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authorManoj Srivastava <srivasta@golden-gryphon.com>2014-04-27 17:54:01 -0700
committerManoj Srivastava <srivasta@golden-gryphon.com>2014-04-27 17:54:01 -0700
commit8f5e5726134ce5b4bd436b16f367796d851df553 (patch)
tree0ce2ad130721dcf917d7f81fb8495bf0a189d266 /mcon/U/d_semop.U
parent02bf7be6fc0f798790ef5b2160bc89a77b909428 (diff)
Imported Upstream version 3.5-36
Diffstat (limited to 'mcon/U/d_semop.U')
-rw-r--r--mcon/U/d_semop.U67
1 files changed, 60 insertions, 7 deletions
diff --git a/mcon/U/d_semop.U b/mcon/U/d_semop.U
index 039cff2..129a057 100644
--- a/mcon/U/d_semop.U
+++ b/mcon/U/d_semop.U
@@ -1,31 +1,84 @@
-?RCS: $Id: d_semop.U 1 2006-08-24 12:32:52Z rmanfredi $
+?RCS: $Id: d_semop.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_semop.U,v $
?RCS: Revision 3.0 1993/08/18 12:07:05 ram
?RCS: Baseline for dist 3.0 netwide release.
?RCS:
-?MAKE:d_semop: Inlibc
+?MAKE:d_semop d_semtimedop: Trylink cat
?MAKE: -pick add $@ %<
?S:d_semop:
?S: This variable conditionally defines the HAS_SEMOP symbol, which
?S: indicates to the C program that the semop() routine is available.
?S:.
+?S:d_semtimedop:
+?S: This variable conditionally defines the HAS_SEMTIMEDOP symbol, which
+?S: indicates to the C program that the semtimedop() routine is available.
+?S:.
?C:HAS_SEMOP:
?C: This symbol, if defined, indicates that the semop() routine is
?C: available to execute semaphore operations.
?C:.
+?C:HAS_SEMTIMEDOP:
+?C: This symbol, if defined, indicates that the semtimedop() routine is
+?C: available to execute semaphore operations with a timeout.
+?C:.
?H:#$d_semop HAS_SEMOP /**/
+?H:#$d_semtimedop HAS_SEMTIMEDOP /**/
?H:.
-?LINT:set d_semop
+?LINT:set d_semop d_semtimedop
: see if semop exists
-set semop d_semop
-eval $inlibc
+$cat >try.c <<EOC
+#include <sys/ipc.h>
+#include <sys/sem.h>
+int main(void)
+{
+ static int ret, id;
+ static size_t n;
+ static struct sembuf buf;
+
+ buf.sem_num |= 1;
+ buf.sem_op |= 1;
+ buf.sem_flg |= SEM_UNDO;
+ buf.sem_flg |= IPC_NOWAIT;
+ ret |= semop(id, &buf, n);
+ return ret ? 0 : 1;
+}
+EOC
+cyn=semop
+set d_semop
+eval $trylink
+
+@if d_semtimedop || HAS_SEMTIMEDOP
+: see if semtimedop exists
+$cat >try.c <<EOC
+#include <sys/types.h>
+#include <sys/ipc.h>
+#include <sys/sem.h>
+int main(void)
+{
+ static int ret, id;
+ static size_t n;
+ static struct sembuf buf;
+
+
+ buf.sem_num |= 1;
+ buf.sem_op |= 1;
+ buf.sem_flg |= SEM_UNDO;
+ buf.sem_flg |= IPC_NOWAIT;
+ ret |= semtimedop(id, &buf, n, (struct timespec *) 0);
+ return ret ? 0 : 1;
+}
+EOC
+cyn=semtimedop
+set d_semtimedop
+eval $trylink
+@end