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/*
* File: exception1.c
*
* Test Synopsis: Test passing of exceptions back to the application.
*
* Test Method (Validation or Falsification):
* -
*
* Requirements Tested:
* -
*
* Features Tested:
* -
*
* Cases Tested:
* -
*
* Description:
* -
*
* Environment:
* -
*
* Input:
* - None.
*
* Output:
* - File name, Line number, and failed expression on failure.
* - No output on success.
*
* Assumptions:
* - have working pthread_create, pthread_self, pthread_mutex_lock/unlock
* pthread_testcancel, pthread_cancel, pthread_join
*
* Pass Criteria:
* - Process returns zero exit status.
*
* Fail Criteria:
* - Process returns non-zero exit status.
*/
#if defined(_MSC_VER) || defined(__cplusplus)
#include "test.h"
/*
* Create NUMTHREADS threads in addition to the Main thread.
*/
enum {
NUMTHREADS = 4
};
void *
exceptionedThread(void * arg)
{
int dummy = 0;
int result = ((int)PTHREAD_CANCELED + 1);
/* Set to async cancelable */
assert(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) == 0);
assert(pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL) == 0);
Sleep(100);
#if defined(_MSC_VER) && !defined(__cplusplus)
__try
{
int zero = 0;
int one = 1;
/*
* The deliberate exception condition (zero devide) is
* in an "if" to avoid being optimised out.
*/
if (dummy == one/zero)
Sleep(0);
}
__except (EXCEPTION_EXECUTE_HANDLER)
{
/* Should get into here. */
result = ((int)PTHREAD_CANCELED + 2);
}
#elif defined(__cplusplus)
try
{
/*
* I had a zero divide exception here but it
* wasn't being caught by the catch(...)
* below under Mingw32. That could be a problem.
*/
throw dummy;
}
#if defined(PtW32CatchAll)
PtW32CatchAll
#else
catch (...)
#endif
{
/* Should get into here. */
result = ((int)PTHREAD_CANCELED + 2);
}
#endif
return (void *) result;
}
void *
canceledThread(void * arg)
{
int result = ((int)PTHREAD_CANCELED + 1);
int count;
/* Set to async cancelable */
assert(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) == 0);
assert(pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL) == 0);
#if defined(_MSC_VER) && !defined(__cplusplus)
__try
{
/*
* We wait up to 10 seconds, waking every 0.1 seconds,
* for a cancelation to be applied to us.
*/
for (count = 0; count < 100; count++)
Sleep(100);
}
__except (EXCEPTION_EXECUTE_HANDLER)
{
/* Should NOT get into here. */
result = ((int)PTHREAD_CANCELED + 2);
}
#elif defined(__cplusplus)
try
{
/*
* We wait up to 10 seconds, waking every 0.1 seconds,
* for a cancelation to be applied to us.
*/
for (count = 0; count < 100; count++)
Sleep(100);
}
#if defined(PtW32CatchAll)
PtW32CatchAll
#else
catch (...)
#endif
{
/* Should NOT get into here. */
result = ((int)PTHREAD_CANCELED + 2);
}
#endif
return (void *) result;
}
int
main()
{
int failed = 0;
int i;
pthread_t mt;
pthread_t et[NUMTHREADS];
pthread_t ct[NUMTHREADS];
assert((mt = pthread_self()) != NULL);
for (i = 0; i < NUMTHREADS; i++)
{
assert(pthread_create(&et[i], NULL, exceptionedThread, NULL) == 0);
assert(pthread_create(&ct[i], NULL, canceledThread, NULL) == 0);
}
/*
* Code to control or munipulate child threads should probably go here.
*/
Sleep(1000);
for (i = 0; i < NUMTHREADS; i++)
{
assert(pthread_cancel(ct[i]) == 0);
}
/*
* Give threads time to run.
*/
Sleep(NUMTHREADS * 1000);
/*
* Check any results here. Set "failed" and only print output on failure.
*/
failed = 0;
for (i = 0; i < NUMTHREADS; i++)
{
int fail = 0;
int result = 0;
/* Canceled thread */
assert(pthread_join(ct[i], (void **) &result) == 0);
assert(!(fail = (result != (int) PTHREAD_CANCELED)));
failed = (failed || fail);
/* Exceptioned thread */
assert(pthread_join(et[i], (void **) &result) == 0);
assert(!(fail = (result != ((int) PTHREAD_CANCELED + 2))));
failed = (failed || fail);
}
assert(!failed);
/*
* Success.
*/
return 0;
}
#else /* defined(_MSC_VER) || defined(__cplusplus) */
int
main()
{
fprintf(stderr, "Test N/A for this compiler environment.\n");
return 0;
}
#endif /* defined(_MSC_VER) || defined(__cplusplus) */
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