mirror of
https://sourceware.org/git/binutils-gdb.git
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6d3d12ebef
This commit includes string.h in common-defs.h and removes all other inclusions. gdb/ 2014-08-07 Gary Benson <gbenson@redhat.com> * common/common-defs.h: Include string.h. * aarch64-tdep.c: Do not include string.h. * ada-exp.y: Likewise. * ada-lang.c: Likewise. * ada-lex.l: Likewise. * ada-typeprint.c: Likewise. * ada-valprint.c: Likewise. * aix-thread.c: Likewise. * alpha-linux-tdep.c: Likewise. * alpha-mdebug-tdep.c: Likewise. * alpha-nat.c: Likewise. * alpha-osf1-tdep.c: Likewise. * alpha-tdep.c: Likewise. * alphanbsd-tdep.c: Likewise. * amd64-dicos-tdep.c: Likewise. * amd64-linux-tdep.c: Likewise. * amd64-nat.c: Likewise. * amd64-sol2-tdep.c: Likewise. * amd64fbsd-tdep.c: Likewise. * amd64obsd-tdep.c: Likewise. * arch-utils.c: Likewise. * arm-linux-nat.c: Likewise. * arm-linux-tdep.c: Likewise. * arm-tdep.c: Likewise. * arm-wince-tdep.c: Likewise. * armbsd-tdep.c: Likewise. * armnbsd-nat.c: Likewise. * armnbsd-tdep.c: Likewise. * armobsd-tdep.c: Likewise. * avr-tdep.c: Likewise. * ax-gdb.c: Likewise. * ax-general.c: Likewise. * bcache.c: Likewise. * bfin-tdep.c: Likewise. * breakpoint.c: Likewise. * build-id.c: Likewise. * buildsym.c: Likewise. * c-exp.y: Likewise. * c-lang.c: Likewise. * c-typeprint.c: Likewise. * c-valprint.c: Likewise. * charset.c: Likewise. * cli-out.c: Likewise. * cli/cli-cmds.c: Likewise. * cli/cli-decode.c: Likewise. * cli/cli-dump.c: Likewise. * cli/cli-interp.c: Likewise. * cli/cli-logging.c: Likewise. * cli/cli-script.c: Likewise. * cli/cli-setshow.c: Likewise. * cli/cli-utils.c: Likewise. * coffread.c: Likewise. * common/agent.c: Likewise. * common/buffer.c: Likewise. * common/buffer.h: Likewise. * common/common-utils.c: Likewise. * common/filestuff.c: Likewise. * common/filestuff.c: Likewise. * common/format.c: Likewise. * common/print-utils.c: Likewise. * common/rsp-low.c: Likewise. * common/signals.c: Likewise. * common/vec.h: Likewise. * common/xml-utils.c: Likewise. * core-regset.c: Likewise. * corefile.c: Likewise. * corelow.c: Likewise. * cp-abi.c: Likewise. * cp-name-parser.y: Likewise. * cp-support.c: Likewise. * cp-valprint.c: Likewise. * cris-tdep.c: Likewise. * d-exp.y: Likewise. * darwin-nat.c: Likewise. * dbxread.c: Likewise. * dcache.c: Likewise. * demangle.c: Likewise. * dicos-tdep.c: Likewise. * disasm.c: Likewise. * doublest.c: Likewise. * dsrec.c: Likewise. * dummy-frame.c: Likewise. * dwarf2-frame.c: Likewise. * dwarf2loc.c: Likewise. * dwarf2read.c: Likewise. * elfread.c: Likewise. * environ.c: Likewise. * eval.c: Likewise. * event-loop.c: Likewise. * exceptions.c: Likewise. * exec.c: Likewise. * expprint.c: Likewise. * f-exp.y: Likewise. * f-lang.c: Likewise. * f-typeprint.c: Likewise. * f-valprint.c: Likewise. * fbsd-nat.c: Likewise. * findcmd.c: Likewise. * findvar.c: Likewise. * fork-child.c: Likewise. * frame.c: Likewise. * frv-linux-tdep.c: Likewise. * frv-tdep.c: Likewise. * gdb.c: Likewise. * gdb_bfd.c: Likewise. * gdbarch.c: Likewise. * gdbarch.sh: Likewise. * gdbtypes.c: Likewise. * gnu-nat.c: Likewise. * gnu-v2-abi.c: Likewise. * gnu-v3-abi.c: Likewise. * go-exp.y: Likewise. * go-lang.c: Likewise. * go32-nat.c: Likewise. * guile/guile.c: Likewise. * guile/scm-auto-load.c: Likewise. * hppa-hpux-tdep.c: Likewise. * hppa-linux-nat.c: Likewise. * hppanbsd-tdep.c: Likewise. * hppaobsd-tdep.c: Likewise. * i386-cygwin-tdep.c: Likewise. * i386-dicos-tdep.c: Likewise. * i386-linux-tdep.c: Likewise. * i386-nto-tdep.c: