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| author | Jakub Jelinek <jakub@redhat.com> | 2007-07-31 13:33:18 +0000 |
|---|---|---|
| committer | Jakub Jelinek <jakub@redhat.com> | 2007-07-31 13:33:18 +0000 |
| commit | 32c075e1f01849e161724bbd400ba77244e482cc (patch) | |
| tree | 5f083a3f352104f32bb6c902d57fa3f294bd8d4d /nptl/sysdeps/ia64 | |
| parent | d6220e9ee38c1c9285221b023346201ec5f511b3 (diff) | |
| download | glibc-32c075e1f01849e161724bbd400ba77244e482cc.zip glibc-32c075e1f01849e161724bbd400ba77244e482cc.tar.gz glibc-32c075e1f01849e161724bbd400ba77244e482cc.tar.bz2 | |
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Diffstat (limited to 'nptl/sysdeps/ia64')
| -rw-r--r-- | nptl/sysdeps/ia64/pthread_spin_unlock.c | 4 | ||||
| -rw-r--r-- | nptl/sysdeps/ia64/tls.h | 28 |
2 files changed, 29 insertions, 3 deletions
diff --git a/nptl/sysdeps/ia64/pthread_spin_unlock.c b/nptl/sysdeps/ia64/pthread_spin_unlock.c index 50d9c5f..6232764 100644 --- a/nptl/sysdeps/ia64/pthread_spin_unlock.c +++ b/nptl/sysdeps/ia64/pthread_spin_unlock.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2003, 2006 Free Software Foundation, Inc. +/* Copyright (C) 2003 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Jakub Jelinek <jakub@redhat.com>, 2003. @@ -23,6 +23,6 @@ int pthread_spin_unlock (pthread_spinlock_t *lock) { - __sync_lock_release ((int *) lock); + __sync_lock_release_si ((int *) lock); return 0; } diff --git a/nptl/sysdeps/ia64/tls.h b/nptl/sysdeps/ia64/tls.h index 22a8b08..a43f096 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 @@ -61,6 +61,9 @@ register struct pthread *__thread_self __asm__("r13"); # error "TLS support is required." #endif +/* Signal that TLS support is available. */ +#define USE_TLS 1 + /* Alignment requirement for the stack. */ #define STACK_ALIGN 16 @@ -163,6 +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 */ |