binutils-gdb/gdb/ser-pipe.c

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/* Serial interface for a pipe to a separate program
Copyright (C) 1999-2015 Free Software Foundation, Inc.
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Contributed by Cygnus Solutions.
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
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(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/>. */
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#include "defs.h"
#include "serial.h"
* Makefile.in (SFILES): Add ser-base.c. (ser_base_h): New variable. (ser-base.o): New target. (ser-pipe.o): Depend on $(ser_base_h). (ser-tcp.o): Likewise. (ser-unix.o): Likewise. Do not depend on $(event_loop_h). * configure.ac (SER_HARDWIRE): Include ser-base.o where appropriate. * ser-base.c: New file. (push_event): Move from ser-unix.c. (fd_event): Likewise. (reschedule): Likewise. (ser_unix_write): Likewise. (ser_unix_nop_flush_output): Likewise. (ser_unix_flush_input): Likewise. (ser_unix_nop_send_break): Likewise. (ser_unix_nop_drain_output): Likewise. (ser_unix_nop_raw): Likewise. (ser_unix_nop_get_tty_state): Likewise. (ser_unix_nop_set_tty_state): Likewise. (ser_unix_nop_noflush_set_tty_state): Likewise. (ser_unix_nop_print_tty_state): Likewise. (ser_unix_nop_setbaudrate): Likewise. (ser_unix_nop_setstopbits): Likewise. (ser_unix_async): Likewise. * ser-base.h: New file. * ser-pipe.c (ser-base.h): Include it. * ser-tcp.c (ser-base.h): Likewise. * ser-unix.h (ser_unix_nop_flush_output): Remove. (ser_unix_flush_input): Likewise. (ser_unix_nop_send_break): Likewise. (ser_unix_nop_raw): Likewise. (ser_unix_nop_get_tty_state): Likewise. (ser_unix_nop_set_tty_state): Likewise. (ser_unix_nop_print_tty_state): Likewise. (ser_unix_nop_noflush_set_tty_state): Likewise. (ser_unix_nop_setbaudrate): Likewise. (ser_unix_nop_setstopbits): Likewise. (ser_unix_nop_drain_output): Likewise. (ser_unix_wait_for): Likewise. (ser_unix_write): Likewise. (ser_unix_async): Likewise. * ser-unix.c (event-loop.h): Do not include it. (push_event): Move to ser-base.c. (fd_event): Likewise. (reschedule): Likewise. (ser_unix_write): Likewise. (ser_unix_nop_flush_output): Likewise. (ser_unix_flush_input): Likewise. (ser_unix_nop_send_break): Likewise. (ser_unix_nop_drain_output): Likewise. (ser_unix_nop_raw): Likewise. (ser_unix_nop_get_tty_state): Likewise. (ser_unix_nop_set_tty_state): Likewise. (ser_unix_nop_noflush_set_tty_state): Likewise. (ser_unix_nop_print_tty_state): Likewise. (ser_unix_nop_setbaudrate): Likewise. (ser_unix_nop_setstopbits): Likewise. (ser_unix_async): Likewise. (ser_unix_wait_for): Make it static. * configure: Regenerated.
