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