int main(int argc,const char* const* argv){
int c;
const char* message = NULL;
while ( (c = getopt(argc,(char*const*)argv, "p:")) != -1) {
switch(c) {
/* -p $MSGID : preprocess message $MSGID */
caseof('p',message = optarg)
}
}
if(message) {
queue_init();
queue_process(message);
return 0;
}
clock_init(argv[0]);
clock_loop();
return 1;
}
int
main(int argc, char *argv[])
{
unsigned long mean=0, sum=0, maxerr=0;
int i;
CYG_TEST_INIT();
CYG_TEST_INFO("Starting tests from testcase " __FILE__ " for C library "
"clock() function");
// First disable the caches - they may affect the timing loops
// below - causing the elapsed time during the clock() call to vary.
{
register CYG_INTERRUPT_STATE oldints;
HAL_DISABLE_INTERRUPTS(oldints);
HAL_DCACHE_SYNC();
HAL_ICACHE_DISABLE();
HAL_DCACHE_DISABLE();
HAL_DCACHE_SYNC();
HAL_ICACHE_INVALIDATE_ALL();
HAL_DCACHE_INVALIDATE_ALL();
HAL_RESTORE_INTERRUPTS(oldints);
}
// This waits for a clock tick, to ensure that we are at the
// start of a clock period. Then sit in a tight loop to get
// the clock period. Repeat this, and make sure that it the
// two timed periods are acceptably close.
clocks[0] = clock();
if (clocks[0] == (clock_t)-1) // unimplemented is potentially valid.
{
#ifdef CYGSEM_LIBC_TIME_CLOCK_WORKING
CYG_TEST_FAIL_FINISH( "clock() returns -1, meaning unimplemented");
#else
CYG_TEST_PASS_FINISH( "clock() returns -1, meaning unimplemented");
#endif
} // if
// record clocks in a tight consistent loop to avoid random variations
for (i=1; i<SAMPLES; i++) {
ctrs[i] = clock_loop( MAX_TIMEOUT, clocks[i-1], &clocks[i] );
}
for (i=0;i<SAMPLES;i++) {
// output what we got - useful for diagnostics of occasional
// test failures
diag_printf("clocks[%d] = %d, ctrs[%d] = %d\n", i, clocks[i],
i, ctrs[i]);
// Now we work out the error etc.
if (i>=SKIPPED_SAMPLES) {
sum += ctrs[i];
}
}
// deduce out the average
mean = sum / (SAMPLES-SKIPPED_SAMPLES);
// now go through valid results and compare against average
for (i=SKIPPED_SAMPLES;i<SAMPLES;i++) {
unsigned long err;
err = (100 * my_abs(ctrs[i]-mean)) / mean;
if (err > TOLERANCE) {
diag_printf("mean=%d, ctrs[%d]=%d, err=%d\n", mean, i, ctrs[i],
err);
CYG_TEST_FAIL_FINISH("clock() within tolerance");
}
if (err > maxerr)
maxerr=err;
}
diag_printf("mean=%d, maxerr=%d\n", mean, maxerr);
CYG_TEST_PASS_FINISH("clock() stable");
} // main()
