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| author | Ulrich Drepper <drepper@redhat.com> | 2004-03-23 10:01:06 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2004-03-23 10:01:06 +0000 |
| commit | e408880b8102768b2fb612a82589a143b04d6302 (patch) | |
| tree | d26a78a852532cd39bf83212f025a2a5b7659dc5 /linuxthreads/sysdeps | |
| parent | 16b06b70b58461cca36a4aa83559cb89385076ce (diff) | |
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Update.
2004-03-23 Ulrich Drepper <drepper@redhat.com>
* sysdeps/ia64/pt-machine.h (BUSY_WAIT_NOP): Define.
* sysdeps/x86_64/pt-machine.h (BUSY_WAIT_NOP): Likewise.
Diffstat (limited to 'linuxthreads/sysdeps')
| -rw-r--r-- | linuxthreads/sysdeps/ia64/pt-machine.h | 5 | ||||
| -rw-r--r-- | linuxthreads/sysdeps/x86_64/pt-machine.h | 5 |
2 files changed, 8 insertions, 2 deletions
diff --git a/linuxthreads/sysdeps/ia64/pt-machine.h b/linuxthreads/sysdeps/ia64/pt-machine.h index ee489a7fc0..a04ae81e2c 100644 --- a/linuxthreads/sysdeps/ia64/pt-machine.h +++ b/linuxthreads/sysdeps/ia64/pt-machine.h @@ -1,6 +1,6 @@ /* Machine-dependent pthreads configuration and inline functions. IA-64 version. - Copyright (C) 1999, 2000, 2002, 2003 Free Software Foundation, Inc. + Copyright (C) 1999, 2000, 2002, 2003, 2004 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 @@ -127,4 +127,7 @@ testandset (int *spinlock) return ret; } +/* Indicate that we are looping. */ +#define BUSY_WAIT_NOP __asm__ ("hint @pause") + #endif /* pt-machine.h */ diff --git a/linuxthreads/sysdeps/x86_64/pt-machine.h b/linuxthreads/sysdeps/x86_64/pt-machine.h index bd53069a78..68baac7d03 100644 --- a/linuxthreads/sysdeps/x86_64/pt-machine.h +++ b/linuxthreads/sysdeps/x86_64/pt-machine.h @@ -1,6 +1,6 @@ /* Machine-dependent pthreads configuration and inline functions. x86-64 version. - Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc. + Copyright (C) 2001, 2002, 2003, 2004 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 @@ -219,4 +219,7 @@ extern int __arch_prctl (int __code, unsigned long __addr); /* Maximum size of the stack if the rlimit is unlimited. */ #define ARCH_STACK_MAX_SIZE 32*1024*1024 +/* The ia32e really want some help to prevent overheating. */ +#define BUSY_WAIT_NOP __asm__ ("rep; nop") + #endif /* pt-machine.h */ |