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#include "ser-base.h"
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#include "ser-unix.h"
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#include "gdb_vfork.h"
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#include <sys/types.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <fcntl.h>
PR gdb/7912: * Makefile.in (SFILES): Add filestuff.c (COMMON_OBS): Add filestuff.o. (filestuff.o): New target. * auto-load.c (auto_load_objfile_script_1): Use gdb_fopen_cloexec. * auxv.c (procfs_xfer_auxv): Use gdb_open_cloexec. * cli/cli-cmds.c (shell_escape): Call close_most_fds. * cli/cli-dump.c (fopen_with_cleanup): Use gdb_fopen_cloexec. * common/agent.c (gdb_connect_sync_socket): Use gdb_socket_cloexec. * common/filestuff.c: New file. * common/filestuff.h: New file. * common/linux-osdata.c (linux_common_core_of_thread) (command_from_pid, commandline_from_pid, print_source_lines) (linux_xfer_osdata_shm, linux_xfer_osdata_sem) (linux_xfer_osdata_msg, linux_xfer_osdata_modules): Use gdb_fopen_cloexec. * common/linux-procfs.c (linux_proc_get_int) (linux_proc_pid_has_state): Use gdb_fopen_cloexec. * config.in, configure: Rebuild. * configure.ac: Don't check for sys/socket.h. Check for fdwalk, pipe2. * corelow.c (core_open): Use gdb_open_cloexec. * dwarf2read.c (write_psymtabs_to_index): Use gdb_fopen_cloexec. * fork-child.c (fork_inferior): Call close_most_fds. * gdb_bfd.c (gdb_bfd_open): Use gdb_open_cloexec. * inf-child.c (inf_child_fileio_readlink): Use gdb_open_cloexec. * linux-nat.c (linux_nat_thread_name, linux_proc_pending_signals): Use gdb_fopen_cloexec. (linux_proc_xfer_partial, linux_proc_xfer_spu): Use gdb_open_cloexec. (linux_async_pipe): Use gdb_pipe_cloexec. * remote-fileio.c (remote_fileio_func_open): Use gdb_open_cloexec. * remote.c (remote_file_put, remote_file_get): Use gdb_fopen_cloexec. * ser-pipe.c (pipe_open): Use gdb_socketpair_cloexec, close_most_fds. * ser-tcp.c (net_open): Use gdb_socket_cloexec. * ser-unix.c (hardwire_open): Use gdb_open_cloexec. * solib.c (solib_find): Use gdb_open_cloexec. * source.c (openp, find_and_open_source): Use gdb_open_cloexec. * tracepoint.c (tfile_start): Use gdb_fopen_cloexec. (tfile_open): Use gdb_open_cloexec. * tui/tui-io.c (tui_initialize_io): Use gdb_pipe_cloexec. * ui-file.c (gdb_fopen): Use gdb_fopen_cloexec. * xml-support.c (xml_fetch_content_from_file): Use gdb_fopen_cloexec. * main.c (captured_main): Call notice_open_fds. gdbserver * Makefile.in (SFILES): Add filestuff.c. (OBS): Add filestuff.o. (filestuff.o): New target. * config.in, configure: Rebuild. * configure.ac: Check for fdwalk, pipe2.
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#include "filestuff.h"
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#include <signal.h>
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static int pipe_open (struct serial *scb, const char *name);
static void pipe_close (struct serial *scb);
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extern void _initialize_ser_pipe (void);
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struct pipe_state
{
int pid;
};
/* Open up a raw pipe. */
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static int
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pipe_open (struct serial *scb, const char *name)
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{
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#if !HAVE_SOCKETPAIR
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return -1;
#else
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struct pipe_state *state;
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/* This chunk: */
/* Copyright (c) 1988, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software written by Ken Arnold and
* published in UNIX Review, Vol. 6, No. 8.
*/
int pdes[2];
int err_pdes[2];
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int pid;
PR gdb/7912: * Makefile.in (SFILES): Add filestuff.c (COMMON_OBS): Add filestuff.o. (filestuff.o): New target. * auto-load.c (auto_load_objfile_script_1): Use gdb_fopen_cloexec. * auxv.c (procfs_xfer_auxv): Use gdb_open_cloexec. * cli/cli-cmds.c (shell_escape): Call close_most_fds. * cli/cli-dump.c (fopen_with_cleanup): Use gdb_fopen_cloexec. * common/agent.c (gdb_connect_sync_socket): Use gdb_socket_cloexec. * common/filestuff.c: New file. * common/filestuff.h: New file. * common/linux-osdata.c (linux_common_core_of_thread) (command_from_pid, commandline_from_pid, print_source_lines) (linux_xfer_osdata_shm, linux_xfer_osdata_sem) (linux_xfer_osdata_msg, linux_xfer_osdata_modules): Use gdb_fopen_cloexec. * common/linux-procfs.c (linux_proc_get_int) (linux_proc_pid_has_state): Use gdb_fopen_cloexec. * config.in, configure: Rebuild. * configure.ac: Don't check for sys/socket.h. Check for fdwalk, pipe2. * corelow.c (core_open): Use gdb_open_cloexec. * dwarf2read.c (write_psymtabs_to_index): Use gdb_fopen_cloexec. * fork-child.c (fork_inferior): Call close_most_fds. * gdb_bfd.c (gdb_bfd_open): Use gdb_open_cloexec. * inf-child.c (inf_child_fileio_readlink): Use gdb_open_cloexec. * linux-nat.c (linux_nat_thread_name, linux_proc_pending_signals): Use gdb_fopen_cloexec. (linux_proc_xfer_partial, linux_proc_xfer_spu): Use gdb_open_cloexec. (linux_async_pipe): Use gdb_pipe_cloexec. * remote-fileio.c (remote_fileio_func_open): Use gdb_open_cloexec. * remote.c (remote_file_put, remote_file_get): Use gdb_fopen_cloexec. * ser-pipe.c (pipe_open): Use gdb_socketpair_cloexec, close_most_fds. * ser-tcp.c (net_open): Use gdb_socket_cloexec. * ser-unix.c (hardwire_open): Use gdb_open_cloexec. * solib.c (solib_find): Use gdb_open_cloexec. * source.c (openp, find_and_open_source): Use gdb_open_cloexec. * tracepoint.c (tfile_start): Use gdb_fopen_cloexec. (tfile_open): Use gdb_open_cloexec. * tui/tui-io.c (tui_initialize_io): Use gdb_pipe_cloexec. * ui-file.c (gdb_fopen): Use gdb_fopen_cloexec. * xml-support.c (xml_fetch_content_from_file): Use gdb_fopen_cloexec. * main.c (captured_main): Call notice_open_fds. gdbserver * Makefile.in (SFILES): Add filestuff.c. (OBS): Add filestuff.o. (filestuff.o): New target. * config.in, configure: Rebuild. * configure.ac: Check for fdwalk, pipe2.
