[thirdparty/gcc.git] / gcc / testsuite / c-c++-common / cilk-plus / CK / spawning_arg.c

/* { dg-do run } */
/* { dg-require-effective-target cilkplus_runtime } */
/* { dg-options "-fcilkplus" } */

#ifdef __cplusplus
extern "C" {
#endif

extern int __cilkrts_set_param (const char *, const char *);

#ifdef __cplusplus
}
#endif


void f0(volatile int *steal_flag)
{ 
  int i = 0;
  /* Wait for steal_flag to be set */
  while (!*steal_flag) 
    ;
}

int f1()
{

  volatile int steal_flag = 0;
  _Cilk_spawn f0(&steal_flag);
  steal_flag = 1;  // Indicate stolen
  _Cilk_sync; 
  return 0;
}

void f2(int q)
{
  q = 5;
}

void f3()
{
   _Cilk_spawn f2(f1());
}

int main()
{
  /* Ensure more than one worker.  */
  if (__cilkrts_set_param("nworkers", "2") != 0)
    __builtin_abort();

  f3();
  return 0;
}
Commit	Line	Data
572f8300	1	/* { dg-do run } */
572f8300	2	/* { dg-require-effective-target cilkplus_runtime } */
d037099f	3	/* { dg-options "-fcilkplus" } */
d037099f	4
4abd9410	5	#ifdef __cplusplus
	6	extern "C" {
	7	#endif
	8
	9	extern int __cilkrts_set_param (const char , const char );
	10
	11	#ifdef __cplusplus
	12	}
	13	#endif
	14
	15
d037099f	16	void f0(volatile int *steal_flag)
	17	{
	18	int i = 0;
	19	/* Wait for steal_flag to be set */
	20	while (!*steal_flag)
	21	;
	22	}
	23
	24	int f1()
	25	{
	26
	27	volatile int steal_flag = 0;
	28	_Cilk_spawn f0(&steal_flag);
	29	steal_flag = 1; // Indicate stolen
	30	_Cilk_sync;
	31	return 0;
	32	}
	33
	34	void f2(int q)
	35	{
	36	q = 5;
	37	}
	38
	39	void f3()
	40	{
	41	_Cilk_spawn f2(f1());
	42	}
	43
	44	int main()
	45	{
4abd9410	46	/* Ensure more than one worker. */
	47	if (__cilkrts_set_param("nworkers", "2") != 0)
	48	__builtin_abort();
	49
d037099f	50	f3();
	51	return 0;
	52	}