gdb/gdb_usleep.c

   1 /* Copyright (C) 2009-2019 Free Software Foundation, Inc.
   2
   3    This file is part of GDB.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  17
  18 #include "defs.h"
  19 #include "gdb_usleep.h"
  20 #include "gdb_select.h"
  21 #include "common/gdb_sys_time.h"
  22
  23 int
  24 gdb_usleep (int usec)
  25 {
  26   struct timeval delay;
  27   int retval;
  28
  29   delay.tv_sec = usec / 1000000;
  30   delay.tv_usec = usec % 1000000;
  31   retval = gdb_select (0, 0, 0, 0, &delay);
  32
  33   if (retval < 0)
  34     retval = -1;
  35   else
  36     retval = 0;
  37
  38   return retval;
  39 }