Bug 430884: removed the obsolete implementation based on Solaris threads.

Contributed by Julien Pierre <julien.pierre.boogz@sun.com>.  r=wtc.
Modified Files:
	configure configure.in lib/msgc/tests/Makefile.in
	lib/prstreams/tests/testprstrm/Makefile.in
	lib/tests/Makefile.in pr/include/md/_solaris.h
	pr/src/Makefile.in pr/src/cplus/tests/Makefile.in
	pr/src/md/unix/solaris.c pr/tests/Makefile.in
	pr/tests/foreign.c pr/tests/provider.c tools/Makefile.in
Removed Files:
	pr/src/md/unix/os_SunOS.s

2 files changed, 0 insertions, 767 deletions

diff --git a/pr/src/md/unix/os_SunOS.s b/pr/src/md/unix/os_SunOS.s
deleted file mode 100644
index 15aac599..00000000
--- a/pr/src/md/unix/os_SunOS.s
+++ /dev/null
@@ -1,71 +0,0 @@
-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 1.1/GPL 2.0/LGPL 2.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is the Netscape Portable Runtime (NSPR).
- *
- * The Initial Developer of the Original Code is
- * Netscape Communications Corporation.
- * Portions created by the Initial Developer are Copyright (C) 1998-2000
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- *
- * Alternatively, the contents of this file may be used under the terms of
- * either the GNU General Public License Version 2 or later (the "GPL"), or
- * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
- * in which case the provisions of the GPL or the LGPL are applicable instead
- * of those above. If you wish to allow use of your version of this file only
- * under the terms of either the GPL or the LGPL, and not to allow others to
- * use your version of this file under the terms of the MPL, indicate your
- * decision by deleting the provisions above and replace them with the notice
- * and other provisions required by the GPL or the LGPL. If you do not delete
- * the provisions above, a recipient may use your version of this file under
- * the terms of any one of the MPL, the GPL or the LGPL.
- *
- * ***** END LICENSE BLOCK ***** */
-
-	.text
-
-/*
- * sol_getsp()
- *
- * Return the current sp (for debugging)
- */
-	.global sol_getsp
-sol_getsp:
-	retl
-   	mov     %sp, %o0
-
-
-/*
- * sol_curthread()
- *
- * Return a unique identifier for the currently active thread.
- */
-	.global sol_curthread
-sol_curthread:
-    retl
-    mov %g7, %o0
-                  
-
-	.global __MD_FlushRegisterWindows
-	.global _MD_FlushRegisterWindows
-
-__MD_FlushRegisterWindows:
-_MD_FlushRegisterWindows:
-
-	ta	3
-	ret
-	restore
-
diff --git a/pr/src/md/unix/solaris.c b/pr/src/md/unix/solaris.c
index 2ec3bd1e..6acffedb 100644
--- a/pr/src/md/unix/solaris.c
+++ b/pr/src/md/unix/solaris.c
@@ -86,700 +86,6 @@ PRWord *_MD_HomeGCRegisters(PRThread *t, PRIntn isCurrent, PRIntn *np)
 }
 #endif /* _PR_PTHREADS */
 
-#if !defined(i386) && !defined(IS_64)
-#if defined(_PR_HAVE_ATOMIC_OPS)
-/* NOTE:
- * SPARC v9 (Ultras) do have an atomic test-and-set operation.  But
- * SPARC v8 doesn't.  We should detect in the init if we are running on
- * v8 or v9, and then use assembly where we can.
- *
- * This code uses the Solaris threads API.  It can be used in both the
- * pthreads and Solaris threads versions of nspr20 because "POSIX threads
- * and Solaris threads are fully compatible even within the same process",
- * to quote from pthread_create(3T).
