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*/