gdb/posix-hdep.c - gdb

Functions defined

Source code

  1. /* Host support routines for MinGW, for GDB, the GNU debugger.

  3.    Copyright (C) 2006-2015 Free Software Foundation, Inc.

  5.    This file is part of GDB.

  7.    This program is free software; you can redistribute it and/or modify
  8.    it under the terms of the GNU General Public License as published by
  9.    the Free Software Foundation; either version 3 of the License, or
  10.    (at your option) any later version.

  12.    This program is distributed in the hope that it will be useful,
  13.    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14.    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15.    GNU General Public License for more details.

  17.    You should have received a copy of the GNU General Public License
  18.    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

  20. #include "defs.h"
  21. #include "event-loop.h"

  23. #include "gdb_select.h"

  25. /* The strerror() function can return NULL for errno values that are
  26.    out of range.  Provide a "safe" version that always returns a
  27.    printable string.  */

  29. char *
  30. ‌safe_strerror (int errnum)
  31. {
  32.   char *msg;

  34.   msg = strerror (errnum);
  35.   if (msg == NULL)
  36.     {
  37.       static char buf[32];

  39.       xsnprintf (buf, sizeof buf, "(undocumented errno %d)", errnum);
  40.       msg = buf;
  41.     }
  42.   return (msg);
  43. }

  45. /* Wrapper for select.  Nothing special needed on POSIX platforms.  */

  47. int
  48. ‌gdb_select (int n, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
  49.             struct timeval *timeout)
  50. {
  51.   return select (n, readfds, writefds, exceptfds, timeout);
  52. }

  54. /* Wrapper for the body of signal handlers.  Nothing special needed on
  55.    POSIX platforms.  */

  57. void
  58. ‌gdb_call_async_signal_handler (struct async_signal_handler *handler,
  59.                                int immediate_p)
  60. {
  61.   if (immediate_p)
  62.     call_async_signal_handler (handler);
  63.   else
  64.     mark_async_signal_handler (handler);
  65. }