1 2 static char help[] = "Tests the signal handler.\n"; 3 4 #include <petscsys.h> 5 6 int CreateError(int n) 7 { 8 PetscErrorCode ierr; 9 PetscReal *x = 0; 10 if (!n) {x[0] = 100.; return 0;} 11 ierr = CreateError(n-1);CHKERRQ(ierr); 12 return 0; 13 } 14 15 int main(int argc,char **argv) 16 { 17 PetscErrorCode ierr; 18 ierr = PetscInitialize(&argc,&argv,(char*)0,help);if (ierr) return ierr; 19 ierr = PetscFPrintf(PETSC_COMM_WORLD,stdout,"Demonstrates how PETSc can trap error interrupts\n");CHKERRQ(ierr); 20 ierr = PetscFPrintf(PETSC_COMM_WORLD,stdout,"The error below is contrived to test the code!\n");CHKERRQ(ierr); 21 ierr = PetscSynchronizedFlush(PETSC_COMM_WORLD,PETSC_STDOUT);CHKERRQ(ierr); 22 ierr = CreateError(5);CHKERRQ(ierr); 23 ierr = PetscFinalize(); 24 return ierr; 25 } 26 27 28 29 /*TEST 30 31 test: 32 args: -error_output_stdout 33 filter: egrep "(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 35 36 TEST*/ 37