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Diffstat (limited to 'REORG.TODO/hurd/hurdpid.c')
-rw-r--r-- | REORG.TODO/hurd/hurdpid.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/REORG.TODO/hurd/hurdpid.c b/REORG.TODO/hurd/hurdpid.c new file mode 100644 index 0000000000..114077d0cc --- /dev/null +++ b/REORG.TODO/hurd/hurdpid.c @@ -0,0 +1,71 @@ +/* Copyright (C) 1991-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <hurd.h> +pid_t _hurd_pid, _hurd_ppid, _hurd_pgrp; +int _hurd_orphaned; + +static void +init_pids (void) +{ + __USEPORT (PROC, + ({ + __proc_getpids (port, &_hurd_pid, &_hurd_ppid, &_hurd_orphaned); + __proc_getpgrp (port, _hurd_pid, &_hurd_pgrp); + })); + + (void) &init_pids; /* Avoid "defined but not used" warning. */ +} + +text_set_element (_hurd_proc_subinit, init_pids); + +#include <hurd/msg_server.h> +#include "set-hooks.h" +#include <cthreads.h> + +DEFINE_HOOK (_hurd_pgrp_changed_hook, (pid_t)); + +/* These let user threads synchronize with an operation which changes ids. */ +unsigned int _hurd_pids_changed_stamp; +struct condition _hurd_pids_changed_sync; + +kern_return_t +_S_msg_proc_newids (mach_port_t me, + task_t task, + pid_t ppid, pid_t pgrp, int orphaned) +{ + int pgrp_changed; + + if (task != __mach_task_self ()) + return EPERM; + + __mach_port_deallocate (__mach_task_self (), task); + + pgrp_changed = pgrp != _hurd_pgrp; + _hurd_ppid = ppid; + _hurd_pgrp = pgrp; + _hurd_orphaned = orphaned; + + if (pgrp_changed) + /* Run things that want notification of a pgrp change. */ + RUN_HOOK (_hurd_pgrp_changed_hook, (pgrp)); + + /* Notify any waiting user threads that the id change as been completed. */ + ++_hurd_pids_changed_stamp; + + return 0; +} |