b803fb0f0f
* event-loop.c (call_async_signal_handler): New. * event-loop.h (call_async_signal_handler) (gdb_call_async_signal_handler): Declare. (mark_async_signal_handler): Add comments. * event-top.c (handle_sigint): Use gdb_call_async_signal_handler. * mingw-hdep.c (sigint_event, sigint_handler): New. (gdb_select): Use them. Wait for the readline signal handler to finish. (gdb_call_async_signal_handler, _initialize_mingw_hdep): New functions. * posix-hdep.c (gdb_call_async_signal_handler): New function. * remote-fileio.c (sigint_fileio_token, async_remote_fileio_interrupt): New. (remote_fileio_ctrl_c_signal_handler): Use gdb_call_async_signal_handler. (initialize_remote_fileio): Initialize sigint_fileio_token. * remote.c (initialize_sigint_signal_handler, handle_remote_sigint): Do not initialize tokens here. (handle_remote_sigint_twice): Likewise. Reinstall handle_remote_sigint. (async_remote_interrupt_twice): Just call interrupt_query. (cleanup_sigint_signal_handler): Do not delete tokens. (remote_interrupt, remote_interrupt_twice): Use gdb_call_async_signal_handler. (interrupt_query): Reinstall the default signal handler. (_initialize_remote): Initialize tokens here.
66 lines
1.8 KiB
C
66 lines
1.8 KiB
C
/* Host support routines for MinGW, for GDB, the GNU debugger.
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Copyright (C) 2006, 2007, 2008 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "defs.h"
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#include "event-loop.h"
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#include "gdb_string.h"
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#include "gdb_select.h"
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/* The strerror() function can return NULL for errno values that are
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out of range. Provide a "safe" version that always returns a
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printable string. */
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char *
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safe_strerror (int errnum)
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{
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char *msg;
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msg = strerror (errnum);
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if (msg == NULL)
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{
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static char buf[32];
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xsnprintf (buf, sizeof buf, "(undocumented errno %d)", errnum);
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msg = buf;
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}
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return (msg);
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}
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/* Wrapper for select. Nothing special needed on POSIX platforms. */
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int
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gdb_select (int n, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
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struct timeval *timeout)
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{
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return select (n, readfds, writefds, exceptfds, timeout);
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}
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/* Wrapper for the body of signal handlers. Nothing special needed on
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POSIX platforms. */
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void
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gdb_call_async_signal_handler (struct async_signal_handler *handler,
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int immediate_p)
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{
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if (immediate_p)
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call_async_signal_handler (handler);
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else
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mark_async_signal_handler (handler);
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}
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