gecko-dev/nsprpub/pr/tests/multiwait.c
wtc%netscape.com 6462b9a6d7 More mozilla/nsprpub updates, including:
- Patch for MkLinux and glibc 2.1.  Removed the MKLINUX macro.
  This patch is contributed by Tom Rini <trini@kernel.crashing.org>.
- Patch to make the emulated threads work on ARM/Linux.  Contributed
  by raff@netwinder.org.
1998-10-05 18:58:25 +00:00

705 lines
22 KiB
C

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#include "prio.h"
#include "prprf.h"
#include "prlog.h"
#include "prmem.h"
#include "pratom.h"
#include "prlock.h"
#include "prmwait.h"
#include "prclist.h"
#include "prerror.h"
#include "prinrval.h"
#include "prnetdb.h"
#include "prthread.h"
#include "plstr.h"
#include "plerror.h"
#include "plgetopt.h"
typedef struct Shared
{
const char *title;
PRLock *list_lock;
PRWaitGroup *group;
PRIntervalTime timeout;
} Shared;
typedef enum Verbosity {silent, quiet, chatty, noisy} Verbosity;
static PRFileDesc *debug = NULL;
static PRInt32 desc_allocated = 0;
static PRUint16 default_port = 12273;
static enum Verbosity verbosity = quiet;
static PRInt32 ops_required = 1000, ops_done = 0;
static PRThreadScope thread_scope = PR_LOCAL_THREAD;
static PRIntn client_threads = 20, worker_threads = 2, wait_objects = 50;
#if defined(DEBUG)
#define MW_ASSERT(_expr) \
((_expr)?((void)0):_MW_Assert(# _expr,__FILE__,__LINE__))
static void _MW_Assert(const char *s, const char *file, PRIntn ln)
{
if (NULL != debug) PL_FPrintError(debug, NULL);
PR_Assert(s, file, ln);
} /* _MW_Assert */
#else
#define MW_ASSERT(_expr)
#endif
static void PrintRecvDesc(PRRecvWait *desc, const char *msg)
{
const char *tag[] = {
"PR_MW_INTERRUPT", "PR_MW_TIMEOUT",
"PR_MW_FAILURE", "PR_MW_SUCCESS", "PR_MW_PENDING"};
PR_fprintf(
debug, "%s: PRRecvWait(@0x%x): {fd: 0x%x, outcome: %s, tmo: %u}\n",
msg, desc, desc->fd, tag[desc->outcome + 3], desc->timeout);
} /* PrintRecvDesc */
static Shared *MakeShared(const char *title)
{
Shared *shared = PR_NEWZAP(Shared);
shared->group = PR_CreateWaitGroup(1);
shared->timeout = PR_SecondsToInterval(1);
shared->list_lock = PR_NewLock();
shared->title = title;
return shared;
} /* MakeShared */
static void DestroyShared(Shared *shared)
{
PRStatus rv;
if (verbosity > quiet)
PR_fprintf(debug, "%s: destroying group\n", shared->title);
rv = PR_DestroyWaitGroup(shared->group);
MW_ASSERT(PR_SUCCESS == rv);
PR_DestroyLock(shared->list_lock);
PR_DELETE(shared);
} /* DestroyShared */
static PRRecvWait *CreateRecvWait(PRFileDesc *fd, PRIntervalTime timeout)
{
PRRecvWait *desc_out = PR_NEWZAP(PRRecvWait);
MW_ASSERT(NULL != desc_out);
MW_ASSERT(NULL != fd);
desc_out->fd = fd;
desc_out->timeout = timeout;
desc_out->buffer.length = 120;
desc_out->buffer.start = PR_CALLOC(120);
PR_AtomicIncrement(&desc_allocated);
if (verbosity > chatty)
PrintRecvDesc(desc_out, "Allocated");
return desc_out;
} /* CreateRecvWait */
