Annotation of prex-old/usr/lib/posix/process/kill.c, Revision 1.1
1.1 ! nbrk 1: /*
! 2: * Copyright (c) 2005, Kohsuke Ohtani
! 3: * All rights reserved.
! 4: *
! 5: * Redistribution and use in source and binary forms, with or without
! 6: * modification, are permitted provided that the following conditions
! 7: * are met:
! 8: * 1. Redistributions of source code must retain the above copyright
! 9: * notice, this list of conditions and the following disclaimer.
! 10: * 2. Redistributions in binary form must reproduce the above copyright
! 11: * notice, this list of conditions and the following disclaimer in the
! 12: * documentation and/or other materials provided with the distribution.
! 13: * 3. Neither the name of the author nor the names of any co-contributors
! 14: * may be used to endorse or promote products derived from this software
! 15: * without specific prior written permission.
! 16: *
! 17: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
! 18: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 19: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 20: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
! 21: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 22: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 23: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 24: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 25: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 26: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 27: * SUCH DAMAGE.
! 28: */
! 29:
! 30: #include <prex/prex.h>
! 31: #include <prex/posix.h>
! 32: #include <server/stdmsg.h>
! 33: #include <server/proc.h>
! 34:
! 35: #include <stddef.h>
! 36: #include <signal.h>
! 37: #include <unistd.h>
! 38: #include <errno.h>
! 39:
! 40: int
! 41: kill(pid_t pid, int sig)
! 42: {
! 43: struct msg m;
! 44: int err;
! 45:
! 46: /*
! 47: * Request process server to send signal.
! 48: */
! 49: m.hdr.code = PS_KILL;
! 50: m.data[0] = pid;
! 51: m.data[1] = sig;
! 52: err = msg_send(__proc_obj, &m, sizeof(m));
! 53:
! 54: /*
! 55: * XXX: err is always EINTR, and we can not determine whether
! 56: * msg_send() is interrupted by signal.
! 57: */
! 58:
! 59: if (m.hdr.status) {
! 60: errno = m.hdr.status;
! 61: return -1;
! 62: }
! 63: return 0;
! 64: }
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