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- /* Copyright (C) 1991, 1992 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 Library General Public License as
- published by the Free Software Foundation; either version 2 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If
- not, write to the Free Software Foundation, Inc., 675 Mass Ave,
- Cambridge, MA 02139, USA. */
-
- #include <ansidecl.h>
- #include <errno.h>
- #include <signal.h>
- #include <hurd.h>
-
- /* Send signal SIG to process number PID. If PID is zero,
- send SIG to all processes in the current process's process group.
- If PID is < -1, send SIG to all processes in process group - PID. */
- int
- DEFUN(__kill, (pid, sig), int pid AND int sig)
- {
- error_t err;
- mach_port_t portbuf[10];
- mach_port_t *ports = portbuf;
- mach_port_t refport; /* XXX */
- size_t nports = 10, i;
- mach_port_t proc;
- int dealloc_proc;
-
- proc = _hurd_port_get (&_hurd_proc, &dealloc_proc);
-
- if (pid <= 0)
- {
- /* Send SIG to each process in pgrp (- PID). */
- proccoll_t pcoll;
- err = __proc_pgrp_pcoll (proc, - pid, &pcoll);
- if (!err)
- {
- err = __proc_get_collports (proc, pcoll, &ports, &nports);
- __mach_port_deallocate (__mach_task_self (), pcoll);
- }
- }
- else
- {
- err = __proc_getmsgport (proc, pid, &ports[0]);
- nports = 1;
- }
-
- if (!err)
- {
- err = __proc_pid2task (proc, pid, &refport);
- if (err)
- err = __proc_getsidport (proc, &refport);
- }
-
- _hurd_port_free (&_hurd_proc, proc, &dealloc_proc);
-
- for (i = 0; i < nports; ++i)
- {
- if (!err && signo == SIGKILL)
- err = __task_terminate (refport); /* XXX */
- if (!err)
- err = __sig_post (ports[i], sig, refport); /* XXX */
- __mach_port_deallocate (__mach_task_self (), ports[i]);
- }
-
- if (refport != MACH_PORT_NULL)
- __mach_port_deallocate (__mach_task_self (), refport); /* XXX */
-
- if (ports != portbuf)
- __vm_deallocate (__mach_task_self (), ports, nports * sizeof (ports[0]));
-
- if (err)
- return __hurd_fail (err);
- return 0;
- }
-