static void DestroyRecvWait(PRRecvWait *desc_out)
{
if (verbosity > chatty)
PrintRecvDesc(desc_out, "Destroying");
PR_Close(desc_out->fd);
if (NULL != desc_out->buffer.start)
PR_DELETE(desc_out->buffer.start);
PR_Free(desc_out);
(void)PR_AtomicDecrement(&desc_allocated);
} /* DestroyRecvWait */
static void CancelGroup(Shared *shared)
{
PRRecvWait *desc_out;
if (verbosity > quiet)
PR_fprintf(debug, "%s Reclaiming wait descriptors\n", shared->title);
do
{
desc_out = PR_CancelWaitGroup(shared->group);
if (NULL != desc_out) DestroyRecvWait(desc_out);
} while (NULL != desc_out);
MW_ASSERT(0 == desc_allocated);
MW_ASSERT(PR_GROUP_EMPTY_ERROR == PR_GetError());
} /* CancelGroup */
static void PR_CALLBACK ClientThread(void* arg)
{
PRStatus rv;
PRInt32 bytes;
PRIntn empty_flags = 0;
PRNetAddr server_address;
unsigned char buffer[100];
Shared *shared = (Shared*)arg;
PRFileDesc *server = PR_NewTCPSocket();
if ((NULL == server)
&& (PR_PENDING_INTERRUPT_ERROR == PR_GetError())) return;
MW_ASSERT(NULL != server);
if (verbosity > chatty)
PR_fprintf(debug, "%s: Server socket @0x%x\n", shared->title, server);
/* Initialize the buffer so that Purify won't complain */
memset(buffer, 0, sizeof(buffer));
rv = PR_InitializeNetAddr(PR_IpAddrLoopback, default_port, &server_address);
MW_ASSERT(PR_SUCCESS == rv);
if (verbosity > quiet)
PR_fprintf(debug, "%s: Client opening connection\n", shared->title);
rv = PR_Connect(server, &server_address, PR_INTERVAL_NO_TIMEOUT);
if (PR_FAILURE == rv)
{
if (verbosity > silent) PL_FPrintError(debug, "Client connect failed");
return;
}
while (ops_done < ops_required)
{
bytes = PR_Send(
server, buffer, sizeof(buffer), empty_flags, PR_INTERVAL_NO_TIMEOUT);
if ((-1 == bytes) && (PR_PENDING_INTERRUPT_ERROR == PR_GetError())) break;
MW_ASSERT(sizeof(buffer) == bytes);
if (verbosity > chatty)
PR_fprintf(
debug, "%s: Client sent %d bytes\n",
shared->title, sizeof(buffer));
bytes = PR_Recv(
server, buffer, sizeof(buffer), empty_flags, PR_INTERVAL_NO_TIMEOUT);
if (verbosity > chatty)
PR_fprintf(
debug, "%s: Client received %d bytes\n",
shared->title, sizeof(buffer));
if ((-1 == bytes) && (PR_PENDING_INTERRUPT_ERROR == PR_GetError())) break;
MW_ASSERT(sizeof(buffer) == bytes);
PR_Sleep(shared->timeout);
}
rv = PR_Close(server);
MW_ASSERT(PR_SUCCESS == rv);
} /* ClientThread */
static void OneInThenCancelled(Shared *shared)
{
PRStatus rv;
PRRecvWait *desc_out, *desc_in = PR_NEWZAP(PRRecvWait);
shared->timeout = PR_INTERVAL_NO_TIMEOUT;
desc_in->fd = PR_NewTCPSocket();
desc_in->timeout = shared->timeout;
if (verbosity > chatty) PrintRecvDesc(desc_in, "Adding desc");
rv = PR_AddWaitFileDesc(shared->group, desc_in);
MW_ASSERT(PR_SUCCESS == rv);
if (verbosity > chatty) PrintRecvDesc(desc_in, "Cancelling");
rv = PR_CancelWaitFileDesc(shared->group, desc_in);
MW_ASSERT(PR_SUCCESS == rv);
