test_use_count_fsm() DFOO DEBUG foo(a){IN_USE}: Allocated DFOO DEBUG foo(b){IN_USE}: Allocated DFOO DEBUG foo(c){IN_USE}: Allocated all use counts: a: 0 (-) b: 0 (-) c: 0 (-) 3 foos A few gets and puts, logging source file information DFOO NOTICE foo(a){IN_USE}: a +1 barring: now used by 1 (barring) (use_count_test.c:223) DFOO NOTICE foo(b){IN_USE}: b +1 barring: now used by 1 (barring) (use_count_test.c:225) DFOO NOTICE foo(b){IN_USE}: b +1 fighting: now used by 2 (barring,fighting) (use_count_test.c:226) all use counts: a: 1 (barring) b: 2 (barring,fighting) c: 0 (-) 3 foos Attempt to get more than one on limited 'barring' user: DFOO ERROR foo(b){IN_USE}: Attempt to get more than one barring (use_count_test.c:231) osmo_use_count_get_put(b, barring, 1) returned error: -34 Numerical result out of range all use counts: a: 1 (barring) b: 2 (barring,fighting) c: 0 (-) 3 foos Put away one user of b DFOO NOTICE foo(b){IN_USE}: b -1 barring: now used by 1 (fighting) (use_count_test.c:235) all use counts: a: 1 (barring) b: 1 (fighting) c: 0 (-) 3 foos (no longer log source file information) Test null use token DFOO NOTICE foo(a){IN_USE}: a +1 NULL: now used by 2 (barring,NULL) all use counts: a: 2 (barring,NULL) b: 1 (fighting) c: 0 (-) 3 foos DFOO NOTICE foo(a){IN_USE}: a -1 NULL: now used by 1 (barring) all use counts: a: 1 (barring) b: 1 (fighting) c: 0 (-) 3 foos Put away last user of a, goes to RELEASING state and waits for a hypothetic async release process DFOO NOTICE foo(a){IN_USE}: a -1 barring: now used by 0 (-) DFOO DEBUG foo(a){IN_USE}: Received Event FOO_EV_UNUSED DFOO DEBUG foo(a){IN_USE}: state_chg to IN_RELEASE DFOO NOTICE foo(a){IN_RELEASE}: a +1 releasing: now used by 1 (releasing) all use counts: a: 1 (releasing) b: 1 (fighting) c: 0 (-) 3 foos Async releasing of a is done, will dealloc DFOO NOTICE foo(a){IN_RELEASE}: a -1 releasing: now used by 0 (-) DFOO DEBUG foo(a){IN_RELEASE}: Received Event FOO_EV_UNUSED DFOO DEBUG foo(a){IN_RELEASE}: Terminating (cause = OSMO_FSM_TERM_REGULAR) DFOO DEBUG foo(a){IN_RELEASE}: Freeing instance DFOO DEBUG foo(a){IN_RELEASE}: Deallocated all use counts: b: 1 (fighting) c: 0 (-) 2 foos Use b multiple times DFOO NOTICE foo(b){IN_USE}: b +1 kungfoo: now used by 2 (fighting,kungfoo) DFOO NOTICE foo(b){IN_USE}: b +1 kungfoo: now used by 3 (fighting,2*kungfoo) DFOO NOTICE foo(b){IN_USE}: b -1 kungfoo: now used by 2 (fighting,kungfoo) DFOO NOTICE foo(b){IN_USE}: b +1 kungfoo: now used by 3 (fighting,2*kungfoo) DFOO NOTICE foo(b){IN_USE}: b +1 kungfoo: now used by 4 (fighting,3*kungfoo) all use counts: b: 4 (fighting,3*kungfoo) c: 0 (-) 2 foos Test range: set kung-fu to INT32_MAX-1, then get three more; total count gets max-clamped to INT32_MAX DFOO NOTICE foo(b){IN_USE}: b +2147483643 kungfoo: now used by 2147483647 (fighting,2147483646*kungfoo) all use counts: b: 2147483647 (fighting,2147483646*kungfoo) c: 0 (-) 2 foos DFOO NOTICE foo(b){IN_USE}: b +1 kungfoo: