xref: /petsc/src/sys/tests/ex30.c (revision 76d901e46dda72c1afe96306c7cb4731c47d4e87)
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   PetscFunctionBeginUser;
11   PetscCall(PetscInitialize(&argc,&argv,(char*)0,help));
12   PetscCall(PetscLogEventRegister("Event2",0,&event2));
13   PetscCall(PetscLogEventRegister("Event1",0,&event1));
14   PetscCall(PetscLogEventRegister("Event3",0,&event3));
15 
16   PetscCall(PetscLogEventBegin(event1,0,0,0,0));
17   PetscCall(PetscSleep(1.0));
18   PetscCall(PetscLogEventBegin(event2,0,0,0,0));
19   PetscCall(PetscSleep(1.0));
20   PetscCall(PetscLogEventBegin(event3,0,0,0,0));
21   PetscCall(PetscSleep(1.0));
22   PetscCall(PetscLogEventEnd(event3,0,0,0,0));
23   PetscCall(PetscLogEventEnd(event2,0,0,0,0));
24   PetscCall(PetscLogEventEnd(event1,0,0,0,0));
25   PetscCall(PetscFinalize());
26   return 0;
27 }
28