desc_out = PR_WaitRecvReady(shared->group);
MW_ASSERT(desc_out == desc_in);
MW_ASSERT(PR_MW_INTERRUPT == desc_out->outcome);
MW_ASSERT(PR_PENDING_INTERRUPT_ERROR == PR_GetError());
if (verbosity > chatty) PrintRecvDesc(desc_out, "Ready");
rv = PR_Close(desc_in->fd);
MW_ASSERT(PR_SUCCESS == rv);
if (verbosity > quiet)
PR_fprintf(debug, "%s: destroying group\n", shared->title);
PR_DELETE(desc_in);
} /* OneInThenCancelled */
static void OneOpOneThread(Shared *shared)
{
PRStatus rv;
PRRecvWait *desc_out, *desc_in = PR_NEWZAP(PRRecvWait);
desc_in->fd = PR_NewTCPSocket();
desc_in->timeout = shared->timeout;
if (verbosity > chatty) PrintRecvDesc(desc_in, "Adding desc");
rv = PR_AddWaitFileDesc(shared->group, desc_in);
MW_ASSERT(PR_SUCCESS == rv);
desc_out = PR_WaitRecvReady(shared->group);
MW_ASSERT(desc_out == desc_in);
MW_ASSERT(PR_MW_TIMEOUT == desc_out->outcome);
MW_ASSERT(PR_IO_TIMEOUT_ERROR == PR_GetError());
if (verbosity > chatty) PrintRecvDesc(desc_out, "Ready");
rv = PR_Close(desc_in->fd);
MW_ASSERT(PR_SUCCESS == rv);
PR_DELETE(desc_in);
} /* OneOpOneThread */
static void ManyOpOneThread(Shared *shared)
{
PRStatus rv;
PRIntn index;
PRRecvWait *desc_in;
PRRecvWait *desc_out;
if (verbosity > quiet)
PR_fprintf(debug, "%s: adding %d descs\n", shared->title, wait_objects);
for (index = 0; index < wait_objects; ++index)
{
desc_in = CreateRecvWait(PR_NewTCPSocket(), shared->timeout);
rv = PR_AddWaitFileDesc(shared->group, desc_in);
MW_ASSERT(PR_SUCCESS == rv);
}
while (ops_done < ops_required)
{
desc_out = PR_WaitRecvReady(shared->group);
MW_ASSERT(PR_MW_TIMEOUT == desc_out->outcome);
MW_ASSERT(PR_IO_TIMEOUT_ERROR == PR_GetError());
if (verbosity > chatty) PrintRecvDesc(desc_out, "Ready/readding");
rv = PR_AddWaitFileDesc(shared->group, desc_out);
MW_ASSERT(PR_SUCCESS == rv);
(void)PR_AtomicIncrement(&ops_done);
}
CancelGroup(shared);
} /* ManyOpOneThread */
static void PR_CALLBACK SomeOpsThread(void *arg)
{
PRRecvWait *desc_out;
PRStatus rv = PR_SUCCESS;
Shared *shared = (Shared*)arg;
do /* until interrupted */
{
desc_out = PR_WaitRecvReady(shared->group);
if (NULL == desc_out)
{
MW_ASSERT(PR_PENDING_INTERRUPT_ERROR == PR_GetError());
if (verbosity > quiet) PR_fprintf(debug, "Aborted\n");
break;
}
MW_ASSERT(PR_MW_TIMEOUT == desc_out->outcome);
MW_ASSERT(PR_IO_TIMEOUT_ERROR == PR_GetError());
if (verbosity > chatty) PrintRecvDesc(desc_out, "Ready");
if (verbosity > chatty) PrintRecvDesc(desc_out, "Re-Adding");
desc_out->timeout = shared->timeout;
rv = PR_AddWaitFileDesc(shared->group, desc_out);
PR_AtomicIncrement(&ops_done);
if (ops_done > ops_required) break;
} while (PR_SUCCESS == rv);
MW_ASSERT(PR_SUCCESS == rv);
} /* SomeOpsThread */
static void SomeOpsSomeThreads(Shared *shared)
{
PRStatus rv;
PRThread **thread;
PRIntn index;
PRRecvWait *desc_in;
thread = (PRThread**)PR_CALLOC(sizeof(PRThread*) * worker_threads);
