fix compilarion errors.

Author: treefrogframework

.github/workflows/actions.yml

@@ -364,7 +364,7 @@ jobs:
         vs-version: '[17,18)'  # 17.xx
         msbuild-architecture: x64
     - name: Install Qt
-      uses: jurplel/install-qt-action@v4
+      uses: jurplel/install-qt-action@v4.1
       with:
         version:      6.8.0
         host:         windows
@@ -414,7 +414,7 @@ jobs:
     steps:
     - uses: actions/checkout@main
     - name: Install Qt
-      uses: jurplel/install-qt-action@v4
+      uses: jurplel/install-qt-action@v4.1
       with:
         version:      6.8.0
         host:         windows
@@ -466,7 +466,7 @@ jobs:
     steps:
     - uses: actions/checkout@main
     - name: Install Qt
-      uses: jurplel/install-qt-action@v4
+      uses: jurplel/install-qt-action@v4.1
       with:
         version:      6.5.2
         host:         windows

src/tsharedmemory_linux.cpp

@@ -6,19 +6,26 @@
  */
 
 #include "tsharedmemory.h"
+#include <TSystemGlobal>
 #include <pthread.h>
+#include <errno.h>
 
 
-void TSharedMemory::initRwlock(header_t *header) const
+bool TSharedMemory::initRwlock(header_t *header) const
 {
+    int res = -1;
     pthread_rwlockattr_t attr;
 
-    int res = pthread_rwlockattr_init(&attr);
-    Q_ASSERT(!res);
-    res = pthread_rwlockattr_setpshared(&attr, PTHREAD_PROCESS_SHARED);  // Linux only
-    Q_ASSERT(!res);
-    res = pthread_rwlock_init(&header->rwlock, &attr);
-    Q_ASSERT(!res);
+    if (header) {
+        res = pthread_rwlockattr_init(&attr);
+        Q_ASSERT(!res);
+        res = pthread_rwlockattr_setpshared(&attr, PTHREAD_PROCESS_SHARED);  // Linux only
+        Q_ASSERT(!res);
+        if ((res = pthread_rwlock_init(&header->rwlock, &attr)) < 0) {
+            tSystemError("pthread_rwlock_init failed: {}", (const char*)strerror(errno));
+        }
+    }
+    return !res;
 }