Merge branch 'libpthread' into libpthread-moved

3 files changed, 45 insertions, 3 deletions

diff --git a/libpthread/pthread/pt-create.c b/libpthread/pthread/pt-create.c
index 8f62b78e..346c6979 100644
--- a/libpthread/pthread/pt-create.c
+++ b/libpthread/pthread/pt-create.c
@@ -129,6 +129,13 @@ __pthread_create_internal (struct __pthread **thread,
   if (err)
     goto failed_thread_alloc;
 
+#ifdef ENABLE_TLS
+  pthread->tcb = _dl_allocate_tls (NULL);
+  if (!pthread->tcb)
+    goto failed_thread_tls_alloc;
+  pthread->tcb->tcb = pthread->tcb;
+#endif /* ENABLE_TLS */
+
   /* And initialize the rest of the machine context.  This may include
      additional machine- and system-specific initializations that
      prove convenient.  */
@@ -194,6 +201,10 @@ __pthread_create_internal (struct __pthread **thread,
  failed_sigstate:
   __pthread_sigstate_destroy (pthread);
  failed_setup:
+#ifdef ENABLE_TLS
+  _dl_deallocate_tls (pthread->tcb, 1);
+ failed_thread_tls_alloc:
+#endif /* ENABLE_TLS */
   __pthread_thread_dealloc (pthread);
   __pthread_thread_halt (pthread);
  failed_thread_alloc:
diff --git a/libpthread/pthread/pt-exit.c b/libpthread/pthread/pt-exit.c
index 5fe0ba86..c01efda0 100644
--- a/libpthread/pthread/pt-exit.c
+++ b/libpthread/pthread/pt-exit.c
@@ -1,5 +1,5 @@
 /* Thread termination.
-   Copyright (C) 2000, 2002, 2005 Free Software Foundation, Inc.
+   Copyright (C) 2000, 2002, 2005, 2007, 2011 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
@@ -35,7 +35,6 @@ pthread_exit (void *status)
   struct __pthread *self = _pthread_self ();
   struct __pthread_cancelation_handler **handlers;
   int oldstate;
-  int need_dealloc;
 
   /* Run any cancelation handlers.  According to POSIX, the
      cancellation cleanup handlers should be called with cancellation
@@ -70,6 +69,11 @@ pthread_exit (void *status)
   if (self->cancel_state == PTHREAD_CANCEL_ENABLE && self->cancel_pending)
     status = PTHREAD_CANCELED;
 
+#ifdef ENABLE_TLS
+  if (self->tcb)
+    _dl_deallocate_tls (self->tcb, 1);
+#endif /* ENABLE_TLS */
+
   switch (self->state)
     {
     default:
diff --git a/libpthread/pthread/pt-internal.h b/libpthread/pthread/pt-internal.h
index cb441d09..3f69d2dd 100644
--- a/libpthread/pthread/pt-internal.h
+++ b/libpthread/pthread/pt-internal.h
@@ -1,5 +1,5 @@
 /* Internal defenitions for pthreads library.
-   Copyright (C) 2000, 2005, 2006, 2008 Free Software Foundation, Inc.
+   Copyright (C) 2000, 2005, 2006, 2007, 2008 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
@@ -54,6 +54,16 @@ enum pthread_state
 # define PTHREAD_SYSDEP_MEMBERS
 #endif
 
+#ifdef ENABLE_TLS
+/* Type of the TCB.  */
+typedef struct
+{
+  void *tcb;			/* Points to this structure.  */
+  void *dtv;			/* Vector of pointers to TLS data.  */
+  thread_t self;		/* This thread's control port.  */
+} tcbhead_t;
+#endif /* ENABLE_TLS */
+
 /* This structure describes a POSIX thread.  */
 struct __pthread
 {
@@ -89,6 +99,10 @@ struct __pthread
 
   PTHREAD_SYSDEP_MEMBERS
 
+#ifdef ENABLE_TLS
+  tcbhead_t *tcb;
+#endif /* ENABLE_TLS */
+
   struct __pthread *next, **prevp;
 };
 
@@ -287,4 +301,17 @@ const struct __pthread_rwlockattr __pthread_default_rwlockattr;
 /* Default condition attributes.  */
 const struct __pthread_condattr __pthread_default_condattr;
 
+
+#ifdef ENABLE_TLS
+
+/* From glibc.  */
+
+/* Dynamic linker TLS allocation.  */
+extern void *_dl_allocate_tls(void *);
+
+/* Dynamic linker TLS deallocation.  */
+extern void _dl_deallocate_tls(void *, int);
+
+#endif /* ENABLE_TLS */
+
 #endif /* pt-internal.h */