From 894f3e131176c481c50484e3004a7a641db01373 Mon Sep 17 00:00:00 2001 From: Thomas Schwinge Date: Sun, 29 Nov 2015 16:41:00 +0100 Subject: [PATCH] hurd: install correct number of send rights on fork * sysdeps/mach/hurd/fork.c (__fork): Install correct number of send rights for its main user thread in NEWTASK. --- ChangeLog | 5 +++++ sysdeps/mach/hurd/fork.c | 6 +----- 2 files changed, 6 insertions(+), 5 deletions(-) diff --git a/ChangeLog b/ChangeLog index d4dc8a447d..62beb762c4 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2015-11-29 Thomas Schwinge + + * sysdeps/mach/hurd/fork.c (__fork): Install correct number of send + rights for its main user thread in NEWTASK. + 2015-11-28 Maciej W. Rozycki * sysdeps/mips/fpu_control.h (_FPU_RESERVED): Include ABS2008. diff --git a/sysdeps/mach/hurd/fork.c b/sysdeps/mach/hurd/fork.c index 04d81e1d1d..d4baed54c8 100644 --- a/sysdeps/mach/hurd/fork.c +++ b/sysdeps/mach/hurd/fork.c @@ -464,14 +464,10 @@ __fork (void) (err = __mach_port_insert_right (newtask, ss->thread, thread, MACH_MSG_TYPE_COPY_SEND))) LOSE; - /* We have one extra user reference created at the beginning of this - function, accounted for by mach_port_names (and which will thus be - accounted for in the child below). This extra right gets consumed - in the child by the store into _hurd_sigthread in the child fork. */ if (thread_refs > 1 && (err = __mach_port_mod_refs (newtask, ss->thread, MACH_PORT_RIGHT_SEND, - thread_refs))) + thread_refs - 1))) LOSE; if ((_hurd_msgport_thread != MACH_PORT_NULL) /* Let user have none. */ && ((err = __mach_port_deallocate (newtask, _hurd_msgport_thread)) || -- 2.43.5