gdb_proc_service.h comment and whitespace synchronization

This commit updates comments and whitespace in GDB's and gdbserver's
gdb_proc_service.h.

gdb/ChangeLog:

	* gdb_proc_service.h: Whitespace change.

gdb/gdbserver/ChangeLog:

	* gdb_proc_service.h: Synchronize comments and whitespace with
	GDB's version of this file.

4 files changed, 42 insertions, 9 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index b1724a028a9..01ae3315de8 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,7 @@
+2018-10-01  Gary Benson <gbenson@redhat.com>
+
+	* gdb_proc_service.h: Whitespace change.
+
 2018-10-01  Tom Tromey  <tom@tromey.com>
 
 	* unittests/scoped_mmap-selftests.c: Don't check HAVE_UNISTD_H.
diff --git a/gdb/gdb_proc_service.h b/gdb/gdb_proc_service.h
index 41175a6fa94..39f0e03c6f4 100644
--- a/gdb/gdb_proc_service.h
+++ b/gdb/gdb_proc_service.h
@@ -70,7 +70,7 @@ EXTERN_C_PUSH
 typedef enum
 {
   PS_OK,		/* Generic "call succeeded".  */
-  PS_ERR,		/* Generic error. */
+  PS_ERR,		/* Generic error.  */
   PS_BADPID,		/* Bad process handle.  */
   PS_BADLID,		/* Bad LWP identifier.  */
   PS_BADADDR,		/* Bad address.  */
diff --git a/gdb/gdbserver/ChangeLog b/gdb/gdbserver/ChangeLog
index 9e7f917460c..8a2185047ad 100644
--- a/gdb/gdbserver/ChangeLog
+++ b/gdb/gdbserver/ChangeLog
@@ -1,3 +1,8 @@
+2018-10-01  Gary Benson <gbenson@redhat.com>
+
+	* gdb_proc_service.h: Synchronize comments and whitespace with
+	GDB's version of this file.
+
 2018-09-25  Tom Tromey  <tom@tromey.com>
 
 	* configure: Rebuild.
diff --git a/gdb/gdbserver/gdb_proc_service.h b/gdb/gdbserver/gdb_proc_service.h
index b3e7004b5da..54ff59dce00 100644
--- a/gdb/gdbserver/gdb_proc_service.h
+++ b/gdb/gdbserver/gdb_proc_service.h
@@ -31,7 +31,30 @@ EXTERN_C_PUSH
 
 EXTERN_C_POP
 
-#else
+#else /* HAVE_PROC_SERVICE_H */
+
+/* The following fallback definitions have been imported and adjusted
+   from glibc's proc_service.h  */
+
+/* Callback interface for libthread_db, functions users must define.
+   Copyright (C) 1999,2002,2003 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+/* The definitions in this file must correspond to those in the debugger.  */
 
 #ifdef HAVE_SYS_PROCFS_H
 #include <sys/procfs.h>
@@ -48,15 +71,16 @@ EXTERN_C_POP
 
 EXTERN_C_PUSH
 
+/* Functions in this interface return one of these status codes.  */
 typedef enum
 {
-  PS_OK,			/* Success.  */
-  PS_ERR,			/* Generic error.  */
-  PS_BADPID,			/* Bad process handle.  */
-  PS_BADLID,			/* Bad LWP id.  */
-  PS_BADADDR,			/* Bad address.  */
-  PS_NOSYM,			/* Symbol not found.  */
-  PS_NOFREGS			/* FPU register set not available.  */
+  PS_OK,		/* Generic "call succeeded".  */
+  PS_ERR,		/* Generic error.  */
+  PS_BADPID,		/* Bad process handle.  */
+  PS_BADLID,		/* Bad LWP identifier.  */
+  PS_BADADDR,		/* Bad address.  */
+  PS_NOSYM,		/* Could not find given symbol.  */
+  PS_NOFREGS		/* FPU register set not available for given LWP.  */
 } ps_err_e;
 
 #ifndef HAVE_LWPID_T