void
DOMStorageDBThread::SetDefaultPriority()
{
if (--mPriorityCounter <= 0) {
PR_SetThreadPriority(mThread, PR_PRIORITY_LOW);
}
}
static void RudimentaryTests(void)
{
/*
** Try some rudimentary tests like setting valid priority and
** getting it back, or setting invalid priorities and getting
** back a valid answer.
*/
PRThreadPriority priority;
PR_SetThreadPriority(PR_GetCurrentThread(), PR_PRIORITY_URGENT);
priority = PR_GetThreadPriority(PR_GetCurrentThread());
failed = ((PR_TRUE == failed) || (PR_PRIORITY_URGENT != priority))
? PR_TRUE : PR_FALSE;
if (debug_mode && (PR_PRIORITY_URGENT != priority))
{
PR_fprintf(debug_out, "PR_[S/G]etThreadPriority() failed\n");
}
PR_SetThreadPriority(
PR_GetCurrentThread(), (PRThreadPriority)(PR_PRIORITY_FIRST - 1));
priority = PR_GetThreadPriority(PR_GetCurrentThread());
failed = ((PR_TRUE == failed) || (PR_PRIORITY_FIRST != priority))
? PR_TRUE : PR_FALSE;
if (debug_mode && (PR_PRIORITY_FIRST != priority))
{
PR_fprintf(debug_out, "PR_SetThreadPriority(-1) failed\n");
}
PR_SetThreadPriority(
PR_GetCurrentThread(), (PRThreadPriority)(PR_PRIORITY_LAST + 1));
priority = PR_GetThreadPriority(PR_GetCurrentThread());
failed = ((PR_TRUE == failed) || (PR_PRIORITY_LAST != priority))
? PR_TRUE : PR_FALSE;
if (debug_mode && (PR_PRIORITY_LAST != priority))
{
PR_fprintf(debug_out, "PR_SetThreadPriority(+1) failed\n");
}
} /* RudimentataryTests */
void
DOMStorageDBThread::SetHigherPriority()
{
++mPriorityCounter;
PR_SetThreadPriority(mThread, PR_PRIORITY_URGENT);
}
SECStatus
do_accepts(
PRFileDesc *listen_sock,
PRFileDesc *model_sock,
int requestCert
)
{
PRNetAddr addr;
PRErrorCode perr;
#ifdef XP_UNIX
struct sigaction act;
#endif
VLOG(("selfserv: do_accepts: starting"));
PR_SetThreadPriority( PR_GetCurrentThread(), PR_PRIORITY_HIGH);
acceptorThread = PR_GetCurrentThread();
#ifdef XP_UNIX
/* set up the signal handler */
act.sa_handler = sigusr1_handler;
sigemptyset(&act.sa_mask);
act.sa_flags = 0;
if (sigaction(SIGUSR1, &act, NULL)) {
fprintf(stderr, "Error installing signal handler.\n");
exit(1);
}
#endif
while (!stopping) {
PRFileDesc *tcp_sock;
PRCList *myLink;
FPRINTF(stderr, "\n\n\nselfserv: About to call accept.\n");
tcp_sock = PR_Accept(listen_sock, &addr, PR_INTERVAL_NO_TIMEOUT);
if (tcp_sock == NULL) {
perr = PR_GetError();
if ((perr != PR_CONNECT_RESET_ERROR &&
perr != PR_PENDING_INTERRUPT_ERROR) || verbose) {
errWarn("PR_Accept");
}
if (perr == PR_CONNECT_RESET_ERROR) {
FPRINTF(stderr,
"Ignoring PR_CONNECT_RESET_ERROR error - continue\n");
continue;
}
stopping = 1;
break;
}
VLOG(("selfserv: do_accept: Got connection\n"));
PZ_Lock(qLock);
while (PR_CLIST_IS_EMPTY(&freeJobs) && !stopping) {
PZ_WaitCondVar(freeListNotEmptyCv, PR_INTERVAL_NO_TIMEOUT);
}
if (stopping) {
PZ_Unlock(qLock);
if (tcp_sock) {
PR_Close(tcp_sock);
}
break;
}
myLink = PR_LIST_HEAD(&freeJobs);
PR_REMOVE_AND_INIT_LINK(myLink);
/* could release qLock here and reacquire it 7 lines below, but
** why bother for 4 assignment statements?
*/
{
JOB * myJob = (JOB *)myLink;
myJob->tcp_sock = tcp_sock;
myJob->model_sock = model_sock;
myJob->requestCert = requestCert;
}
PR_APPEND_LINK(myLink, &jobQ);
PZ_NotifyCondVar(jobQNotEmptyCv);
PZ_Unlock(qLock);
}
FPRINTF(stderr, "selfserv: Closing listen socket.\n");
VLOG(("selfserv: do_accepts: exiting"));
if (listen_sock) {
PR_Close(listen_sock);
}
return SECSuccess;
}
void RCThread::SetPriority(RCThread::Priority new_priority)
{ PR_SetThreadPriority(identity, (PRThreadPriority)new_priority); }
int main(int argc, char **argv)
#endif
{
PLOptStatus os;
PRIntn duration = DEFAULT_DURATION;
PRUint32 totalCount, highCount = 0, lowCount = 0;
PLOptState *opt = PL_CreateOptState(argc, argv, "hdc:");
debug_out = PR_STDOUT;
oneSecond = PR_SecondsToInterval(1);
while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
{
if (PL_OPT_BAD == os) continue;
switch (opt->option)
{
case 'd': /* debug mode */
debug_mode = PR_TRUE;
break;
case 'c': /* test duration */
duration = atoi(opt->value);
break;
case 'h': /* help message */
default:
Help();
return 2;
}
}
PL_DestroyOptState(opt);
PR_STDIO_INIT();
if (duration == 0) duration = DEFAULT_DURATION;
RudimentaryTests();
printf("Priority test: running for %d seconds\n\n", duration);
(void)PerSecond(PR_IntervalNow());
totalCount = PerSecond(PR_IntervalNow());
PR_SetThreadPriority(PR_GetCurrentThread(), PR_PRIORITY_URGENT);
if (debug_mode)
{
PR_fprintf(debug_out,
"The high priority thread should get approximately three\n");
PR_fprintf( debug_out,
"times what the low priority thread manages. A maximum of \n");
PR_fprintf( debug_out, "%d cycles are available.\n\n", totalCount);
}
duration = (duration + 4) / 5;
CreateThreads(&lowCount, &highCount);
while (duration--)
{
PRIntn loop = 5;
while (loop--) PR_Sleep(oneSecond);
if (debug_mode)
PR_fprintf(debug_out, "high : low :: %d : %d\n", highCount, lowCount);
}
PR_ProcessExit((failed) ? 1 : 0);
PR_NOT_REACHED("You can't get here -- but you did!");
return 1; /* or here */
} /* main */