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| author | Jakub Jelinek <jakub@redhat.com> | 2007-07-12 17:08:40 +0000 |
|---|---|---|
| committer | Jakub Jelinek <jakub@redhat.com> | 2007-07-12 17:08:40 +0000 |
| commit | a6778488dba0313ea73a4f871f2ae8e5223517e0 (patch) | |
| tree | 7333b44eb84e11f7271ebe4c34e94feedea0710c /nptl/sysdeps/ia64/tls.h | |
| parent | 8b6256b34923f0ad719179285676e84143eeb2c8 (diff) | |
| download | glibc-a6778488dba0313ea73a4f871f2ae8e5223517e0.tar.gz glibc-a6778488dba0313ea73a4f871f2ae8e5223517e0.tar.xz glibc-a6778488dba0313ea73a4f871f2ae8e5223517e0.zip | |
Updated to fedora-glibc-2_5-20070712T1701
Diffstat (limited to 'nptl/sysdeps/ia64/tls.h')
| -rw-r--r-- | nptl/sysdeps/ia64/tls.h | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/nptl/sysdeps/ia64/tls.h b/nptl/sysdeps/ia64/tls.h index 69101ad8c4..a43f096798 100644 --- a/nptl/sysdeps/ia64/tls.h +++ b/nptl/sysdeps/ia64/tls.h @@ -1,5 +1,5 @@ /* Definition for thread-local data handling. nptl/IA-64 version. - Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc. + Copyright (C) 2003, 2004, 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 @@ -166,6 +166,29 @@ register struct pthread *__thread_self __asm__("r13"); (((uintptr_t *) ((char *) (descr) + TLS_PRE_TCB_SIZE))[-2] \ = THREAD_GET_POINTER_GUARD ()) +/* 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 */ |