gdb/gdb-6.6-bz235197-fork-detach-info.patch

From 57e6b14abc3acde3321011b12a3ba04483119abd Mon Sep 17 00:00:00 2001
From: Jan Kratochvil <jan.kratochvil@redhat.com>
Date: Fri, 27 Oct 2017 21:07:50 +0200
Subject: gdb-6.6-bz235197-fork-detach-info.patch

FileName: gdb-6.6-bz235197-fork-detach-info.patch

;; Notify user of a child forked process being detached (BZ 235197).
;;=push+jan: This is more about discussion if/what should be printed.

2008-03-01  Jan Kratochvil  <jan.kratochvil@redhat.com>

	Port to GDB-6.8pre.
	Remove the `[' character from the GDB-6.8 default message.
---
 gdb/infrun.c                             |  2 +-
 gdb/testsuite/gdb.base/catch-syscall.exp |  4 +--
 gdb/testsuite/gdb.base/fork-detach.c     | 57 ++++++++++++++++++++++++++++++++
 gdb/testsuite/gdb.base/fork-detach.exp   | 36 ++++++++++++++++++++
 4 files changed, 96 insertions(+), 3 deletions(-)
 create mode 100644 gdb/testsuite/gdb.base/fork-detach.c
 create mode 100644 gdb/testsuite/gdb.base/fork-detach.exp

diff --git a/gdb/infrun.c b/gdb/infrun.c
index d7df3c7d57..a8a26fc36d 100644
--- a/gdb/infrun.c
+++ b/gdb/infrun.c
@@ -461,7 +461,7 @@ holding the child stopped.  Try \"set detach-on-fork\" or \
 	      remove_breakpoints_pid (ptid_get_pid (inferior_ptid));
 	    }
 
-	  if (info_verbose || debug_infrun)
+	  if (1 /* Fedora Bug 235197 */ || info_verbose || debug_infrun)
 	    {
 	      /* Ensure that we have a process ptid.  */
 	      ptid_t process_ptid = pid_to_ptid (ptid_get_pid (child_ptid));
diff --git a/gdb/testsuite/gdb.base/catch-syscall.exp b/gdb/testsuite/gdb.base/catch-syscall.exp
index 595ccbeae0..c9dbc3aba2 100644
--- a/gdb/testsuite/gdb.base/catch-syscall.exp
+++ b/gdb/testsuite/gdb.base/catch-syscall.exp
@@ -179,7 +179,7 @@ proc check_for_program_end {} {
     # Deleting the catchpoints
     delete_breakpoints
 
-    gdb_continue_to_end
+    gdb_continue_to_end "" continue 1
 }
 
 proc test_catch_syscall_without_args {} {
@@ -250,7 +250,7 @@ proc test_catch_syscall_with_wrong_args {} {
 	# If it doesn't, everything is right (since we don't have
 	# a syscall named "mlock" in it).  Otherwise, this is a failure.
 	set thistest "catch syscall with unused syscall ($syscall_name)"
-	gdb_continue_to_end $thistest
+	gdb_continue_to_end $thistest continue 1
     }
 }
 
diff --git a/gdb/testsuite/gdb.base/fork-detach.c b/gdb/testsuite/gdb.base/fork-detach.c
new file mode 100644
index 0000000000..0ba8f465f3
--- /dev/null
+++ b/gdb/testsuite/gdb.base/fork-detach.c
@@ -0,0 +1,57 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+   Copyright 2007 Free Software Foundation, Inc.
+
+   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.
+
+   Please email any bugs, comments, and/or additions to this file to:
+   bug-gdb@prep.ai.mit.edu  */
+
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include <assert.h>
+#include <stdlib.h>
+
+static void func (void)
+{
+}
+
+int main (void)
+{
+  pid_t child;
+
+  child = fork ();
+  switch (child)
+    {
+      case -1:
+	abort ();
+      case 0:
+	func ();
+	break;
+      default:
+        {
+/* We do not test the switching to the other fork by GDB `fork 1'.  */
+#if 0
+	  pid_t got;
+
+	  got = waitpid (child, NULL, 0);
+	  assert (got == child);
+#endif
+	  break;
+	}
+    }
+  return 0;
+}
diff --git a/gdb/testsuite/gdb.base/fork-detach.exp b/gdb/testsuite/gdb.base/fork-detach.exp
new file mode 100644
index 0000000000..1f1fcef6c4
--- /dev/null
+++ b/gdb/testsuite/gdb.base/fork-detach.exp
@@ -0,0 +1,36 @@
+# Copyright 2007 Free Software Foundation, Inc.
+
+# 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.
+
+set testfile fork-detach
+set srcfile ${testfile}.c
+set binfile [standard_output_file ${testfile}]
+if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
+    untested "Couldn't compile test program"
+    return -1
+}
+
+# Get things started.
+
+gdb_exit
+gdb_start
+gdb_reinitialize_dir $srcdir/$subdir
+gdb_load ${binfile}
+
+gdb_run_cmd
+# `Starting program: .*' prefix is available since gdb-6.7.
+gdb_test "" \
+         "Detaching after fork from child process.*\\\[Inferior .* exited normally\\\]" \
+         "Info message caught"
-- 
2.14.3