1 static char help[] = "Tests the signal handler.\n";
2
3 #include <petscsys.h>
4
CreateError(int n)5 PetscErrorCode CreateError(int n)
6 {
7 if (n) {
8 PetscCall(CreateError(n - 1));
9 } else {
10 volatile PetscReal *x = 0;
11 x[0] = 100.;
12 }
13 return PETSC_SUCCESS;
14 }
15
main(int argc,char ** argv)16 int main(int argc, char **argv)
17 {
18 PetscFunctionBeginUser;
19 PetscCall(PetscInitialize(&argc, &argv, NULL, help));
20 PetscCall(PetscFPrintf(PETSC_COMM_WORLD, stdout, "Demonstrates how PETSc can trap error interrupts\n"));
21 PetscCall(PetscFPrintf(PETSC_COMM_WORLD, stdout, "The error below is contrived to test the code!\n"));
22 PetscCall(PetscSynchronizedFlush(PETSC_COMM_WORLD, PETSC_STDOUT));
23 PetscCall(CreateError(5));
24 PetscCall(PetscFinalize());
25 return 0;
26 }
27
28 /*TEST
29
30 test:
31 args: -error_output_stdout
32 filter: grep -E "(Caught signal number 11 SEGV|Caught signal number 4 Illegal)" | wc -l
33 TODO: Does not always produce exactly expected output on all systems for all runs
34
35 TEST*/
36