1 files changed, 0 insertions, 348 deletions

diff --git a/lib/libpthread/thread/thr_create.c b/lib/libpthread/thread/thr_create.c
deleted file mode 100644
index b8a1c466b978..000000000000
--- a/lib/libpthread/thread/thr_create.c
+++ /dev/null
@@ -1,348 +0,0 @@
-/*
- * Copyright (c) 1995-1998 John Birrell <jb@cimlogic.com.au>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by John Birrell.
- * 4. Neither the name of the author nor the names of any co-contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * $FreeBSD$
- */
-#include <errno.h>
-#include <stdlib.h>
-#include <string.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <stddef.h>
-#include <sys/time.h>
-#include <sys/param.h>
-#include <sys/mman.h>
-#ifdef _THREAD_SAFE
-#include <machine/reg.h>
-#include <pthread.h>
-#include "pthread_private.h"
-#include "libc_private.h"
-
-static u_int64_t next_uniqueid = 1;
-
-#define OFF(f)	offsetof(struct pthread, f)
-int _thread_next_offset			= OFF(tle.tqe_next);
-int _thread_uniqueid_offset		= OFF(uniqueid);
-int _thread_state_offset		= OFF(state);
-int _thread_name_offset			= OFF(name);
-int _thread_sig_saved_offset		= OFF(sig_saved);
-int _thread_saved_sigcontext_offset	= OFF(saved_sigcontext);
-int _thread_saved_jmp_buf_offset	= OFF(saved_jmp_buf);
-#undef OFF
-
-int _thread_PS_RUNNING_value		= PS_RUNNING;
-int _thread_PS_DEAD_value		= PS_DEAD;
-
-int
-pthread_create(pthread_t * thread, const pthread_attr_t * attr,
-	       void *(*start_routine) (void *), void *arg)
-{
-	int		f_gc = 0;
-	int             ret = 0;
-	pthread_t       gc_thread;
-	pthread_t       new_thread;
-	pthread_attr_t	pattr;
-	void           *stack;
-
-	/*
-	 * Locking functions in libc are required when there are
-	 * threads other than the initial thread.
-	 */
-	__isthreaded = 1;
-
-	/* Allocate memory for the thread structure: */
-	if ((new_thread = (pthread_t) malloc(sizeof(struct pthread))) == NULL) {
-		/* Insufficient memory to create a thread: */
-		ret = EAGAIN;
-	} else {
-		/* Check if default thread attributes are required: */
-		if (attr == NULL || *attr == NULL) {
-			/* Use the default thread attributes: */
-			pattr = &pthread_attr_default;
-		} else {
-			pattr = *attr;
-		}
-		/* Check if a stack was specified in the thread attributes: */
-		if ((stack = pattr->stackaddr_attr) != NULL) {
-		}
-		/* Allocate memory for a default-size stack: */
-		else if (pattr->stacksize_attr == PTHREAD_STACK_DEFAULT) {
-			struct stack	*spare_stack;
-			
-			/* Allocate or re-use a default-size stack. */
-			
-			/*
-			 * Use the garbage collector mutex for synchronization
-			 * of the spare stack list.
-			 */
-			if (pthread_mutex_lock(&_gc_mutex) != 0)
-				PANIC("Cannot lock gc mutex");
-			
-			if ((spare_stack = SLIST_FIRST(&_stackq)) != NULL) {
-				/* Use the spare stack. */
-				SLIST_REMOVE_HEAD(&_stackq, qe);
-				
-				/* Unlock the garbage collector mutex. */
-				if (pthread_mutex_unlock(&_gc_mutex) != 0)
-					PANIC("Cannot unlock gc mutex");
-				
-				stack = sizeof(struct stack)
-				    + (void *) spare_stack
-				    - PTHREAD_STACK_DEFAULT;
-			} else {
-				/* Allocate a new stack. */
-				stack = _next_stack + PTHREAD_STACK_GUARD;
-			    
-				/*
-				 * Even if stack allocation fails, we don't want
-				 * to try to use this location again, so
-				 * unconditionally decrement _next_stack.  Under
-				 * normal operating conditions, the most likely
-				 * reason for an mmap() error is a stack
-				 * overflow of the adjacent thread stack.
