[hurd,commited] htl: Fix calling pthread_exit in the child of a fork

[Samuel Thibault]

We need to reset the threads counter, otherwise pthread_exit() would not
call exit(0).
---
 sysdeps/mach/hurd/htl/pt-sysdep.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/sysdeps/mach/hurd/htl/pt-sysdep.c 
b/sysdeps/mach/hurd/htl/pt-sysdep.c
index e306cc81dc..32a290c4ee 100644
--- a/sysdeps/mach/hurd/htl/pt-sysdep.c
+++ b/sysdeps/mach/hurd/htl/pt-sysdep.c
@@ -35,6 +35,13 @@ static void *init_routine (void);
    want to change it yet.  */
 void *(*_cthread_init_routine) (void) = &init_routine;
 
+static void
+reset_pthread_total (void)
+{
+  /* Only current thread remains */
+  __pthread_total = 1;
+}
+
 /* This function is called from the Hurd-specific startup code.  It
    should return a new stack pointer for the main thread.  The caller
    will switch to this new stack before doing anything serious.  */
@@ -78,6 +85,8 @@ _init_routine (void *stack)
      when we return from here) shouldn't be seen as a user thread.  */
   __pthread_total--;
 
+  __pthread_atfork (NULL, NULL, reset_pthread_total);
+
   /* Make MiG code thread aware.  */
   __mig_init (thread->stackaddr);
 
-- 
2.24.1