binutils-gdb/gdb/posix-hdep.c

68 lines
1.8 KiB
C

/* Host support routines for MinGW, for GDB, the GNU debugger.
Copyright (C) 2006-2013 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "event-loop.h"
#include <string.h>
#include "gdb_select.h"
/* The strerror() function can return NULL for errno values that are
out of range. Provide a "safe" version that always returns a
printable string. */
char *
safe_strerror (int errnum)
{
char *msg;
msg = strerror (errnum);
if (msg == NULL)
{
static char buf[32];
xsnprintf (buf, sizeof buf, "(undocumented errno %d)", errnum);
msg = buf;
}
return (msg);
}
/* Wrapper for select. Nothing special needed on POSIX platforms. */
int
gdb_select (int n, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
struct timeval *timeout)
{
return select (n, readfds, writefds, exceptfds, timeout);
}
/* Wrapper for the body of signal handlers. Nothing special needed on
POSIX platforms. */
void
gdb_call_async_signal_handler (struct async_signal_handler *handler,
int immediate_p)
{
if (immediate_p)
call_async_signal_handler (handler);
else
mark_async_signal_handler (handler);
}