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-rw-r--r--nsprpub/pr/tests/cvar.c242
1 files changed, 130 insertions, 112 deletions
diff --git a/nsprpub/pr/tests/cvar.c b/nsprpub/pr/tests/cvar.c
index e2be526e8..4dc891d3f 100644
--- a/nsprpub/pr/tests/cvar.c
+++ b/nsprpub/pr/tests/cvar.c
@@ -8,16 +8,16 @@
**
** Name: cvar.c
**
-** Description: Tests Condition Variable Operations
+** Description: Tests Condition Variable Operations
**
** Modification History:
** 13-May-97 AGarcia- Converted the test to accomodate the debug_mode flag.
-** The debug mode will print all of the printfs associated with this test.
-** The regress mode will be the default mode. Since the regress tool limits
+** The debug mode will print all of the printfs associated with this test.
+** The regress mode will be the default mode. Since the regress tool limits
** the output to a one line status:PASS or FAIL,all of the printf statements
-** have been handled with an if (debug_mode) statement.
+** have been handled with an if (debug_mode) statement.
** 04-June-97 AGarcia removed the Test_Result function. Regress tool has been updated to
-** recognize the return code from tha main program.
+** recognize the return code from tha main program.
** 12-June-97 Revert to return code 0 and 1.
***********************************************************************/
@@ -39,15 +39,15 @@ PRMonitor *mon;
PRInt32 count = 0;
PRIntn debug_mode;
-#define kQSIZE 1
+#define kQSIZE 1
typedef struct {
- PRLock *bufLock;
- int startIdx;
- int numFull;
- PRCondVar *notFull;
- PRCondVar *notEmpty;
- void *data[kQSIZE];
+ PRLock *bufLock;
+ int startIdx;
+ int numFull;
+ PRCondVar *notFull;
+ PRCondVar *notEmpty;
+ void *data[kQSIZE];
} CircBuf;
static PRBool failed = PR_FALSE;
@@ -57,19 +57,20 @@ static PRBool failed = PR_FALSE;
*/
static CircBuf* NewCB(void)
{
- CircBuf *cbp;
-
- cbp = PR_NEW(CircBuf);
- if (cbp == NULL)
- return (NULL);
-
- cbp->bufLock = PR_NewLock();
- cbp->startIdx = 0;
- cbp->numFull = 0;
- cbp->notFull = PR_NewCondVar(cbp->bufLock);
- cbp->notEmpty = PR_NewCondVar(cbp->bufLock);
-
- return (cbp);
+ CircBuf *cbp;
+
+ cbp = PR_NEW(CircBuf);
+ if (cbp == NULL) {
+ return (NULL);
+ }
+
+ cbp->bufLock = PR_NewLock();
+ cbp->startIdx = 0;
+ cbp->numFull = 0;
+ cbp->notFull = PR_NewCondVar(cbp->bufLock);
+ cbp->notEmpty = PR_NewCondVar(cbp->bufLock);
+
+ return (cbp);
}
/*
@@ -77,54 +78,56 @@ static CircBuf* NewCB(void)
*/
static void DeleteCB(CircBuf *cbp)
{
- PR_DestroyLock(cbp->bufLock);
- PR_DestroyCondVar(cbp->notFull);
- PR_DestroyCondVar(cbp->notEmpty);
- PR_DELETE(cbp);
+ PR_DestroyLock(cbp->bufLock);
+ PR_DestroyCondVar(cbp->notFull);
+ PR_DestroyCondVar(cbp->notEmpty);
+ PR_DELETE(cbp);
