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root/usr/lib/posix/gen/__posix_call.c/* [<][>][^][v][top][bottom][index][help] */DEFINITIONSThis source file includes following definitions.1 /* 2 * Copyright (c) 2007, 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 <sys/prex.h> 31 #include <ipc/ipc.h> 32 33 #include <errno.h> 34 35 /* 36 * Send a message to POSIX server. 37 * 38 * Set errno as status. 39 * If 'restart' is set to true, this function will try to send the 40 * message again even if is is interrupted by a signal. 41 */ 42 int 43 __posix_call(object_t obj, void *msg, size_t size, int restart) 44 { 45 int error; 46 47 if (obj == 0) { 48 errno = ENOSYS; 49 return -1; 50 } 51 52 do { 53 error = msg_send(obj, msg, size); 54 } while (error == EINTR && restart); 55 56 if (error) { 57 errno = (error == EINTR) ? EINTR : ENOSYS; 58 return -1; 59 } else if (((struct msg_header *)msg)->status) { 60 errno = ((struct msg_header *)msg)->status; 61 return -1; 62 } else { 63 /* DO NOTHING */ 64 } 65 return 0; 66 } /* [<][>][^][v][top][bottom][index][help] */ | |||
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