-				 */
-				_next_stack -= (PTHREAD_STACK_DEFAULT
-				    + PTHREAD_STACK_GUARD);
-
-				/* Unlock the garbage collector mutex. */
-				if (pthread_mutex_unlock(&_gc_mutex) != 0)
-					PANIC("Cannot unlock gc mutex");
-
-				/* Stack: */
-				if (mmap(stack, PTHREAD_STACK_DEFAULT,
-				    PROT_READ | PROT_WRITE, MAP_STACK,
-				    -1, 0) == MAP_FAILED) {
-					ret = EAGAIN;
-					free(new_thread);
-				}
-			}
-		}
-		/*
-		 * The user wants a stack of a particular size.  Lets hope they
-		 * really know what they want, and simply malloc the stack.
-		 */
-		else if ((stack = (void *) malloc(pattr->stacksize_attr))
-		    == NULL) {
-			/* Insufficient memory to create a thread: */
-			ret = EAGAIN;
-			free(new_thread);
-		}
-
-		/* Check for errors: */
-		if (ret != 0) {
-		} else {
-			/* Initialise the thread structure: */
-			memset(new_thread, 0, sizeof(struct pthread));
-			new_thread->slice_usec = -1;
-			new_thread->sig_saved = 0;
-			new_thread->stack = stack;
-			new_thread->start_routine = start_routine;
-			new_thread->arg = arg;
-
-			new_thread->cancelflags = PTHREAD_CANCEL_ENABLE |
-			    PTHREAD_CANCEL_DEFERRED;
-
-			/*
-			 * Write a magic value to the thread structure
-			 * to help identify valid ones:
-			 */
-			new_thread->magic = PTHREAD_MAGIC;
-
-			/* Initialise the thread for signals: */
-			new_thread->sigmask = _thread_run->sigmask;
-
-			/* Initialise the jump buffer: */
-			setjmp(new_thread->saved_jmp_buf);
-
-			/*
-			 * Set up new stack frame so that it looks like it
-			 * returned from a longjmp() to the beginning of
-			 * _thread_start().
-			 */
-#if	defined(__FreeBSD__)
-#if	defined(__alpha__)
-			new_thread->saved_jmp_buf[0]._jb[2] =
-			    (long)_thread_start;
-			new_thread->saved_jmp_buf[0]._jb[4 + R_RA] =
-			    0;
-			new_thread->saved_jmp_buf[0]._jb[4 + R_T12] =
-			    (long)_thread_start;
-#else
-			new_thread->saved_jmp_buf[0]._jb[0] =
-			    (long)_thread_start;
-#endif
-#elif	defined(__NetBSD__)
-#if	defined(__alpha__)
-			new_thread->saved_jmp_buf[2] = (long)_thread_start;
-			new_thread->saved_jmp_buf[4 + R_RA] = 0;
-			new_thread->saved_jmp_buf[4 + R_T12] =
-			    (long)_thread_start;
-#else
-			new_thread->saved_jmp_buf[0] = (long)_thread_start;
-#endif
-#else
-#error	"Don't recognize this operating system!"
-#endif
-
-			/* The stack starts high and builds down: */
-#if	defined(__FreeBSD__)
-#if	defined(__alpha__)
-			new_thread->saved_jmp_buf[0]._jb[4 + R_SP] =
-				(long)new_thread->stack + pattr->stacksize_attr
-				- sizeof(double);
-#else
-			new_thread->saved_jmp_buf[0]._jb[2] =
-			    (int)(new_thread->stack + pattr->stacksize_attr -
-			    sizeof(double));
-#endif
-#elif	defined(__NetBSD__)
-#if	defined(__alpha__)
-			new_thread->saved_jmp_buf[4 + R_SP] =
-			    (long)new_thread->stack + pattr->stacksize_attr -
-			    sizeof(double);
-#else
-			new_thread->saved_jmp_buf[2] = (long)new_thread->stack
-			    + pattr->stacksize_attr - sizeof(double);
-#endif
-#else
-#error	"Don't recognize this operating system!"
