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//
// Mono.Unix/UnixProcess.cs
//
// Authors:
// Jonathan Pryor (jonpryor@vt.edu)
//
// (C) 2004 Jonathan Pryor
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using Mono.Unix;
namespace Mono.Unix {
public sealed class UnixProcess
{
private int pid;
internal UnixProcess (int pid)
{
this.pid = pid;
}
public int Id {
get {return pid;}
}
public bool HasExited {
get {
int status = GetProcessStatus ();
return Syscall.WIFEXITED (status);
}
}
private int GetProcessStatus ()
{
int status;
int r = Syscall.waitpid (pid, out status,
WaitOptions.WNOHANG | WaitOptions.WUNTRACED);
UnixMarshal.ThrowExceptionForLastErrorIf (r);
return r;
}
public int ExitCode {
get {
if (!HasExited)
throw new InvalidOperationException (
Locale.GetText ("Process hasn't exited"));
int status = GetProcessStatus ();
return Syscall.WEXITSTATUS (status);
}
}
public bool HasSignaled {
get {
int status = GetProcessStatus ();
return Syscall.WIFSIGNALED (status);
}
}
public Signum TerminationSignal {
get {
if (!HasSignaled)
throw new InvalidOperationException (
Locale.GetText ("Process wasn't terminated by a signal"));
int status = GetProcessStatus ();
return Syscall.WTERMSIG (status);
}
}
public bool HasStopped {
get {
int status = GetProcessStatus ();
return Syscall.WIFSTOPPED (status);
}
}
public Signum StopSignal {
get {
if (!HasStopped)
throw new InvalidOperationException (
Locale.GetText ("Process isn't stopped"));
int status = GetProcessStatus ();
return Syscall.WSTOPSIG (status);
}
}
public int ProcessGroupId {
get {return Syscall.getpgid (pid);}
set {
int r = Syscall.setpgid (pid, value);
UnixMarshal.ThrowExceptionForLastErrorIf (r);
}
}
public int SessionId {
get {
int r = Syscall.getsid (pid);
UnixMarshal.ThrowExceptionForLastErrorIf (r);
return r;
}
}
public static UnixProcess GetCurrentProcess ()
{
return new UnixProcess (GetCurrentProcessId ());
}
public static int GetCurrentProcessId ()
{
return Syscall.getpid ();
}
public void Kill ()
{
Signal (Signum.SIGKILL);
}
public void Signal (Signum signal)
{
int r = Syscall.kill (pid, signal);
UnixMarshal.ThrowExceptionForLastErrorIf (r);
}
public void WaitForExit ()
{
int status;
int r;
do {
r = Syscall.waitpid (pid, out status, (WaitOptions) 0);
} while (UnixMarshal.ShouldRetrySyscall (r));
UnixMarshal.ThrowExceptionForLastErrorIf (r);
}
}
}
// vim: noexpandtab
|
