2 files changed, 42 insertions, 3 deletions
diff --git a/tests/src/Exceptions/ForeignThread/CMakeLists.txt b/tests/src/Exceptions/ForeignThread/CMakeLists.txt
index 66d249c739..a8ab5a12a6 100644
--- a/tests/src/Exceptions/ForeignThread/CMakeLists.txt
+++ b/tests/src/Exceptions/ForeignThread/CMakeLists.txt
@@ -11,6 +11,10 @@ endif(CLR_CMAKE_PLATFORM_DARWIN)
 
 set(SOURCES ForeignThreadExceptionsNative.cpp)
 
+if(NOT WIN32)
+add_compile_options(-pthread)
+endif()
+
 # add the executable
 add_library (ForeignThreadExceptionsNative SHARED ${SOURCES})
 
diff --git a/tests/src/Exceptions/ForeignThread/ForeignThreadExceptionsNative.cpp b/tests/src/Exceptions/ForeignThread/ForeignThreadExceptionsNative.cpp
index 67a92e30e9..546935b6d6 100644
--- a/tests/src/Exceptions/ForeignThread/ForeignThreadExceptionsNative.cpp
+++ b/tests/src/Exceptions/ForeignThread/ForeignThreadExceptionsNative.cpp
@@ -3,11 +3,16 @@
 // See the LICENSE file in the project root for more information.
 
 #include "stdio.h"
+#include <stdlib.h>
 
+#ifdef _WIN32
 #pragma warning(push)
 #pragma warning(disable:4265 4577)
- #include <thread>
+#include <thread>
 #pragma warning(pop)
+#else // _WIN32
+#include <pthread.h>
+#endif // _WIN32
 
 // Work around typedef redefinition: platformdefines.h defines error_t
 // as unsigned while it's defined as int in errno.h.
@@ -16,14 +21,44 @@
 #undef error_t
 
 typedef void (*PFNACTION1)();
-
 extern "C" DLL_EXPORT void InvokeCallback(PFNACTION1 callback)
 {
     callback();
 }
 
+#ifndef _WIN32
+void* InvokeCallbackUnix(void* callback)
+{
+    InvokeCallback((PFNACTION1)callback);
+    return NULL;
+}
+
+#define AbortIfFail(st) if (st != 0) abort()
+
+#endif // !_WIN32
+
 extern "C" DLL_EXPORT void InvokeCallbackOnNewThread(PFNACTION1 callback)
 {
+#ifdef _WIN32
     std::thread t1(InvokeCallback, callback);
     t1.join();
-}
-\ No newline at end of file
+#else // _WIN32
+    // For Unix, we need to use pthreads to create the thread so that we can set its stack size.
+    // We need to set the stack size due to the very small (80kB) default stack size on MUSL
+    // based Linux distros.
+    pthread_attr_t attr;
+    int st = pthread_attr_init(&attr);
+    AbortIfFail(st);
+
+    // set stack size to 1.5MB
+    st = pthread_attr_setstacksize(&attr, 0x180000);
+    AbortIfFail(st);
+
+    pthread_t t;
+    st = pthread_create(&t, &attr, InvokeCallbackUnix, (void*)callback);
+    AbortIfFail(st);
+
+    st = pthread_join(t, NULL);
+    AbortIfFail(st);
+#endif // _WIN32
+}