about summary refs log tree commit diff
path: root/nptl/sysdeps/unix/sysv/linux/x86_64/bits
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>2005-12-27 01:04:06 +0000
committerUlrich Drepper <drepper@redhat.com>2005-12-27 01:04:06 +0000
commit1bcfb5a5eb1c25b64a329c1edf6bcfb440cdbc93 (patch)
treeefa74fd1d0c2f6fccda616328a7b432ffdc6ba92 /nptl/sysdeps/unix/sysv/linux/x86_64/bits
parent08f60b258ec9d9a24275831941a6f559eb26580e (diff)
downloadglibc-1bcfb5a5eb1c25b64a329c1edf6bcfb440cdbc93.tar.gz
glibc-1bcfb5a5eb1c25b64a329c1edf6bcfb440cdbc93.tar.xz
glibc-1bcfb5a5eb1c25b64a329c1edf6bcfb440cdbc93.zip
* Versions.def: Add GLIBC_2.4 for libpthread. cvs/fedora-glibc-20051227T1426
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/x86_64/bits')
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/bits/pthreadtypes.h15
1 files changed, 12 insertions, 3 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/bits/pthreadtypes.h b/nptl/sysdeps/unix/sysv/linux/x86_64/bits/pthreadtypes.h
index 7f1ace693c..3eb33a8646 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/bits/pthreadtypes.h
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/bits/pthreadtypes.h
@@ -59,7 +59,7 @@ typedef union
 
 /* Data structures for mutex handling.  The structure of the attribute
    type is not exposed on purpose.  */
-typedef union
+typedef union __pthread_mutex_u
 {
   struct
   {
@@ -72,10 +72,19 @@ typedef union
     /* KIND must stay at this position in the structure to maintain
        binary compatibility.  */
     int __kind;
-#if __WORDSIZE != 64
+#if __WORDSIZE == 64
+    int __spins;
+    union __pthread_mutex_u *__next;
+    union __pthread_mutex_u *__prev;
+# define __PTHREAD_MUTEX_HAVE_PREV	1
+#else
     unsigned int __nusers;
+    union
+    {
+      int __spins;
+      union __pthread_mutex_u *__next;
+    };
 #endif
-    int __spins;
   } __data;
   char __size[__SIZEOF_PTHREAD_MUTEX_T];
   long int __align;