1: static char help[] = "Tests the signal handler.\n";
3: #include <petscsys.h>
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: }
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: }
28: /*TEST
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
35: TEST*/