InnoDB: Remove unused module sync0ipm

BitKeeper/deleted/.del-sync0ipm.c~48eb5196b6819734:
  Delete: innobase/sync/sync0ipm.c
BitKeeper/deleted/.del-sync0ipm.h~92a27f3bd9b15164:
  Delete: innobase/include/sync0ipm.h
BitKeeper/deleted/.del-sync0ipm.ic~2024167f6418de39:
  Delete: innobase/include/sync0ipm.ic
innobase/sync/makefilewin:
  Remove unused file sync0ipm.c
innobase/include/Makefile.am:
  Remove unused files sync0ipm.h and sync0ipm.ic
innobase/sync/Makefile.am:
  Remove unused file sync0ipm.c

3 files changed, 3 insertions, 176 deletions

diff --git a/innobase/sync/Makefile.am b/innobase/sync/Makefile.am
index 4acd4516e35..c95955a733b 100644
--- a/innobase/sync/Makefile.am
+++ b/innobase/sync/Makefile.am
@@ -19,6 +19,6 @@ include ../include/Makefile.i
 
 noinst_LIBRARIES =	libsync.a
 
-libsync_a_SOURCES =	sync0arr.c sync0ipm.c sync0rw.c sync0sync.c
+libsync_a_SOURCES =	sync0arr.c sync0rw.c sync0sync.c
 
 EXTRA_PROGRAMS =	
diff --git a/innobase/sync/makefilewin b/innobase/sync/makefilewin
index 5809d8e7375..73cff40405a 100644
--- a/innobase/sync/makefilewin
+++ b/innobase/sync/makefilewin
@@ -1,7 +1,7 @@
 include ..\include\makefile.i
 
-sync.lib: sync0sync.obj sync0rw.obj sync0ipm.obj sync0arr.obj
-	lib -out:..\libs\sync.lib sync0sync.obj sync0rw.obj sync0ipm.obj sync0arr.obj
+sync.lib: sync0sync.obj sync0rw.obj sync0arr.obj
+	lib -out:..\libs\sync.lib sync0sync.obj sync0rw.obj sync0arr.obj
 
 sync0sync.obj: sync0sync.c
 	$(CCOM) $(CFLN) -c sync0sync.c
@@ -9,9 +9,6 @@ sync0sync.obj: sync0sync.c
 sync0rw.obj: sync0rw.c
 	$(CCOM) $(CFL) -c sync0rw.c
 
-sync0ipm.obj: sync0ipm.c
-	$(CCOM) $(CFL) -c sync0ipm.c
-
 sync0arr.obj: sync0arr.c
 	$(CCOM) $(CFL) -c sync0arr.c
 