}
/*
-** PutCBData puts new data on the queue. If the queue is full, it waits
+** PutCBData puts new data on the queue. If the queue is full, it waits
** until there is room.
*/
static void PutCBData(CircBuf *cbp, void *data)
{
- PR_Lock(cbp->bufLock);
- /* wait while the buffer is full */
- while (cbp->numFull == kQSIZE)
- PR_WaitCondVar(cbp->notFull,PR_INTERVAL_NO_TIMEOUT);
- cbp->data[(cbp->startIdx + cbp->numFull) % kQSIZE] = data;
- cbp->numFull += 1;
-
- /* let a waiting reader know that there is data */
- PR_NotifyCondVar(cbp->notEmpty);
- PR_Unlock(cbp->bufLock);
+ PR_Lock(cbp->bufLock);
+ /* wait while the buffer is full */
+ while (cbp->numFull == kQSIZE) {
+ PR_WaitCondVar(cbp->notFull,PR_INTERVAL_NO_TIMEOUT);
+ }
+ cbp->data[(cbp->startIdx + cbp->numFull) % kQSIZE] = data;
+ cbp->numFull += 1;
+
+ /* let a waiting reader know that there is data */
+ PR_NotifyCondVar(cbp->notEmpty);
+ PR_Unlock(cbp->bufLock);
}
/*
-** GetCBData gets the oldest data on the queue. If the queue is empty, it waits
+** GetCBData gets the oldest data on the queue. If the queue is empty, it waits
** until new data appears.
*/
static void* GetCBData(CircBuf *cbp)
{
- void *data;
-
- PR_Lock(cbp->bufLock);
- /* wait while the buffer is empty */
- while (cbp->numFull == 0)
- PR_WaitCondVar(cbp->notEmpty,PR_INTERVAL_NO_TIMEOUT);
- data = cbp->data[cbp->startIdx];
- cbp->startIdx =(cbp->startIdx + 1) % kQSIZE;
- cbp->numFull -= 1;
-
- /* let a waiting writer know that there is room */
- PR_NotifyCondVar(cbp->notFull);
- PR_Unlock(cbp->bufLock);
-
- return (data);
+ void *data;
+
+ PR_Lock(cbp->bufLock);
+ /* wait while the buffer is empty */
+ while (cbp->numFull == 0) {
+ PR_WaitCondVar(cbp->notEmpty,PR_INTERVAL_NO_TIMEOUT);
+ }
+ data = cbp->data[cbp->startIdx];
+ cbp->startIdx =(cbp->startIdx + 1) % kQSIZE;
+ cbp->numFull -= 1;
+
+ /* let a waiting writer know that there is room */
+ PR_NotifyCondVar(cbp->notFull);
+ PR_Unlock(cbp->bufLock);
+
+ return (data);
}
@@ -134,17 +137,19 @@ static int alive;
static void PR_CALLBACK CXReader(void *arg)
{
- CircBuf *cbp = (CircBuf *)arg;
+ CircBuf *cbp = (CircBuf *)arg;
PRInt32 i, n;
void *data;
n = count / 2;
for (i = 0; i < n; i++) {
- data = GetCBData(cbp);
- if ((int)data != i)
- if (debug_mode) printf("data mismatch at for i = %d usec\n", i);
+ data = GetCBData(cbp);
+ if ((int)data != i)
+ if (debug_mode) {
+ printf("data mismatch at for i = %d usec\n", i);
+ }
}
-
+
PR_EnterMonitor(mon);
--alive;
PR_Notify(mon);
@@ -153,12 +158,13 @@ static void PR_CALLBACK CXReader(void *arg)
static void PR_CALLBACK CXWriter(void *arg)
{
- CircBuf *cbp = (CircBuf *)arg;
+ CircBuf *cbp = (CircBuf *)arg;
PRInt32 i, n;
n = count / 2;
- for (i = 0; i < n; i++)
- PutCBData(cbp, (void *)i);
+ for (i = 0; i < n; i++) {
+ PutCBData(cbp, (void *)i);
+ }
PR_EnterMonitor(mon);
--alive;
@@ -169,35 +175,35 @@ static void PR_CALLBACK CXWriter(void *arg)
static void CondWaitContextSwitch(PRThreadScope scope1, PRThreadScope scope2)
{
PRThread *t1, *t2;
- CircBuf *cbp;
+ CircBuf *cbp;
PR_EnterMonitor(mon);
alive = 2;
- cbp = NewCB();
-
- t1 = PR_CreateThread(PR_USER_THREAD,
- CXReader, cbp,
- PR_PRIORITY_NORMAL,
- scope1,
- PR_UNJOINABLE_THREAD,
