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authorEric Andersen <andersen@codepoet.org>2001-11-14 06:46:51 +0000
committerEric Andersen <andersen@codepoet.org>2001-11-14 06:46:51 +0000
commit40f41cdcdbd34179b696a7466344524e2d0c0222 (patch)
tree75a5c872540c9b38c48b2a4c7bc7f235a29614aa /libc/sysdeps/linux
parente8e2384f2ed57515873b81914c2999735856b02e (diff)
Initial first (lame) pass at making a pthreads library. This
works for me when linking staticly on x86.
Diffstat (limited to 'libc/sysdeps/linux')
-rw-r--r--libc/sysdeps/linux/i386/bits/initspin.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/i386/bits/initspin.h b/libc/sysdeps/linux/i386/bits/initspin.h
new file mode 100644
index 000000000..af19d44e6
--- /dev/null
+++ b/libc/sysdeps/linux/i386/bits/initspin.h
@@ -0,0 +1,28 @@
+/* Generic definitions for spinlock initializers.
+ Copyright (C) 2000, 2001 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
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/* Initial value of a spinlock. Most platforms should use zero,
+ unless they only implement a "test and clear" operation instead of
+ the usual "test and set". */
+#define __LT_SPINLOCK_INIT 0
+
+/* Macros for lock initializers, using the above definition. */
+#define __LOCK_INITIALIZER { 0, __LT_SPINLOCK_INIT }
+#define __ALT_LOCK_INITIALIZER { 0, __LT_SPINLOCK_INIT }
+#define __ATOMIC_INITIALIZER { 0, __LT_SPINLOCK_INIT }