Likewise. * i386-sol2-tdep.c: Likewise. * i386-tdep.c: Likewise. * i386bsd-tdep.c: Likewise. * i386gnu-nat.c: Likewise. * i386nbsd-tdep.c: Likewise. * i386obsd-tdep.c: Likewise. * i387-tdep.c: Likewise. * ia64-libunwind-tdep.c: Likewise. * ia64-linux-nat.c: Likewise. * inf-child.c: Likewise. * inf-ptrace.c: Likewise. * inf-ttrace.c: Likewise. * infcall.c: Likewise. * infcmd.c: Likewise. * inflow.c: Likewise. * infrun.c: Likewise. * interps.c: Likewise. * iq2000-tdep.c: Likewise. * irix5-nat.c: Likewise. * jv-exp.y: Likewise. * jv-lang.c: Likewise. * jv-typeprint.c: Likewise. * jv-valprint.c: Likewise. * language.c: Likewise. * linux-fork.c: Likewise. * linux-nat.c: Likewise. * lm32-tdep.c: Likewise. * m2-exp.y: Likewise. * m2-typeprint.c: Likewise. * m32c-tdep.c: Likewise. * m32r-linux-nat.c: Likewise. * m32r-linux-tdep.c: Likewise. * m32r-rom.c: Likewise. * m32r-tdep.c: Likewise. * m68hc11-tdep.c: Likewise. * m68k-tdep.c: Likewise. * m68kbsd-tdep.c: Likewise. * m68klinux-nat.c: Likewise. * m68klinux-tdep.c: Likewise. * m88k-tdep.c: Likewise. * machoread.c: Likewise. * macrocmd.c: Likewise. * main.c: Likewise. * mdebugread.c: Likewise. * mem-break.c: Likewise. * memattr.c: Likewise. * memory-map.c: Likewise. * mep-tdep.c: Likewise. * mi/mi-cmd-break.c: Likewise. * mi/mi-cmd-disas.c: Likewise. * mi/mi-cmd-env.c: Likewise. * mi/mi-cmd-stack.c: Likewise. * mi/mi-cmd-var.c: Likewise. * mi/mi-cmds.c: Likewise. * mi/mi-console.c: Likewise. * mi/mi-getopt.c: Likewise. * mi/mi-interp.c: Likewise. * mi/mi-main.c: Likewise. * mi/mi-parse.c: Likewise. * microblaze-rom.c: Likewise. * microblaze-tdep.c: Likewise. * mingw-hdep.c: Likewise. * minidebug.c: Likewise. * minsyms.c: Likewise. * mips-irix-tdep.c: Likewise. * mips-linux-tdep.c: Likewise. * mips-tdep.c: Likewise. * mips64obsd-tdep.c: Likewise. * mipsnbsd-tdep.c: Likewise. * mipsread.c: Likewise. * mn10300-linux-tdep.c: Likewise. * mn10300-tdep.c: Likewise. * monitor.c: Likewise. * moxie-tdep.c: Likewise. * mt-tdep.c: Likewise. * nat/linux-btrace.c: Likewise. * nat/linux-osdata.c: Likewise. * nat/linux-procfs.c: Likewise. * nat/linux-ptrace.c: Likewise. * nat/linux-waitpid.c: Likewise. * nbsd-tdep.c: Likewise. * nios2-linux-tdep.c: Likewise. * nto-procfs.c: Likewise. * nto-tdep.c: Likewise. * objc-lang.c: Likewise. * objfiles.c: Likewise. * opencl-lang.c: Likewise. * osabi.c: Likewise. * osdata.c: Likewise. * p-exp.y: Likewise. * p-lang.c: Likewise. * p-typeprint.c: Likewise. * parse.c: Likewise. * posix-hdep.c: Likewise. * ppc-linux-nat.c: Likewise. * ppc-sysv-tdep.c: Likewise. * ppcfbsd-tdep.c: Likewise. * ppcnbsd-tdep.c: Likewise. * ppcobsd-tdep.c: Likewise. * printcmd.c: Likewise. * procfs.c: Likewise. * prologue-value.c: Likewise. * python/py-auto-load.c: Likewise. * python/py-gdb-readline.c: Likewise. * ravenscar-thread.c: Likewise. * regcache.c: Likewise. * registry.c: Likewise. * remote-fileio.c: Likewise. * remote-m32r-sdi.c: Likewise. * remote-mips.c: Likewise. * remote-notif.c: Likewise. * remote-sim.c: Likewise. * remote.c: Likewise. * reverse.c: Likewise. * rs6000-aix-tdep.c: Likewise. * ser-base.c: Likewise. * ser-go32.c: Likewise. * ser-mingw.c: Likewise. * ser-pipe.c: Likewise. * ser-tcp.c: Likewise. * ser-unix.c: Likewise. * serial.c: Likewise. * sh-tdep.c: Likewise. * sh64-tdep.c: Likewise. * shnbsd-tdep.c: Likewise. * skip.c: Likewise. * sol-thread.c: Likewise. * solib-dsbt.c: Likewise. * solib-frv.c: Likewise. * solib-osf.c: Likewise. * solib-som.c: Likewise. * solib-spu.c: Likewise. * solib-target.c: Likewise. * solib.c: Likewise. * somread.c: Likewise. * source.c: Likewise. * sparc-nat.c: Likewise. * sparc-sol2-tdep.c: Likewise. * sparc-tdep.c: Likewise. * sparc64-tdep.c: Likewise. * sparc64fbsd-tdep.c: Likewise. * sparc64nbsd-tdep.c: Likewise. * sparcnbsd-tdep.c: Likewise. * spu-linux-nat.c: Likewise. * spu-multiarch.c: Likewise. * spu-tdep.c: Likewise. * stabsread.c: Likewise. * stack.c: Likewise. * std-regs.c: Likewise. * symfile.c: Likewise. * symmisc.c: Likewise. * symtab.c: Likewise. * target.c: Likewise. * thread.c: Likewise. * tilegx-linux-nat.c: Likewise. * tilegx-tdep.c: Likewise. * top.c: Likewise. * tracepoint.c: Likewise. * tui/tui-command.c: Likewise. * tui/tui-data.c: Likewise. * tui/tui-disasm.c: Likewise. * tui/tui-file.c: Likewise. * tui/tui-layout.c: Likewise. * tui/tui-out.c: Likewise. * tui/tui-regs.c: Likewise. * tui/tui-source.c: Likewise. * tui/tui-stack.c: Likewise. * tui/tui-win.c: Likewise. * tui/tui-windata.c: Likewise. * tui/tui-winsource.c: Likewise. * typeprint.c: Likewise. * ui-file.c: Likewise. * ui-out.c: Likewise. * user-regs.c: Likewise. * utils.c: Likewise. * v850-tdep.c: Likewise. * valarith.c: Likewise. * valops.c: Likewise. * valprint.c: Likewise. * value.c: Likewise. * varobj.c: Likewise. * vax-tdep.c: Likewise. * vaxnbsd-tdep.c: Likewise. * vaxobsd-tdep.c: Likewise. * windows-nat.c: Likewise. * xcoffread.c: Likewise. * xml-support.c: Likewise. * xstormy16-tdep.c: Likewise. * xtensa-linux-nat.c: Likewise. gdb/gdbserver/ 2014-08-07 Gary Benson <gbenson@redhat.com> * server.h: Do not include string.h. * event-loop.c: Likewise. * linux-low.c: Likewise. * regcache.c: Likewise. * remote-utils.c: Likewise. * spu-low.c: Likewise. * utils.c: Likewise.
238 lines
5.2 KiB
C
238 lines
5.2 KiB
C
/* Serial interface for a pipe to a separate program
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Copyright (C) 1999-2014 Free Software Foundation, Inc.
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Contributed by Cygnus Solutions.
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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 "serial.h"
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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>
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#include <sys/socket.h>
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#include <sys/time.h>
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#include <fcntl.h>
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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);
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static void pipe_close (struct serial *scb);
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extern void _initialize_ser_pipe (void);
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struct pipe_state
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{
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int pid;
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};
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/* 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;
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#else
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struct pipe_state *state;
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/* This chunk: */
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/* Copyright (c) 1988, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software written by Ken Arnold and
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* published in UNIX Review, Vol. 6, No. 8.
