From fb7fe22e6026392ee2450aeb1b71657fd75cda43 Mon Sep 17 00:00:00 2001
From: janbar <jlbarriere68@gmail.com>
Date: Sat, 17 Feb 2024 13:45:30 +0100
Subject: [PATCH] sync upstream lib cppmyth 2.17.3

---
 lib/cppmyth/CMakeLists.txt                  |  2 +-
 lib/cppmyth/src/mythsharedptr.cpp           |  5 +----
 lib/cppmyth/src/private/os/threads/atomic.h |  2 ++
 lib/cppmyth/src/private/os/threads/latch.h  | 11 +++++------
 4 files changed, 9 insertions(+), 11 deletions(-)

diff --git a/lib/cppmyth/CMakeLists.txt b/lib/cppmyth/CMakeLists.txt
index 099bc798..9e3a5bd8 100644
--- a/lib/cppmyth/CMakeLists.txt
+++ b/lib/cppmyth/CMakeLists.txt
@@ -15,7 +15,7 @@ endif ()
 # set lib version here
 set (PACKAGE_VERSION_MAJOR 2)
 set (PACKAGE_VERSION_MINOR 17)
-set (PACKAGE_VERSION_PATCH 2)
+set (PACKAGE_VERSION_PATCH 3)
 
 set (PACKAGE_VERSION ${PACKAGE_VERSION_MAJOR}.${PACKAGE_VERSION_MINOR}.${PACKAGE_VERSION_PATCH})
 set (PACKAGE_LIB_SOVERSION ${PACKAGE_VERSION_MAJOR})
diff --git a/lib/cppmyth/src/mythsharedptr.cpp b/lib/cppmyth/src/mythsharedptr.cpp
index 1fc44beb..f0cae0af 100644
--- a/lib/cppmyth/src/mythsharedptr.cpp
+++ b/lib/cppmyth/src/mythsharedptr.cpp
@@ -19,11 +19,8 @@
  *
  */
 
-#include "local_config.h"
-#include "private/os/threads/atomic.h"
-#include "private/os/threads/latch.h"
-#include "private/os/threads/threadpool.h"
 #include "mythsharedptr.h"
+#include "private/os/threads/atomic.h"
 
 using namespace Myth;
 
diff --git a/lib/cppmyth/src/private/os/threads/atomic.h b/lib/cppmyth/src/private/os/threads/atomic.h
index 8057d7d3..996392d0 100644
--- a/lib/cppmyth/src/private/os/threads/atomic.h
+++ b/lib/cppmyth/src/private/os/threads/atomic.h
@@ -20,6 +20,8 @@
  *
  */
 
+#include "../os.h"
+
 #if __cplusplus >= 201103L
 
 #include <atomic>
diff --git a/lib/cppmyth/src/private/os/threads/latch.h b/lib/cppmyth/src/private/os/threads/latch.h
index c3ce60bb..77b6dd4a 100644
--- a/lib/cppmyth/src/private/os/threads/latch.h
+++ b/lib/cppmyth/src/private/os/threads/latch.h
@@ -23,8 +23,6 @@
 #include "os-threads.h"
 #include "atomic.h"
 
-#define latch_bucket_count 64
-
 #ifdef NSROOT
 namespace NSROOT {
 #endif
@@ -89,11 +87,12 @@ namespace OS
 
     void spin_lock()
     {
-      for (;;)
+      while (s_spin.increment() != 1)
       {
-        if (s_spin.load() == 0 && s_spin.increment() == 1)
-          break;
-        sched_yield();
+        do
+        {
+          sched_yield();
+        } while (s_spin.load() != 0);
       }
     }
     void spin_unlock() { s_spin.store(0); }