private static bool Start_shell (ProcessStartInfo startInfo, Process process)
{
ProcInfo proc_info=new ProcInfo();
bool ret;
if (startInfo.RedirectStandardInput ||
startInfo.RedirectStandardOutput ||
startInfo.RedirectStandardError) {
throw new InvalidOperationException ("UseShellExecute must be false when redirecting I/O.");
}
if (startInfo.HaveEnvVars)
throw new InvalidOperationException ("UseShellExecute must be false in order to use environment variables.");
FillUserInfo (startInfo, ref proc_info);
try {
ret = ShellExecuteEx_internal (startInfo,
ref proc_info);
} finally {
if (proc_info.Password != IntPtr.Zero)
Marshal.ZeroFreeBSTR (proc_info.Password);
proc_info.Password = IntPtr.Zero;
}
if (!ret) {
throw new Win32Exception (-proc_info.pid);
}
process.process_handle = proc_info.process_handle;
process.pid = proc_info.pid;
process.StartBackgroundWaitForExit ();
return(ret);
}
static bool Start_noshell (ProcessStartInfo startInfo, Process process)
{
var proc_info = new ProcInfo ();
if (startInfo.HaveEnvVars) {
string [] strs = new string [startInfo.EnvironmentVariables.Count];
startInfo.EnvironmentVariables.Keys.CopyTo (strs, 0);
proc_info.envKeys = strs;
strs = new string [startInfo.EnvironmentVariables.Count];
startInfo.EnvironmentVariables.Values.CopyTo (strs, 0);
proc_info.envValues = strs;
}
MonoIOError error;
IntPtr stdin_read = IntPtr.Zero, stdin_write = IntPtr.Zero;
IntPtr stdout_read = IntPtr.Zero, stdout_write = IntPtr.Zero;
IntPtr stderr_read = IntPtr.Zero, stderr_write = IntPtr.Zero;
try {
if (startInfo.RedirectStandardInput) {
CreatePipe (out stdin_read, out stdin_write, true);
} else {
stdin_read = MonoIO.ConsoleInput;
stdin_write = IntPtr.Zero;
}
if (startInfo.RedirectStandardOutput) {
CreatePipe (out stdout_read, out stdout_write, false);
} else {
stdout_read = IntPtr.Zero;
stdout_write = MonoIO.ConsoleOutput;
}
if (startInfo.RedirectStandardError) {
CreatePipe (out stderr_read, out stderr_write, false);
} else {
stderr_read = IntPtr.Zero;
stderr_write = MonoIO.ConsoleError;
}
FillUserInfo (startInfo, ref proc_info);
//
// FIXME: For redirected pipes we need to send descriptors of
// stdin_write, stdout_read, stderr_read to child process and
// close them there (fork makes exact copy of parent's descriptors)
//
if (!CreateProcess_internal (startInfo, stdin_read, stdout_write, stderr_write, ref proc_info)) {
throw new Win32Exception (-proc_info.pid,
"ApplicationName='" + startInfo.FileName +
"', CommandLine='" + startInfo.Arguments +
"', CurrentDirectory='" + startInfo.WorkingDirectory +
"', Native error= " + Win32Exception.W32ErrorMessage (-proc_info.pid));
}
} catch {
if (startInfo.RedirectStandardInput) {
if (stdin_read != IntPtr.Zero)
MonoIO.Close (stdin_read, out error);
if (stdin_write != IntPtr.Zero)
MonoIO.Close (stdin_write, out error);
}
if (startInfo.RedirectStandardOutput) {
if (stdout_read != IntPtr.Zero)
MonoIO.Close (stdout_read, out error);
if (stdout_write != IntPtr.Zero)
MonoIO.Close (stdout_write, out error);
}
if (startInfo.RedirectStandardError) {
if (stderr_read != IntPtr.Zero)
MonoIO.Close (stderr_read, out error);
if (stderr_write != IntPtr.Zero)
MonoIO.Close (stderr_write, out error);
}
throw;
} finally {
if (proc_info.Password != IntPtr.Zero) {
Marshal.ZeroFreeBSTR (proc_info.Password);
proc_info.Password = IntPtr.Zero;
}
}
process.process_handle = proc_info.process_handle;
process.pid = proc_info.pid;
if (startInfo.RedirectStandardInput) {
//
// FIXME: The descriptor needs to be closed but due to wapi io-layer
// not coping with duplicated descriptors any StandardInput write fails
//
// MonoIO.Close (stdin_read, out error);
#if MOBILE
var stdinEncoding = Encoding.Default;
#else
var stdinEncoding = Console.InputEncoding;
#endif
process.input_stream = new StreamWriter (new FileStream (stdin_write, FileAccess.Write, true, 8192), stdinEncoding) {
AutoFlush = true
};
}
if (startInfo.RedirectStandardOutput) {
MonoIO.Close (stdout_write, out error);
Encoding stdoutEncoding = startInfo.StandardOutputEncoding ?? Console.Out.Encoding;
process.output_stream = new StreamReader (new FileStream (stdout_read, FileAccess.Read, true, 8192), stdoutEncoding, true);
}
if (startInfo.RedirectStandardError) {
MonoIO.Close (stderr_write, out error);
Encoding stderrEncoding = startInfo.StandardErrorEncoding ?? Console.Out.Encoding;
process.error_stream = new StreamReader (new FileStream (stderr_read, FileAccess.Read, true, 8192), stderrEncoding, true);
}
process.StartBackgroundWaitForExit ();
return true;
}
