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| author | Ulrich Drepper <drepper@redhat.com> | 2003-03-11 01:01:24 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2003-03-11 01:01:24 +0000 |
| commit | ec06436c5b64512d108f63d4d7c3456fced2d503 (patch) | |
| tree | f3c4a9c53be213b08d5e7877186192f381a248a6 /nptl/sysdeps/unix/sysv/linux/x86_64/libc-lowlevellock.S | |
| parent | 3273832c67441e2edf8e5b2e4262533c5748aca1 (diff) | |
| download | glibc-ec06436c5b64512d108f63d4d7c3456fced2d503.tar.gz glibc-ec06436c5b64512d108f63d4d7c3456fced2d503.tar.xz glibc-ec06436c5b64512d108f63d4d7c3456fced2d503.zip | |
Update.
* sysdeps/unix/sysv/linux/x86_64/lowlevellock.h (__lll_lock_wait): Reverse order of parameters. (__lll_timedwait_tid): Remove regparms attribute. * sysdeps/unix/sysv/linux/x86_64/lowlevellock.S: New file. * sysdeps/unix/sysv/linux/x86_64/libc-lowlevellock.S: New file.
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/x86_64/libc-lowlevellock.S')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/x86_64/libc-lowlevellock.S | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/libc-lowlevellock.S b/nptl/sysdeps/unix/sysv/linux/x86_64/libc-lowlevellock.S new file mode 100644 index 0000000000..2128f1b22e --- /dev/null +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/libc-lowlevellock.S @@ -0,0 +1,30 @@ +/* Copyright (C) 2002, 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +/* In libc.so we do not unconditionally use the lock prefix. Only if + the application is using threads. */ +#ifndef UP +# define LOCK \ + cmpl $0, __libc_multiple_threads_ptr(%rip); \ + je 0f; \ + lock; \ +0: +#endif + +#include "lowlevellock.S" |