Sync up with latest NPTL code from glibc and add minor

#ifdef __UCLIBC__ directives.

1 files changed, 37 insertions, 0 deletions

diff --git a/libpthread/nptl/pthread_attr_init.c b/libpthread/nptl/pthread_attr_init.c
index 625ccd442..c84b33f31 100644
--- a/libpthread/nptl/pthread_attr_init.c
+++ b/libpthread/nptl/pthread_attr_init.c
@@ -23,6 +23,8 @@
 #include <unistd.h>
 #include "pthreadP.h"
 
+#include <shlib-compat.h>
+
 
 struct pthread_attr *__attr_list;
 lll_lock_t __attr_list_lock = LLL_LOCK_INITIALIZER;
@@ -49,3 +51,38 @@ __pthread_attr_init_2_1 (attr)
 }
 versioned_symbol (libpthread, __pthread_attr_init_2_1, pthread_attr_init,
 		  GLIBC_2_1);
+
+
+#if SHLIB_COMPAT(libpthread, GLIBC_2_0, GLIBC_2_1)
+int
+__pthread_attr_init_2_0 (attr)
+     pthread_attr_t *attr;
+{
+  /* This code is specific to the old LinuxThread code which has a too
+     small pthread_attr_t definition.  The struct looked like
+     this:  */
+  struct old_attr
+  {
+    int detachstate;
+    int schedpolicy;
+    struct sched_param schedparam;
+    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;
+}
+compat_symbol (libpthread, __pthread_attr_init_2_0, pthread_attr_init,
+	       GLIBC_2_0);
+#endif