xref: /petsc/src/sys/tests/ex2.c (revision e08b1d6d0faae6eca507e20c9d3498f81719d047)
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   PetscCall(CreateError(n-1));
11   return 0;
12 }
13 
14 int main(int argc,char **argv)
15 {
16   PetscFunctionBeginUser;
17   PetscCall(PetscInitialize(&argc,&argv,(char*)0,help));
18   PetscCall(PetscFPrintf(PETSC_COMM_WORLD,stdout,"Demonstrates how PETSc can trap error interrupts\n"));
19   PetscCall(PetscFPrintf(PETSC_COMM_WORLD,stdout,"The error below is contrived to test the code!\n"));
20   PetscCall(PetscSynchronizedFlush(PETSC_COMM_WORLD,PETSC_STDOUT));
21   PetscCall(CreateError(5));
22   PetscCall(PetscFinalize());
23   return 0;
24 }
25 
26 /*TEST
27 
28    test:
29      args: -error_output_stdout
30      filter: egrep "(Caught signal number 11 SEGV|Caught signal number 4 Illegal)" | wc -l
31      TODO:  Does not always produce exactly expected output on all systems for all runs
32 
33 TEST*/
34