- */
-
-#include <thread.h>
-#include <synch.h>
-
-static mutex_t _solaris_atomic = DEFAULTMUTEX;
-
-PRInt32
-_MD_AtomicIncrement(PRInt32 *val)
-{
-    PRInt32 rv;
-    if (mutex_lock(&_solaris_atomic) != 0)
-        PR_ASSERT(0);
-
-    rv = ++(*val);
-
-    if (mutex_unlock(&_solaris_atomic) != 0)\
-        PR_ASSERT(0);
-
-	return rv;
-}
-
-PRInt32
-_MD_AtomicAdd(PRInt32 *ptr, PRInt32 val)
-{
-    PRInt32 rv;
-    if (mutex_lock(&_solaris_atomic) != 0)
-        PR_ASSERT(0);
-
-    rv = ((*ptr) += val);
-
-    if (mutex_unlock(&_solaris_atomic) != 0)\
-        PR_ASSERT(0);
-
-	return rv;
-}
-
-PRInt32
-_MD_AtomicDecrement(PRInt32 *val)
-{
-    PRInt32 rv;
-    if (mutex_lock(&_solaris_atomic) != 0)
-        PR_ASSERT(0);
-
-    rv = --(*val);
-
-    if (mutex_unlock(&_solaris_atomic) != 0)\
-        PR_ASSERT(0);
-
-	return rv;
-}
-
-PRInt32
-_MD_AtomicSet(PRInt32 *val, PRInt32 newval)
-{
-    PRInt32 rv;
-    if (mutex_lock(&_solaris_atomic) != 0)
-        PR_ASSERT(0);
-
-    rv = *val;
-    *val = newval;
-
-    if (mutex_unlock(&_solaris_atomic) != 0)\
-        PR_ASSERT(0);
-
-	return rv;
-}
-#endif  /* _PR_HAVE_ATOMIC_OPS */
-#endif  /* !defined(i386) */
-
-#if defined(_PR_GLOBAL_THREADS_ONLY)
-#include <signal.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <thread.h>
-
-#include <sys/lwp.h>
-#include <sys/procfs.h>
-#include <sys/syscall.h>
-extern int syscall();  /* not declared in sys/syscall.h */
-
-static sigset_t old_mask;	/* store away original gc thread sigmask */
-static PRIntn gcprio;		/* store away original gc thread priority */
-
-THREAD_KEY_T threadid_key;
-THREAD_KEY_T cpuid_key;
-THREAD_KEY_T last_thread_key;
-static sigset_t set, oldset;
-
-static void
-threadid_key_destructor(void *value)
-{
-    PRThread *me = (PRThread *)value;
-    PR_ASSERT(me != NULL);
-    /* the thread could be PRIMORDIAL (thus not ATTACHED) */
-    if (me->flags & _PR_ATTACHED) {
-        /*
-         * The Solaris thread library sets the thread specific
-         * data (the current thread) to NULL before invoking
-         * the destructor.  We need to restore it to prevent the
-         * _PR_MD_CURRENT_THREAD() call in _PRI_DetachThread()
-         * from attaching the thread again.
-         */
-        _PR_MD_SET_CURRENT_THREAD(me);
-        _PRI_DetachThread();
-    }
-}
-
-void _MD_EarlyInit(void)
-{
-    THR_KEYCREATE(&threadid_key, threadid_key_destructor);
-    THR_KEYCREATE(&cpuid_key, NULL);
-    THR_KEYCREATE(&last_thread_key, NULL);
-    sigemptyset(&set);
-    sigaddset(&set, SIGALRM);
-}
-
-PRStatus _MD_CreateThread(PRThread *thread, 
-					void (*start)(void *), 
-					PRThreadPriority priority,
-					PRThreadScope scope, 
-					PRThreadState state, 
-					PRUint32 stackSize) 
-{
-	PRInt32 flags;
-	
-    /* mask out SIGALRM for native thread creation */
-    thr_sigsetmask(SIG_BLOCK, &set, &oldset); 
-
-    /*
-     * Note that we create joinable threads with the THR_DETACHED
-     * flag.  The reasons why we don't use thr_join to implement
-     * PR_JoinThread are:
-     * - We use a termination condition variable in the PRThread
-     *   structure to implement PR_JoinThread across all classic
-     *   nspr implementation strategies.
-     * - The native threads may be recycled by NSPR to run other
-     *   new NSPR threads, so the native threads may not terminate
-     *   when the corresponding NSPR threads terminate.  
