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OCaml: Add separate logging channels and a dedicated 'command' type

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This commit is contained in:
Juno Takano 2025-04-13 22:12:44 -03:00
commit ac3dbe4d30
9 changed files with 72 additions and 36 deletions
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13
ocaml/lib/system/process/command.ml Normal file
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@ -0,0 +1,13 @@
open Utilities.Aliases
type status = Exit of int | Unevaluated
type command = { name: string; arguments: string list; status: status }
let format (command: command): string =
command.name ^
" with arguments: " ^ (String.concat " " command.arguments) ^
" and result " ^ match command.status with
| Exit n -> str_int n
| Unevaluated -> "Not evaluated"
let format_many (commands: command list): string list = List.map format commands

14
ocaml/lib/system/process/fork.ml
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@ -1,11 +1,9 @@
open Utilities.Aliases
let run (command: string) (arguments: string list) =
let run (command: Command.command): Command.command =
match Unix.fork () with
| 0 -> Unix.execvp command (Array.of_list arguments)
| 0 -> Unix.execvp command.name (Array.of_list command.arguments)
| pid -> let (_, status) = Unix.waitpid [] pid in
match status with
| Unix.WEXITED 0 -> ()
| Unix.WEXITED n -> print ("Process exited with code " ^ str_int n)
| Unix.WSIGNALED n -> print ("Process terminated by signal " ^ str_int n)
| Unix.WSTOPPED n -> print ("Process stopped by signal " ^ str_int n)
| WSTOPPED n | WSIGNALED n | WEXITED n -> { command with status = Exit n }
let run_many (commands: Command.command list): Command.command list =
List.map run commands