/* Create some threads */
if (verbosity > quiet)
PR_fprintf(debug, "%s: creating threads\n", shared->title);
for (index = 0; index < worker_threads; ++index)
{
thread[index] = PR_CreateThread(
PR_USER_THREAD, SomeOpsThread, shared,
PR_PRIORITY_HIGH, thread_scope,
PR_JOINABLE_THREAD, 16 * 1024);
}
/* then create some operations */
if (verbosity > quiet)
PR_fprintf(debug, "%s: creating desc\n", shared->title);
for (index = 0; index < wait_objects; ++index)
{
desc_in = CreateRecvWait(PR_NewTCPSocket(), shared->timeout);
rv = PR_AddWaitFileDesc(shared->group, desc_in);
MW_ASSERT(PR_SUCCESS == rv);
}
if (verbosity > quiet)
PR_fprintf(debug, "%s: sleeping\n", shared->title);
while (ops_done < ops_required) PR_Sleep(shared->timeout);
if (verbosity > quiet)
PR_fprintf(debug, "%s: interrupting/joining threads\n", shared->title);
for (index = 0; index < worker_threads; ++index)
{
rv = PR_Interrupt(thread[index]);
MW_ASSERT(PR_SUCCESS == rv);
rv = PR_JoinThread(thread[index]);
MW_ASSERT(PR_SUCCESS == rv);
}
PR_DELETE(thread);
CancelGroup(shared);
} /* SomeOpsSomeThreads */
static PRStatus ServiceRequest(Shared *shared, PRRecvWait *desc)
{
PRInt32 bytes_out;
if (verbosity > chatty)
PR_fprintf(
debug, "%s: Service received %d bytes\n",
shared->title, desc->bytesRecv);
if (0 == desc->bytesRecv) goto quitting;
if ((-1 == desc->bytesRecv)
&& (PR_PENDING_INTERRUPT_ERROR == PR_GetError())) goto aborted;
bytes_out = PR_Send(
desc->fd, desc->buffer.start, desc->bytesRecv, 0, shared->timeout);
if (verbosity > chatty)
PR_fprintf(
debug, "%s: Service sent %d bytes\n",
shared->title, bytes_out);
if ((-1 == bytes_out)
&& (PR_PENDING_INTERRUPT_ERROR == PR_GetError())) goto aborted;
MW_ASSERT(bytes_out == desc->bytesRecv);
return PR_SUCCESS;
aborted:
quitting:
return PR_FAILURE;
} /* ServiceRequest */
static void PR_CALLBACK ServiceThread(void *arg)
{
PRStatus rv = PR_SUCCESS;
PRRecvWait *desc_out = NULL;
Shared *shared = (Shared*)arg;
do /* until interrupted */
{
if (NULL != desc_out)
{
desc_out->timeout = PR_INTERVAL_NO_TIMEOUT;
if (verbosity > chatty)
PrintRecvDesc(desc_out, "Service re-adding");
rv = PR_AddWaitFileDesc(shared->group, desc_out);
MW_ASSERT(PR_SUCCESS == rv);
}
desc_out = PR_WaitRecvReady(shared->group);
if (NULL == desc_out)
{
MW_ASSERT(PR_PENDING_INTERRUPT_ERROR == PR_GetError());
break;
}
switch (desc_out->outcome)
{
case PR_MW_SUCCESS:
{
PR_AtomicIncrement(&ops_done);
if (verbosity > chatty)
PrintRecvDesc(desc_out, "Service ready");
rv = ServiceRequest(shared, desc_out);
break;
}
case PR_MW_INTERRUPT:
MW_ASSERT(PR_PENDING_INTERRUPT_ERROR == PR_GetError());
rv = PR_FAILURE; /* if interrupted, then exit */
break;
case PR_MW_TIMEOUT:
MW_ASSERT(PR_IO_TIMEOUT_ERROR == PR_GetError());
case PR_MW_FAILURE:
if (verbosity > silent)
PL_FPrintError(debug, "RecvReady failure");
break;
default:
break;
}
