/* Definition for thread-local data handling. NPTL/Alpha version.
- Copyright (C) 2003 Free Software Foundation, Inc.
+ Copyright (C) 2003, 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
# include <dl-sysdep.h>
#ifndef __ASSEMBLER__
+# include <stdbool.h>
# include <stddef.h>
# include <stdint.h>
typedef union dtv
{
size_t counter;
- void *pointer;
+ struct
+ {
+ void *val;
+ bool is_static;
+ } pointer;
} dtv_t;
#else /* __ASSEMBLER__ */
typedef struct
{
dtv_t *dtv;
- void *private;
+ void *__private;
} tcbhead_t;
/* This is the size of the initial TCB. */
#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 */