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if (gdb_socketpair_cloexec (AF_UNIX, SOCK_STREAM, 0, pdes) < 0)
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return -1;
PR gdb/7912: * Makefile.in (SFILES): Add filestuff.c (COMMON_OBS): Add filestuff.o. (filestuff.o): New target. * auto-load.c (auto_load_objfile_script_1): Use gdb_fopen_cloexec. * auxv.c (procfs_xfer_auxv): Use gdb_open_cloexec. * cli/cli-cmds.c (shell_escape): Call close_most_fds. * cli/cli-dump.c (fopen_with_cleanup): Use gdb_fopen_cloexec. * common/agent.c (gdb_connect_sync_socket): Use gdb_socket_cloexec. * common/filestuff.c: New file. * common/filestuff.h: New file. * common/linux-osdata.c (linux_common_core_of_thread) (command_from_pid, commandline_from_pid, print_source_lines) (linux_xfer_osdata_shm, linux_xfer_osdata_sem) (linux_xfer_osdata_msg, linux_xfer_osdata_modules): Use gdb_fopen_cloexec. * common/linux-procfs.c (linux_proc_get_int) (linux_proc_pid_has_state): Use gdb_fopen_cloexec. * config.in, configure: Rebuild. * configure.ac: Don't check for sys/socket.h. Check for fdwalk, pipe2. * corelow.c (core_open): Use gdb_open_cloexec. * dwarf2read.c (write_psymtabs_to_index): Use gdb_fopen_cloexec. * fork-child.c (fork_inferior): Call close_most_fds. * gdb_bfd.c (gdb_bfd_open): Use gdb_open_cloexec. * inf-child.c (inf_child_fileio_readlink): Use gdb_open_cloexec. * linux-nat.c (linux_nat_thread_name, linux_proc_pending_signals): Use gdb_fopen_cloexec. (linux_proc_xfer_partial, linux_proc_xfer_spu): Use gdb_open_cloexec. (linux_async_pipe): Use gdb_pipe_cloexec. * remote-fileio.c (remote_fileio_func_open): Use gdb_open_cloexec. * remote.c (remote_file_put, remote_file_get): Use gdb_fopen_cloexec. * ser-pipe.c (pipe_open): Use gdb_socketpair_cloexec, close_most_fds. * ser-tcp.c (net_open): Use gdb_socket_cloexec. * ser-unix.c (hardwire_open): Use gdb_open_cloexec. * solib.c (solib_find): Use gdb_open_cloexec. * source.c (openp, find_and_open_source): Use gdb_open_cloexec. * tracepoint.c (tfile_start): Use gdb_fopen_cloexec. (tfile_open): Use gdb_open_cloexec. * tui/tui-io.c (tui_initialize_io): Use gdb_pipe_cloexec. * ui-file.c (gdb_fopen): Use gdb_fopen_cloexec. * xml-support.c (xml_fetch_content_from_file): Use gdb_fopen_cloexec. * main.c (captured_main): Call notice_open_fds. gdbserver * Makefile.in (SFILES): Add filestuff.c. (OBS): Add filestuff.o. (filestuff.o): New target. * config.in, configure: Rebuild. * configure.ac: Check for fdwalk, pipe2.