- 0);
- PR_ASSERT(t1);
- t2 = PR_CreateThread(PR_USER_THREAD,
- CXWriter, cbp,
- PR_PRIORITY_NORMAL,
- scope2,
- PR_UNJOINABLE_THREAD,
- 0);
- PR_ASSERT(t2);
+ cbp = NewCB();
+
+ t1 = PR_CreateThread(PR_USER_THREAD,
+ CXReader, cbp,
+ PR_PRIORITY_NORMAL,
+ scope1,
+ PR_UNJOINABLE_THREAD,
+ 0);
+ PR_ASSERT(t1);
+ t2 = PR_CreateThread(PR_USER_THREAD,
+ CXWriter, cbp,
+ PR_PRIORITY_NORMAL,
+ scope2,
+ PR_UNJOINABLE_THREAD,
+ 0);
+ PR_ASSERT(t2);
/* Wait for both of the threads to exit */
while (alive) {
- PR_Wait(mon, PR_INTERVAL_NO_TIMEOUT);
+ PR_Wait(mon, PR_INTERVAL_NO_TIMEOUT);
}
- DeleteCB(cbp);
+ DeleteCB(cbp);
PR_ExitMonitor(mon);
}
@@ -230,39 +236,47 @@ static void Measure(void (*func)(void), const char *msg)
d = (double)PR_IntervalToMicroseconds(stop - start);
- if (debug_mode) printf("%40s: %6.2f usec\n", msg, d / count);
+ if (debug_mode) {
+ printf("%40s: %6.2f usec\n", msg, d / count);
+ }
- if (0 == d) failed = PR_TRUE;
+ if (0 == d) {
+ failed = PR_TRUE;
+ }
}
static PRIntn PR_CALLBACK RealMain(int argc, char **argv)
{
- /* The command line argument: -d is used to determine if the test is being run
- in debug mode. The regress tool requires only one line output:PASS or FAIL.
- All of the printfs associated with this test has been handled with a if (debug_mode)
- test.
- Usage: test_name [-d] [-c n]
- */
- PLOptStatus os;
- PLOptState *opt = PL_CreateOptState(argc, argv, "dc:");
- while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
+ /* The command line argument: -d is used to determine if the test is being run
+ in debug mode. The regress tool requires only one line output:PASS or FAIL.
+ All of the printfs associated with this test has been handled with a if (debug_mode)
+ test.
+ Usage: test_name [-d] [-c n]
+ */
+ PLOptStatus os;
+ PLOptState *opt = PL_CreateOptState(argc, argv, "dc:");
+ while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
{
- if (PL_OPT_BAD == os) continue;
+ if (PL_OPT_BAD == os) {
+ continue;
+ }
switch (opt->option)
{
- case 'd': /* debug mode */
- debug_mode = 1;
- break;
- case 'c': /* loop count */
- count = atoi(opt->value);
- break;
- default:
- break;
+ case 'd': /* debug mode */
+ debug_mode = 1;
+ break;
+ case 'c': /* loop count */
+ count = atoi(opt->value);
+ break;
+ default:
+ break;
}
}
- PL_DestroyOptState(opt);
+ PL_DestroyOptState(opt);
- if (0 == count) count = DEFAULT_COUNT;
+ if (0 == count) {
+ count = DEFAULT_COUNT;
+ }
mon = PR_NewMonitor();
@@ -270,21 +284,25 @@ static PRIntn PR_CALLBACK RealMain(int argc, char **argv)
Measure(CondWaitContextSwitchUK, "cond var wait context switch- user/kernel");
Measure(CondWaitContextSwitchKK, "cond var wait context switch- kernel/kernel");
- PR_DestroyMonitor(mon);
+ PR_DestroyMonitor(mon);
- if (debug_mode) printf("%s\n", (failed) ? "FAILED" : "PASSED");
+ if (debug_mode) {
+ printf("%s\n", (failed) ? "FAILED" : "PASSED");
+ }
- if(failed)
- return 1;
- else
- return 0;
+ if(failed) {
+ return 1;
+ }
+ else {
+ return 0;
+ }
}
int main(int argc, char *argv[])
{
PRIntn rv;
-
+
PR_STDIO_INIT();
rv = PR_Initialize(RealMain, argc, argv, 0);
return rv;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-11 20:12:30 +0000