} while (PR_SUCCESS == rv);
if (NULL != desc_out) DestroyRecvWait(desc_out);
} /* ServiceThread */
static void PR_CALLBACK EnumerationThread(void *arg)
{
PRStatus rv;
PRIntn count;
PRRecvWait *desc;
Shared *shared = (Shared*)arg;
PRIntervalTime five_seconds = PR_SecondsToInterval(5);
PRMWaitEnumerator *enumerator = PR_CreateMWaitEnumerator(shared->group);
MW_ASSERT(NULL != enumerator);
while (PR_SUCCESS == PR_Sleep(five_seconds))
{
count = 0;
desc = NULL;
while (NULL != (desc = PR_EnumerateWaitGroup(enumerator, desc)))
{
if (verbosity > chatty) PrintRecvDesc(desc, shared->title);
count += 1;
}
if (verbosity > silent)
PR_fprintf(debug,
"%s Enumerated %d objects\n", shared->title, count);
}
MW_ASSERT(PR_PENDING_INTERRUPT_ERROR == PR_GetError());
rv = PR_DestroyMWaitEnumerator(enumerator);
MW_ASSERT(PR_SUCCESS == rv);
} /* EnumerationThread */
static void PR_CALLBACK ServerThread(void *arg)
{
PRStatus rv;
PRIntn index;
PRRecvWait *desc_in;
PRThread **worker_thread;
Shared *shared = (Shared*)arg;
PRFileDesc *listener, *service;
PRNetAddr server_address, client_address;
worker_thread = (PRThread**)PR_CALLOC(sizeof(PRThread*) * worker_threads);
if (verbosity > quiet)
PR_fprintf(debug, "%s: Server creating worker_threads\n", shared->title);
for (index = 0; index < worker_threads; ++index)
{
worker_thread[index] = PR_CreateThread(
PR_USER_THREAD, ServiceThread, shared,
PR_PRIORITY_HIGH, thread_scope,
PR_JOINABLE_THREAD, 16 * 1024);
}
rv = PR_InitializeNetAddr(PR_IpAddrAny, default_port, &server_address);
MW_ASSERT(PR_SUCCESS == rv);
listener = PR_NewTCPSocket(); MW_ASSERT(NULL != listener);
if (verbosity > chatty)
PR_fprintf(
debug, "%s: Server listener socket @0x%x\n",
shared->title, listener);
rv = PR_Bind(listener, &server_address); MW_ASSERT(PR_SUCCESS == rv);
rv = PR_Listen(listener, 10); MW_ASSERT(PR_SUCCESS == rv);
while (ops_done < ops_required)
{
if (verbosity > quiet)
PR_fprintf(debug, "%s: Server accepting connection\n", shared->title);
service = PR_Accept(listener, &client_address, PR_INTERVAL_NO_TIMEOUT);
if (NULL == service)
{
if (PR_PENDING_INTERRUPT_ERROR == PR_GetError()) break;
PL_PrintError("Accept failed");
MW_ASSERT(!"Accept failed");
}
else
{
desc_in = CreateRecvWait(service, shared->timeout);
desc_in->timeout = PR_INTERVAL_NO_TIMEOUT;
if (verbosity > chatty)
PrintRecvDesc(desc_in, "Service adding");
rv = PR_AddWaitFileDesc(shared->group, desc_in);
MW_ASSERT(PR_SUCCESS == rv);
}
}
if (verbosity > quiet)
PR_fprintf(debug, "%s: Server interrupting worker_threads\n", shared->title);
for (index = 0; index < worker_threads; ++index)
{
rv = PR_Interrupt(worker_thread[index]);
MW_ASSERT(PR_SUCCESS == rv);
rv = PR_JoinThread(worker_thread[index]);
MW_ASSERT(PR_SUCCESS == rv);
}
PR_DELETE(worker_thread);
PR_Close(listener);
CancelGroup(shared);
} /* ServerThread */
static void RealOneGroupIO(Shared *shared)