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if (gdb_socketpair_cloexec (AF_UNIX, SOCK_STREAM, 0, err_pdes) < 0)
{
close (pdes[0]);
close (pdes[1]);
return -1;
}
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/* Create the child process to run the command in. Note that the
apparent call to vfork() below *might* actually be a call to
fork() due to the fact that autoconf will ``#define vfork fork''
on certain platforms. */
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pid = vfork ();
/* Error. */
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if (pid == -1)
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{
close (pdes[0]);
close (pdes[1]);
close (err_pdes[0]);
close (err_pdes[1]);
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return -1;
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}
if (fcntl (err_pdes[0], F_SETFL, O_NONBLOCK) == -1)
{
close (err_pdes[0]);
close (err_pdes[1]);
err_pdes[0] = err_pdes[1] = -1;
}
/* Child. */
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if (pid == 0)
{
/* We don't want ^c to kill the connection. */
#ifdef HAVE_SETSID
pid_t sid = setsid ();
if (sid == -1)
signal (SIGINT, SIG_IGN);
#else
signal (SIGINT, SIG_IGN);
#endif
/* Re-wire pdes[1] to stdin/stdout. */
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close (pdes[0]);
if (pdes[1] != STDOUT_FILENO)
{
dup2 (pdes[1], STDOUT_FILENO);
close (pdes[1]);
}
dup2 (STDOUT_FILENO, STDIN_FILENO);
if (err_pdes[0] != -1)
{
close (err_pdes[0]);
dup2 (err_pdes[1], STDERR_FILENO);
close (err_pdes[1]);
}
PR gdb/7912: * Makefile.in (SFILES): Add filestuff.c (COMMON_OBS): Add filestuff.o. (filestuff.o): New target. * auto-load.c (auto_load_objfile_script_1): Use gdb_fopen_cloexec. * auxv.c (procfs_xfer_auxv): Use gdb_open_cloexec. * cli/cli-cmds.c (shell_escape): Call close_most_fds. * cli/cli-dump.c (fopen_with_cleanup): Use gdb_fopen_cloexec. * common/agent.c (gdb_connect_sync_socket): Use gdb_socket_cloexec. * common/filestuff.c: New file. * common/filestuff.h: New file. * common/linux-osdata.c (linux_common_core_of_thread) (command_from_pid, commandline_from_pid, print_source_lines) (linux_xfer_osdata_shm, linux_xfer_osdata_sem) (linux_xfer_osdata_msg, linux_xfer_osdata_modules): Use gdb_fopen_cloexec. * common/linux-procfs.c (linux_proc_get_int) (linux_proc_pid_has_state): Use gdb_fopen_cloexec. * config.in, configure: Rebuild. * configure.ac: Don't check for sys/socket.h. Check for fdwalk, pipe2. * corelow.c (core_open): Use gdb_open_cloexec. * dwarf2read.c (write_psymtabs_to_index): Use gdb_fopen_cloexec. * fork-child.c (fork_inferior): Call close_most_fds. * gdb_bfd.c (gdb_bfd_open): Use gdb_open_cloexec. * inf-child.c (inf_child_fileio_readlink): Use gdb_open_cloexec. * linux-nat.c (linux_nat_thread_name, linux_proc_pending_signals): Use gdb_fopen_cloexec. (linux_proc_xfer_partial, linux_proc_xfer_spu): Use gdb_open_cloexec. (linux_async_pipe): Use gdb_pipe_cloexec. * remote-fileio.c (remote_fileio_func_open): Use gdb_open_cloexec. * remote.c (remote_file_put, remote_file_get): Use gdb_fopen_cloexec. * ser-pipe.c (pipe_open): Use gdb_socketpair_cloexec, close_most_fds. * ser-tcp.c (net_open): Use gdb_socket_cloexec. * ser-unix.c (hardwire_open): Use gdb_open_cloexec. * solib.c (solib_find): Use gdb_open_cloexec. * source.c (openp, find_and_open_source): Use gdb_open_cloexec. * tracepoint.c (tfile_start): Use gdb_fopen_cloexec. (tfile_open): Use gdb_open_cloexec. * tui/tui-io.c (tui_initialize_io): Use gdb_pipe_cloexec. * ui-file.c (gdb_fopen): Use gdb_fopen_cloexec. * xml-support.c (xml_fetch_content_from_file): Use gdb_fopen_cloexec. * main.c (captured_main): Call notice_open_fds. gdbserver * Makefile.in (SFILES): Add filestuff.c. (OBS): Add filestuff.o. (filestuff.o): New target. * config.in, configure: Rebuild. * configure.ac: Check for fdwalk, pipe2.
