diff options
Diffstat (limited to 'sysdeps/mach/hurd/fork.c')
-rw-r--r-- | sysdeps/mach/hurd/fork.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/fork.c b/sysdeps/mach/hurd/fork.c index 60c34c7620..51bc2c0753 100644 --- a/sysdeps/mach/hurd/fork.c +++ b/sysdeps/mach/hurd/fork.c @@ -129,9 +129,13 @@ __fork (void) ports_locked = 1; + /* Keep our SS locked while stopping other threads, so they don't get a + chance to have it locked in the copied space. */ + __spin_lock (&ss->lock); /* Stop all other threads while copying the address space, so nothing changes. */ err = __proc_dostop (_hurd_ports[INIT_PORT_PROC].port, ss->thread); + __spin_unlock (&ss->lock); if (!err) { stopped = 1; |