2024-09-30 15:51:59 +00:00
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From 25108090a1566bc49caab833fe1591a0c6f941be Mon Sep 17 00:00:00 2001
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2024-03-28 10:46:39 +00:00
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From: "Richard W.M. Jones" <rjones@redhat.com>
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Date: Tue, 27 Jun 2023 10:17:58 +0100
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Subject: [PATCH] ocaml: Replace old enter/leave_blocking_section calls
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Since OCaml 4 the old and confusing caml_enter_blocking_section and
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caml_leave_blocking_section calls have been replaced with
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caml_release_runtime_system and caml_acquire_runtime_system (in that
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order). Use the new names.
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(cherry picked from commit 7e1d7c1330185a1f3da2ce2100f59637518c3302)
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---
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generator/OCaml.ml | 5 +++--
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ocaml/guestfs-c.c | 5 +++--
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2 files changed, 6 insertions(+), 4 deletions(-)
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diff --git a/generator/OCaml.ml b/generator/OCaml.ml
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index 02d9ee2e..07ccd269 100644
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--- a/generator/OCaml.ml
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+++ b/generator/OCaml.ml
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@@ -429,6 +429,7 @@ and generate_ocaml_c () =
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#include <caml/memory.h>
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#include <caml/mlvalues.h>
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#include <caml/signals.h>
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+#include <caml/threads.h>
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#include <guestfs.h>
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#include \"guestfs-utils.h\"
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@@ -689,12 +690,12 @@ copy_table (char * const * argv)
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pr "\n";
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if blocking then
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- pr " caml_enter_blocking_section ();\n";
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+ pr " caml_release_runtime_system ();\n";
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pr " r = %s " c_function;
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generate_c_call_args ~handle:"g" style;
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pr ";\n";
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if blocking then
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- pr " caml_leave_blocking_section ();\n";
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+ pr " caml_acquire_runtime_system ();\n";
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(* Free strings if we copied them above. *)
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List.iter (
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diff --git a/ocaml/guestfs-c.c b/ocaml/guestfs-c.c
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index 3888c945..8c8aa460 100644
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--- a/ocaml/guestfs-c.c
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+++ b/ocaml/guestfs-c.c
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@@ -34,6 +34,7 @@
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#include <caml/mlvalues.h>
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#include <caml/printexc.h>
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#include <caml/signals.h>
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+#include <caml/threads.h>
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#include <caml/unixsupport.h>
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#include "guestfs-c.h"
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@@ -395,12 +396,12 @@ event_callback_wrapper (guestfs_h *g,
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/* Ensure we are holding the GC lock before any GC operations are
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* possible. (RHBZ#725824)
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*/
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- caml_leave_blocking_section ();
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+ caml_acquire_runtime_system ();
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event_callback_wrapper_locked (g, data, event, event_handle, flags,
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buf, buf_len, array, array_len);
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- caml_enter_blocking_section ();
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+ caml_release_runtime_system ();
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}
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value
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