diff options
Diffstat (limited to 'REORG.TODO/sysdeps/mach/hurd/getpgid.c')
-rw-r--r-- | REORG.TODO/sysdeps/mach/hurd/getpgid.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/mach/hurd/getpgid.c b/REORG.TODO/sysdeps/mach/hurd/getpgid.c new file mode 100644 index 0000000000..51d5ff581c --- /dev/null +++ b/REORG.TODO/sysdeps/mach/hurd/getpgid.c @@ -0,0 +1,42 @@ +/* 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 <errno.h> +#include <unistd.h> +#include <hurd.h> +#include <hurd/port.h> + +/* Get the process group ID of process PID. */ +int +__getpgid (pid_t pid) +{ + error_t err; + pid_t pgrp; + + if (pid == 0) + { + /* Assume atomic word fetch and store, so don't lock _hurd_pid_lock. */ + pgrp = _hurd_pgrp; + err = 0; + } + else + err = __USEPORT (PROC, __proc_getpgrp (port, pid, &pgrp)); + + return err ? __hurd_fail (err) : pgrp; +} +libc_hidden_def (__getpgid) +weak_alias (__getpgid, getpgid) |