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