{
/*
** Create a server that listens for connections and then services
** requests that come in over those connections. The server never
** deletes a connection and assumes a basic RPC model of operation.
**
** Use worker_threads threads to service how every many open ports
** there might be.
**
** Oh, ya. Almost forget. Create (some) clients as well.
*/
PRStatus rv;
PRIntn index;
PRThread *server_thread, *enumeration_thread, **client_thread;
if (verbosity > quiet)
PR_fprintf(debug, "%s: creating server_thread\n", shared->title);
server_thread = PR_CreateThread(
PR_USER_THREAD, ServerThread, shared,
PR_PRIORITY_HIGH, thread_scope,
PR_JOINABLE_THREAD, 16 * 1024);
if (verbosity > quiet)
PR_fprintf(debug, "%s: creating enumeration_thread\n", shared->title);
enumeration_thread = PR_CreateThread(
PR_USER_THREAD, EnumerationThread, shared,
PR_PRIORITY_HIGH, thread_scope,
PR_JOINABLE_THREAD, 16 * 1024);
if (verbosity > quiet)
PR_fprintf(debug, "%s: snoozing before creating clients\n", shared->title);
PR_Sleep(5 * shared->timeout);
if (verbosity > quiet)
PR_fprintf(debug, "%s: creating client_threads\n", shared->title);
client_thread = (PRThread**)PR_CALLOC(sizeof(PRThread*) * client_threads);
for (index = 0; index < client_threads; ++index)
{
client_thread[index] = PR_CreateThread(
PR_USER_THREAD, ClientThread, shared,
PR_PRIORITY_NORMAL, thread_scope,
PR_JOINABLE_THREAD, 16 * 1024);
}
while (ops_done < ops_required) PR_Sleep(shared->timeout);
if (verbosity > quiet)
PR_fprintf(debug, "%s: interrupting/joining client_threads\n", shared->title);
for (index = 0; index < client_threads; ++index)
{
rv = PR_Interrupt(client_thread[index]);
MW_ASSERT(PR_SUCCESS == rv);
rv = PR_JoinThread(client_thread[index]);
MW_ASSERT(PR_SUCCESS == rv);
}
PR_DELETE(client_thread);
if (verbosity > quiet)
PR_fprintf(debug, "%s: interrupting/joining enumeration_thread\n", shared->title);
rv = PR_Interrupt(enumeration_thread);
MW_ASSERT(PR_SUCCESS == rv);
rv = PR_JoinThread(enumeration_thread);
MW_ASSERT(PR_SUCCESS == rv);
if (verbosity > quiet)
PR_fprintf(debug, "%s: interrupting/joining server_thread\n", shared->title);
rv = PR_Interrupt(server_thread);
MW_ASSERT(PR_SUCCESS == rv);
rv = PR_JoinThread(server_thread);
MW_ASSERT(PR_SUCCESS == rv);
} /* RealOneGroupIO */
static void RunThisOne(
void (*func)(Shared*), const char *name, const char *test_name)
{
Shared *shared;
if ((NULL == test_name) || (0 == PL_strcmp(name, test_name)))
{
if (verbosity > silent)
PR_fprintf(debug, "%s()\n", name);
shared = MakeShared(name);
ops_done = 0;
func(shared); /* run the test */
MW_ASSERT(0 == desc_allocated);
DestroyShared(shared);
}
} /* RunThisOne */
static Verbosity ChangeVerbosity(Verbosity verbosity, PRIntn delta)
{
PRIntn verbage = (PRIntn)verbosity;
return (Verbosity)(verbage += delta);
} /* ChangeVerbosity */
PRIntn main(PRIntn argc, char **argv)
{
PLOptStatus os;
const char *test_name = NULL;
PLOptState *opt = PL_CreateOptState(argc, argv, "dqGc:o:p:t:w:");
while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
{
if (PL_OPT_BAD == os) continue;
switch (opt->option)
{
case 0:
test_name = opt->value;
break;
case 'd': /* debug mode */
if (verbosity < noisy)
verbosity = ChangeVerbosity(verbosity, 1);
break;
case 'q': /* debug mode */
if (verbosity > silent)
verbosity = ChangeVerbosity(verbosity, -1);
break;
case 'G': /* use global threads */
thread_scope = PR_GLOBAL_THREAD;
break;
case 'c': /* number of client threads */
client_threads = atoi(opt->value);
break;
case 'o': /* operations to compelete */
ops_required = atoi(opt->value);
break;
case 'p': /* default port */
default_port = atoi(opt->value);
break;
case 't': /* number of threads waiting */
worker_threads = atoi(opt->value);
break;
case 'w': /* number of wait objects */
wait_objects = atoi(opt->value);
break;
default:
break;
}
}
PL_DestroyOptState(opt);
if (verbosity > 0)
debug = PR_GetSpecialFD(PR_StandardError);
RunThisOne(OneInThenCancelled, "OneInThenCancelled", test_name);
RunThisOne(OneOpOneThread, "OneOpOneThread", test_name);
RunThisOne(ManyOpOneThread, "ManyOpOneThread", test_name);
RunThisOne(SomeOpsSomeThreads, "SomeOpsSomeThreads", test_name);
RunThisOne(RealOneGroupIO, "RealOneGroupIO", test_name);
return 0;
} /* main */
/* multwait.c */