-     */
-    flags = THR_SUSPENDED|THR_DETACHED;
-    if (_PR_IS_GCABLE_THREAD(thread) || (thread->flags & _PR_BOUND_THREAD) ||
-    							(scope == PR_GLOBAL_BOUND_THREAD))
-		flags |= THR_BOUND;
-
-    if (thr_create(NULL, thread->stack->stackSize,
-                  (void *(*)(void *)) start, (void *) thread, 
-				  flags,
-                  &thread->md.handle)) {
-        thr_sigsetmask(SIG_SETMASK, &oldset, NULL); 
-        return PR_FAILURE;
-    }
-
-    /* When the thread starts running, then the lwpid is set to the right
-     * value. Until then we want to mark this as 'uninit' so that
-     * its register state is initialized properly for GC */
-
-    thread->md.lwpid = -1;
-    thr_sigsetmask(SIG_SETMASK, &oldset, NULL); 
-    _MD_NEW_SEM(&thread->md.waiter_sem, 0);
-
-    if ((scope == PR_GLOBAL_THREAD) || (scope == PR_GLOBAL_BOUND_THREAD)) {
-		thread->flags |= _PR_GLOBAL_SCOPE;
-    }
-
-    _MD_SET_PRIORITY(&(thread->md), priority);
-
-    /* Activate the thread */
-    if (thr_continue( thread->md.handle ) ) {
-	return PR_FAILURE;
-    }
-    return PR_SUCCESS;
-}
-
-void _MD_cleanup_thread(PRThread *thread)
-{
-    thread_t hdl;
-
-    hdl = thread->md.handle;
-
-    /* 
-    ** First, suspend the thread (unless it's the active one)
-    ** Because we suspend it first, we don't have to use LOCK_SCHEDULER to
-    ** prevent both of us modifying the thread structure at the same time.
-    */
-    if ( thread != _PR_MD_CURRENT_THREAD() ) {
-        thr_suspend(hdl);
-    }
-    PR_LOG(_pr_thread_lm, PR_LOG_MIN,
-            ("(0X%x)[DestroyThread]\n", thread));
-
-    _MD_DESTROY_SEM(&thread->md.waiter_sem);
-}
-
-void _MD_exit_thread(PRThread *thread)
-{
-    _MD_CLEAN_THREAD(thread);
-    _MD_SET_CURRENT_THREAD(NULL);
-}
-
-void _MD_SET_PRIORITY(_MDThread *md_thread,
-        PRThreadPriority newPri)
-{
-	PRIntn nativePri;
-
-	if (newPri < PR_PRIORITY_FIRST) {
-		newPri = PR_PRIORITY_FIRST;
-	} else if (newPri > PR_PRIORITY_LAST) {
-		newPri = PR_PRIORITY_LAST;
-	}
-	/* Solaris priorities are from 0 to 127 */
-	nativePri = newPri * 127 / PR_PRIORITY_LAST;
-	if(thr_setprio((thread_t)md_thread->handle, nativePri)) {
-		PR_LOG(_pr_thread_lm, PR_LOG_MIN,
-		   ("_PR_SetThreadPriority: can't set thread priority\n"));
-	}
-}
-
-void _MD_WAIT_CV(
-    struct _MDCVar *md_cv, struct _MDLock *md_lock, PRIntervalTime timeout)
-{
-    struct timespec tt;
-    PRUint32 msec;
-    PRThread *me = _PR_MD_CURRENT_THREAD();
-
-	PR_ASSERT((!suspendAllOn) || (suspendAllThread != me));
-
-    if (PR_INTERVAL_NO_TIMEOUT == timeout) {
-        COND_WAIT(&md_cv->cv, &md_lock->lock);
-    } else {
-        msec = PR_IntervalToMilliseconds(timeout);
-
-        GETTIME(&tt);
-        tt.tv_sec += msec / PR_MSEC_PER_SEC;
-        tt.tv_nsec += (msec % PR_MSEC_PER_SEC) * PR_NSEC_PER_MSEC;
-        /* Check for nsec overflow - otherwise we'll get an EINVAL */
-        if (tt.tv_nsec >= PR_NSEC_PER_SEC) {
-            tt.tv_sec++;
-            tt.tv_nsec -= PR_NSEC_PER_SEC;
-        }
-        COND_TIMEDWAIT(&md_cv->cv, &md_lock->lock, &tt);
-    }
-}
-
-void _MD_lock(struct _MDLock *md_lock)
-{
-#ifdef DEBUG
-    /* This code was used for GC testing to make sure that we didn't attempt
-     * to grab any locks while threads are suspended.
