add d_pseudofork

p4raw-id: //depot/metaconfig@29466

diff --git a/U/modified/d_vfork.U b/U/modified/d_vfork.U
index 09083f9..653c768 100644 (file)
--- a/U/modified/d_vfork.U
+++ b/U/modified/d_vfork.U
@@ -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 d_pseudofork: Inlibc Myread Oldconfig Setvar
 ?MAKE: -pick add $@ %<
 ?S:d_vfork:
 ?S:    This variable conditionally defines the HAS_VFORK symbol, which
@@ -42,11 +42,21 @@
 ?S:    It is set to false when no vfork is available or when the user
 ?S:    explicitely requests not to use vfork.
 ?S:.
+?S:d_pseudofork:
+?S:    This variable conditionally defines the HAS_PSEUDOFORK symbol,
+?S:    which indicates that an emulation of the fork routine is available.
+?S:.
 ?C:HAS_VFORK (VFORK):
 ?C:    This symbol, if defined, indicates that vfork() exists.
 ?C:.
 ?H:#$d_vfork HAS_VFORK /**/
 ?H:.
+?C:HAS_PSEUDOFORK:
+?C:    This symbol, if defined, indicates that an emulation of the
+?C:    fork routine is available.
+?C:.
+?H:#$d_pseudofork HAS_PSEUDOFORK       /**/
+?H:.
 ?M:vfork: HAS_VFORK
 ?M:#ifndef HAS_VFORK
 ?M:#define vfork fork
@@ -67,7 +77,9 @@ val=''
 set vfork val
 eval $inlibc
 
-: Ok, but do we want to use it. vfork is reportedly unreliable in 
+d_pseudofork=$undef
+
+: Ok, but do we want to use it. vfork is reportedly unreliable in
 : perl on Solaris 2.x, and probably elsewhere.
 case "$val" in
 $define)
@@ -77,7 +89,7 @@ $define)
        *) dflt='y';;
        esac
        cat <<'EOM'
- 
+
 Perl can only use a vfork() that doesn't suffer from strict
 restrictions on calling functions or modifying global data in
 the child.  For example, glibc-2.1 contains such a vfork()