Added SYSDEPS_GetUnixTid to return the Unix thread id to send to the

configure

@@ -13249,8 +13249,10 @@ fi
 
 
 
+
 for ac_func in \
 	_lwp_create \
+	_lwp_self \
 	_pclose \
 	_popen \
 	_snprintf \

configure.ac

@@ -943,6 +943,7 @@ dnl **** Check for functions ****
 AC_FUNC_ALLOCA()
 AC_CHECK_FUNCS(\
 	_lwp_create \
+	_lwp_self \
 	_pclose \
 	_popen \
 	_snprintf \

include/config.h.in

@@ -677,6 +677,9 @@
 /* Define to 1 if you have the `_lwp_create' function. */
 #undef HAVE__LWP_CREATE
 
+/* Define to 1 if you have the `_lwp_self' function. */
+#undef HAVE__LWP_SELF
+
 /* Define to 1 if you have the `_pclose' function. */
 #undef HAVE__PCLOSE
 

include/thread.h

@@ -147,6 +147,7 @@ extern TEB *THREAD_IdToTEB( DWORD id );
 /* scheduler/sysdeps.c */
 extern int SYSDEPS_SpawnThread( TEB *teb );
 extern void SYSDEPS_SetCurThread( TEB *teb );
+extern int SYSDEPS_GetUnixTid(void);
 extern void SYSDEPS_InitErrno(void);
 extern void DECLSPEC_NORETURN SYSDEPS_ExitThread( int status );
 extern void DECLSPEC_NORETURN SYSDEPS_AbortThread( int status );

scheduler/client.c

@@ -694,7 +694,7 @@ void CLIENT_InitThread(void)
     SERVER_START_REQ( init_thread )
     {
         req->unix_pid    = getpid();
-        req->unix_tid    = -1;
+        req->unix_tid    = SYSDEPS_GetUnixTid();
         req->teb         = teb;
         req->entry       = teb->entry_point;
         req->reply_fd    = reply_pipe[1];

scheduler/sysdeps.c

@@ -317,6 +317,25 @@ void SYSDEPS_AbortThread( int status )
         _exit( status );
 }
 
+/***********************************************************************
+ *           SYSDEPS_GetUnixTid
+ *
+ * Get the Unix tid of the current thread.
+ */
+int SYSDEPS_GetUnixTid(void)
+{
+#ifdef HAVE__LWP_SELF
+    return _lwp_self();
+#elif defined(__linux__) && defined(__i386__)
+    int ret;
+    __asm__("int $0x80" : "=a" (ret) : "0" (224) /* SYS_gettid */);
+    if (ret < 0) ret = -1;
+    return ret;
+#else
+    return -1;
+#endif
+}
+
 
 /* default errno before threading is initialized */
 static int *default_errno_location(void)