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From: Luke Mewburn <luke@mewburn.net>
To: Johannes Sixt <j6t@kdbg.org>
Cc: Luke Mewburn <luke@mewburn.net>, Nicolas Pitre <nico@fluxnic.net>,
	git@vger.kernel.org, msysGit <msysgit@googlegroups.com>
Subject: Re: [PATCH] compat/mingw: stubs for getpgid() and tcgetpgrp()
Date: Fri, 17 Apr 2015 11:25:41 +1000	[thread overview]
Message-ID: <20150417012541.GI23475@mewburn.net> (raw)
In-Reply-To: <552EAE0A.3040208@kdbg.org>

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On Wed, Apr 15, 2015 at 08:29:30PM +0200, Johannes Sixt wrote:
  | Windows does not have process groups. It is, therefore, the simplest
  | to pretend that each process is in its own process group.
  | 
  |  [...]
  | 
  | diff --git a/compat/mingw.h b/compat/mingw.h
  | index 7b523cf..a552026 100644
  | @@ -118,6 +116,12 @@ static inline int sigaddset(sigset_t *set, int signum)
  |  #define SIG_UNBLOCK 0
  |  static inline int sigprocmask(int how, const sigset_t *set, sigset_t *oldset)
  |  { return 0; }
  | +static inline pid_t getppid(void)
  | +{ return 1; }
  | +static inline pid_t getpgid(pid_t pid)
  | +{ return pid == 0 ? getpid() : pid; }
  | +static inline pid_t tcgetpgrp(int fd)
  | +{ return getpid(); }


This appears to be similar to the approach that tcsh uses too;
return the current process ID for the process group ID.
See https://github.com/tcsh-org/tcsh/blob/master/win32/ntport.h
for tcsh's implementation of getpgrp() (a variation of getpgid())
and tcgetpgrp().


regards,
Luke.

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  parent reply	other threads:[~2015-04-17  1:25 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-13 13:48 [PATCH] reduce progress updates in background Luke Mewburn
2015-04-13 14:11 ` Nicolas Pitre
2015-04-13 14:40   ` Luke Mewburn
2015-04-13 15:01     ` Nicolas Pitre
2015-04-14 11:03       ` [PATCH v2] " Luke Mewburn
2015-04-14 15:16         ` Nicolas Pitre
2015-04-15 18:29         ` [PATCH] compat/mingw: stubs for getpgid() and tcgetpgrp() Johannes Sixt
2015-04-15 18:48           ` Junio C Hamano
2015-04-15 20:34             ` Johannes Sixt
2015-04-16 12:48             ` Johannes Schindelin
2015-04-16 15:00               ` Junio C Hamano
2015-04-15 19:43           ` Erik Faye-Lund
2015-04-16 12:44             ` [msysGit] " Johannes Schindelin
2015-04-23 19:25               ` rupert thurner
2015-04-24  3:03                 ` rupert thurner
2015-04-24  6:25                 ` [msysGit] " Johannes Schindelin
2015-04-17  1:25           ` Luke Mewburn [this message]
2015-04-14 11:08       ` [PATCH] reduce progress updates in background Luke Mewburn
2015-04-14  3:12 ` brian m. carlson
2015-04-14  8:47   ` Johannes Schindelin

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