diff options
| author | Ulrich Drepper <drepper@redhat.com> | 2007-05-25 05:24:16 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2007-05-25 05:24:16 +0000 |
| commit | 86acd5963441f4bfc087ceca8c30f8d72c6a5fa6 (patch) | |
| tree | 1acc784992aafa1c297cc98232d609166f57d306 | |
| parent | 0a54ab53f2bbbd380b019dc665047fb3acf37e3a (diff) | |
| download | glibc-86acd5963441f4bfc087ceca8c30f8d72c6a5fa6.tar.gz | |
* sysdeps/i386/tls.h (THREAD_SET_PRIVATE_FUTEX,
THREAD_COPY_PRIVATE_FUTEX): Define.
* sysdeps/x86_64/tls.h (THREAD_SET_PRIVATE_FUTEX,
THREAD_COPY_PRIVATE_FUTEX): Define.
* allocatestack.c (allocate_stack): Use THREAD_COPY_PRIVATE_FUTEX.
* init.c (__pthread_initialize_minimal_internal): Use
THREAD_SET_PRIVATE_FUTEX.
| -rw-r--r-- | nptl/ChangeLog | 10 | ||||
| -rw-r--r-- | nptl/allocatestack.c | 10 | ||||
| -rw-r--r-- | nptl/init.c | 4 | ||||
| -rw-r--r-- | nptl/sysdeps/i386/tls.h | 9 | ||||
| -rw-r--r-- | nptl/sysdeps/x86_64/tls.h | 7 |
5 files changed, 31 insertions, 9 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog index 50042d6927..4ebc708733 100644 --- a/nptl/ChangeLog +++ b/nptl/ChangeLog @@ -1,4 +1,12 @@ -2007-05-24 Jakub Jelinek <jakub@redhat.com> +2007-04-24 Jakub Jelinek <jakub@redhat.com> + + * sysdeps/i386/tls.h (THREAD_SET_PRIVATE_FUTEX, + THREAD_COPY_PRIVATE_FUTEX): Define. + * sysdeps/x86_64/tls.h (THREAD_SET_PRIVATE_FUTEX, + THREAD_COPY_PRIVATE_FUTEX): Define. + * allocatestack.c (allocate_stack): Use THREAD_COPY_PRIVATE_FUTEX. + * init.c (__pthread_initialize_minimal_internal): Use + THREAD_SET_PRIVATE_FUTEX. * sysdeps/powerpc/tls.h (tcbhead_t): Add gscope_flag. (THREAD_GSCOPE_FLAG_UNUSED, THREAD_GSCOPE_FLAG_USED, diff --git a/nptl/allocatestack.c b/nptl/allocatestack.c index 9c9372b2a8..4ac04dbfa1 100644 --- a/nptl/allocatestack.c +++ b/nptl/allocatestack.c @@ -376,10 +376,9 @@ allocate_stack (const struct pthread_attr *attr, struct pthread **pdp, __pthread_multiple_threads = *__libc_multiple_threads_ptr = 1; #endif -#ifndef __ASSUME_PRIVATE_FUTEX +#ifdef THREAD_COPY_PRIVATE_FUTEX /* The thread must know when private futexes are supported. */ - pd->header.private_futex = THREAD_GETMEM (THREAD_SELF, - header.private_futex); + THREAD_COPY_PRIVATE_FUTEX (pd); #endif #ifdef NEED_DL_SYSINFO @@ -516,10 +515,9 @@ allocate_stack (const struct pthread_attr *attr, struct pthread **pdp, __pthread_multiple_threads = *__libc_multiple_threads_ptr = 1; #endif -#ifndef __ASSUME_PRIVATE_FUTEX +#ifdef THREAD_COPY_PRIVATE_FUTEX /* The thread must know when private futexes are supported. */ - pd->header.private_futex = THREAD_GETMEM (THREAD_SELF, - header.private_futex); + THREAD_COPY_PRIVATE_FUTEX (pd); #endif #ifdef NEED_DL_SYSINFO diff --git a/nptl/init.c b/nptl/init.c index ff81087d0c..03862a147f 100644 --- a/nptl/init.c +++ b/nptl/init.c @@ -276,7 +276,7 @@ __pthread_initialize_minimal_internal (void) #endif set_robust_list_not_avail (); -#ifndef __ASSUME_PRIVATE_FUTEX +#ifdef THREAD_SET_PRIVATE_FUTEX /* Private futexes are always used (at least internally) so that doing the test once this early is beneficial. */ { @@ -284,7 +284,7 @@ __pthread_initialize_minimal_internal (void) res = INTERNAL_SYSCALL (futex, err, 3, &word, FUTEX_WAKE | FUTEX_PRIVATE_FLAG, 1); if (!INTERNAL_SYSCALL_ERROR_P (res, err)) - THREAD_SETMEM (pd, header.private_futex, FUTEX_PRIVATE_FLAG); + THREAD_SET_PRIVATE_FUTEX (pd, FUTEX_PRIVATE_FLAG); } #endif diff --git a/nptl/sysdeps/i386/tls.h b/nptl/sysdeps/i386/tls.h index 41e4327b4a..90a8b50dad 100644 --- a/nptl/sysdeps/i386/tls.h +++ b/nptl/sysdeps/i386/tls.h @@ -459,6 +459,15 @@ union user_desc_init GL(dl_wait_lookup_done) () +#ifndef __ASSUME_PRIVATE_FUTEX +# define THREAD_SET_PRIVATE_FUTEX(value) \ + THREAD_SETMEM (THREAD_SELF, header.private_futex, value) +# define THREAD_COPY_PRIVATE_FUTEX(descr) \ + ((descr)->header.private_futex \ + = THREAD_GETMEM (THREAD_SELF, header.private_futex)) +#endif + + #endif /* __ASSEMBLER__ */ #endif /* tls.h */ diff --git a/nptl/sysdeps/x86_64/tls.h b/nptl/sysdeps/x86_64/tls.h index ab6efc47c3..cb3b474f97 100644 --- a/nptl/sysdeps/x86_64/tls.h +++ b/nptl/sysdeps/x86_64/tls.h @@ -364,6 +364,13 @@ typedef struct #define THREAD_GSCOPE_WAIT() \ GL(dl_wait_lookup_done) () +#ifndef __ASSUME_PRIVATE_FUTEX +# define THREAD_SET_PRIVATE_FUTEX(value) \ + THREAD_SETMEM (THREAD_SELF, header.private_futex, value) +# define THREAD_COPY_PRIVATE_FUTEX(descr) \ + ((descr)->header.private_futex \ + = THREAD_GETMEM (THREAD_SELF, header.private_futex)) +#endif #endif /* __ASSEMBLER__ */ |