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/* getsid -- Return session ID of a process. Hurd version.
Copyright (C) 1995-2025 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
<https://www.gnu.org/licenses/>. */
#include <sys/types.h>
#include <unistd.h>
#include <errno.h>
#include <hurd.h>
pid_t
getsid (pid_t pid)
{
error_t err;
pid_t sid;
if (pid == 0)
pid = _hurd_pid;
err = __USEPORT (PROC, __proc_getsid (port, pid, &sid));
if (err)
return (pid_t) __hurd_fail (err);
return sid;
}
libc_hidden_def (getsid)
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