зеркало из https://github.com/mozilla/pjs.git
377 строки
11 KiB
C
377 строки
11 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is the Netscape Portable Runtime (NSPR).
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998-2000 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the
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* terms of the GNU General Public License Version 2 or later (the
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* "GPL"), in which case the provisions of the GPL are applicable
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* instead of those above. If you wish to allow use of your
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* version of this file only under the terms of the GPL and not to
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* allow others to use your version of this file under the MPL,
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* indicate your decision by deleting the provisions above and
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* replace them with the notice and other provisions required by
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* the GPL. If you do not delete the provisions above, a recipient
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* may use your version of this file under either the MPL or the
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* GPL.
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*/
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/*
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** File: foreign.c
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** Description: Testing various functions w/ foreign threads
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**
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** We create a thread and get it to call exactly one runtime function.
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** The thread is allowed to be created by some other environment that
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** NSPR, but it does not announce itself to the runtime prior to calling
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** in.
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**
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** The goal: try to survive.
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**
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*/
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#include "prcvar.h"
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#include "prenv.h"
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#include "prerror.h"
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#include "prinit.h"
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#include "prinrval.h"
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#include "prio.h"
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#include "prlock.h"
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#include "prlog.h"
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#include "prmem.h"
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#include "prthread.h"
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#include "prtypes.h"
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#include "prprf.h"
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#include "plgetopt.h"
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#include <stdio.h>
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#include <stdlib.h>
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static enum {
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thread_nspr, thread_pthread, thread_sproc, thread_win32
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} thread_provider;
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typedef void (*StartFn)(void*);
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typedef struct StartObject
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{
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StartFn start;
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void *arg;
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} StartObject;
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static PRFileDesc *output;
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static int _debug_on = 0;
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#define DEFAULT_THREAD_COUNT 10
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#define DPRINTF(arg) if (_debug_on) PR_fprintf arg
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#if defined(_PR_PTHREADS) && !defined(_PR_DCETHREADS)
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#include <pthread.h>
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#include "md/_pth.h"
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static void *pthread_start(void *arg)
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{
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StartFn start = ((StartObject*)arg)->start;
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void *data = ((StartObject*)arg)->arg;
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PR_Free(arg);
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start(data);
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return NULL;
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} /* pthread_start */
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#endif /* defined(_PR_PTHREADS) && !defined(_PR_DCETHREADS) */
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#if defined(IRIX) && !defined(_PR_PTHREADS)
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#include <sys/types.h>
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#include <sys/prctl.h>
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static void sproc_start(void *arg, PRSize size)
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{
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StartObject *so = (StartObject*)arg;
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StartFn start = so->start;
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void *data = so->arg;
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PR_Free(so);
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start(data);
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} /* sproc_start */
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#endif /* defined(IRIX) && !defined(_PR_PTHREADS) */
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#if defined(WIN32)
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#include <process.h> /* for _beginthreadex() */
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static PRUintn __stdcall windows_start(void *arg)
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{
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StartObject *so = (StartObject*)arg;
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StartFn start = so->start;
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void *data = so->arg;
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PR_Free(so);
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start(data);
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return 0;
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} /* windows_start */
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#endif /* defined(WIN32) */
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static PRStatus CreateThread(StartFn start, void *arg)
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{
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PRStatus rv;
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switch (thread_provider)
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{
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case thread_nspr:
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{
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PRThread *thread = PR_CreateThread(
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PR_USER_THREAD, start, arg,
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PR_PRIORITY_NORMAL, PR_GLOBAL_THREAD,
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PR_UNJOINABLE_THREAD, 0);
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rv = (NULL == thread) ? PR_FAILURE : PR_SUCCESS;
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}
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break;
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case thread_pthread:
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#if defined(_PR_PTHREADS) && !defined(_PR_DCETHREADS)
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{
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int rv;
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pthread_t id;
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pthread_attr_t tattr;
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StartObject *start_object;
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start_object = PR_NEW(StartObject);
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PR_ASSERT(NULL != start_object);
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start_object->start = start;
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start_object->arg = arg;
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rv = _PT_PTHREAD_ATTR_INIT(&tattr);
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PR_ASSERT(0 == rv);
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rv = pthread_attr_setdetachstate(&tattr, PTHREAD_CREATE_DETACHED);
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PR_ASSERT(0 == rv);
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#if !defined(LINUX)
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rv = pthread_attr_setstacksize(&tattr, 64 * 1024);
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PR_ASSERT(0 == rv);
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#endif
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rv = _PT_PTHREAD_CREATE(&id, tattr, pthread_start, start_object);
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(void)_PT_PTHREAD_ATTR_DESTROY(&tattr);
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return (0 == rv) ? PR_SUCCESS : PR_FAILURE;
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}
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#else
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PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
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rv = PR_FAILURE;
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break;
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#endif /* defined(_PR_PTHREADS) && !defined(_PR_DCETHREADS) */
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case thread_sproc:
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#if defined(IRIX) && !defined(_PR_PTHREADS)
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{
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PRInt32 pid;
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StartObject *start_object;
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start_object = PR_NEW(StartObject);
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PR_ASSERT(NULL != start_object);
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start_object->start = start;
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start_object->arg = arg;
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pid = sprocsp(
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sproc_start, PR_SALL, start_object, NULL, 64 * 1024);
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rv = (0 < pid) ? PR_SUCCESS : PR_FAILURE;
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}
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#else
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PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
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rv = PR_FAILURE;
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#endif /* defined(IRIX) && !defined(_PR_PTHREADS) */
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break;
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case thread_win32:
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#if defined(WIN32)
