1 files changed, 0 insertions, 390 deletions

diff --git a/lib/libpthread/thread/thr_init.c b/lib/libpthread/thread/thr_init.c
deleted file mode 100644
index dd5f53fac64e..000000000000
--- a/lib/libpthread/thread/thr_init.c
+++ /dev/null
@@ -1,390 +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.
- *
- * $FreeBSD$
- */
-
-/* Allocate space for global thread variables here: */
-#define GLOBAL_PTHREAD_PRIVATE
-
-#include <errno.h>
-#include <stdlib.h>
-#include <string.h>
-#include <fcntl.h>
-#include <paths.h>
-#include <poll.h>
-#include <unistd.h>
-#include <sys/ioctl.h>
-#include <sys/sysctl.h>
-#include <sys/time.h>
-#include <sys/ttycom.h>
-#include <sys/param.h>
-#include <sys/user.h>
-#include <sys/mman.h>
-#ifdef _THREAD_SAFE
-#include <machine/reg.h>
-#include <pthread.h>
-#include "pthread_private.h"
-
-#ifdef GCC_2_8_MADE_THREAD_AWARE
-typedef void *** (*dynamic_handler_allocator)();
-extern void __set_dynamic_handler_allocator(dynamic_handler_allocator);
-
-static pthread_key_t except_head_key;
-
-typedef struct {
-	void **__dynamic_handler_chain;
-	void *top_elt[2];
-} except_struct;
-
-static void ***dynamic_allocator_handler_fn()
-{
-	except_struct *dh = (except_struct *)pthread_getspecific(except_head_key);
-
-	if(dh == NULL) {
-		dh = (except_struct *)malloc( sizeof(except_struct) );
-		memset(dh, '\0', sizeof(except_struct));
-		dh->__dynamic_handler_chain= dh->top_elt;
-		pthread_setspecific(except_head_key, (void *)dh);
-	}
-	return &dh->__dynamic_handler_chain;
-}
-#endif /* GCC_2_8_MADE_THREAD_AWARE */
-
-/*
- * Threaded process initialization
- */
-void
-_thread_init(void)
-{
-	int		fd;
-	int             flags;
-	int             i;
-	size_t		len;
-	int		mib[2];
-	struct timeval	tv;
-	struct clockinfo clockinfo;
-	struct sigaction act;
-
-	/* Check if this function has already been called: */
-	if (_thread_initial)
-		/* Only initialise the threaded application once. */
-		return;
-
-	/*
-	 * Check for the special case of this process running as
-	 * or in place of init as pid = 1:
-	 */
-	if (getpid() == 1) {
-		/*
-		 * Setup a new session for this process which is
-		 * assumed to be running as root.
-		 */
-		if (setsid() == -1)
-			PANIC("Can't set session ID");
-		if (revoke(_PATH_CONSOLE) != 0)
-			PANIC("Can't revoke console");
-		if ((fd = _thread_sys_open(_PATH_CONSOLE, O_RDWR)) < 0)
-			PANIC("Can't open console");
-		if (setlogin("root") == -1)
-			PANIC("Can't set login to root");
-		if (_thread_sys_ioctl(fd,TIOCSCTTY, (char *) NULL) == -1)
-			PANIC("Can't set controlling terminal");
-		if (_thread_sys_dup2(fd,0) == -1 ||
-		    _thread_sys_dup2(fd,1) == -1 ||
-		    _thread_sys_dup2(fd,2) == -1)
-			PANIC("Can't dup2");
-	}
-
-	/* Get the standard I/O flags before messing with them : */
-	for (i = 0; i < 3; i++)
-		if (((_pthread_stdio_flags[i] =
-		    _thread_sys_fcntl(i,F_GETFL, NULL)) == -1) &&
-		    (errno != EBADF))
-			PANIC("Cannot get stdio flags");
-
-	/*
-	 * Create a pipe that is written to by the signal handler to prevent
-	 * signals being missed in calls to _select: 
-	 */
-	if (_thread_sys_pipe(_thread_kern_pipe) != 0) {
-		/* Cannot create pipe, so abort: */
-		PANIC("Cannot create kernel pipe");
-	}
-	/* Get the flags for the read pipe: */
-	else if ((flags = _thread_sys_fcntl(_thread_kern_pipe[0], F_GETFL, NULL)) == -1) {
-		/* Abort this application: */
-		PANIC("Cannot get kernel read pipe flags");
-	}
-	/* Make the read pipe non-blocking: */
-	else if (_thread_sys_fcntl(_thread_kern_pipe[0], F_SETFL, flags | O_NONBLOCK) == -1) {
-		/* Abort this application: */
-		PANIC("Cannot make kernel read pipe non-blocking");
-	}
-	/* Get the flags for the write pipe: */
-	else if ((flags = _thread_sys_fcntl(_thread_kern_pipe[1], F_GETFL, NULL)) == -1) {
-		/* Abort this application: */
-		PANIC("Cannot get kernel write pipe flags");
-	}
-	/* Make the write pipe non-blocking: */
-	else if (_thread_sys_fcntl(_thread_kern_pipe[1], F_SETFL, flags | O_NONBLOCK) == -1) {
-		/* Abort this application: */
-		PANIC("Cannot get kernel write pipe flags");
-	}
-	/* Allocate and initialize the ready queue: */
-	else if (_pq_alloc(&_readyq, PTHREAD_MIN_PRIORITY, PTHREAD_MAX_PRIORITY) != 0) {
