xref: /petsc/src/sys/tests/ex2.c (revision c4762a1b19cd2af06abeed90e8f9d34fb975dd94)
1*c4762a1bSJed Brown 
2*c4762a1bSJed Brown static char help[] = "Tests the signal handler.\n";
3*c4762a1bSJed Brown 
4*c4762a1bSJed Brown #include <petscsys.h>
5*c4762a1bSJed Brown 
6*c4762a1bSJed Brown int CreateError(int n)
7*c4762a1bSJed Brown {
8*c4762a1bSJed Brown   PetscErrorCode ierr;
9*c4762a1bSJed Brown   PetscReal      *x = 0;
10*c4762a1bSJed Brown   if (!n) {x[0] = 100.; return 0;}
11*c4762a1bSJed Brown   ierr = CreateError(n-1);CHKERRQ(ierr);
12*c4762a1bSJed Brown   return 0;
13*c4762a1bSJed Brown }
14*c4762a1bSJed Brown 
15*c4762a1bSJed Brown int main(int argc,char **argv)
16*c4762a1bSJed Brown {
17*c4762a1bSJed Brown   PetscErrorCode ierr;
18*c4762a1bSJed Brown   ierr = PetscInitialize(&argc,&argv,(char*)0,help);if (ierr) return ierr;
19*c4762a1bSJed Brown   ierr = PetscFPrintf(PETSC_COMM_WORLD,stdout,"Demonstrates how PETSc can trap error interrupts\n");CHKERRQ(ierr);
20*c4762a1bSJed Brown   ierr = PetscFPrintf(PETSC_COMM_WORLD,stdout,"The error below is contrived to test the code!\n");CHKERRQ(ierr);
21*c4762a1bSJed Brown   ierr = PetscSynchronizedFlush(PETSC_COMM_WORLD,PETSC_STDOUT);CHKERRQ(ierr);
22*c4762a1bSJed Brown   ierr = CreateError(5);CHKERRQ(ierr);
23*c4762a1bSJed Brown   ierr = PetscFinalize();
24*c4762a1bSJed Brown   return ierr;
25*c4762a1bSJed Brown }
26*c4762a1bSJed Brown 
27*c4762a1bSJed Brown 
28*c4762a1bSJed Brown 
29*c4762a1bSJed Brown /*TEST
30*c4762a1bSJed Brown 
31*c4762a1bSJed Brown    test:
32*c4762a1bSJed Brown      args: -error_output_stdout
33*c4762a1bSJed Brown      filter: egrep "(Caught signal number 11 SEGV|Caught signal number 4 Illegal)" | wc -l
34*c4762a1bSJed Brown      TODO:  Does not always produce exactly expected output on all systems for all runs
35*c4762a1bSJed Brown 
36*c4762a1bSJed Brown TEST*/
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