Actual source code: ex2.c


  2: static char help[] = "Tests the signal handler.\n";

  4: #include <petscsys.h>

  6: int CreateError(int n)
  7: {
  8:   PetscReal *x = 0;
  9:   if (!n) {
 10:     x[0] = 100.;
 11:     return 0;
 12:   }
 13:   CreateError(n - 1);
 14:   return 0;
 15: }

 17: int main(int argc, char **argv)
 18: {
 20:   PetscInitialize(&argc, &argv, (char *)0, help);
 21:   PetscFPrintf(PETSC_COMM_WORLD, stdout, "Demonstrates how PETSc can trap error interrupts\n");
 22:   PetscFPrintf(PETSC_COMM_WORLD, stdout, "The error below is contrived to test the code!\n");
 23:   PetscSynchronizedFlush(PETSC_COMM_WORLD, PETSC_STDOUT);
 24:   CreateError(5);
 25:   PetscFinalize();
 26:   return 0;
 27: }

 29: /*TEST

 31:    test:
 32:      args: -error_output_stdout
 33:      filter: grep -E "(Caught signal number 11 SEGV|Caught signal number 4 Illegal)" | wc -l
 34:      TODO:  Does not always produce exactly expected output on all systems for all runs

 36: TEST*/