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(THREAD_GSCOPE_FLAG_UNUSED, THREAD_GSCOPE_FLAG_USED, THREAD_GSCOPE_FLAG_WAIT,

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THREAD_GSCOPE_RESET_FLAG, THREAD_GSCOPE_SET_FLAG,
THREAD_GSCOPE_WAIT): Define.
This commit is contained in:
Ulrich Drepper 2007-05-28 16:40:52 +00:00
parent 92fa63ee30
commit 6f02480c59
1 changed files with 24 additions and 1 deletions
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25
sysdeps/alpha/nptl/tls.h
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@ -1,5 +1,5 @@
/* Definition for thread-local data handling. NPTL/Alpha version.
Copyright (C) 2003, 2005, 2006 Free Software Foundation, Inc.
Copyright (C) 2003, 2005, 2006, 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
@ -121,6 +121,29 @@ typedef struct
#define THREAD_SETMEM_NC(descr, member, idx, value) \
descr->member[idx] = (value)
/* 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); \
} \
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__ */
#endif /* tls.h */