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authorManoj Srivastava <srivasta@debian.org>2003-12-01 17:11:15 +0000
committerManoj Srivastava <srivasta@debian.org>2003-12-01 17:11:15 +0000
commit371472d9fb6a936149b105a6563a0550d35bdf1a (patch)
tree6d23751e44a7dddf4e29918551f1ea0513352622 /mcon/U/d_getpgrp.U
Initial import of upstream branch
Initial import of upstream branch git-archimport-id: srivasta@debian.org--2003-primary/dist--upstream--3.70--base-0
Diffstat (limited to 'mcon/U/d_getpgrp.U')
-rw-r--r--mcon/U/d_getpgrp.U105
1 files changed, 105 insertions, 0 deletions
diff --git a/mcon/U/d_getpgrp.U b/mcon/U/d_getpgrp.U
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+?RCS: $Id: d_getpgrp.U,v 3.0.1.1 1997/02/28 15:34:28 ram Exp $
+?RCS:
+?RCS: Copyright (c) 1991-1993, Raphael Manfredi
+?RCS:
+?RCS: You may redistribute only under the terms of the Artistic Licence,
+?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: of the source tree for dist 3.0.
+?RCS:
+?RCS: $Log: d_getpgrp.U,v $
+?RCS: Revision 3.0.1.1 1997/02/28 15:34:28 ram
+?RCS: patch61: new USE_BSD_GETPGRP to detect the getpgrp() flavour
+?RCS:
+?RCS: Revision 3.0 1993/08/18 12:06:15 ram
+?RCS: Baseline for dist 3.0 netwide release.
+?RCS:
+?MAKE:d_getpgrp d_bsdgetpgrp: Guess Inlibc Setvar cat rm \
+ +cc +ccflags +ldflags +libs i_unistd
+?MAKE: -pick add $@ %<
+?S:d_getpgrp:
+?S: This variable conditionally defines HAS_GETPGRP if getpgrp() is
+?S: available to get the current process group.
+?S:.
+?S:d_bsdgetpgrp:
+?S: This variable conditionally defines USE_BSD_GETPGRP if
+?S: getpgrp needs one arguments whereas USG one needs none.
+?S:.
+?C:HAS_GETPGRP (GETPGRP):
+?C: This symbol, if defined, indicates that the getpgrp routine is
+?C: available to get the current process group.
+?C:.
+?C:USE_BSD_GETPGRP:
+?C: This symbol, if defined, indicates that getpgrp needs one
+?C: arguments whereas USG one needs none.
+?C:.
+?H:#$d_getpgrp HAS_GETPGRP /**/
+?H:#$d_bsdgetpgrp USE_BSD_GETPGRP /**/
+?H:.
+?T:xxx
+?LINT:set d_getpgrp d_bsdgetpgrp
+: see if getpgrp exists
+set getpgrp d_getpgrp
+eval $inlibc
+
+@if USE_BSD_GETPGRP || d_bsdgetpgrp
+case "$d_getpgrp" in
+"$define")
+ echo " "
+ echo "Checking to see which flavor of getpgrp is in use..."
+ $cat >set.c <<EOP
+#$i_unistd I_UNISTD
+#include <sys/types.h>
+#ifdef I_UNISTD
+# include <unistd.h>
+#endif
+main()
+{
+ if (getuid() == 0) {
+ printf("(I see you are running Configure as super-user...)\n");
+ setuid(1);
+ }
+#ifdef TRY_BSD_PGRP
+ if (getpgrp(1) == 0)
+ exit(0);
+#else
+ if (getpgrp() > 0)
+ exit(0);
+#endif
+ exit(1);
+}
+EOP
+ if $cc -DTRY_BSD_PGRP $ccflags $ldflags -o set set.c $libs >/dev/null 2>&1 && ./set; then
+ echo "You have to use getpgrp(pid) instead of getpgrp()." >&4
+ val="$define"
+ elif $cc $ccflags $ldflags -o set set.c $libs >/dev/null 2>&1 && ./set; then
+ echo "You have to use getpgrp() instead of getpgrp(pid)." >&4
+ val="$undef"
+ else
+ echo "I can't seem to compile and run the test program."
+ if ./usg; then
+ xxx="a USG one, i.e. you use getpgrp()."
+ else
+ # SVR4 systems can appear rather BSD-ish.
+ case "$i_unistd" in
+ $undef)
+ xxx="a BSD one, i.e. you use getpgrp(pid)."
+ val="$define"
+ ;;
+ $define)
+ xxx="probably a USG one, i.e. you use getpgrp()."
+ val="$undef"
+ ;;
+ esac
+ fi
+ echo "Assuming your getpgrp is $xxx" >&4
+ fi
+ ;;
+*) val="$undef";;
+esac
+set d_bsdgetpgrp
+eval $setvar
+$rm -f set set.c
+@end
+