Fix nptl build for mips

[uclinux-h8/uclibc-ng.git] / libpthread / nptl / sysdeps / mips / tls.h

diff --git a/libpthread/nptl/sysdeps/mips/tls.h b/libpthread/nptl/sysdeps/mips/tls.h
index 0a83ac6..27b1c15 100644 (file)
--- a/libpthread/nptl/sysdeps/mips/tls.h
+++ b/libpthread/nptl/sysdeps/mips/tls.h
@@ -1,5 +1,5 @@
 /* Definition for thread-local data handling.  NPTL/MIPS version.
-   Copyright (C) 2005 Free Software Foundation, Inc.
+   Copyright (C) 2005, 2007 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -153,6 +153,28 @@ typedef struct
 /* l_tls_offset == 0 is perfectly valid on MIPS, so we have to use some
    different value to mean unset l_tls_offset.  */
 # define NO_TLS_OFFSET         -1
+/* Get and set the global scope generation counter in struct pthread.  */
+#define THREAD_GSCOPE_FLAG_UNUSED 0
+#define THREAD_GSCOPE_FLAG_USED   1
+#define THREAD_GSCOPE_FLAG_WAIT   2
+#define THREAD_GSCOPE_RESET_FLAG() \
+  do                                                                        \
+    { int __res                                                                     \
+       = atomic_exchange_rel (&THREAD_SELF->header.gscope_flag,             \
+                              THREAD_GSCOPE_FLAG_UNUSED);                   \
+      if (__res == THREAD_GSCOPE_FLAG_WAIT)                                 \
+       lll_futex_wake (&THREAD_SELF->header.gscope_flag, 1, LLL_PRIVATE);   \
+    }                                                                       \
+  while (0)
+#define THREAD_GSCOPE_SET_FLAG() \
+  do                                                                        \
+    {                                                                       \
+      THREAD_SELF->header.gscope_flag = THREAD_GSCOPE_FLAG_USED;            \
+      atomic_write_barrier ();                                              \
+    }                                                                       \
+  while (0)
+#define THREAD_GSCOPE_WAIT() \
+  GL(dl_wait_lookup_done) ()
 
 #endif /* __ASSEMBLER__ */