85 lines
2.5 KiB
C
85 lines
2.5 KiB
C
/* Copyright (C) 1991, 1992 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#include <ansidecl.h>
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#include <errno.h>
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#include <signal.h>
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#include <hurd.h>
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/* Send signal SIG to process number PID. If PID is zero,
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send SIG to all processes in the current process's process group.
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If PID is < -1, send SIG to all processes in process group - PID. */
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int
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DEFUN(__kill, (pid, sig), int pid AND int sig)
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{
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error_t err;
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mach_port_t portbuf[10];
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mach_port_t *ports = portbuf;
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mach_port_t refport; /* XXX */
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size_t nports = 10, i;
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mach_port_t proc;
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int dealloc_proc;
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proc = _hurd_port_get (&_hurd_proc, &dealloc_proc);
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if (pid <= 0)
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{
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/* Send SIG to each process in pgrp (- PID). */
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proccoll_t pcoll;
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err = __proc_pgrp_pcoll (proc, - pid, &pcoll);
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if (!err)
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{
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err = __proc_get_collports (proc, pcoll, &ports, &nports);
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__mach_port_deallocate (__mach_task_self (), pcoll);
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}
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}
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else
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{
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err = __proc_getmsgport (proc, pid, &ports[0]);
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nports = 1;
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}
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if (!err)
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{
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err = __proc_pid2task (proc, pid, &refport);
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if (err)
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err = __proc_getsidport (proc, &refport);
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}
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_hurd_port_free (&_hurd_proc, proc, &dealloc_proc);
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for (i = 0; i < nports; ++i)
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{
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if (!err && signo == SIGKILL)
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err = __task_terminate (refport); /* XXX */
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if (!err)
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err = __sig_post (ports[i], sig, refport); /* XXX */
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__mach_port_deallocate (__mach_task_self (), ports[i]);
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}
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if (refport != MACH_PORT_NULL)
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__mach_port_deallocate (__mach_task_self (), refport); /* XXX */
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if (ports != portbuf)
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__vm_deallocate (__mach_task_self (), ports, nports * sizeof (ports[0]));
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if (err)
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return __hurd_fail (err);
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return 0;
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}
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