diff options
Diffstat (limited to 'hurd/dtable.c')
| -rw-r--r-- | hurd/dtable.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/hurd/dtable.c b/hurd/dtable.c index 9437f8c..bbd3bfc 100644 --- a/hurd/dtable.c +++ b/hurd/dtable.c @@ -189,6 +189,7 @@ ctty_new_pgrp (void) { int i; +retry: HURD_CRITICAL_BEGIN; __mutex_lock (&_hurd_dtable_lock); @@ -224,8 +225,18 @@ ctty_new_pgrp (void) /* This fd has a ctty-special port. We need a new one, to tell the io server of our different process group. */ io_t new; - if (__term_open_ctty (port, _hurd_pid, _hurd_pgrp, &new)) - new = MACH_PORT_NULL; + error_t err; + if ((err = __term_open_ctty (port, _hurd_pid, _hurd_pgrp, &new))) + { + if (err == EINTR) + { + /* Got a signal while inside an RPC of the critical section, retry again */ + __mutex_unlock (&_hurd_dtable_lock); + HURD_CRITICAL_UNLOCK; + goto retry; + } + new = MACH_PORT_NULL; + } _hurd_port_set (&d->ctty, new); } |