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path: root/nsprpub/pr/src/cplus/tests/switch.cpp
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Diffstat (limited to 'nsprpub/pr/src/cplus/tests/switch.cpp')
-rw-r--r--nsprpub/pr/src/cplus/tests/switch.cpp168
1 files changed, 91 insertions, 77 deletions
diff --git a/nsprpub/pr/src/cplus/tests/switch.cpp b/nsprpub/pr/src/cplus/tests/switch.cpp
index 4cb14c48fb..00de8e3064 100644
--- a/nsprpub/pr/src/cplus/tests/switch.cpp
+++ b/nsprpub/pr/src/cplus/tests/switch.cpp
@@ -70,8 +70,12 @@ void Shared::RootFunction()
while (PR_SUCCESS == status)
{
RCEnter entry(ml);
- while (twiddle && (PR_SUCCESS == status)) status = Wait();
- if (verbosity) PR_fprintf(debug_out, "+");
+ while (twiddle && (PR_SUCCESS == status)) {
+ status = Wait();
+ }
+ if (verbosity) {
+ PR_fprintf(debug_out, "+");
+ }
twiddle = PR_TRUE;
next->twiddle = PR_FALSE;
next->Notify();
@@ -83,11 +87,11 @@ static void Help(void)
debug_out = PR_STDOUT;
PR_fprintf(
- debug_out, "Usage: >./switch [-d] [-c n] [-t n] [-T n] [-G]\n");
+ debug_out, "Usage: >./switch [-d] [-c n] [-t n] [-T n] [-G]\n");
PR_fprintf(
- debug_out, "-c n\tloops at thread level (default: %d)\n", DEFAULT_LOOPS);
+ debug_out, "-c n\tloops at thread level (default: %d)\n", DEFAULT_LOOPS);
PR_fprintf(
- debug_out, "-t n\tnumber of threads (default: %d)\n", DEFAULT_THREADS);
+ debug_out, "-t n\tnumber of threads (default: %d)\n", DEFAULT_THREADS);
PR_fprintf(debug_out, "-d\tturn on debugging output (default: FALSE)\n");
PR_fprintf(debug_out, "-v\tturn on verbose output (default: FALSE)\n");
PR_fprintf(debug_out, "-G n\tglobal threads only (default: FALSE)\n");
@@ -96,59 +100,63 @@ static void Help(void)
PRIntn main(PRIntn argc, char **argv)
{
- PLOptStatus os;
+ PLOptStatus os;
PRStatus status;
PRBool help = PR_FALSE;
PRUintn concurrency = 1;
RCThread::Scope thread_scope = RCThread::local;
PRUintn thread_count, inner_count, loop_count, average;
PRUintn thread_limit = DEFAULT_THREADS, loop_limit = DEFAULT_LOOPS;
- PLOptState *opt = PL_CreateOptState(argc, argv, "hdvc:t:C:G");
- while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
+ PLOptState *opt = PL_CreateOptState(argc, argv, "hdvc:t:C:G");
+ while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
{
- if (PL_OPT_BAD == os) continue;
+ if (PL_OPT_BAD == os) {
+ continue;
+ }
switch (opt->option)
{
- case 'v': /* verbose mode */
- verbosity = PR_TRUE;
- case 'd': /* debug mode */
- debug_mode = PR_TRUE;
- break;
- case 'c': /* loop counter */
- loop_limit = atoi(opt->value);
- break;
- case 't': /* thread limit */
- thread_limit = atoi(opt->value);
- break;
- case 'C': /* Concurrency limit */
- concurrency = atoi(opt->value);
- break;
- case 'G': /* global threads only */
- thread_scope = RCThread::global;
- break;
- case 'h': /* help message */
- Help();
- help = PR_TRUE;
- break;
- default:
- break;
+ case 'v': /* verbose mode */
+ verbosity = PR_TRUE;
+ case 'd': /* debug mode */
+ debug_mode = PR_TRUE;
+ break;
+ case 'c': /* loop counter */
+ loop_limit = atoi(opt->value);
+ break;
+ case 't': /* thread limit */
+ thread_limit = atoi(opt->value);
+ break;
+ case 'C': /* Concurrency limit */
+ concurrency = atoi(opt->value);
+ break;
+ case 'G': /* global threads only */
+ thread_scope = RCThread::global;
+ break;
+ case 'h': /* help message */
+ Help();
+ help = PR_TRUE;