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close_most_fds ();
execl ("/bin/sh", "sh", "-c", name, (char *) 0);
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_exit (127);
}
/* Parent. */
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close (pdes[1]);
if (err_pdes[1] != -1)
close (err_pdes[1]);
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/* :end chunk */
replace XMALLOC with XNEW This replaces XMALLOC with XNEW, and removes XMALLOC. The only non-mechanical bit here was remembering to edit gdbarch.sh. 2014-01-13 Tom Tromey <tromey@redhat.com> * defs.h (XMALLOC): Remove. * avr-tdep.c (avr_gdbarch_init): Use XNEW, not XMALLOC. * bfin-tdep.c (bfin_gdbarch_init): Likewise. * cli-out.c (struct ui_out *): Likewise. * cli/cli-dump.c (add_dump_command): Likewise. (add_dump_command): Likewise. * complaints.c (get_complaints): Likewise. (find_complaint): Likewise. * dwarf2-frame.c (execute_cfa_program): Likewise. * dwarf2read.c (abbrev_table_read_table): Likewise. * gdbarch.sh: Likewise. * gdbarch.c: Rebuild. * inf-ttrace.c (inf_ttrace_add_page): Likewise. * interps.c (interp_new): Likewise. * lm32-tdep.c (lm32_gdbarch_init): Likewise. * m32r-tdep.c (m32r_gdbarch_init): Likewise. * mi/mi-console.c (mi_console_file_new): Likewise. * mi/mi-interp.c (mi_interpreter_init): Likewise. * mi/mi-out.c (mi_out_new): Likewise. * mi/mi-parse.c (mi_parse): Likewise. * microblaze-tdep.c (microblaze_gdbarch_init): Likewise. * moxie-tdep.c (moxie_gdbarch_init): Likewise. * observer.c (xalloc_observer_list_node): Likewise. * regcache.c (regcache_xmalloc_1): Likewise. * reggroups.c (reggroup_new): Likewise. (_initialize_reggroup): Likewise. * registry.c (register_data_with_cleanup): Likewise. * remote.c (remote_notif_stop_alloc_reply): Likewise. * ser-base.c (serial_ttystate): Likewise. * ser-mingw.c (make_pipe_state): Likewise. * ser-pipe.c (pipe_open): Likewise. * serial.c (serial_open): Likewise. * sh64-tdep.c (sh64_gdbarch_init): Likewise. * tui/tui-data.c (tui_alloc_generic_win_info): Likewise. (tui_alloc_win_info): Likewise. (tui_add_content_elements): Likewise. * tui/tui-file.c (tui_file_new): Likewise. * tui/tui-out.c (tui_out_new): Likewise. * ui-file.c (mem_file_new): Likewise. * ui-out.c (push_level): Likewise. (make_cleanup_ui_out_end): Likewise. (append_header_to_list): Likewise. (ui_out_new): Likewise. * user-regs.c (user_reg_add_builtin): Likewise.
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state = XNEW (struct pipe_state);
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state->pid = pid;
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scb->fd = pdes[0];
scb->error_fd = err_pdes[0];
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scb->state = state;
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/* If we don't do this, GDB simply exits when the remote side dies. */
signal (SIGPIPE, SIG_IGN);
return 0;
#endif
}
static void
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pipe_close (struct serial *scb)
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{
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struct pipe_state *state = scb->state;
close (scb->fd);
scb->fd = -1;
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if (state != NULL)
{
int wait_result, status;
/* Don't kill the task right away, give it a chance to shut down cleanly.
