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) {x[0] = 100.; return 0;} 10: CreateError(n-1); 11: return 0; 12: } 14: int main(int argc,char **argv) 15: { 16: PetscInitialize(&argc,&argv,(char*)0,help); 17: PetscFPrintf(PETSC_COMM_WORLD,stdout,"Demonstrates how PETSc can trap error interrupts\n"); 18: PetscFPrintf(PETSC_COMM_WORLD,stdout,"The error below is contrived to test the code!\n"); 19: PetscSynchronizedFlush(PETSC_COMM_WORLD,PETSC_STDOUT); 20: CreateError(5); 21: PetscFinalize(); 22: return 0; 23: } 25: /*TEST 27: test: 28: args: -error_output_stdout 29: filter: egrep "(Caught signal number 11 SEGV|Caught signal number 4 Illegal)" | wc -l 30: TODO: Does not always produce exactly expected output on all systems for all runs 32: TEST*/