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| author | Ulrich Drepper <drepper@redhat.com> | 2007-05-28 16:42:08 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2007-05-28 16:42:08 +0000 |
| commit | 991fa82be561407e9cfb42a328b2b56d5a9debf1 (patch) | |
| tree | 5c72afab34fe26f8dd035bd7dc761f9addc2ab94 /nptl/sysdeps/s390 | |
| parent | cd0dbd89441dc1fc88a3b5d7d638b03c2a62e17c (diff) | |
| download | glibc-991fa82be561407e9cfb42a328b2b56d5a9debf1.tar.gz glibc-991fa82be561407e9cfb42a328b2b56d5a9debf1.tar.xz glibc-991fa82be561407e9cfb42a328b2b56d5a9debf1.zip | |
* sysdeps/i386/tls.h (THREAD_GSCOPE_RESET_FLAG): Use explicit
insn suffix. (THREAD_GSCOPE_GET_FLAG): Remove. * sysdeps/x86_64/tls.h (THREAD_GSCOPE_GET_FLAG): Remove. * allocatestack.c (__wait_lookup_done): Revert 2007-05-24 changes. * sysdeps/powerpc/tls.h (tcbhead_t): Remove gscope_flag. (THREAD_GSCOPE_GET_FLAG): Remove. (THREAD_GSCOPE_RESET_FLAG): Use THREAD_SELF->header.gscope_flag instead of THREAD_GSCOPE_GET_FLAG. (THREAD_GSCOPE_SET_FLAG): Likewise. Add atomic_write_barrier after it. * sysdeps/s390/tls.h (THREAD_GSCOPE_FLAG_UNUSED, THREAD_GSCOPE_FLAG_USED, THREAD_GSCOPE_FLAG_WAIT, THREAD_GSCOPE_RESET_FLAG, THREAD_GSCOPE_SET_FLAG, THREAD_GSCOPE_WAIT): Define. * sysdeps/sparc/tls.h (THREAD_GSCOPE_FLAG_UNUSED, THREAD_GSCOPE_FLAG_USED, THREAD_GSCOPE_FLAG_WAIT, THREAD_GSCOPE_RESET_FLAG, THREAD_GSCOPE_SET_FLAG, THREAD_GSCOPE_WAIT): Define. * sysdeps/sh/tls.h (THREAD_GSCOPE_FLAG_UNUSED, THREAD_GSCOPE_FLAG_USED, THREAD_GSCOPE_FLAG_WAIT, THREAD_GSCOPE_RESET_FLAG, THREAD_GSCOPE_SET_FLAG, THREAD_GSCOPE_WAIT): Define. * sysdeps/ia64/tls.h (THREAD_GSCOPE_FLAG_UNUSED, THREAD_GSCOPE_FLAG_USED, THREAD_GSCOPE_FLAG_WAIT, THREAD_GSCOPE_RESET_FLAG, THREAD_GSCOPE_SET_FLAG, THREAD_GSCOPE_WAIT): Define. 2007-05-24 Richard Henderson <rth@redhat.com> * descr.h (struct pthread): Add header.gscope_flag. * sysdeps/alpha/tls.h (THREAD_GSCOPE_FLAG_UNUSED, THREAD_GSCOPE_FLAG_USED, THREAD_GSCOPE_FLAG_WAIT, THREAD_GSCOPE_RESET_FLAG, THREAD_GSCOPE_SET_FLAG, THREAD_GSCOPE_WAIT): Define.
Diffstat (limited to 'nptl/sysdeps/s390')
| -rw-r--r-- | nptl/sysdeps/s390/tls.h | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/nptl/sysdeps/s390/tls.h b/nptl/sysdeps/s390/tls.h index 6f6f17b975..de8a81bd09 100644 --- a/nptl/sysdeps/s390/tls.h +++ b/nptl/sysdeps/s390/tls.h @@ -1,5 +1,5 @@ /* Definition for thread-local data handling. NPTL/s390 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 @@ -27,6 +27,7 @@ # include <stdint.h> # include <stdlib.h> # include <list.h> +# include <kernel-features.h> /* Type for the dtv. */ @@ -50,6 +51,10 @@ typedef struct int multiple_threads; uintptr_t sysinfo; uintptr_t stack_guard; + int gscope_flag; +#ifndef __ASSUME_PRIVATE_FUTEX + int private_futex; +#endif } tcbhead_t; # ifndef __s390x__ @@ -168,6 +173,29 @@ typedef struct #define THREAD_SET_POINTER_GUARD(value) #define THREAD_COPY_POINTER_GUARD(descr) +/* 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 */ |