Libc-262.tar.gz

[apple/libc.git] / threads.subproj / mig_support.c

diff --git a/threads.subproj/mig_support.c b/threads.subproj/mig_support.c
deleted file mode 100644 (file)
index 1cf0f63..0000000
--- a/threads.subproj/mig_support.c
+++ /dev/null
@@ -1,171 +0,0 @@
-/*
- * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- * 
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
- * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- * 
- * @APPLE_LICENSE_HEADER_END@
- */
-/* 
- * Mach Operating System
- * Copyright (c) 1989 Carnegie-Mellon University
- * All rights reserved.  The CMU software License Agreement specifies
- * the terms and conditions for use and redistribution.
- */
-/*
- * mig_support.c  - by Mary Thompson
- *
- * Routines to set and deallocate the mig reply port for the current thread.
- * Called from mig-generated interfaces.
- */
-#include <mach/mach.h>
-#include <pthread_internals.h>
-#include <pthread.h>
-
-#include "cthreads.h"
-#include "cthread_internals.h"
-
-pthread_lock_t reply_port_lock;
-extern mach_port_t _pthread_reply_port(pthread_t);
-static mach_port_t _task_reply_port = MACH_PORT_NULL;
-
-/*
- * called in new child...
- * clear lock to cover case where the parent had
- * a thread holding this lock while another thread
- * did the fork()
- */
-void mig_fork_child()
-{
-       UNLOCK(reply_port_lock);
-}
-
-/*
- * Called by mach_init with 0 before cthread_init is
- * called and again with 1 at the end of cthread_init.
- */
-void
-mig_init(init_done)
-       int init_done;
-{
-    if (init_done == 0) {
-        LOCK_INIT(reply_port_lock);
-        _task_reply_port = mach_reply_port();
-    }
-}
-
-/*
- * Called by mig interface code whenever a reply port is needed.
- * Tracing is masked during this call; otherwise, a call to printf()
- * can result in a call to malloc() which eventually reenters
- * mig_get_reply_port() and deadlocks.
- */
-mach_port_t
-mig_get_reply_port()
-{
-       register cproc_t self;
-        pthread_t pself;
-#ifdef CTHREADS_DEBUG
-       int d = cthread_debug;
-#endif CTHREADS_DEBUG
-
-#ifdef CTHREADS_DEBUG
-       cthread_debug = FALSE;
-#endif CTHREADS_DEBUG
-        pself = pthread_self();
-        if ((pself != (pthread_t)NULL) && (pself->sig == _PTHREAD_SIG)) {
-            if (pself->reply_port == MACH_PORT_NULL) {
-                pself->reply_port = mach_reply_port();
-            }
-            return pself->reply_port;
-        }
-       self = cproc_self();
-       if (self == NO_CPROC) {
-#ifdef CTHREADS_DEBUG
-               cthread_debug = d;
-#endif CTHREADS_DEBUG
-               return(_task_reply_port);
-       }
-        if (self->reply_port == MACH_PORT_NULL) {
-            self->reply_port = mach_reply_port();
-        }
-#ifdef CTHREADS_DEBUG
-       cthread_debug = d;
-#endif CTHREADS_DEBUG
-       return self->reply_port;
-}
-
-/*
- * Called by mig interface code after a timeout on the reply port.
- * May also be called by user. The new mig calls with port passed in
- * We are ignoring this , so is osfmk cthreads code
- */
-void
-mig_dealloc_reply_port(mach_port_t migport)
-{
-       register cproc_t self;
-        pthread_t pself;
-       register mach_port_t port;
-#ifdef CTHREADS_DEBUG
-       int d = cthread_debug;
-#endif CTHREADS_DEBUG
-
-#ifdef CTHREADS_DEBUG
-       cthread_debug = FALSE;
-#endif CTHREADS_DEBUG
-        pself = pthread_self();
-        if ((pself != (pthread_t)NULL) && (pself->sig == _PTHREAD_SIG)) {
-            port = pself->reply_port;
-            if (port != MACH_PORT_NULL && port != _task_reply_port) {
-                    LOCK(reply_port_lock);
-                    pself->reply_port = _task_reply_port;
-                    (void) mach_port_destroy(mach_task_self(), port);
-                    pself->reply_port = MACH_PORT_NULL;
-                    UNLOCK(reply_port_lock);
-            }
-            return;
-        }
-       self = cproc_self();
-       if (self == NO_CPROC) {
-#ifdef CTHREADS_DEBUG
-               cthread_debug = d;
-#endif CTHREADS_DEBUG
-               return;
-       }
-       ASSERT(self != NO_CPROC);
-       port = self->reply_port;
-        if (port != MACH_PORT_NULL && port != _task_reply_port) {
-               LOCK(reply_port_lock);
-                self->reply_port = _task_reply_port;
-                (void) mach_port_destroy(mach_task_self(), port);
-                self->reply_port = MACH_PORT_NULL;
-               UNLOCK(reply_port_lock);
-       }
-#ifdef CTHREADS_DEBUG
-       cthread_debug = d;
-#endif CTHREADS_DEBUG
-}
-
-/*************************************************************
- *  Called by mig interfaces after each RPC.
- *  Could be called by user.
- ***********************************************************/
-
-void
-mig_put_reply_port(
-       mach_port_t     reply_port)
-{
-}