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{
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void *th;
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PRUintn id;
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StartObject *start_object;
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start_object = PR_NEW(StartObject);
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PR_ASSERT(NULL != start_object);
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start_object->start = start;
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start_object->arg = arg;
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th = (void*)_beginthreadex(
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NULL, /* LPSECURITY_ATTRIBUTES - pointer to thread security attributes */
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0U, /* DWORD - initial thread stack size, in bytes */
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windows_start, /* LPTHREAD_START_ROUTINE - pointer to thread function */
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start_object, /* LPVOID - argument for new thread */
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0U, /*DWORD dwCreationFlags - creation flags */
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&id /* LPDWORD - pointer to returned thread identifier */ );
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rv = (NULL == th) ? PR_FAILURE : PR_SUCCESS;
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}
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#else
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PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
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rv = PR_FAILURE;
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#endif
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break;
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default:
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PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
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rv = PR_FAILURE;
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}
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return rv;
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} /* CreateThread */
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static void PR_CALLBACK lazyEntry(void *arg)
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{
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PR_ASSERT(NULL == arg);
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} /* lazyEntry */
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static void OneShot(void *arg)
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{
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PRUintn pdkey;
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PRLock *lock;
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PRFileDesc *fd;
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PRDir *dir;
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PRFileDesc *pair[2];
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PRIntn test = (PRIntn)arg;
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for (test = 0; test < 12; ++test) {
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switch (test)
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{
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case 0:
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lock = PR_NewLock();
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DPRINTF((output,"Thread[0x%x] called PR_NewLock\n",
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PR_GetCurrentThread()));
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PR_DestroyLock(lock);
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break;
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case 1:
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(void)PR_SecondsToInterval(1);
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DPRINTF((output,"Thread[0x%x] called PR_SecondsToInterval\n",
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PR_GetCurrentThread()));
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break;
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case 2: (void)PR_CreateThread(
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PR_USER_THREAD, lazyEntry, NULL, PR_PRIORITY_NORMAL,
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PR_LOCAL_THREAD, PR_UNJOINABLE_THREAD, 0);
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DPRINTF((output,"Thread[0x%x] called PR_CreateThread\n",
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PR_GetCurrentThread()));
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break;
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case 3:
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fd = PR_Open("foreign.tmp", PR_CREATE_FILE | PR_RDWR, 0666);
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DPRINTF((output,"Thread[0x%x] called PR_Open\n",
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PR_GetCurrentThread()));
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PR_Close(fd);
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break;
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case 4:
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fd = PR_NewUDPSocket();
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DPRINTF((output,"Thread[0x%x] called PR_NewUDPSocket\n",
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PR_GetCurrentThread()));
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PR_Close(fd);
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break;
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case 5:
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fd = PR_NewTCPSocket();
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DPRINTF((output,"Thread[0x%x] called PR_NewTCPSocket\n",
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PR_GetCurrentThread()));
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PR_Close(fd);
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break;
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case 6:
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dir = PR_OpenDir("/tmp/");
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DPRINTF((output,"Thread[0x%x] called PR_OpenDir\n",
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PR_GetCurrentThread()));
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PR_CloseDir(dir);
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break;
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case 7:
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(void)PR_NewThreadPrivateIndex(&pdkey, NULL);
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DPRINTF((output,"Thread[0x%x] called PR_NewThreadPrivateIndex\n",
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PR_GetCurrentThread()));
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break;
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case 8:
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(void)PR_GetEnv("PATH");
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DPRINTF((output,"Thread[0x%x] called PR_GetEnv\n",
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PR_GetCurrentThread()));
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break;
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case 9:
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(void)PR_NewTCPSocketPair(pair);
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DPRINTF((output,"Thread[0x%x] called PR_NewTCPSocketPair\n",
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PR_GetCurrentThread()));
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PR_Close(pair[0]);
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PR_Close(pair[1]);
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break;
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case 10:
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PR_SetConcurrency(2);
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DPRINTF((output,"Thread[0x%x] called PR_SetConcurrency\n",
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PR_GetCurrentThread()));
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break;
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case 11:
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PR_SetThreadPriority(PR_GetCurrentThread(), PR_PRIORITY_HIGH);
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DPRINTF((output,"Thread[0x%x] called PR_SetThreadPriority\n",
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PR_GetCurrentThread()));
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break;
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default:
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break;
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} /* switch() */
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}
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} /* OneShot */
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PRIntn main(PRIntn argc, char **argv)
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{
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PRStatus rv;
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PRInt32 thread_cnt = DEFAULT_THREAD_COUNT;
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PLOptStatus os;
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PLOptState *opt = PL_CreateOptState(argc, argv, "dt:");
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#if defined(WIN32)
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thread_provider = thread_win32;
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#elif defined(_PR_PTHREADS)
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thread_provider = thread_pthread;
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#elif defined(IRIX)
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thread_provider = thread_sproc;
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#else
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thread_provider = thread_nspr;
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#endif
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while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
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{
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if (PL_OPT_BAD == os) continue;
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switch (opt->option)
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{
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case 'd': /* debug mode */
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_debug_on = 1;
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break;
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case 't': /* thread count */
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thread_cnt = atoi(opt->value);
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break;
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default:
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break;
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}
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}
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PL_DestroyOptState(opt);
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PR_SetConcurrency(2);
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output = PR_GetSpecialFD(PR_StandardOutput);
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while (thread_cnt-- > 0)
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{
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rv = CreateThread(OneShot, (void*)thread_cnt);
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PR_ASSERT(PR_SUCCESS == rv);
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PR_Sleep(PR_MillisecondsToInterval(5));
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}
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PR_Sleep(PR_SecondsToInterval(3));
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return (PR_SUCCESS == PR_Cleanup()) ? 0 : 1;
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} /* main */
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/* foreign.c */
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