Merge branch 't/tls-threadvar' into refs/top-bases/tschwinge/Roger_Whittaker

3 files changed, 13 insertions, 8 deletions

diff --git a/hurd/hurd/threadvar.h b/hurd/hurd/threadvar.h
index ebfce35b51..4fd498965e 100644
--- a/hurd/hurd/threadvar.h
+++ b/hurd/hurd/threadvar.h
@@ -20,6 +20,7 @@
 #define	_HURD_THREADVAR_H
 
 #include <features.h>
+#include <tls.h>
 
 /* The per-thread variables are found by ANDing this mask
    with the value of the stack pointer and then adding this offset.
@@ -117,5 +118,7 @@ __hurd_threadvar_location (enum __hurd_threadvar_index __index)
 }
 #endif
 
+extern mach_port_t __hurd_reply_port0;
+#define __hurd_local_reply_port (*(__libc_no_tls() ? &__hurd_reply_port0 : &THREAD_SELF->reply_port))
 
 #endif	/* hurd/threadvar.h */
diff --git a/hurd/hurdsig.c b/hurd/hurdsig.c
index 12ea82955b..e93f26bb53 100644
--- a/hurd/hurdsig.c
+++ b/hurd/hurdsig.c
@@ -334,11 +334,11 @@ abort_thread (struct hurd_sigstate *ss, struct machine_thread_all_state *state,
    that this location can be set without faulting, or else return NULL.  */
 
 static mach_port_t *
-interrupted_reply_port_location (struct machine_thread_all_state *thread_state,
+interrupted_reply_port_location (thread_t thread,
+				 struct machine_thread_all_state *thread_state,
 				 int sigthread)
 {
-  mach_port_t *portloc = (mach_port_t *) __hurd_threadvar_location_from_sp
-    (_HURD_THREADVAR_MIG_REPLY, (void *) thread_state->basic.SP);
+  mach_port_t *portloc = &THREAD_TCB(thread, thread_state)->reply_port;
 
   if (sigthread && _hurdsig_catch_memory_fault (portloc))
     /* Faulted trying to read the stack.  */
@@ -423,7 +423,8 @@ _hurdsig_abort_rpcs (struct hurd_sigstate *ss, int signo, int sigthread,
 	   our nonzero return tells the trampoline code to finish the message
 	   receive operation before running the handler.  */
 
-	mach_port_t *reply = interrupted_reply_port_location (state,
+	mach_port_t *reply = interrupted_reply_port_location (ss->thread,
+							      state,
 							      sigthread);
 	error_t err = __interrupt_operation (intr_port, _hurdsig_interrupt_timeout);
 
@@ -980,7 +981,8 @@ post_signal (struct hurd_sigstate *ss,
 
 	    if (! machine_get_basic_state (ss->thread, &thread_state))
 	      goto sigbomb;
-	    loc = interrupted_reply_port_location (&thread_state, 1);
+	    loc = interrupted_reply_port_location (ss->thread,
+						   &thread_state, 1);
 	    if (loc && *loc != MACH_PORT_NULL)
 	      /* This is the reply port for the context which called
 		 sigreturn.  Since we are abandoning that context entirely
@@ -1046,7 +1048,8 @@ post_signal (struct hurd_sigstate *ss,
 	{
 	  /* Fetch the thread variable for the MiG reply port,
 	     and set it to MACH_PORT_NULL.  */
-	  mach_port_t *loc = interrupted_reply_port_location (&thread_state,
+	  mach_port_t *loc = interrupted_reply_port_location (ss->thread,
+							      &thread_state,
 							      1);
 	  if (loc)
 	    {
diff --git a/hurd/sigunwind.c b/hurd/sigunwind.c
index de966aa09b..40af749479 100644
--- a/hurd/sigunwind.c
+++ b/hurd/sigunwind.c
@@ -38,8 +38,7 @@ _hurdsig_longjmp_from_handler (void *data, jmp_buf env, int val)
     {
       /* Destroy the MiG reply port used by the signal handler, and restore
 	 the reply port in use by the thread when interrupted.  */
-      mach_port_t *reply_port =
-	(mach_port_t *) __hurd_threadvar_location (_HURD_THREADVAR_MIG_REPLY);
+      mach_port_t *reply_port = &__hurd_local_reply_port;
       if (*reply_port)
 	{
 	  mach_port_t port = *reply_port;