* gdb_usleep.h, gdb_usleep.c: New files.
* Makefile.in (SFILES): Add gdb_usleep.c. (HFILES_NO_SRCDIR): Add gdb_usleep.h. (COMMON_OBS): Add gdb_usleep.o. * ser-unix.c (hardwire_send_break): Replace call to gdb_select by call to gdb_usleep.
This commit is contained in:
parent
24be086dc4
commit
dcb626be9b
5 changed files with 88 additions and 9 deletions
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@ -1,3 +1,13 @@
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2009-03-23 Joel Brobecker <brobecker@adacore.com>
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Add gdb_usleep as a portable version of sleep based on gdb_select.
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* gdb_usleep.h, gdb_usleep.c: New files.
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* Makefile.in (SFILES): Add gdb_usleep.c.
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(HFILES_NO_SRCDIR): Add gdb_usleep.h.
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(COMMON_OBS): Add gdb_usleep.o.
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* ser-unix.c (hardwire_send_break): Replace call to gdb_select
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by call to gdb_usleep.
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2009-03-23 Joel Brobecker <brobecker@adacore.com>
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* buildsym.c (end_symtab): If we ignore the subfiles, then
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@ -666,7 +666,7 @@ SFILES = ada-exp.y ada-lang.c ada-typeprint.c ada-valprint.c ada-tasks.c \
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valarith.c valops.c valprint.c value.c varobj.c vec.c \
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wrapper.c \
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xml-tdesc.c xml-support.c \
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inferior.c
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inferior.c gdb_usleep.c
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LINTFILES = $(SFILES) $(YYFILES) $(CONFIG_SRCS) init.c
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@ -736,7 +736,8 @@ config/sparc/nm-sol2.h config/nm-linux.h config/mips/nm-irix5.h \
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config/rs6000/nm-rs6000.h top.h bsd-kvm.h gdb-stabs.h reggroups.h \
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annotate.h sim-regno.h dictionary.h dfp.h main.h frame-unwind.h \
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remote-fileio.h i386-linux-tdep.h vax-tdep.h objc-lang.h \
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sentinel-frame.h bcache.h symfile.h windows-tdep.h linux-tdep.h
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sentinel-frame.h bcache.h symfile.h windows-tdep.h linux-tdep.h \
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gdb_usleep.h
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# Header files that already have srcdir in them, or which are in objdir.
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@ -817,7 +818,7 @@ COMMON_OBS = $(DEPFILES) $(CONFIG_OBS) $(YYOBJ) \
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solib.o solib-null.o \
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prologue-value.o memory-map.o xml-support.o \
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target-descriptions.o target-memory.o xml-tdesc.o xml-builtin.o \
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inferior.o osdata.o
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inferior.o osdata.o gdb_usleep.o
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TSOBS = inflow.o
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41
gdb/gdb_usleep.c
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41
gdb/gdb_usleep.c
Normal file
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@ -0,0 +1,41 @@
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/* Copyright (C) 2009 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 "gdb_usleep.h"
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#include "gdb_select.h"
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#include "gdb_usleep.h"
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#include <sys/time.h>
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int
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gdb_usleep (int usec)
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{
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struct timeval delay;
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int retval;
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delay.tv_sec = usec / 1000000;
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delay.tv_usec = usec % 1000000;
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retval = gdb_select (0, 0, 0, 0, &delay);
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if (retval < 0)
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retval = -1;
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else
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retval = 0;
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return retval;
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}
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30
gdb/gdb_usleep.h
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30
gdb/gdb_usleep.h
Normal file
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@ -0,0 +1,30 @@
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/* Copyright (C) 2009 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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#if !defined(GDB_USLEEP_H)
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#define GDB_USLEEP_H
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/* Suspend execution for USEC microseconds.
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Limitation: If a signal is raised during the delay, gdb_usleep
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might return earlier than requested.
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It returns 0 on success or -1 on error. */
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extern int gdb_usleep (int usect);
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#endif /* !defined(GDB_USLEEP_H) */
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@ -368,16 +368,13 @@ hardwire_send_break (struct serial *scb)
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#ifdef HAVE_SGTTY
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{
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int status;
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struct timeval timeout;
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status = ioctl (scb->fd, TIOCSBRK, 0);
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/* Can't use usleep; it doesn't exist in BSD 4.2. */
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/* Note that if this select() is interrupted by a signal it will not wait
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the full length of time. I think that is OK. */
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timeout.tv_sec = 0;
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timeout.tv_usec = 250000;
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gdb_select (0, 0, 0, 0, &timeout);
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/* Note that if this gdb_select() is interrupted by a signal it will not
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wait the full length of time. I think that is OK. */
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gdb_usleep (250000);
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status = ioctl (scb->fd, TIOCCBRK, 0);
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return status;
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}
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