[all] Removed call to getppid in SendPostmasterSignal, replacing with a

PostmasterPid variable, which gets set (early) in PostmasterMain
getppid would not be the postmaster?

[fork/exec] Implements processCancelRequest by keeping an array of

pid/cancel_key structs in shared mem

[fork/exec] Moves AttachSharedMemoryAndSemaphores call for backends into
SubPostmasterMain

[win32] Implements reaper/waitpid by keeping an arrays of children
pids,handles in postmaster local mem
      - this item is largely untested, for reasons which should be
obvious, but appears sound

[win32/all] Added extern for pgpipe in Win32 case, and changed the second
pipe call (which seems to have been missed earlier) to pgpipe

[win32] #define'd ftruncate to chsize in the Win32 case

[win32] PG_USLEEP for Win32 has a misplaced paren. Fixed.

[win32] DLLIMPORT handling for MingW case


Claudio Natoli

src/include/miscadmin.h

@@ -12,7 +12,7 @@
  * Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $PostgreSQL: pgsql/src/include/miscadmin.h,v 1.147 2004/01/26 22:54:57 momjian Exp $
+ * $PostgreSQL: pgsql/src/include/miscadmin.h,v 1.148 2004/01/26 22:59:53 momjian Exp $
  *
  * NOTES
  *	  some of the information in this file should be moved to
@@ -109,10 +109,14 @@ do { \
 #else
 #define PG_USLEEP(_usec) \
 do { \
-	Sleep(_usec < 500) ? 1 : (_usec+500)/ 1000); \
+	Sleep((_usec) < 500 ? 1 : ((_usec)+500)/ 1000); \
 } while(0)
 #endif
 
+#ifdef WIN32
+#define ftruncate(a,b)	chsize(a,b)
+#endif
+
 /*****************************************************************************
  *	  globals.h --															 *
  *****************************************************************************/
@@ -132,6 +136,7 @@ extern void ClosePostmasterPorts(bool pgstat_too);
 /*
  * from utils/init/globals.c
  */
+extern pid_t PostmasterPid;
 extern bool IsPostmasterEnvironment;
 extern bool IsUnderPostmaster;