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Diffstat (limited to 'sysdeps/mach/hurd/setsid.c')
| -rw-r--r-- | sysdeps/mach/hurd/setsid.c | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/sysdeps/mach/hurd/setsid.c b/sysdeps/mach/hurd/setsid.c deleted file mode 100644 index 60794df7b8..0000000000 --- a/sysdeps/mach/hurd/setsid.c +++ /dev/null @@ -1,73 +0,0 @@ -/* Copyright (C) 1993-2017 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 <errno.h> -#include <unistd.h> -#include <hurd.h> -#include <hurd/port.h> -#include <hurd/fd.h> -#include <hurd/ioctl.h> - -/* Create a new session with the calling process as its leader. - The process group IDs of the session and the calling process - are set to the process ID of the calling process, which is returned. */ -pid_t -__setsid (void) -{ - error_t err; - unsigned int stamp; - - HURD_CRITICAL_BEGIN; - __mutex_lock (&_hurd_dtable_lock); - - stamp = _hurd_pids_changed_stamp; /* Atomic fetch. */ - - /* Tell the proc server we want to start a new session. */ - err = __USEPORT (PROC, __proc_setsid (port)); - if (err) - __mutex_unlock (&_hurd_dtable_lock); - else - { - /* Punt our current ctty, and update the dtable accordingly. We hold - the dtable lock from before the proc_setsid call through clearing - the cttyid port and processing the dtable, so that we can be sure - that it's all done by the time the signal thread processes the - pgrp change notification. */ - _hurd_locked_install_cttyid (MACH_PORT_NULL); - - /* Synchronize with the signal thread to make sure we have received - and processed proc_newids before returning to the user. - This is necessary to ensure that _hurd_pgrp (and thus the value - returned by `getpgrp ()' in other threads) has been updated before - we return. */ - while (_hurd_pids_changed_stamp == stamp) - { -#ifdef noteven - /* XXX we have no need for a mutex, but cthreads demands one. */ - __condition_wait (&_hurd_pids_changed_sync, NULL); -#else - __swtch_pri (0); -#endif - } - } - - HURD_CRITICAL_END; - - return err ? __hurd_fail (err) : _hurd_pgrp; -} - -weak_alias (__setsid, setsid) |