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author | Florian Angeletti <florian.angeletti@inria.fr> | 2022-05-02 11:41:11 +0200 |
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committer | Florian Angeletti <florian.angeletti@inria.fr> | 2022-05-02 11:41:11 +0200 |
commit | 690ad7ed3ac6f31b42634d7cb4e8b93c0dec5f2b (patch) | |
tree | 6a974f228ca7926a0f885b808362dd47ddfe78ce /stdlib/gc.ml | |
parent | 1e7af3f6261502bb384dc9e23a74ad0990bfd854 (diff) | |
download | ocaml-690ad7ed3ac6f31b42634d7cb4e8b93c0dec5f2b.tar.gz |
Make gc alarms atomic
This is required to allow deleting an alarm from any domains.
Diffstat (limited to 'stdlib/gc.ml')
-rw-r--r-- | stdlib/gc.ml | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/stdlib/gc.ml b/stdlib/gc.ml index 2ef34b5f06..55784bf049 100644 --- a/stdlib/gc.ml +++ b/stdlib/gc.ml @@ -102,23 +102,23 @@ external finalise_last : (unit -> unit) -> 'a -> unit = external finalise_release : unit -> unit = "caml_final_release" -type alarm = bool ref +type alarm = bool Atomic.t type alarm_rec = {active : alarm; f : unit -> unit} let rec call_alarm arec = - if !(arec.active) then begin + if Atomic.get arec.active then begin finalise call_alarm arec; arec.f (); end let create_alarm f = - let arec = { active = ref true; f = f } in + let arec = { active = Atomic.make true; f = f } in finalise call_alarm arec; arec.active -let delete_alarm a = a := false +let delete_alarm a = Atomic.set a false module Memprof = struct |