From 573fb2d2aac55ce5596a4408c01655d655fc51e1 Mon Sep 17 00:00:00 2001
From: rulingcom <orbit@rulingcom.com>
Date: Sat, 2 Mar 2024 16:17:22 +0800
Subject: [PATCH] Fix bug.

---
 lib/process_shared/posix/libc.rb      | 7 ++++---
 lib/process_shared/posix/semaphore.rb | 2 +-
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/lib/process_shared/posix/libc.rb b/lib/process_shared/posix/libc.rb
index 9f39d8e..13a7345 100644
--- a/lib/process_shared/posix/libc.rb
+++ b/lib/process_shared/posix/libc.rb
@@ -26,9 +26,10 @@ module ProcessShared
         #
         # Fallback to attempting to load from same directory as this file.
         helper = 'process_shared/posix/helper.' + suffix
-        fallback_path = File.expand_path(File.dirname(__FILE__))
-        path = $LOAD_PATH.find(fallback_path) do |path|
-          File.exist?(File.join(path, helper))
+        gem_spec = Gem::Specification.find_all.find{|g| g.name == 'process_shared'}
+        path = gem_spec.extensions_dir
+        unless path.end_with?(gem_spec.full_name)
+          path = File.join(path, gem_spec.full_name)
         end
 
         if  defined?(Truffle)
diff --git a/lib/process_shared/posix/semaphore.rb b/lib/process_shared/posix/semaphore.rb
index d1fe59e..1f3c4e0 100644
--- a/lib/process_shared/posix/semaphore.rb
+++ b/lib/process_shared/posix/semaphore.rb
@@ -47,7 +47,7 @@ module ProcessShared
       #
       # @return [Proc] a finalizer
       def self.make_finalizer(sem)
-        proc { LibC.shm_unlink(sem) }
+        proc { SharedMemory::Foreign.shm_unlink(sem) }
       end
 
       # Create a new semaphore with initial value +value+.  After