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*/
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int pdes[2];
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int err_pdes[2];
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int pid;
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if (gdb_socketpair_cloexec (AF_UNIX, SOCK_STREAM, 0, pdes) < 0)
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return -1;
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if (gdb_socketpair_cloexec (AF_UNIX, SOCK_STREAM, 0, err_pdes) < 0)
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{
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close (pdes[0]);
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close (pdes[1]);
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return -1;
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}
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/* Create the child process to run the command in. Note that the
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apparent call to vfork() below *might* actually be a call to
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fork() due to the fact that autoconf will ``#define vfork fork''
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on certain platforms. */
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pid = vfork ();
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/* Error. */
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if (pid == -1)
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{
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close (pdes[0]);
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close (pdes[1]);
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close (err_pdes[0]);
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close (err_pdes[1]);
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return -1;
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}
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if (fcntl (err_pdes[0], F_SETFL, O_NONBLOCK) == -1)
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{
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close (err_pdes[0]);
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close (err_pdes[1]);
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err_pdes[0] = err_pdes[1] = -1;
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}
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/* Child. */
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if (pid == 0)
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{
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/* We don't want ^c to kill the connection. */
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#ifdef HAVE_SETSID
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pid_t sid = setsid ();
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if (sid == -1)
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signal (SIGINT, SIG_IGN);
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#else
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signal (SIGINT, SIG_IGN);
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#endif
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/* Re-wire pdes[1] to stdin/stdout. */
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close (pdes[0]);
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if (pdes[1] != STDOUT_FILENO)
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{
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dup2 (pdes[1], STDOUT_FILENO);
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close (pdes[1]);
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}
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dup2 (STDOUT_FILENO, STDIN_FILENO);
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if (err_pdes[0] != -1)
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{
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close (err_pdes[0]);
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dup2 (err_pdes[1], STDERR_FILENO);
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close (err_pdes[1]);
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}
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close_most_fds ();
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execl ("/bin/sh", "sh", "-c", name, (char *) 0);
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_exit (127);
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}
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/* Parent. */
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close (pdes[1]);
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if (err_pdes[1] != -1)
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close (err_pdes[1]);
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/* :end chunk */
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state = XNEW (struct pipe_state);
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state->pid = pid;
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scb->fd = pdes[0];
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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. */
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signal (SIGPIPE, SIG_IGN);
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return 0;
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#endif
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}
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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;
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close (scb->fd);
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scb->fd = -1;
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if (state != NULL)
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{
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int wait_result, status;
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/* Don't kill the task right away, give it a chance to shut down cleanly.
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But don't wait forever though. */
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#define PIPE_CLOSE_TIMEOUT 5
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/* Assume the program will exit after SIGTERM. Might be
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useful to print any remaining stderr output from
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scb->error_fd while waiting. */
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#define SIGTERM_TIMEOUT INT_MAX
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wait_result = -1;
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#ifdef HAVE_WAITPID
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wait_result = wait_to_die_with_timeout (state->pid, &status,
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PIPE_CLOSE_TIMEOUT);
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#endif
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if (wait_result == -1)
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{
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kill (state->pid, SIGTERM);
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#ifdef HAVE_WAITPID
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wait_to_die_with_timeout (state->pid, &status, SIGTERM_TIMEOUT);
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#endif
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}
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if (scb->error_fd != -1)
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close (scb->error_fd);
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scb->error_fd = -1;
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xfree (state);
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scb->state = NULL;
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}
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}
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int
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gdb_pipe (int pdes[2])
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{
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#if !HAVE_SOCKETPAIR
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errno = ENOSYS;
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return -1;
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#else
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if (gdb_socketpair_cloexec (AF_UNIX, SOCK_STREAM, 0, pdes) < 0)
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return -1;
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/* If we don't do this, GDB simply exits when the remote side
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dies. */
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signal (SIGPIPE, SIG_IGN);
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return 0;
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#endif
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}
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static const struct serial_ops pipe_ops =
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{
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"pipe",
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pipe_open,
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pipe_close,
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NULL,
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ser_base_readchar,
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ser_base_write,
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ser_base_flush_output,
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ser_base_flush_input,
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ser_base_send_break,
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ser_base_raw,
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ser_base_get_tty_state,
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ser_base_copy_tty_state,
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ser_base_set_tty_state,
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ser_base_print_tty_state,
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ser_base_noflush_set_tty_state,
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ser_base_setbaudrate,
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ser_base_setstopbits,
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ser_base_drain_output,
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ser_base_async,
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ser_unix_read_prim,
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ser_unix_write_prim
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};
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void
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_initialize_ser_pipe (void)
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{
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serial_add_interface (&pipe_ops);
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}
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