openmp/runtime/test/tasking/kmp_taskwait_depend_in.c

   1 // RUN: %libomp-compile-and-run
   2
   3 // test checks IN dep kind in depend clause on taskwait construct
   4 // uses codegen emulation
   5 #include <stdio.h>
   6 #include <omp.h>
   7 // ---------------------------------------------------------------------------
   8 // internal data to emulate compiler codegen
   9 typedef struct DEP {
  10   size_t addr;
  11   size_t len;
  12   unsigned char flags;
  13 } _dep;
  14 typedef struct ID {
  15   int reserved_1;
  16   int flags;
  17   int reserved_2;
  18   int reserved_3;
  19   char *psource;
  20 } _id;
  21
  22 #ifdef __cplusplus
  23 extern "C" {
  24 #endif
  25 extern int __kmpc_global_thread_num(_id*);
  26 extern void __kmpc_omp_wait_deps(_id *, int, int, _dep *, int, _dep *);
  27 #ifdef __cplusplus
  28 } // extern "C"
  29 #endif
  30
  31 int main()
  32 {
  33   int i1,i2,i3;
  34   omp_set_num_threads(2);
  35   printf("addresses: %p %p %p\n", &i1, &i2, &i3);
  36   #pragma omp parallel
  37   {
  38     int t = omp_get_thread_num();
  39     printf("thread %d enters parallel\n", t);
  40     #pragma omp single
  41     {
  42       #pragma omp task depend(in: i3)
  43       {
  44         int th = omp_get_thread_num();
  45         printf("task 0 created by th %d, executed by th %d\n", t, th);
  46       }
  47       #pragma omp task depend(in: i2)
  48       {
  49         int th = omp_get_thread_num();
  50         printf("task 1 created by th %d, executed by th %d\n", t, th);
  51       }
  52 //      #pragma omp taskwait depend(in: i1, i2)
  53       {
  54         _dep sdep[2];
  55         static _id loc = {0, 2, 0, 0, ";test9.c;func;60;0;;"};
  56         int gtid = __kmpc_global_thread_num(&loc);
  57         sdep[0].addr = (size_t)&i2;
  58         sdep[0].flags = 1; // 1-in, 2-out, 3-inout, 4-mtx, 8-inoutset
  59         sdep[1].addr = (size_t)&i1;
  60         sdep[1].flags = 1; // in
  61         __kmpc_omp_wait_deps(&loc, gtid, 2, sdep, 0, NULL);
  62       }
  63       printf("single done\n");
  64     }
  65   }
  66   printf("passed\n");
  67   return 0;
  68 }