lib/libc/sysvipc/utils.c

   1 /**
   2  * Copyright (c) 2013 Larisa Grigore<larisagrigore@gmail.com>.
   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. The name of the author may not be used to endorse or promote products
  14  *    derived from this software without specific prior written permission.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  */
  27
  28 #include <sys/lwp.h>
  29 #include <stdarg.h>
  30 #include <unistd.h>
  31 #include <stdio.h>
  32 #include <stdlib.h>
  33 #include <errno.h>
  34 #include <syslog.h>
  35
  36 #include "sysvipc_utils.h"
  37
  38 //#define SYSV_DEBUG
  39 #ifdef SYSV_DEBUG
  40 void
  41 sysv_print(const char *fmt, ...) {
  42         va_list ap;
  43         char format[50];
  44
  45         sprintf(format, "[%d %d] %s",
  46                         getpid(), lwp_gettid(), fmt);
  47         va_start(ap, fmt);
  48         vprintf(format, ap);
  49         va_end(ap);
  50         fflush(stdout);
  51 }
  52 #else
  53 void
  54 sysv_print(__unused const char *fmt, ...) {}
  55 #endif
  56
  57 void
  58 sysv_print_err(const char *fmt, ...) {
  59         va_list ap;
  60         char format[50];
  61
  62         sprintf(format, "[%d %d] error(%d): %s",
  63                         getpid(), lwp_gettid(), errno, fmt);
  64         va_start(ap, fmt);
  65         vprintf(format, ap);
  66         va_end(ap);
  67 }