2003-02-06 Andrew Cagney <ac131313@redhat.com>

* Makefile.in (inflow_h): Define.
	(procfs.o, inflow.o, procfs.o): Update dependencies.
	* inftarg.c (child_stop): Delete extern declaration of
	inferior_process_group.  Include "inflow.h".
	* procfs.c (procfs_stop): Ditto.  Include "inflow.h".
	* inflow.c (PROCESS_GROUP_TYPE): Move definitions from here ...
	* inflow.h (PROCESS_GROUP_TYPE): ... to here.  New file.
	(our_process_group, inferior_process_group): Extern declarations.

gdb/ChangeLog

@@ -1,5 +1,14 @@
 2003-02-06  Andrew Cagney  <ac131313@redhat.com>
 
+	* Makefile.in (inflow_h): Define.
+	(procfs.o, inflow.o, procfs.o): Update dependencies.
+	* inftarg.c (child_stop): Delete extern declaration of
+	inferior_process_group.  Include "inflow.h".
+	* procfs.c (procfs_stop): Ditto.  Include "inflow.h".
+	* inflow.c (PROCESS_GROUP_TYPE): Move definitions from here ...
+	* inflow.h (PROCESS_GROUP_TYPE): ... to here.  New file.
+	(our_process_group, inferior_process_group): Extern declarations.
+
 	* procfs.c: Include "gdb_assert.h".
 
 	* linux-proc.c: Include "gdb_stat.h" instead of <sys/stat.h>.

gdb/Makefile.in

@@ -660,6 +660,7 @@ i386_tdep_h = i386-tdep.h
 i387_tdep_h = i387-tdep.h
 inf_loop_h = inf-loop.h
 inferior_h = inferior.h $(breakpoint_h) $(target_h) $(frame_h)
+inflow_h = inflow.h $(terminal_h)
 interps_h = interps.h
 jv_lang_h = jv-lang.h
 kod_h = kod.h
@@ -1790,7 +1791,8 @@ infcmd.o: infcmd.c $(defs_h) $(gdb_string_h) $(symtab_h) $(gdbtypes_h) \
 	$(objfiles_h) $(completer_h) $(ui_out_h) $(event_top_h) \
 	$(parser_defs_h) $(regcache_h)
 inflow.o: inflow.c $(defs_h) $(frame_h) $(inferior_h) $(command_h) \
-	$(serial_h) $(terminal_h) $(target_h) $(gdbthread_h) $(gdb_string_h)
+	$(serial_h) $(terminal_h) $(target_h) $(gdbthread_h) $(gdb_string_h) \
+	$(inflow_h)
 infptrace.o: infptrace.c $(defs_h) $(frame_h) $(inferior_h) $(target_h) \
 	$(gdb_string_h) $(regcache_h) $(gdb_wait_h) $(command_h) \
 	$(gdb_dirent_h) $(gdbcore_h) $(gdb_stat_h)
@@ -1799,7 +1801,7 @@ infrun.o: infrun.c $(defs_h) $(gdb_string_h) $(symtab_h) $(frame_h) \
 	$(cli_script_h) $(target_h) $(gdbthread_h) $(annotate_h) \
 	$(symfile_h) $(top_h) $(inf_loop_h) $(regcache_h) $(value_h)
 inftarg.o: inftarg.c $(defs_h) $(frame_h) $(inferior_h) $(target_h) \
-	$(gdbcore_h) $(command_h) $(gdb_stat_h) $(gdb_wait_h)
+	$(gdbcore_h) $(command_h) $(gdb_stat_h) $(gdb_wait_h) $(inflow_h)
 infttrace.o: infttrace.c $(defs_h) $(frame_h) $(inferior_h) $(target_h) \
 	$(gdb_string_h) $(gdb_wait_h) $(command_h) $(gdbcore_h)
 interps.o: interps.c $(defs_h) $(gdbcmd_h) $(ui_out_h) $(event_loop_h) \
@@ -2007,8 +2009,8 @@ proc-service.o: proc-service.c $(defs_h) $(gdb_proc_service_h) $(inferior_h) \
 	$(symtab_h) $(target_h) $(gregset_h)
 proc-why.o: proc-why.c $(defs_h) $(proc_utils_h)
 procfs.o: procfs.c $(defs_h) $(inferior_h) $(target_h) $(gdbcore_h) \
-	$(elf_bfd_h) $(gdbcmd_h) $(gdbthread_h) $(gdb_dirent_h) $(X_OK) \
+	$(elf_bfd_h) $(gdbcmd_h) $(gdbthread_h) $(gdb_assert_h) $(inflow_h) \
-	$(gdb_stat_h) $(proc_utils_h) $(gregset_h)
+	$(gdb_dirent_h) $(X_OK) $(gdb_stat_h) $(proc_utils_h) $(gregset_h)
 regcache.o: regcache.c $(defs_h) $(inferior_h) $(target_h) $(gdbarch_h) \
 	$(gdbcmd_h) $(regcache_h) $(reggroups_h) $(gdb_assert_h) \
 	$(gdb_string_h) $(gdbcmd_h)

