Change to use Picos instead of DLT and DLA

This adds support for cancelation through Picos and removes explicit support for
timeouts, which simplifies the library.  This basically also means that one can
no longer use Kcas without a scheduler.

Author: polytypic

bench/bench_mvar.ml

@@ -11,6 +11,7 @@ let run_one ~budgetf ?(n_adders = 2) ?(blocking_add = false) ?(n_takers = 2)
   let n_msgs_to_add = Atomic.make n_msgs |> Multicore_magic.copy_as_padded in
 
   let init _ = () in
+  let wrap _ () action = Scheduler.run action in
   let work i () =
     if i < n_adders then
       if blocking_add then
@@ -79,7 +80,7 @@ let run_one ~budgetf ?(n_adders = 2) ?(blocking_add = false) ?(n_takers = 2)
       (format "taker" blocking_take n_takers)
   in
 
-  Times.record ~budgetf ~n_domains ~init ~work ~after ()
+  Times.record ~budgetf ~n_domains ~init ~wrap ~work ~after ()
   |> Times.to_thruput_metrics ~n:n_msgs ~singular:"message" ~config
 
 let run_suite ~budgetf =

bench/bench_queue.ml

@@ -29,6 +29,7 @@ let run_one ~budgetf ?(n_adders = 2) ?(blocking_add = false) ?(n_takers = 2)
     Atomic.set n_msgs_to_take n_msgs;
     Atomic.set n_msgs_to_add n_msgs
   in
+  let wrap _ () action = Scheduler.run action in
   let work i () =
     if i < n_adders then
       let rec work () =
@@ -79,7 +80,7 @@ let run_one ~budgetf ?(n_adders = 2) ?(blocking_add = false) ?(n_takers = 2)
       (format "taker" blocking_take n_takers)
   in
 
-  Times.record ~budgetf ~n_domains ~init ~work ()
+  Times.record ~budgetf ~n_domains ~init ~wrap ~work ()
   |> Times.to_thruput_metrics ~n:n_msgs ~singular:"message" ~config
 
 let run_suite ~budgetf =

bench/bench_stack.ml

@@ -29,6 +29,7 @@ let run_one ~budgetf ?(n_adders = 2) ?(blocking_add = false) ?(n_takers = 2)
     Atomic.set n_msgs_to_take n_msgs;
     Atomic.set n_msgs_to_add n_msgs
   in
+  let wrap _ () action = Scheduler.run action in
   let work i () =
     if i < n_adders then
       let rec work () =
@@ -79,7 +80,7 @@ let run_one ~budgetf ?(n_adders = 2) ?(blocking_add = false) ?(n_takers = 2)
       (format "taker" blocking_take n_takers)
   in
 
-  Times.record ~budgetf ~n_domains ~init ~work ()
+  Times.record ~budgetf ~n_domains ~init ~wrap ~work ()
   |> Times.to_thruput_metrics ~n:n_msgs ~singular:"message" ~config
 
 let run_suite ~budgetf =

bench/dune

@@ -14,6 +14,7 @@ let () =
  (action
   (run %{test} -brief))
  (libraries
+  scheduler
   kcas_data
   multicore-bench
   backoff

doc/dune

@@ -1,8 +1,8 @@
-(mdx
- (package kcas_data)
- (deps
-  (package kcas)
-  (package kcas_data))
- (enabled_if
-  (>= %{ocaml_version} 5.0.0))
- (files gkmz-with-read-only-cmp-ops.md scheduler-interop.md))
+;(mdx
+; (package kcas_data)
+; (deps
+;  (package kcas)
+;  (package kcas_data))
+; (enabled_if
+;  (>= %{ocaml_version} 5.0.0))
+; (files gkmz-with-read-only-cmp-ops.md scheduler-interop.md))

dune

@@ -1,7 +1,7 @@
-(mdx
- (package kcas_data)
- (deps
-  (package kcas)
-  (package kcas_data))
- (libraries domain_shims)
- (files README.md))
+;(mdx
+; (package kcas_data)
+; (deps
+;  (package kcas)
+;  (package kcas_data))
+; (libraries domain_shims)
+; (files README.md))

dune-project

@@ -34,10 +34,8 @@
    (>= 4.13.0))
   (backoff
    (>= 0.1.0))
-  (domain-local-await
-   (>= 1.0.1))
-  (domain-local-timeout
-   (>= 1.0.1))
+  (picos
+   (>= 0.5.0))
   (multicore-magic
    (>= 2.3.0))
   (domain_shims
@@ -84,9 +82,9 @@
    (and
     (>= 0.1.0)
     :with-test))
-  (domain-local-await
+  (picos
    (and
-    (>= 1.0.1)
+    (>= 0.5.0)
     :with-test))
   (domain_shims
    (and

dune-workspace

@@ -0,0 +1,13 @@
+(lang dune 3.9)
+
+(env
+ (dev
+  (ocamlopt_flags
+   (:standard -S))
+  (flags
+   (:standard -warn-error -A)))
+ (release
+  (ocamlopt_flags
+   (:standard -S))))
+
+(display verbose)

kcas.opam

@@ -19,8 +19,7 @@ depends: [
   "dune" {>= "3.14"}
   "ocaml" {>= "4.13.0"}
   "backoff" {>= "0.1.0"}
-  "domain-local-await" {>= "1.0.1"}
-  "domain-local-timeout" {>= "1.0.1"}
+  "picos" {>= "0.5.0"}
   "multicore-magic" {>= "2.3.0"}
   "domain_shims" {>= "0.1.0" & with-test}
   "alcotest" {>= "1.8.0" & with-test}
@@ -46,3 +45,6 @@ build: [
 ]
 dev-repo: "git+https://github.com/ocaml-multicore/kcas.git"
 doc: "https://ocaml-multicore.github.io/kcas/doc/kcas/Kcas/"
+pin-depends: [
+  [ "picos.dev" "git+https://github.com/ocaml-multicore/picos#383e3eef900621dc55ecde58a36bdd2e9ae5a2db" ]
+]

kcas.opam.template

@@ -1 +1,4 @@
 doc: "https://ocaml-multicore.github.io/kcas/doc/kcas/Kcas/"
+pin-depends: [
+  [ "picos.dev" "git+https://github.com/ocaml-multicore/picos#383e3eef900621dc55ecde58a36bdd2e9ae5a2db" ]
+]