diff --git a/innobase/sync/sync0ipm.c b/innobase/sync/sync0ipm.c
deleted file mode 100644
index e10e1c85da5..00000000000
--- a/innobase/sync/sync0ipm.c
+++ /dev/null
@@ -1,170 +0,0 @@
-/******************************************************
-A fast mutex for interprocess synchronization.
-mutex_t can be used only within single process,
-but ip_mutex_t also between processes.
-
-(c) 1995 Innobase Oy
-
-Created 9/30/1995 Heikki Tuuri
-*******************************************************/
-#include "sync0ipm.h"
-#ifdef UNIV_NONINL
-#include "sync0ipm.ic"
-#endif
-
-#include "mem0mem.h"
-
-/* The performance of the ip mutex in NT depends on how often
-a thread has to suspend itself waiting for the ip mutex
-to become free. The following variable counts system calls
-involved. */
-
-ulint	ip_mutex_system_call_count	= 0;
-
-/**********************************************************************
-Creates, or rather, initializes
-an ip mutex object in a specified shared memory location (which must be
-appropriately aligned). The ip mutex is initialized in the reset state.
-NOTE! Explicit destroying of the ip mutex with ip_mutex_free
-is not recommended
-as the mutex resides in shared memory and we cannot make sure that
-no process is currently accessing it. Therefore just use
-ip_mutex_close to free the operating system event and mutex. */
-
-ulint
-ip_mutex_create(
-/*============*/
-					/* out: 0 if succeed */
-	ip_mutex_t*	ip_mutex,	/* in: pointer to shared memory */
-	char*		name,		/* in: name of the ip mutex */
-	ip_mutex_hdl_t** handle)	/* out, own: handle to the
-					created mutex; handle exists
-					in the private address space of
-					the calling process */
-{
-	mutex_t*	mutex;
-	char*		buf;
-	os_event_t	released;
-	os_mutex_t	exclude;
-	
-	ip_mutex_set_waiters(ip_mutex, 0);
-
-	buf = mem_alloc(strlen(name) + 20);
-
-	strcpy(buf, name);
-	strcpy(buf + strlen(name), "_IB_RELS");
-
-	released = os_event_create(buf);
-
-	if (released == NULL) {
-		mem_free(buf);
-		return(1);
-	}
-
-	strcpy(buf + strlen(name), "_IB_EXCL");
-
-	exclude = os_mutex_create(buf);
-
-	if (exclude == NULL) {
-		os_event_free(released);
-		mem_free(buf);
-		return(1);
-	}
-
-	mutex = ip_mutex_get_mutex(ip_mutex);
-
-	mutex_create(mutex);
-	mutex_set_level(mutex, SYNC_NO_ORDER_CHECK);
-	
-	*handle = mem_alloc(sizeof(ip_mutex_hdl_t));
-
-	(*handle)->ip_mutex = ip_mutex;
-	(*handle)->released = released;
-	(*handle)->exclude = exclude;
-
-	mem_free(buf);
-
-	return(0);
-}
-
-/**********************************************************************
-NOTE! Using this function is not recommended. See the note
-on ip_mutex_create. Destroys an ip mutex */
-
-void
-ip_mutex_free(
-/*==========*/
-	ip_mutex_hdl_t*	handle)		/* in, own: ip mutex handle */
-{
-	mutex_free(ip_mutex_get_mutex(handle->ip_mutex));
-
-	os_event_free(handle->released);
-	os_mutex_free(handle->exclude);
-
-	mem_free(handle);
-}
-
-/**********************************************************************
-Opens an ip mutex object in a specified shared memory location.
-Explicit closing of the ip mutex with ip_mutex_close is necessary to
-free the operating system event and mutex created, and the handle. */
-
-ulint
-ip_mutex_open(
-/*==========*/
-					/* out: 0 if succeed */
-	ip_mutex_t*	ip_mutex,	/* in: pointer to shared memory */
-	char*		name,		/* in: name of the ip mutex */
-	ip_mutex_hdl_t** handle)	/* out, own: handle to the
-					opened mutex */
-{
-	char*		buf;
-	os_event_t	released;
-	os_mutex_t	exclude;
-	
-	buf = mem_alloc(strlen(name) + 20);
-
-	strcpy(buf, name);
-	strcpy(buf + strlen(name), "_IB_RELS");
-
-	released = os_event_create(buf);
-
-	if (released == NULL) {
-		mem_free(buf);
-		return(1);
-	}
-
-	strcpy(buf + strlen(name), "_IB_EXCL");
-
-	exclude = os_mutex_create(buf);
-
-	if (exclude == NULL) {
-		os_event_free(released);
-		mem_free(buf);
-		return(1);
-	}
-
-	*handle = mem_alloc(sizeof(ip_mutex_hdl_t));
-
-	(*handle)->ip_mutex = ip_mutex;
-	(*handle)->released = released;
-	(*handle)->exclude = exclude;
-
-	mem_free(buf);
-
-	return(0);
-}
-
-/**********************************************************************
-Closes an ip mutex. */
-
-void
-ip_mutex_close(
-/*===========*/
-	ip_mutex_hdl_t*	handle)		/* in, own: ip mutex handle */
-{
-	os_event_free(handle->released);
-	os_mutex_free(handle->exclude);
-
-	mem_free(handle);
-}