT_Rd, &g_hChildStd_OUT_Wr, &saAttr, 0)) {
zig_panic("StdoutRd CreatePipe");
}
if (!SetHandleInformation(g_hChildStd_OUT_Rd, HANDLE_FLAG_INHERIT, 0)) {
zig_panic("Stdout SetHandleInformation");
}
if (!CreatePipe(&g_hChildStd_ERR_Rd, &g_hChildStd_ERR_Wr, &saAttr, 0)) {
zig_panic("stderr CreatePipe");
}
if (!SetHandleInformation(g_hChildStd_ERR_Rd, HANDLE_FLAG_INHERIT, 0)) {
zig_panic("stderr SetHandleInformation");
}
if (!CreatePipe(&g_hChildStd_IN_Rd, &g_hChildStd_IN_Wr, &saAttr, 0)) {
zig_panic("Stdin CreatePipe");
}
if (!SetHandleInformation(g_hChildStd_IN_Wr, HANDLE_FLAG_INHERIT, 0)) {
zig_panic("Stdin SetHandleInformation");
}
PROCESS_INFORMATION piProcInfo = {0};
STARTUPINFO siStartInfo = {0};
siStartInfo.cb = sizeof(STARTUPINFO);
siStartInfo.hStdError = g_hChildStd_ERR_Wr;
siStartInfo.hStdOutput = g_hChildStd_OUT_Wr;
siStartInfo.hStdInput = g_hChildStd_IN_Rd;
siStartInfo.dwFlags |= STARTF_USESTDHANDLES;
BOOL success = CreateProcess(exe, buf_ptr(&command_line), nullptr, nullptr, TRUE, 0, nullptr, nullptr,
&siStartInfo, &piProcInfo);
if (!success) {
if (GetLastError() == ERROR_FILE_NOT_FOUND) {
CloseHandle(piProcInfo.hProcess);
CloseHandle(piProcInfo.hThread);
return ErrorFileNotFound;
}
zig_panic("CreateProcess failed. exe: %s command_line: %s", exe, buf_ptr(&command_line));
}
if (!CloseHandle(g_hChildStd_IN_Wr)) {
zig_panic("stdinwr closehandle");
}
CloseHandle(g_hChildStd_IN_Rd);
CloseHandle(g_hChildStd_ERR_Wr);
CloseHandle(g_hChildStd_OUT_Wr);
static const int BUF_SIZE = 4 * 1024;
{
DWORD dwRead;
char chBuf[BUF_SIZE];
buf_resize(out_stdout, 0);
for (;;) {
success = ReadFile( g_hChildStd_OUT_Rd, chBuf, BUF_SIZE, &dwRead, NULL);
if (!success || dwRead == 0) break;
buf_append_mem(out_stdout, chBuf, dwRead);
}
CloseHandle(g_hChildStd_OUT_Rd);
}
{
DWORD dwRead;
char chBuf[BUF_SIZE];
buf_resize(out_stderr, 0);
for (;;) {
success = ReadFile( g_hChildStd_ERR_Rd, chBuf, BUF_SIZE, &dwRead, NULL);
if (!success || dwRead == 0) break;
buf_append_mem(out_stderr, chBuf, dwRead);
}
CloseHandle(g_hChildStd_ERR_Rd);
}
WaitForSingleObject(piProcInfo.hProcess, INFINITE);
DWORD exit_code;
if (!GetExitCodeProcess(piProcInfo.hProcess, &exit_code)) {
zig_panic("GetExitCodeProcess failed");
}
*return_code = exit_code;
CloseHandle(piProcInfo.hProcess);
CloseHandle(piProcInfo.hThread);
return 0;
}