diff options
Diffstat (limited to 'hurd/hurdkill.c')
-rw-r--r-- | hurd/hurdkill.c | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/hurd/hurdkill.c b/hurd/hurdkill.c deleted file mode 100644 index e8375d3d3d..0000000000 --- a/hurd/hurdkill.c +++ /dev/null @@ -1,92 +0,0 @@ -/* 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 <sys/types.h> -#include <signal.h> -#include <hurd.h> -#include <hurd/port.h> -#include <hurd/signal.h> -#include <hurd/msg.h> - -/* Send a `sig_post' RPC to process number PID. If PID is zero, - send the message to all processes in the current process's process group. - If PID is < -1, send SIG to all processes in process group - PID. - SIG and REFPORT are passed along in the request message. */ -error_t -_hurd_sig_post (pid_t pid, int sig, mach_port_t arg_refport) -{ - int delivered = 0; /* Set when we deliver any signal. */ - error_t err; - mach_port_t proc; - struct hurd_userlink ulink; - - inline void kill_pid (pid_t pid) /* Kill one PID. */ - { - err = HURD_MSGPORT_RPC (__proc_getmsgport (proc, pid, &msgport), - (refport = arg_refport, 0), 0, - /* If no message port we cannot send signals. */ - msgport == MACH_PORT_NULL ? EPERM : - __msg_sig_post (msgport, sig, 0, refport)); - if (! err) - delivered = 1; - } - - proc = _hurd_port_get (&_hurd_ports[INIT_PORT_PROC], &ulink); - - if (pid <= 0) - { - /* Send SIG to each process in pgrp (- PID). */ - mach_msg_type_number_t npids = 10, i; - pid_t pidsbuf[10], *pids = pidsbuf; - - err = __proc_getpgrppids (proc, - pid, &pids, &npids); - if (!err) - { - int self = 0; - for (i = 0; i < npids; ++i) - if (pids[i] == _hurd_pid) - /* We must do ourselves last so we are not suspended - and fail to suspend the other processes in the pgrp. */ - self = 1; - else - { - kill_pid (pids[i]); - if (err == ESRCH) - /* The process died already. Ignore it. */ - err = 0; - } - if (pids != pidsbuf) - __vm_deallocate (__mach_task_self (), - (vm_address_t) pids, npids * sizeof (pids[0])); - - if (self) - kill_pid (_hurd_pid); - } - } - else - kill_pid (pid); - - _hurd_port_free (&_hurd_ports[INIT_PORT_PROC], &ulink, proc); - - /* If we delivered no signals, but ERR is clear, this must mean that - every kill_pid call failed with ESRCH, meaning all the processes in - the pgrp died between proc_getpgrppids and kill_pid; in that case we - fail with ESRCH. */ - return delivered ? 0 : err ?: ESRCH; -} -weak_alias (_hurd_sig_post, hurd_sig_post) |