-     */
-    PRLock *lock;
-    
-    if ((suspendAllOn) && (suspendAllThread == _PR_MD_CURRENT_THREAD())) {
-        lock = ((PRLock *) ((char*) (md_lock) - offsetof(PRLock,ilock)));
-	PR_ASSERT(lock->owner == NULL);
-        return;
-    }
-#endif /* DEBUG */
-
-    mutex_lock(&md_lock->lock);
-}
-
-PRThread *_pr_attached_thread_tls()
-{
-    PRThread *ret;
-
-    thr_getspecific(threadid_key, (void **)&ret);
-    return ret;
-}
-
-PRThread *_pr_current_thread_tls()
-{
-    PRThread *thread;
-
-    thread = _MD_GET_ATTACHED_THREAD();
-
-    if (NULL == thread) {
-        thread = _PRI_AttachThread(
-            PR_USER_THREAD, PR_PRIORITY_NORMAL, NULL, 0);
-    }
-    PR_ASSERT(thread != NULL);
-
-    return thread;
-}
-
-PRStatus
-_MD_wait(PRThread *thread, PRIntervalTime ticks)
-{
-        _MD_WAIT_SEM(&thread->md.waiter_sem);
-        return PR_SUCCESS;
-}
-
-PRStatus
-_MD_WakeupWaiter(PRThread *thread)
-{
-	if (thread == NULL) {
-		return PR_SUCCESS;
-	}
-	_MD_POST_SEM(&thread->md.waiter_sem);
-	return PR_SUCCESS;
-}
-
-_PRCPU *_pr_current_cpu_tls()
-{
-    _PRCPU *ret;
-
-    thr_getspecific(cpuid_key, (void **)&ret);
-    return ret;
-}
-
-PRThread *_pr_last_thread_tls()
-{
-    PRThread *ret;
-
-    thr_getspecific(last_thread_key, (void **)&ret);
-    return ret;
-}
-
-_MDLock _pr_ioq_lock;
-
-void
-_MD_InitIO(void)
-{
-    _MD_NEW_LOCK(&_pr_ioq_lock);
-}
-
-PRStatus _MD_InitializeThread(PRThread *thread)
-{
-    if (!_PR_IS_NATIVE_THREAD(thread))
-        return PR_SUCCESS;
-    /* sol_curthread is an asm routine which grabs GR7; GR7 stores an internal
-     * thread structure ptr used by solaris.  We'll use this ptr later
-     * with suspend/resume to find which threads are running on LWPs.
-     */
-    thread->md.threadID = sol_curthread();
-		/* prime the sp; substract 4 so we don't hit the assert that
-		 * curr sp > base_stack
-		 */
-    thread->md.sp = (uint_t) thread->stack->allocBase - sizeof(long);
-    thread->md.lwpid = _lwp_self();
-    thread->md.handle = THR_SELF();
-
-	/* all threads on Solaris are global threads from NSPR's perspective
-	 * since all of them are mapped to Solaris threads.
-	 */
-    thread->flags |= _PR_GLOBAL_SCOPE;
- 
- 	/* For primordial/attached thread, we don't create an underlying native thread.
- 	 * So, _MD_CREATE_THREAD() does not get called.  We need to do initialization
- 	 * like allocating thread's synchronization variables and set the underlying
- 	 * native thread's priority.
