diff options
Diffstat (limited to 'linuxthreads/sysdeps')
| -rw-r--r-- | linuxthreads/sysdeps/alpha/pt-machine.h | 4 | ||||
| -rw-r--r-- | linuxthreads/sysdeps/sparc/sparc64/pt-machine.h | 5 |
2 files changed, 7 insertions, 2 deletions
diff --git a/linuxthreads/sysdeps/alpha/pt-machine.h b/linuxthreads/sysdeps/alpha/pt-machine.h index 25ba634528..99c9bb6b28 100644 --- a/linuxthreads/sysdeps/alpha/pt-machine.h +++ b/linuxthreads/sysdeps/alpha/pt-machine.h @@ -1,6 +1,6 @@ /* Machine-dependent pthreads configuration and inline functions. Alpha version. - Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc. + Copyright (C) 1996, 1997, 1998, 2000 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Richard Henderson <rth@tamu.edu>. @@ -34,6 +34,8 @@ register char *stack_pointer __asm__("$30"); /* Memory barrier; default is to do nothing */ #define MEMORY_BARRIER() __asm__ __volatile__("mb" : : : "memory") +/* Write barrier. */ +#define WRITE_MEMORY_BARRIER() __asm__ __volatile__("wmb" : : : "memory") /* Spinlock implementation; required. */ diff --git a/linuxthreads/sysdeps/sparc/sparc64/pt-machine.h b/linuxthreads/sysdeps/sparc/sparc64/pt-machine.h index 02167bd601..e22f4fed3c 100644 --- a/linuxthreads/sysdeps/sparc/sparc64/pt-machine.h +++ b/linuxthreads/sysdeps/sparc/sparc64/pt-machine.h @@ -1,6 +1,6 @@ /* Machine-dependent pthreads configuration and inline functions. Sparc v9 version. - Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc. + Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Richard Henderson <rth@tamu.edu>. @@ -41,6 +41,9 @@ testandset (int *spinlock) /* FIXME: is stbar OK, or should we use the more general membar instruction? If so, which mode to pass to membar? */ #define MEMORY_BARRIER() __asm__ __volatile__("stbar" : : : "memory") +/* Write barrier. */ +#define WRITE_MEMORY_BARRIER() \ + __asm__ __volatile__("membar #StoreLoad | #StoreStore" : : : "memory") /* Get some notion of the current stack. Need not be exactly the top |