-		/* Abort this application: */
-		PANIC("Cannot allocate priority ready queue.");
-	}
-	/* Allocate memory for the thread structure of the initial thread: */
-	else if ((_thread_initial = (pthread_t) malloc(sizeof(struct pthread))) == NULL) {
-		/*
-		 * Insufficient memory to initialise this application, so
-		 * abort: 
-		 */
-		PANIC("Cannot allocate memory for initial thread");
-	} else {
-		/* Zero the global kernel thread structure: */
-		memset(&_thread_kern_thread, 0, sizeof(struct pthread));
-		_thread_kern_thread.flags = PTHREAD_FLAGS_PRIVATE;
-		memset(_thread_initial, 0, sizeof(struct pthread));
-
-		/* Initialize the waiting and work queues: */
-		TAILQ_INIT(&_waitingq);
-		TAILQ_INIT(&_workq);
-
-		/* Initialize the scheduling switch hook routine: */
-		_sched_switch_hook = NULL;
-
-		/* Give this thread default attributes: */
-		memcpy((void *) &_thread_initial->attr, &pthread_attr_default,
-		    sizeof(struct pthread_attr));
-
-		/* Initialize the thread stack cache: */
-		SLIST_INIT(&_stackq);
-
-		/*
-		 * Create a red zone below the main stack.  All other stacks are
-		 * constrained to a maximum size by the paramters passed to
-		 * mmap(), but this stack is only limited by resource limits, so
-		 * this stack needs an explicitly mapped red zone to protect the
-		 * thread stack that is just beyond.
-		 */
-		if (mmap((void *) USRSTACK - PTHREAD_STACK_INITIAL -
-		    PTHREAD_STACK_GUARD, PTHREAD_STACK_GUARD, 0, MAP_ANON,
-		    -1, 0) == MAP_FAILED)
-			PANIC("Cannot allocate red zone for initial thread");
-
-		/* Set the main thread stack pointer. */
-		_thread_initial->stack = (void *) USRSTACK -
-		    PTHREAD_STACK_INITIAL;
-
-		/* Set the stack attributes: */
-		_thread_initial->attr.stackaddr_attr = _thread_initial->stack;
-		_thread_initial->attr.stacksize_attr = PTHREAD_STACK_INITIAL;
-
-		/*
-		 * Write a magic value to the thread structure
-		 * to help identify valid ones:
-		 */
-		_thread_initial->magic = PTHREAD_MAGIC;
-
-		/* Set the initial cancel state */
-		_thread_initial->cancelflags = PTHREAD_CANCEL_ENABLE |
-		    PTHREAD_CANCEL_DEFERRED;
-
-		/* Default the priority of the initial thread: */
-		_thread_initial->base_priority = PTHREAD_DEFAULT_PRIORITY;
-		_thread_initial->active_priority = PTHREAD_DEFAULT_PRIORITY;
-		_thread_initial->inherited_priority = 0;
-
-		/* Initialise the state of the initial thread: */
-		_thread_initial->state = PS_RUNNING;
-
-		/* Initialise the queue: */
-		TAILQ_INIT(&(_thread_initial->join_queue));
-
-		/* Initialize the owned mutex queue and count: */
-		TAILQ_INIT(&(_thread_initial->mutexq));
-		_thread_initial->priority_mutex_count = 0;
-
-		/* Initialize last active time to now: */
-		gettimeofday(&tv, NULL);
-		_thread_initial->last_active.tv_sec = tv.tv_sec;
-		_thread_initial->last_active.tv_usec = tv.tv_usec;
-
-		/* Initialise the rest of the fields: */
-		_thread_initial->poll_data.nfds = 0;
-		_thread_initial->poll_data.fds = NULL;
-		_thread_initial->sig_defer_count = 0;
-		_thread_initial->yield_on_sig_undefer = 0;
-		_thread_initial->specific_data = NULL;
-		_thread_initial->cleanup = NULL;
-		_thread_initial->flags = 0;
-		_thread_initial->error = 0;
-		TAILQ_INIT(&_thread_list);
-		TAILQ_INSERT_HEAD(&_thread_list, _thread_initial, tle);
-		_thread_run = _thread_initial;
-
-		/* Initialise the global signal action structure: */
-		sigfillset(&act.sa_mask);
-		act.sa_handler = (void (*) ()) _thread_sig_handler;
-		act.sa_flags = 0;
-
-		/* Initialize signal handling: */
-		_thread_sig_init();
-
-		/* Enter a loop to get the existing signal status: */
-		for (i = 1; i < NSIG; i++) {
-			/* Check for signals which cannot be trapped: */
-			if (i == SIGKILL || i == SIGSTOP) {
-			}
-
-			/* Get the signal handler details: */
-			else if (_thread_sys_sigaction(i, NULL,
-			    &_thread_sigact[i - 1]) != 0) {
-				/*
-				 * Abort this process if signal
-				 * initialisation fails: 
-				 */
-				PANIC("Cannot read signal handler info");
-			}
-		}
-
-		/*
-		 * Install the signal handler for the most important
-		 * signals that the user-thread kernel needs. Actually
-		 * SIGINFO isn't really needed, but it is nice to have.