gdb/inflow.c

@@ -35,22 +35,7 @@
 #include <sys/select.h>
 #endif
 
-#ifdef HAVE_TERMIOS
+#include "inflow.h"
-#define PROCESS_GROUP_TYPE pid_t
-#endif
-
-#ifdef HAVE_TERMIO
-#define PROCESS_GROUP_TYPE int
-#endif
-
-#ifdef HAVE_SGTTY
-#ifdef SHORT_PGRP
-/* This is only used for the ultra.  Does it have pid_t?  */
-#define PROCESS_GROUP_TYPE short
-#else
-#define PROCESS_GROUP_TYPE int
-#endif
-#endif /* sgtty */
 
 #ifdef HAVE_SYS_IOCTL_H
 #include <sys/ioctl.h>

gdb/inflow.h

@@ -0,0 +1,51 @@
+/* Low level interface to ptrace, for GDB when running under Unix.
+
+   Copyright 2003 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 2 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, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef INFLOW_H
+#define INFLOW_H
+
+#include "terminal.h"		/* For HAVE_TERMIOS et.al.  */
+
+#ifdef HAVE_TERMIOS
+#define PROCESS_GROUP_TYPE pid_t
+#endif
+
+#ifdef HAVE_TERMIO
+#define PROCESS_GROUP_TYPE int
+#endif
+
+#ifdef HAVE_SGTTY
+#ifdef SHORT_PGRP
+/* This is only used for the ultra.  Does it have pid_t?  */
+#define PROCESS_GROUP_TYPE short
+#else
+#define PROCESS_GROUP_TYPE int
+#endif
+#endif /* sgtty */
+
+#ifdef PROCESS_GROUP_TYPE
+/* Process group for us and the inferior.  Saved and restored just like
+   {our,inferior}_ttystate.  */
+extern PROCESS_GROUP_TYPE our_process_group;
+extern PROCESS_GROUP_TYPE inferior_process_group;
+#endif
+
+#endif

gdb/inftarg.c

@@ -36,6 +36,7 @@
 #include <fcntl.h>
 
 #include "gdb_wait.h"
+#include "inflow.h"
 
 extern struct symtab_and_line *child_enable_exception_callback (enum
 								exception_event_kind,
@@ -512,8 +513,6 @@ child_can_run (void)
 static void
 child_stop (void)
 {
-  extern pid_t inferior_process_group;
-
   kill (-inferior_process_group, SIGINT);
 }
 

gdb/procfs.c

@@ -43,6 +43,7 @@ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #include <signal.h>
 #include <ctype.h>
 #include "gdb_assert.h"
+#include "inflow.h"
 
 /* 
  * PROCFS.C
@@ -4606,8 +4607,6 @@ procfs_can_run (void)
 static void
 procfs_stop (void)
 {
-  extern pid_t inferior_process_group;
-
   kill (-inferior_process_group, SIGINT);
 }