-#endif
-
-			/* Copy the thread attributes: */
-			memcpy(&new_thread->attr, pattr, sizeof(struct pthread_attr));
-
-			/*
-			 * Check if this thread is to inherit the scheduling
-			 * attributes from its parent: 
-			 */
-			if (new_thread->attr.flags & PTHREAD_INHERIT_SCHED) {
-				/* Copy the scheduling attributes: */
-				new_thread->base_priority
-				    = _thread_run->base_priority;
-				new_thread->attr.prio
-				    = _thread_run->base_priority;
-				new_thread->attr.sched_policy
-				    = _thread_run->attr.sched_policy;
-			} else {
-				/*
-				 * Use just the thread priority, leaving the
-				 * other scheduling attributes as their
-				 * default values: 
-				 */
-				new_thread->base_priority
-				    = new_thread->attr.prio;
-			}
-			new_thread->active_priority = new_thread->base_priority;
-			new_thread->inherited_priority = 0;
-
-			/* Initialise the join queue for the new thread: */
-			TAILQ_INIT(&(new_thread->join_queue));
-
-			/* Initialize the mutex queue: */
-			TAILQ_INIT(&new_thread->mutexq);
-
-			/* Initialise hooks in the thread structure: */
-			new_thread->specific_data = NULL;
-			new_thread->cleanup = NULL;
-			new_thread->flags = 0;
-			new_thread->poll_data.nfds = 0;
-			new_thread->poll_data.fds = NULL;
-			new_thread->jmpflags = 0;
-			new_thread->continuation = NULL;
-
-			/*
-			 * Defer signals to protect the scheduling queues
-			 * from access by the signal handler:
-			 */
-			_thread_kern_sig_defer();
-
-			/*
-			 * Initialise the unique id which GDB uses to
-			 * track threads.
-			 */
-			new_thread->uniqueid = next_uniqueid++;
-
-			/*
-			 * Check if the garbage collector thread
-			 * needs to be started.
-			 */
-			f_gc = (TAILQ_FIRST(&_thread_list) == _thread_initial);
-
-			/* Add the thread to the linked list of all threads: */
-			TAILQ_INSERT_HEAD(&_thread_list, new_thread, tle);
-
-			if (pattr->suspend == PTHREAD_CREATE_SUSPENDED) {
-				new_thread->state = PS_SUSPENDED;
-				PTHREAD_WAITQ_INSERT(new_thread);
-			} else {
-				new_thread->state = PS_RUNNING;
-				PTHREAD_PRIOQ_INSERT_TAIL(new_thread);
-			}
-
-			/*
-			 * Undefer and handle pending signals, yielding
-			 * if necessary.
-			 */
-			_thread_kern_sig_undefer();
-
-			/* Return a pointer to the thread structure: */
-			(*thread) = new_thread;
-
-			/* Schedule the new user thread: */
-			_thread_kern_sched(NULL);
-
-			/*
-			 * Start a garbage collector thread
-			 * if necessary.
-			 */
-			if (f_gc && pthread_create(&gc_thread,NULL,
-				    _thread_gc,NULL) != 0)
-				PANIC("Can't create gc thread");
-		}
-	}
-
-	/* Return the status: */
-	return (ret);
-}
-
-void
-_thread_start(void)
-{
-	/* We just left the scheduler via longjmp: */
-	_thread_kern_in_sched = 0;
-
-	/* Run the current thread's start routine with argument: */
-	pthread_exit(_thread_run->start_routine(_thread_run->arg));
-
-	/* This point should never be reached. */
-	PANIC("Thread has resumed after exit");
-}
-#endif