On 05/15/2014 12:33 PM, Eli Zaretskii wrote:
I think this problem doesn't affect Grep.
OK, thanks for the info. It may affect other GNU applications, though, so I installed the attached documentation patch into Gnulib and will CC: this to bug-gnulib.
>From 1c9b52f3c2d7aebace31ba989fd533ef273265f5 Mon Sep 17 00:00:00 2001 From: Paul Eggert <[email protected]> Date: Thu, 15 May 2014 13:07:50 -0700 Subject: [PATCH] doc: document exec* = spawn+exit bug with non-Cygwin Windows platforms Problem reported by Eli Zaretskii in: http://lists.gnu.org/archive/html/bug-grep/2014-05/msg00118.html * doc/posix-functions/execl.texi (execl): * doc/posix-functions/execle.texi (execle): * doc/posix-functions/execlp.texi (execlp): * doc/posix-functions/execv.texi (execv): * doc/posix-functions/execve.texi (execve): * doc/posix-functions/execvp.texi (execvp): Mention spawn+exit problem on non-Cygwin Windows platforms. --- ChangeLog | 13 +++++++++++++ doc/posix-functions/execl.texi | 4 ++++ doc/posix-functions/execle.texi | 4 ++++ doc/posix-functions/execlp.texi | 4 ++++ doc/posix-functions/execv.texi | 4 ++++ doc/posix-functions/execve.texi | 4 ++++ doc/posix-functions/execvp.texi | 4 ++++ 7 files changed, 37 insertions(+) diff --git a/ChangeLog b/ChangeLog index 19dfba5..00126d5 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,16 @@ +2014-05-15 Paul Eggert <[email protected]> + + doc: document exec* = spawn+exit bug with non-Cygwin Windows platforms + Problem reported by Eli Zaretskii in: + http://lists.gnu.org/archive/html/bug-grep/2014-05/msg00118.html + * doc/posix-functions/execl.texi (execl): + * doc/posix-functions/execle.texi (execle): + * doc/posix-functions/execlp.texi (execlp): + * doc/posix-functions/execv.texi (execv): + * doc/posix-functions/execve.texi (execve): + * doc/posix-functions/execvp.texi (execvp): + Mention spawn+exit problem on non-Cygwin Windows platforms. + 2014-05-14 Guilherme de Almeida Suckevicz <[email protected]> getlogin-tests: avoid false failure under sudo/ssh etc. diff --git a/doc/posix-functions/execl.texi b/doc/posix-functions/execl.texi index 89c3fa2..68f09a8 100644 --- a/doc/posix-functions/execl.texi +++ b/doc/posix-functions/execl.texi @@ -15,4 +15,8 @@ Portability problems not fixed by Gnulib: @item On some platforms, a script without executable permission is still run: Cygwin 1.5.x. +@item +On Windows platforms (excluding Cygwin), this function operates by spawning +and then by exiting the current process, which means the current +process's parent may incorrectly proceed as if its child had exited. @end itemize diff --git a/doc/posix-functions/execle.texi b/doc/posix-functions/execle.texi index 1dbc9f3..1966fa1 100644 --- a/doc/posix-functions/execle.texi +++ b/doc/posix-functions/execle.texi @@ -15,4 +15,8 @@ Portability problems not fixed by Gnulib: @item On some platforms, a script without executable permission is still run: Cygwin 1.5.x. +@item +On Windows platforms (excluding Cygwin), this function operates by spawning +and then by exiting the current process, which means the current +process's parent may incorrectly proceed as if its child had exited. @end itemize diff --git a/doc/posix-functions/execlp.texi b/doc/posix-functions/execlp.texi index ad72214..6a0f954 100644 --- a/doc/posix-functions/execlp.texi +++ b/doc/posix-functions/execlp.texi @@ -15,4 +15,8 @@ Portability problems not fixed by Gnulib: @item On some platforms, a script without executable permission is still run: Cygwin 1.5.x. +@item +On Windows platforms (excluding Cygwin), this function operates by spawning +and then by exiting the current process, which means the current +process's parent may incorrectly proceed as if its child had exited. @end itemize diff --git a/doc/posix-functions/execv.texi b/doc/posix-functions/execv.texi index e4da0c3..0b10b51 100644 --- a/doc/posix-functions/execv.texi +++ b/doc/posix-functions/execv.texi @@ -15,4 +15,8 @@ Portability problems not fixed by Gnulib: @item On some platforms, a script without executable permission is still run: Cygwin 1.5.x. +@item +On Windows platforms (excluding Cygwin), this function operates by spawning +and then by exiting the current process, which means the current +process's parent may incorrectly proceed as if its child had exited. @end itemize diff --git a/doc/posix-functions/execve.texi b/doc/posix-functions/execve.texi index 6f99556..03f97eb 100644 --- a/doc/posix-functions/execve.texi +++ b/doc/posix-functions/execve.texi @@ -15,4 +15,8 @@ Portability problems not fixed by Gnulib: @item On some platforms, a script without executable permission is still run: Cygwin 1.5.x. +@item +On Windows platforms (excluding Cygwin), this function operates by spawning +and then by exiting the current process, which means the current +process's parent may incorrectly proceed as if its child had exited. @end itemize diff --git a/doc/posix-functions/execvp.texi b/doc/posix-functions/execvp.texi index dbd9258..da93271 100644 --- a/doc/posix-functions/execvp.texi +++ b/doc/posix-functions/execvp.texi @@ -15,4 +15,8 @@ Portability problems not fixed by Gnulib: @item On some platforms, a script without executable permission is still run: Cygwin 1.5.x. +@item +On Windows platforms (excluding Cygwin), this function operates by spawning +and then by exiting the current process, which means the current +process's parent may incorrectly proceed as if its child had exited. @end itemize -- 1.9.0
