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-rw-r--r--nptl/pthread_attr_destroy.c9
-rw-r--r--nptl/pthread_attr_init.c4
-rw-r--r--nptl/sysdeps/unix/sysv/linux/internaltypes.h1
3 files changed, 13 insertions, 1 deletions
diff --git a/nptl/pthread_attr_destroy.c b/nptl/pthread_attr_destroy.c
index a04f5fe441..73cba1da01 100644
--- a/nptl/pthread_attr_destroy.c
+++ b/nptl/pthread_attr_destroy.c
@@ -22,7 +22,7 @@
 #include <string.h>
 #include <unistd.h>
 #include "pthreadP.h"
-
+#include <shlib-compat.h>
 
 int
 __pthread_attr_destroy (attr)
@@ -33,6 +33,13 @@ __pthread_attr_destroy (attr)
   assert (sizeof (*attr) >= sizeof (struct pthread_attr));
   iattr = (struct pthread_attr *) attr;
 
+#if SHLIB_COMPAT(libpthread, GLIBC_2_0, GLIBC_2_1)
+  /* In old struct pthread_attr, neither next nor cpuset are
+     present.  */
+  if (__builtin_expect ((iattr->flags & ATTR_FLAG_OLDATTR), 0))
+    return 0;
+#endif
+
   /* Enqueue the attributes to the list of all known variables.  */
   if (DEBUGGING_P)
     {
diff --git a/nptl/pthread_attr_init.c b/nptl/pthread_attr_init.c
index b202d46bd3..b1242d318f 100644
--- a/nptl/pthread_attr_init.c
+++ b/nptl/pthread_attr_init.c
@@ -80,12 +80,16 @@ __pthread_attr_init_2_0 (attr)
     int inheritsched;
     int scope;
   };
+  struct pthread_attr *iattr;
 
   /* Many elements are initialized to zero so let us do it all at
      once.  This also takes care of clearing the bytes which are not
      internally used.  */
   memset (attr, '\0', sizeof (struct old_attr));
 
+  iattr = (struct pthread_attr *) attr;
+  iattr->flags |= ATTR_FLAG_OLDATTR;
+
   /* We cannot enqueue the attribute because that member is not in the
      old attribute structure.  */
   return 0;
diff --git a/nptl/sysdeps/unix/sysv/linux/internaltypes.h b/nptl/sysdeps/unix/sysv/linux/internaltypes.h
index e2f7b047f1..39afb32aac 100644
--- a/nptl/sysdeps/unix/sysv/linux/internaltypes.h
+++ b/nptl/sysdeps/unix/sysv/linux/internaltypes.h
@@ -47,6 +47,7 @@ struct pthread_attr
 #define ATTR_FLAG_NOTINHERITSCHED	0x0002
 #define ATTR_FLAG_SCOPEPROCESS		0x0004
 #define ATTR_FLAG_STACKADDR		0x0008
+#define ATTR_FLAG_OLDATTR		0x0010
 
 
 /* Mutex attribute data structure.  */