- 	 */
-	if (thread->flags & (_PR_PRIMORDIAL | _PR_ATTACHED)) {
-	    _MD_NEW_SEM(&thread->md.waiter_sem, 0);
-	    _MD_SET_PRIORITY(&(thread->md), thread->priority);
-	}
-	return PR_SUCCESS;
-}
-
-/* Sleep for n milliseconds, n < 1000   */
-void solaris_msec_sleep(int n)
-{
-    struct timespec ts;
-
-    ts.tv_sec = 0;
-    ts.tv_nsec = 1000000*n;
-    if (syscall(SYS_nanosleep, &ts, 0, 0) < 0) {
-        PR_ASSERT(0);
-    }
-}      
-
-#define VALID_SP(sp, bottom, top)   \
-	(((uint_t)(sp)) > ((uint_t)(bottom)) && ((uint_t)(sp)) < ((uint_t)(top)))
-
-void solaris_record_regs(PRThread *t, prstatus_t *lwpstatus)
-{
-#ifdef sparc
-	long *regs = (long *)&t->md.context.uc_mcontext.gregs[0];
-
-	PR_ASSERT(_PR_IS_GCABLE_THREAD(t));
-	PR_ASSERT(t->md.threadID == lwpstatus->pr_reg[REG_G7]);
-
-	t->md.sp = lwpstatus->pr_reg[REG_SP];
-	PR_ASSERT(VALID_SP(t->md.sp, t->stack->stackBottom, t->stack->stackTop));
-
-	regs[0] = lwpstatus->pr_reg[R_G1];
-	regs[1] = lwpstatus->pr_reg[R_G2];
-	regs[2] = lwpstatus->pr_reg[R_G3];
-	regs[3] = lwpstatus->pr_reg[R_G4];
-	regs[4] = lwpstatus->pr_reg[R_O0];
-	regs[5] = lwpstatus->pr_reg[R_O1];
-	regs[6] = lwpstatus->pr_reg[R_O2];
-	regs[7] = lwpstatus->pr_reg[R_O3];
-	regs[8] = lwpstatus->pr_reg[R_O4];
-	regs[9] = lwpstatus->pr_reg[R_O5];
-	regs[10] = lwpstatus->pr_reg[R_O6];
-	regs[11] = lwpstatus->pr_reg[R_O7];
-#elif defined(i386)
-	/*
-	 * To be implemented and tested
-	 */
-	PR_ASSERT(0);
-	PR_ASSERT(t->md.threadID == lwpstatus->pr_reg[GS]);
-	t->md.sp = lwpstatus->pr_reg[UESP];
-#endif
-}   
-
-void solaris_preempt_off()
-{
-    sigset_t set;
- 
-    (void)sigfillset(&set);
-    syscall(SYS_sigprocmask, SIG_SETMASK, &set, &old_mask);
-}
-
-void solaris_preempt_on()
-{
-    syscall(SYS_sigprocmask, SIG_SETMASK, &old_mask, NULL);      
-}
-
-int solaris_open_main_proc_fd()
-{
-    char buf[30];
-    int fd;
-
-    /* Not locked, so must be created while threads coming up */
-    PR_snprintf(buf, sizeof(buf), "/proc/%ld", getpid());
-    if ( (fd = syscall(SYS_open, buf, O_RDONLY)) < 0) {
-        return -1;
-    }
-    return fd;
-}
-
-/* Return a file descriptor for the /proc entry corresponding to the
- * given lwp. 
- */
-int solaris_open_lwp(lwpid_t id, int lwp_main_proc_fd)
-{
-    int result;
-
-    if ( (result = syscall(SYS_ioctl, lwp_main_proc_fd, PIOCOPENLWP, &id)) <0)
-        return -1; /* exited??? */
-
-    return result;
-}
-void _MD_Begin_SuspendAll()
-{
-    solaris_preempt_off();
-
-    PR_LOG(_pr_gc_lm, PR_LOG_ALWAYS, ("Begin_SuspendAll\n"));
-    /* run at highest prio so I cannot be preempted */
-    thr_getprio(thr_self(), &gcprio);
-    thr_setprio(thr_self(), 0x7fffffff); 
-    suspendAllOn = PR_TRUE;
-    suspendAllThread = _PR_MD_CURRENT_THREAD();
-}
-
-void _MD_End_SuspendAll()
-{
-}
-
-void _MD_End_ResumeAll()
-{
-    PR_LOG(_pr_gc_lm, PR_LOG_ALWAYS, ("End_ResumeAll\n"));
-    thr_setprio(thr_self(), gcprio);
-    solaris_preempt_on();
-    suspendAllThread = NULL;
-    suspendAllOn = PR_FALSE;
-}
-
-void _MD_Suspend(PRThread *thr)
-{
-   int lwp_fd, result;
-   prstatus_t lwpstatus;
-   int lwp_main_proc_fd = 0;
-  
-   if (!_PR_IS_GCABLE_THREAD(thr) || !suspendAllOn){
-     /*XXX When the suspendAllOn is set, we will be trying to do lwp_suspend
-      * during that time we can't call any thread lib or libc calls. Hence
-      * make sure that no suspension is requested for Non gcable thread
-      * during suspendAllOn */
-      PR_ASSERT(!suspendAllOn);
-      thr_suspend(thr->md.handle);
-      return;
-   }
-
-    /* XXX Primordial thread can't be bound to an lwp, hence there is no
-     * way we can assume that we can get the lwp status for primordial
-     * thread reliably. Hence we skip this for primordial thread, hoping
-     * that the SP is saved during lock and cond. wait. 
