Add a method to set the running thread's name

Alc/helpers.c

@@ -269,6 +269,44 @@ void RestoreFPUMode(const FPUCtl *ctl)
 }
 
 
+void SetThreadName(const char *name)
+{
+#if defined(HAVE_PTHREAD_SETNAME_NP)
+#if defined(__GNUC__)
+    if(pthread_setname_np(pthread_self(), name) != 0)
+#elif defined(__APPLE__)
+    if(pthread_setname_np(name) != 0)
+#endif
+        ERR("Failed to set thread name to \"%s\": %s\n", name, strerror(errno));
+#elif defined(HAVE_PTHREAD_SET_NAME_NP)
+    pthread_set_name_np(pthread_self(), name);
+#elif defined(_MSC_VER)
+#define MS_VC_EXCEPTION 0x406D1388
+    struct {
+        DWORD dwType;     // Must be 0x1000.
+        LPCSTR szName;    // Pointer to name (in user addr space).
+        DWORD dwThreadID; // Thread ID (-1=caller thread).
+        DWORD dwFlags;    // Reserved for future use, must be zero.
+    } info;
+    info.dwType = 0x1000;
+    info.szName = name;
+    info.dwThreadID = -1;
+    info.dwFlags = 0;
+
+    __try
+    {
+        RaiseException(MS_VC_EXCEPTION, 0, sizeof(info)/sizeof(DWORD), (DWORD*)&info);
+    }
+    __except(EXCEPTION_CONTINUE_EXECUTION)
+    {
+    }
+#undef MS_VC_EXCEPTION
+#else
+    WARN("Can't set thread name to \"%s\"\n", name);
+#endif
+}
+
+
 #ifdef _WIN32
 void pthread_once(pthread_once_t *once, void (*callback)(void))
 {

CMakeLists.txt

@@ -418,21 +418,29 @@ IF(NOT HAVE_WINDOWS_H)
     # Some systems need pthread_np.h to get recursive mutexes
     CHECK_INCLUDE_FILES("pthread.h;pthread_np.h" HAVE_PTHREAD_NP_H)
 
-    CHECK_SYMBOL_EXISTS(pthread_setschedparam pthread.h HAVE_PTHREAD_SETSCHEDPARAM)
-
     CHECK_C_COMPILER_FLAG(-pthread HAVE_PTHREAD)
     IF(HAVE_PTHREAD)
         ADD_DEFINITIONS(-pthread)
+        SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -pthread")
         SET(EXTRA_LIBS ${EXTRA_LIBS} -pthread)
     ENDIF()
 
     # _GNU_SOURCE is needed on some systems for extra attributes
     ADD_DEFINITIONS(-D_GNU_SOURCE=1)
+    SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -D_GNU_SOURCE=1")
+
     CHECK_LIBRARY_EXISTS(pthread pthread_create "" HAVE_LIBPTHREAD)
     IF(HAVE_LIBPTHREAD)
         SET(EXTRA_LIBS pthread ${EXTRA_LIBS})
     ENDIF()
 
+    CHECK_SYMBOL_EXISTS(pthread_setschedparam pthread.h HAVE_PTHREAD_SETSCHEDPARAM)
+
+    CHECK_SYMBOL_EXISTS(pthread_setname_np pthread.h HAVE_PTHREAD_SETNAME_NP)
+    IF(NOT HAVE_PTHREAD_SETNAME_NP)
+        CHECK_SYMBOL_EXISTS(pthread_set_name_np pthread.h HAVE_PTHREAD_SET_NAME_NP)
+    ENDIF()
+
     CHECK_LIBRARY_EXISTS(rt clock_gettime "" HAVE_LIBRT)
     IF(HAVE_LIBRT)
         SET(EXTRA_LIBS rt ${EXTRA_LIBS})

OpenAL32/Include/alMain.h

@@ -813,6 +813,8 @@ void RestoreFPUMode(const FPUCtl *ctl);
 ALvoid *StartThread(ALuint (*func)(ALvoid*), ALvoid *ptr);
 ALuint StopThread(ALvoid *thread);
 
+void SetThreadName(const char *name);
+
 typedef struct RingBuffer RingBuffer;
 RingBuffer *CreateRingBuffer(ALsizei frame_size, ALsizei length);
 void DestroyRingBuffer(RingBuffer *ring);

config.h.in

@@ -139,3 +139,9 @@
 
 /* Define if we have pthread_setschedparam() */
 #cmakedefine HAVE_PTHREAD_SETSCHEDPARAM
+
+/* Define if we have pthread_setname_np() */
+#cmakedefine HAVE_PTHREAD_SETNAME_NP
+
+/* Define if we have pthread_set_name_np() */
+#cmakedefine HAVE_PTHREAD_SET_NAME_NP