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| author | Manoj Srivastava <srivasta@golden-gryphon.com> | 2014-04-27 17:54:01 -0700 |
|---|---|---|
| committer | Manoj Srivastava <srivasta@golden-gryphon.com> | 2014-04-27 17:54:01 -0700 |
| commit | 8f5e5726134ce5b4bd436b16f367796d851df553 (patch) | |
| tree | 0ce2ad130721dcf917d7f81fb8495bf0a189d266 /mcon/U/d_vfork.U | |
| parent | 02bf7be6fc0f798790ef5b2160bc89a77b909428 (diff) | |
Imported Upstream version 3.5-36
Diffstat (limited to 'mcon/U/d_vfork.U')
| -rw-r--r-- | mcon/U/d_vfork.U | 28 |
1 files changed, 21 insertions, 7 deletions
diff --git a/mcon/U/d_vfork.U b/mcon/U/d_vfork.U index d15db45..96410e7 100644 --- a/mcon/U/d_vfork.U +++ b/mcon/U/d_vfork.U @@ -1,11 +1,11 @@ -?RCS: $Id: d_vfork.U 1 2006-08-24 12:32:52Z rmanfredi $ +?RCS: $Id: d_vfork.U 167 2013-05-08 17:58:00Z rmanfredi $ ?RCS: ?RCS: Copyright (c) 1991-1997, 2004-2006, Raphael Manfredi ?RCS: -?RCS: You may redistribute only under the terms of the Artistic Licence, +?RCS: You may redistribute only under the terms of the Artistic License, ?RCS: as specified in the README file that comes with the distribution. ?RCS: You may reuse parts of this distribution only within the terms of -?RCS: that same Artistic Licence; a copy of which may be found at the root +?RCS: that same Artistic License; a copy of which may be found at the root ?RCS: of the source tree for dist 4.0. ?RCS: ?RCS: $Log: d_vfork.U,v $ @@ -31,7 +31,7 @@ ?RCS: Revision 3.0 1993/08/18 12:07:55 ram ?RCS: Baseline for dist 3.0 netwide release. ?RCS: -?MAKE:d_vfork usevfork: Inlibc Myread Oldconfig Setvar +?MAKE:d_vfork usevfork: Trylink Myread Oldconfig Setvar cat i_unistd ?MAKE: -pick add $@ %< ?S:d_vfork: ?S: This variable conditionally defines the HAS_VFORK symbol, which @@ -54,9 +54,23 @@ ?M:. ?LINT:set d_vfork : see if there is a vfork -val='' -set vfork val -eval $inlibc +$cat >try.c <<EOC +#include <sys/types.h> +#$i_unistd I_UNISTD +#ifdef I_UNISTD +#include <unistd.h> +#endif +int main(void) +{ + static pid_t ret; + ret |= vfork(); + return ret ? 0 : 1; +} +EOC +cyn=vfork +set val +eval $trylink + : Ok, but do we want to use it. vfork is reportedly unreliable in : perl on Solaris 2.x, and probably elsewhere. |