-		 */
-		if (_thread_sys_sigaction(_SCHED_SIGNAL, &act, NULL) != 0 ||
-		    _thread_sys_sigaction(SIGINFO,       &act, NULL) != 0 ||
-		    _thread_sys_sigaction(SIGCHLD,       &act, NULL) != 0) {
-			/*
-			 * Abort this process if signal initialisation fails: 
-			 */
-			PANIC("Cannot initialise signal handler");
-		}
-
-		/* Get the kernel clockrate: */
-		mib[0] = CTL_KERN;
-		mib[1] = KERN_CLOCKRATE;
-		len = sizeof (struct clockinfo);
-		if (sysctl(mib, 2, &clockinfo, &len, NULL, 0) == 0)
-			_clock_res_nsec = clockinfo.tick * 1000;
-
-		/* Get the table size: */
-		if ((_thread_dtablesize = getdtablesize()) < 0) {
-			/*
-			 * Cannot get the system defined table size, so abort
-			 * this process. 
-			 */
-			PANIC("Cannot get dtablesize");
-		}
-		/* Allocate memory for the file descriptor table: */
-		if ((_thread_fd_table = (struct fd_table_entry **) malloc(sizeof(struct fd_table_entry *) * _thread_dtablesize)) == NULL) {
-			/* Avoid accesses to file descriptor table on exit: */
-			_thread_dtablesize = 0;
-
-			/*
-			 * Cannot allocate memory for the file descriptor
-			 * table, so abort this process. 
-			 */
-			PANIC("Cannot allocate memory for file descriptor table");
-		}
-		/* Allocate memory for the pollfd table: */
-		if ((_thread_pfd_table = (struct pollfd *) malloc(sizeof(struct pollfd) * _thread_dtablesize)) == NULL) {
-			/*
-			 * Cannot allocate memory for the file descriptor
-			 * table, so abort this process. 
-			 */
-			PANIC("Cannot allocate memory for pollfd table");
-		} else {
-			/*
-			 * Enter a loop to initialise the file descriptor
-			 * table: 
-			 */
-			for (i = 0; i < _thread_dtablesize; i++) {
-				/* Initialise the file descriptor table: */
-				_thread_fd_table[i] = NULL;
-			}
-
-			/* Initialize stdio file descriptor table entries: */
-			for (i = 0; i < 3; i++) {
-				if ((_thread_fd_table_init(i) != 0) &&
-				    (errno != EBADF))
-					PANIC("Cannot initialize stdio file "
-					    "descriptor table entry");
-			}
-		}
-	}
-
-#ifdef GCC_2_8_MADE_THREAD_AWARE
-	/* Create the thread-specific data for the exception linked list. */
-	if(pthread_key_create(&except_head_key, NULL) != 0)
-		PANIC("Failed to create thread specific execption head");
-
-	/* Setup the gcc exception handler per thread. */
-	__set_dynamic_handler_allocator( dynamic_allocator_handler_fn );
-#endif /* GCC_2_8_MADE_THREAD_AWARE */
-
-	/* Initialise the garbage collector mutex and condition variable. */
-	if (pthread_mutex_init(&_gc_mutex,NULL) != 0 ||
-	    pthread_cond_init(&_gc_cond,NULL) != 0)
-		PANIC("Failed to initialise garbage collector mutex or condvar");
-
-	gettimeofday(&kern_inc_prio_time, NULL);
-
-	return;
-}
-
-/*
- * Special start up code for NetBSD/Alpha 
- */
-#if	defined(__NetBSD__) && defined(__alpha__)
-int 
-main(int argc, char *argv[], char *env);
-
-int
-_thread_main(int argc, char *argv[], char *env)
-{
-	_thread_init();
-	return (main(argc, argv, env));
-}
-#endif
-#else
-/*
- * A stub for non-threaded programs.
- */
-void
-_thread_init(void)
-{
-}
-#endif