path: root/mcon/U/d_msgctl.U
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authorManoj Srivastava <>2008-05-30 12:42:47 -0700
committerManoj Srivastava <>2008-05-30 12:42:47 -0700
commitceb3507a8fca872770b3dcd7e5c5b36179ab95b0 (patch)
treeb46b4e25cfff5f4c13a330b8428ceed343e3796c /mcon/U/d_msgctl.U
Import dist_3.5-236.orig.tar.gz
[dgit import orig dist_3.5-236.orig.tar.gz]
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diff --git a/mcon/U/d_msgctl.U b/mcon/U/d_msgctl.U
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+?RCS: $Id$
+?RCS: Copyright (c) 1991-1997, 2004-2006, Raphael Manfredi
+?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 License; a copy of which may be found at the root
+?RCS: of the source tree for dist 4.0.
+?RCS: $Log: d_msgctl.U,v $
+?RCS: Revision 3.0 1993/08/18 12:06:38 ram
+?RCS: Baseline for dist 3.0 netwide release.
+?MAKE:d_msgctl: Trylink cat
+?MAKE: -pick add $@ %<
+?S: This variable conditionally defines the HAS_MSGCTL symbol, which
+?S: indicates to the C program that the msgctl() routine is available.
+?C: This symbol, if defined, indicates that the msgctl() routine is
+?C: available to perform message control operations.
+?H:#$d_msgctl HAS_MSGCTL /**/
+?LINT:set d_msgctl
+: see if msgctl exists
+$cat >try.c <<EOC
+#include <sys/msg.h>
+int main(void)
+ static int ret, id;
+ static struct msqid_ds buf;
+ ret |= msgctl(id, IPC_STAT, &buf);
+ ret |= msgctl(id, IPC_SET, &buf);
+ ret |= msgctl(id, IPC_RMID, &buf);
+ return ret ? 0 : 1;
+set d_msgctl
+eval $trylink