From: Marc G. Fournier <scrappy@hub.org>
Date: Wed, 2 Oct 1996 20:42:20 +0000 (+0000)
Subject: Added NEED_UNION_SEMUN to config.h
X-Git-Tag: REL2_0~527
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=0fadfc00add2b0f4b0438f554a5f10b3fd68d0e0;p=postgresql

Added NEED_UNION_SEMUN to config.h
---

diff --git a/src/include/config.h b/src/include/config.h
index ede1a8184d..c1f9924ac5 100644
--- a/src/include/config.h
+++ b/src/include/config.h
@@ -15,6 +15,7 @@
 #  define NO_UNISTD_H
 #  define USES_WINSOCK 
 #  define NOFILE	100
+#  define NEED_UNION_SEMUN
 #endif /* WIN32 */
 
 #if defined(__FreeBSD__) || defined(__NetBSD__)
@@ -23,6 +24,7 @@
 
 #if defined(bsdi)
 #  define USE_LIMITS_H
+#  define NEED_UNION_SEMUN
 #endif
 
 #if defined(bsdi_2_1)
@@ -31,12 +33,30 @@
 
 #if defined(aix)
 #  define NEED_SYS_SELECT_H
+#  define NEED_UNION_SEMUN
 #endif
 
 #if defined(irix5)
 #  define NO_VFORK
 #endif
 
+/*
+ * On architectures for which we have not implemented spinlocks (or
+ * cannot do so), we use System V semaphores.  We also use them for
+ * long locks.  For some reason union semun is never defined in the
+ * System V header files so we must do it ourselves.
+ */
+#if defined(sequent) || \
+    defined(PORTNAME_alpha) || \
+    defined(PORTNAME_hpux) || \
+    defined(PORTNAME_dgux) || \
+    defined(PORTNAME_i386_solaris) || \
+    defined(PORTNAME_sparc_solaris) || \
+    defined(PORTNAME_ultrix4) || \
+    defined(PORTNAME_svr4) || \
+#define NEED_UNION_SEMUN 
+#endif
+
 /*  Debug and various "defines" that should be documented */
 
 /* found in function aclparse() in src/backend/utils/adt/acl.c */