-     * XXX - Again this is concern only for java interpreter, not for the
-     * server, 'cause primordial thread in the server does not do java work
-     */
-    if (thr->flags & _PR_PRIMORDIAL)
-      return;
-    
-    /* XXX Important Note: If the start function of a thread is not called,
-     * lwpid is -1. Then, skip this thread. This thread will get caught
-     * in PR_NativeRunThread before calling the start function, because
-     * we hold the pr_activeLock during suspend/resume */
-
-    /* if the thread is not started yet then don't do anything */
-    if (!suspendAllOn || thr->md.lwpid == -1)
-      return;
-
-    if (_lwp_suspend(thr->md.lwpid) < 0) { 
-       PR_ASSERT(0);
-       return;
-    }
-
-    if ( (lwp_main_proc_fd = solaris_open_main_proc_fd()) < 0) {
-        PR_ASSERT(0);
-        return;   /* XXXMB ARGH, we're hosed! */
-    }
-
-   if ( (lwp_fd = solaris_open_lwp(thr->md.lwpid, lwp_main_proc_fd)) < 0) {
-           PR_ASSERT(0);
-           close(lwp_main_proc_fd);
-	   return;
-   }
-   if ( (result = syscall(SYS_ioctl, lwp_fd, PIOCSTATUS, &lwpstatus)) < 0) {
-            /* Hopefully the thread just died... */
-           close(lwp_fd);
-           close(lwp_main_proc_fd);
-	   return;
-   }
-            while ( !(lwpstatus.pr_flags & PR_STOPPED) ) {
-                if ( (result = syscall(SYS_ioctl, lwp_fd, PIOCSTATUS, &lwpstatus)) < 0) {
-                    PR_ASSERT(0);  /* ARGH SOMETHING WRONG! */
-                    break;
-                }
-                solaris_msec_sleep(1);
-            }
-            solaris_record_regs(thr, &lwpstatus);
-            close(lwp_fd);
-   close(lwp_main_proc_fd);
-}
-
-#ifdef OLD_CODE
-
-void _MD_SuspendAll()
-{
-    /* On solaris there are threads, and there are LWPs. 
-     * Calling _PR_DoSingleThread would freeze all of the threads bound to LWPs
-     * but not necessarily stop all LWPs (for example if someone did
-     * an attachthread of a thread which was not bound to an LWP).
-     * So now go through all the LWPs for this process and freeze them.
-     *
-     * Note that if any thread which is capable of having the GC run on it must
-     * had better be a LWP with a single bound thread on it.  Otherwise, this 
-     * might not stop that thread from being run.
-     */
-    PRThread *current = _PR_MD_CURRENT_THREAD();
-    prstatus_t status, lwpstatus;
-    int result, index, lwp_fd;
-    lwpid_t me = _lwp_self();
-    int err;
-    int lwp_main_proc_fd;
-
-    solaris_preempt_off();
-
-    /* run at highest prio so I cannot be preempted */
-    thr_getprio(thr_self(), &gcprio);
-    thr_setprio(thr_self(), 0x7fffffff); 
-
-    current->md.sp = (uint_t)&me;	/* set my own stack pointer */
-
-    if ( (lwp_main_proc_fd = solaris_open_main_proc_fd()) < 0) {
-        PR_ASSERT(0);
-        solaris_preempt_on();
-        return;   /* XXXMB ARGH, we're hosed! */
-    }
-
-    if ( (result = syscall(SYS_ioctl, lwp_main_proc_fd, PIOCSTATUS, &status)) < 0) {
-        err = errno;
-        PR_ASSERT(0);
-        goto failure;   /* XXXMB ARGH, we're hosed! */
-    }
-
-    num_lwps = status.pr_nlwp;
-
-    if ( (all_lwps = (lwpid_t *)PR_MALLOC((num_lwps+1) * sizeof(lwpid_t)))==NULL) {
-        PR_ASSERT(0);
-        goto failure;   /* XXXMB ARGH, we're hosed! */
-    }
-           
-    if ( (result = syscall(SYS_ioctl, lwp_main_proc_fd, PIOCLWPIDS, all_lwps)) < 0) {
-        PR_ASSERT(0);
-        PR_DELETE(all_lwps);
-        goto failure;   /* XXXMB ARGH, we're hosed! */
-    }
-
-    for (index=0; index< num_lwps; index++) {
-        if (all_lwps[index] != me)  {
-            if (_lwp_suspend(all_lwps[index]) < 0) { 
-                /* could happen if lwp exited */
-                all_lwps[index] = me;	/* dummy it up */
-            }
-        }
-    }
-
-    /* Turns out that lwp_suspend is not a blocking call.