But don't wait forever though. */
#define PIPE_CLOSE_TIMEOUT 5
/* Assume the program will exit after SIGTERM. Might be
useful to print any remaining stderr output from
scb->error_fd while waiting. */
#define SIGTERM_TIMEOUT INT_MAX
wait_result = -1;
#ifdef HAVE_WAITPID
wait_result = wait_to_die_with_timeout (state->pid, &status,
PIPE_CLOSE_TIMEOUT);
#endif
if (wait_result == -1)
{
kill (state->pid, SIGTERM);
#ifdef HAVE_WAITPID
wait_to_die_with_timeout (state->pid, &status, SIGTERM_TIMEOUT);
#endif
}
if (scb->error_fd != -1)
close (scb->error_fd);
scb->error_fd = -1;
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xfree (state);
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scb->state = NULL;
}
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}
int
gdb_pipe (int pdes[2])
{
#if !HAVE_SOCKETPAIR
errno = ENOSYS;
return -1;
#else
PR gdb/7912: * Makefile.in (SFILES): Add filestuff.c (COMMON_OBS): Add filestuff.o. (filestuff.o): New target. * auto-load.c (auto_load_objfile_script_1): Use gdb_fopen_cloexec. * auxv.c (procfs_xfer_auxv): Use gdb_open_cloexec. * cli/cli-cmds.c (shell_escape): Call close_most_fds. * cli/cli-dump.c (fopen_with_cleanup): Use gdb_fopen_cloexec. * common/agent.c (gdb_connect_sync_socket): Use gdb_socket_cloexec. * common/filestuff.c: New file. * common/filestuff.h: New file. * common/linux-osdata.c (linux_common_core_of_thread) (command_from_pid, commandline_from_pid, print_source_lines) (linux_xfer_osdata_shm, linux_xfer_osdata_sem) (linux_xfer_osdata_msg, linux_xfer_osdata_modules): Use gdb_fopen_cloexec. * common/linux-procfs.c (linux_proc_get_int) (linux_proc_pid_has_state): Use gdb_fopen_cloexec. * config.in, configure: Rebuild. * configure.ac: Don't check for sys/socket.h. Check for fdwalk, pipe2. * corelow.c (core_open): Use gdb_open_cloexec. * dwarf2read.c (write_psymtabs_to_index): Use gdb_fopen_cloexec. * fork-child.c (fork_inferior): Call close_most_fds. * gdb_bfd.c (gdb_bfd_open): Use gdb_open_cloexec. * inf-child.c (inf_child_fileio_readlink): Use gdb_open_cloexec. * linux-nat.c (linux_nat_thread_name, linux_proc_pending_signals): Use gdb_fopen_cloexec. (linux_proc_xfer_partial, linux_proc_xfer_spu): Use gdb_open_cloexec. (linux_async_pipe): Use gdb_pipe_cloexec. * remote-fileio.c (remote_fileio_func_open): Use gdb_open_cloexec. * remote.c (remote_file_put, remote_file_get): Use gdb_fopen_cloexec. * ser-pipe.c (pipe_open): Use gdb_socketpair_cloexec, close_most_fds. * ser-tcp.c (net_open): Use gdb_socket_cloexec. * ser-unix.c (hardwire_open): Use gdb_open_cloexec. * solib.c (solib_find): Use gdb_open_cloexec. * source.c (openp, find_and_open_source): Use gdb_open_cloexec. * tracepoint.c (tfile_start): Use gdb_fopen_cloexec. (tfile_open): Use gdb_open_cloexec. * tui/tui-io.c (tui_initialize_io): Use gdb_pipe_cloexec. * ui-file.c (gdb_fopen): Use gdb_fopen_cloexec. * xml-support.c (xml_fetch_content_from_file): Use gdb_fopen_cloexec. * main.c (captured_main): Call notice_open_fds. gdbserver * Makefile.in (SFILES): Add filestuff.c. (OBS): Add filestuff.o. (filestuff.o): New target. * config.in, configure: Rebuild. * configure.ac: Check for fdwalk, pipe2.
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if (gdb_socketpair_cloexec (AF_UNIX, SOCK_STREAM, 0, pdes) < 0)
return -1;
/* If we don't do this, GDB simply exits when the remote side
dies. */
signal (SIGPIPE, SIG_IGN);
return 0;
#endif
}
static const struct serial_ops pipe_ops =
{
"pipe",
pipe_open,
pipe_close,
NULL,
ser_base_readchar,
ser_base_write,
ser_base_flush_output,
ser_base_flush_input,
ser_base_send_break,
ser_base_raw,
ser_base_get_tty_state,
ser_base_copy_tty_state,
ser_base_set_tty_state,
ser_base_print_tty_state,
ser_base_noflush_set_tty_state,
ser_base_setbaudrate,
ser_base_setstopbits,
ser_base_drain_output,
ser_base_async,
ser_unix_read_prim,
ser_unix_write_prim
};
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void
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_initialize_ser_pipe (void)
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{
serial_add_interface (&pipe_ops);
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}