diff options
Diffstat (limited to 'nptl/sysdeps/alpha/tls.h')
| -rw-r--r-- | nptl/sysdeps/alpha/tls.h | 34 |
1 files changed, 31 insertions, 3 deletions
diff --git a/nptl/sysdeps/alpha/tls.h b/nptl/sysdeps/alpha/tls.h index bc6630953f..07db15939d 100644 --- a/nptl/sysdeps/alpha/tls.h +++ b/nptl/sysdeps/alpha/tls.h @@ -1,5 +1,5 @@ /* 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 @@ -23,6 +23,7 @@ # include <dl-sysdep.h> #ifndef __ASSEMBLER__ +# include <stdbool.h> # include <stddef.h> # include <stdint.h> @@ -30,7 +31,11 @@ typedef union dtv { size_t counter; - void *pointer; + struct + { + void *val; + bool is_static; + } pointer; } dtv_t; #else /* __ASSEMBLER__ */ @@ -60,7 +65,7 @@ typedef union dtv typedef struct { dtv_t *dtv; - void *private; + void *__private; } tcbhead_t; /* This is the size of the initial TCB. */ @@ -119,6 +124,29 @@ 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 */ |