now used by 2147483647 (fighting,2147483647*kungfoo) osmo_use_count_get_put(b, kungfoo, 1) returned error: -34 Numerical result out of range osmo_use_count_get_put(b, kungfoo, 1) returned error: -34 Numerical result out of range DFOO NOTICE foo(b){IN_USE}: b +2 fighting: now used by 2147483647 (3*fighting,2147483647*kungfoo) DFOO NOTICE foo(b){IN_USE}: b -3 kungfoo: now used by 2147483647 (3*fighting,2147483644*kungfoo) DFOO NOTICE foo(b){IN_USE}: b -1 kungfoo: now used by 2147483646 (3*fighting,2147483643*kungfoo) DFOO NOTICE foo(b){IN_USE}: b -1 kungfoo: now used by 2147483645 (3*fighting,2147483642*kungfoo) DFOO NOTICE foo(b){IN_USE}: b +1 fighting: now used by 2147483646 (4*fighting,2147483642*kungfoo) DFOO NOTICE foo(b){IN_USE}: b +1 fighting: now used by 2147483647 (5*fighting,2147483642*kungfoo) DFOO NOTICE foo(b){IN_USE}: b +1 fighting: now used by 2147483647 (6*fighting,2147483642*kungfoo) all use counts: b: 2147483647 (6*fighting,2147483642*kungfoo) c: 0 (-) 2 foos Release all uses of b DFOO NOTICE foo(b){IN_USE}: b -2147483642 kungfoo: now used by 6 (6*fighting) DFOO NOTICE foo(b){IN_USE}: b -6 fighting: now used by 0 (-) DFOO DEBUG foo(b){IN_USE}: Received Event FOO_EV_UNUSED DFOO DEBUG foo(b){IN_USE}: state_chg to IN_RELEASE DFOO NOTICE foo(b){IN_RELEASE}: b +1 releasing: now used by 1 (releasing) Signal async release as done DFOO NOTICE foo(b){IN_RELEASE}: b -1 releasing: now used by 0 (-) DFOO DEBUG foo(b){IN_RELEASE}: Received Event FOO_EV_UNUSED DFOO DEBUG foo(b){IN_RELEASE}: Terminating (cause = OSMO_FSM_TERM_REGULAR) DFOO DEBUG foo(b){IN_RELEASE}: Freeing instance DFOO DEBUG foo(b){IN_RELEASE}: Deallocated all use counts: c: 0 (-) 1 foos Release something not gotten before: a get/put bug goes into negative count DFOO NOTICE foo(c){IN_USE}: c -1 kungfoo: now used by -1 (-1*kungfoo) DFOO ERROR foo(c){IN_USE}: Negative use count on kungfoo: -1 (-1*kungfoo) all use counts: c: -1 (-1*kungfoo) 1 foos More negative DFOO NOTICE foo(c){IN_USE}: c -1 kungfoo: now used by -2 (-2*kungfoo) DFOO ERROR foo(c){IN_USE}: Negative use count on kungfoo: -2 (-2*kungfoo) DFOO NOTICE foo(c){IN_USE}: c -1 kungfoo: now used by -3 (-3*kungfoo) DFOO ERROR foo(c){IN_USE}: Negative use count on kungfoo: -3 (-3*kungfoo) all use counts: c: -3 (-3*kungfoo) 1 foos Also release c DFOO NOTICE foo(c){IN_USE}: c +4 kungfoo: now used by 1 (kungfoo) DFOO NOTICE foo(c){IN_USE}: c -1 kungfoo: now used by 0 (-) DFOO DEBUG foo(c){IN_USE}: Received Event FOO_EV_UNUSED DFOO DEBUG foo(c){IN_USE}: state_chg to IN_RELEASE DFOO NOTICE foo(c){IN_RELEASE}: c +1 releasing: now used by 1 (releasing) Signal async release as done DFOO NOTICE foo(c){IN_RELEASE}: c -1 releasing: now used by 0 (-) DFOO DEBUG foo(c){IN_RELEASE}: Received Event FOO_EV_UNUSED DFOO DEBUG foo(c){IN_RELEASE}: Terminating (cause = OSMO_FSM_TERM_REGULAR) DFOO DEBUG foo(c){IN_RELEASE}: Freeing instance DFOO DEBUG foo(c){IN_RELEASE}: Deallocated all use counts: 0 foos