+ break;
+ default:
+ break;
}
}
- PL_DestroyOptState(opt);
-
- if (help) return -1;
-
- if (PR_TRUE == debug_mode)
- {
- debug_out = PR_STDOUT;
- PR_fprintf(debug_out, "Test parameters\n");
- PR_fprintf(debug_out, "\tThreads involved: %d\n", thread_limit);
- PR_fprintf(debug_out, "\tIteration limit: %d\n", loop_limit);
- PR_fprintf(debug_out, "\tConcurrency: %d\n", concurrency);
- PR_fprintf(
- debug_out, "\tThread type: %s\n",
- (PR_GLOBAL_THREAD == thread_scope) ? "GLOBAL" : "LOCAL");
- }
+ PL_DestroyOptState(opt);
+
+ if (help) {
+ return -1;
+ }
+
+ if (PR_TRUE == debug_mode)
+ {
+ debug_out = PR_STDOUT;
+ PR_fprintf(debug_out, "Test parameters\n");
+ PR_fprintf(debug_out, "\tThreads involved: %d\n", thread_limit);
+ PR_fprintf(debug_out, "\tIteration limit: %d\n", loop_limit);
+ PR_fprintf(debug_out, "\tConcurrency: %d\n", concurrency);
+ PR_fprintf(
+ debug_out, "\tThread type: %s\n",
+ (PR_GLOBAL_THREAD == thread_scope) ? "GLOBAL" : "LOCAL");
+ }
/*
** The interesting part starts here
@@ -165,62 +173,68 @@ PRIntn main(PRIntn argc, char **argv)
shared = new Shared(thread_scope, link, &lock);
shared->Start(); /* make it run */
link = (Home*)shared;
- }
+ }
/* Pass the message around the horn a few times */
for (loop_count = 1; loop_count <= loop_limit; ++loop_count)
{
- timein.SetToNow();
- for (inner_count = 0; inner_count < INNER_LOOPS; ++inner_count)
- {
- RCEnter entry(&lock);
- home.twiddle = PR_TRUE;
- shared->twiddle = PR_FALSE;
- shared->Notify();
- while (home.twiddle)
+ timein.SetToNow();
+ for (inner_count = 0; inner_count < INNER_LOOPS; ++inner_count)
+ {
+ RCEnter entry(&lock);
+ home.twiddle = PR_TRUE;
+ shared->twiddle = PR_FALSE;
+ shared->Notify();
+ while (home.twiddle)
{
- failed = (PR_FAILURE == home.Wait()) ? PR_TRUE : PR_FALSE;
+ failed = (PR_FAILURE == home.Wait()) ? PR_TRUE : PR_FALSE;
}
- }
- timeout += (RCInterval(RCInterval::now) - timein);
- }
+ }
+ timeout += (RCInterval(RCInterval::now) - timein);
+ }
/* Figure out how well we did */
- if (debug_mode)
- {
- average = timeout.ToMicroseconds()
- / (INNER_LOOPS * loop_limit * thread_count);
- PR_fprintf(
- debug_out, "Average switch times %d usecs for %d threads\n",
+ if (debug_mode)
+ {
+ average = timeout.ToMicroseconds()
+ / (INNER_LOOPS * loop_limit * thread_count);
+ PR_fprintf(
+ debug_out, "Average switch times %d usecs for %d threads\n",
average, thread_limit);
- }
+ }
/* Start reclamation process */
link = shared;
for (thread_count = 1; thread_count <= thread_limit; ++thread_count)
{
- if (&home == link) break;
+ if (&home == link) {
+ break;
+ }
status = ((Shared*)link)->Interrupt();
- if (PR_SUCCESS != status)
+ if (PR_SUCCESS != status)
{
failed = PR_TRUE;
- if (debug_mode)
- PL_FPrintError(debug_out, "Failed to interrupt");
+ if (debug_mode) {
+ PL_FPrintError(debug_out, "Failed to interrupt");
+ }
}
- link = link->next;
+ link = link->next;
}
for (thread_count = 1; thread_count <= thread_limit; ++thread_count)
{
link = shared->next;
status = shared->Join();
- if (PR_SUCCESS != status)
- {
+ if (PR_SUCCESS != status)
+ {
failed = PR_TRUE;
- if (debug_mode)
- PL_FPrintError(debug_out, "Failed to join");
+ if (debug_mode) {
+ PL_FPrintError(debug_out, "Failed to join");
+ }
+ }
+ if (&home == link) {
+ break;
}
- if (&home == link) break;
shared = (Shared*)link;
}
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