merge revision(s) a7ff264477105b5dc0ade6facad4176a1b73df0b: [Backport #20393]

	Don't clear pending interrupts in the parent process. (#10365)

4 files changed, 23 insertions, 2 deletions

diff --git a/process.c b/process.c
index 354e16fd26..e8dcb82e50 100644
--- a/process.c
+++ b/process.c
@@ -1786,7 +1786,6 @@ before_fork_ruby(void)
 static void
 after_fork_ruby(void)
 {
-    rb_threadptr_pending_interrupt_clear(GET_THREAD());
     after_exec();
 }
 #endif
diff --git a/test/ruby/test_process.rb b/test/ruby/test_process.rb
index 939a4268d7..1228f2c0b1 100644
--- a/test/ruby/test_process.rb
+++ b/test/ruby/test_process.rb
@@ -2713,4 +2713,25 @@ EOS
     [t1, t2, t3].each { _1&.join rescue nil }
     [long_rpipe, long_wpipe, short_rpipe, short_wpipe].each { _1&.close rescue nil }
   end if defined?(fork)
+
+  def test_handle_interrupt_with_fork
+    Thread.handle_interrupt(RuntimeError => :never) do
+      Thread.current.raise(RuntimeError, "Queued error")
+
+      assert_predicate Thread, :pending_interrupt?
+
+      pid = Process.fork do
+        if Thread.pending_interrupt?
+          exit 1
+        end
+      end
+
+      _, status = Process.waitpid2(pid)
+      assert_predicate status, :success?
+
+      assert_predicate Thread, :pending_interrupt?
+    end
+  rescue RuntimeError
+    # Ignore.
+  end if defined?(fork)
 end
diff --git a/thread.c b/thread.c
index 56cba3d6ee..8309940999 100644
--- a/thread.c
+++ b/thread.c
@@ -4660,6 +4660,7 @@ void
 rb_thread_atfork(void)
 {
     rb_thread_t *th = GET_THREAD();
+    rb_threadptr_pending_interrupt_clear(th);
     rb_thread_atfork_internal(th, terminate_atfork_i);
     th->join_list = NULL;
     rb_fiber_atfork(th);
diff --git a/version.h b/version.h
index 3cf5906d33..e294d76a60 100644
--- a/version.h
+++ b/version.h
@@ -11,7 +11,7 @@
 # define RUBY_VERSION_MINOR RUBY_API_VERSION_MINOR
 #define RUBY_VERSION_TEENY 4
 #define RUBY_RELEASE_DATE RUBY_RELEASE_YEAR_STR"-"RUBY_RELEASE_MONTH_STR"-"RUBY_RELEASE_DAY_STR
-#define RUBY_PATCHLEVEL 179
+#define RUBY_PATCHLEVEL 180
 
 #include "ruby/version.h"
 #include "ruby/internal/abi.h"