Create an internal semaphore API that is not tied to SysV semaphores.

As proof of concept, provide an alternate implementation based on POSIX
semaphores.  Also push the SysV shared-memory implementation into a
separate file so that it can be replaced conveniently.

2 files changed, 6 insertions, 2 deletions

diff --git a/src/backend/libpq/auth.c b/src/backend/libpq/auth.c
index 81a494905ea..d29d034e849 100644
--- a/src/backend/libpq/auth.c
+++ b/src/backend/libpq/auth.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/libpq/auth.c,v 1.80 2002/04/04 04:25:47 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/libpq/auth.c,v 1.81 2002/05/05 00:03:28 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -25,6 +25,7 @@
 #endif
 #include <netinet/in.h>
 #include <arpa/inet.h>
+
 #include "libpq/auth.h"
 #include "libpq/crypt.h"
 #include "libpq/hba.h"
@@ -32,6 +33,8 @@
 #include "libpq/password.h"
 #include "libpq/pqformat.h"
 #include "miscadmin.h"
+#include "storage/ipc.h"
+
 
 static void sendAuthRequest(Port *port, AuthRequest areq);
 static int	old_be_recvauth(Port *port);
diff --git a/src/backend/libpq/pqcomm.c b/src/backend/libpq/pqcomm.c
index f0db43239ce..a82771dcf31 100644
--- a/src/backend/libpq/pqcomm.c
+++ b/src/backend/libpq/pqcomm.c
@@ -29,7 +29,7 @@
  * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- *	$Id: pqcomm.c,v 1.132 2002/04/21 01:03:33 tgl Exp $
+ *	$Id: pqcomm.c,v 1.133 2002/05/05 00:03:28 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -79,6 +79,7 @@
 
 #include "libpq/libpq.h"
 #include "miscadmin.h"
+#include "storage/ipc.h"
 
 
 static void pq_close(void);