xref: /petsc/src/sys/tests/ex30.c (revision 6a5217c03994f2d95bb2e6dbd8bed42381aeb015)
1 
2 static char help[] = "Tests nested events.\n\n";
3 
4 #include <petscsys.h>
5 
6 int main(int argc,char **argv)
7 {
8   int            event1,event2,event3;
9 
10   PetscCall(PetscInitialize(&argc,&argv,(char*)0,help));
11   PetscCall(PetscLogEventRegister("Event2",0,&event2));
12   PetscCall(PetscLogEventRegister("Event1",0,&event1));
13   PetscCall(PetscLogEventRegister("Event3",0,&event3));
14 
15   PetscCall(PetscLogEventBegin(event1,0,0,0,0));
16   PetscCall(PetscSleep(1.0));
17   PetscCall(PetscLogEventBegin(event2,0,0,0,0));
18   PetscCall(PetscSleep(1.0));
19   PetscCall(PetscLogEventBegin(event3,0,0,0,0));
20   PetscCall(PetscSleep(1.0));
21   PetscCall(PetscLogEventEnd(event3,0,0,0,0));
22   PetscCall(PetscLogEventEnd(event2,0,0,0,0));
23   PetscCall(PetscLogEventEnd(event1,0,0,0,0));
24   PetscCall(PetscFinalize());
25   return 0;
26 }
27