-     * Go through the list and make sure they are all stopped.
-     */
-    for (index=0; index< num_lwps; index++) {
-        if (all_lwps[index] != me)  {
-            if ( (lwp_fd = solaris_open_lwp(all_lwps[index], lwp_main_proc_fd)) < 0) {
-                PR_ASSERT(0);
-                PR_DELETE(all_lwps);
-                all_lwps = NULL;
-                goto failure;   /* XXXMB ARGH, we're hosed! */
-            }
-
-            if ( (result = syscall(SYS_ioctl, lwp_fd, PIOCSTATUS, &lwpstatus)) < 0) {
-                /* Hopefully the thread just died... */
-                close(lwp_fd);
-                continue;
-            }
-            while ( !(lwpstatus.pr_flags & PR_STOPPED) ) {
-                if ( (result = syscall(SYS_ioctl, lwp_fd, PIOCSTATUS, &lwpstatus)) < 0) {
-                    PR_ASSERT(0);  /* ARGH SOMETHING WRONG! */
-                    break;
-                }
-                solaris_msec_sleep(1);
-            }
-            solaris_record_regs(&lwpstatus);
-            close(lwp_fd);
-        }
-    }
-
-    close(lwp_main_proc_fd);
-
-    return;
-failure:
-    solaris_preempt_on();
-    thr_setprio(thr_self(), gcprio);
-    close(lwp_main_proc_fd);
-    return;
-}
-
-void _MD_ResumeAll()
-{
-    int i;
-    lwpid_t me = _lwp_self();
- 
-    for (i=0; i < num_lwps; i++) {
-        if (all_lwps[i] == me)
-            continue;
-        if ( _lwp_continue(all_lwps[i]) < 0) {
-            PR_ASSERT(0);  /* ARGH, we are hosed! */
-        }
-    }
-
-    /* restore priority and sigmask */
-    thr_setprio(thr_self(), gcprio);
-    solaris_preempt_on();
-    PR_DELETE(all_lwps);
-    all_lwps = NULL;
-}
-#endif /* OLD_CODE */
-
-#ifdef USE_SETJMP
-PRWord *_MD_HomeGCRegisters(PRThread *t, int isCurrent, int *np)
-{
-    if (isCurrent) {
-		(void) setjmp(CONTEXT(t));
-    }
-    *np = sizeof(CONTEXT(t)) / sizeof(PRWord);
-    return (PRWord *) CONTEXT(t);
-}
-#else
-PRWord *_MD_HomeGCRegisters(PRThread *t, PRIntn isCurrent, PRIntn *np)
-{
-    if (isCurrent) {
-		(void) getcontext(CONTEXT(t));
-    }
-    *np = NGREG;
-    return (PRWord*) &t->md.context.uc_mcontext.gregs[0];
-}
-#endif  /* USE_SETJMP */
-
-#else /* _PR_GLOBAL_THREADS_ONLY */
-
 #if defined(_PR_LOCAL_THREADS_ONLY)
 
 void _MD_EarlyInit(void)
@@ -860,8 +166,6 @@ PRWord *_MD_HomeGCRegisters(PRThread *t, PRIntn isCurrent, PRIntn *np)
 
 #endif  /* _PR_LOCAL_THREADS_ONLY */
 
-#endif /* _PR_GLOBAL_THREADS_ONLY */
-
 #ifndef _PR_PTHREADS
 #if defined(i386) && defined(SOLARIS2_4)
 /*