gdb/patches/gdb-6.6-bz229517-gcore-without-terminal.patch

   1 2007-04-22  Jan Kratochvil <jan.kratochvil@redhat.com>
   2
   3         * gdb_gcore.sh: Redirect GDB from `</dev/null'.
   4
   5 2007-04-22  Jan Kratochvil <jan.kratochvil@redhat.com>
   6
   7         * gdb.base/gcorebg.exp, gdb.base/gcorebg.c: New files.
   8
   9
  10 --- /dev/null   1 Jan 1970 00:00:00 -0000
  11 +++ ./gdb/testsuite/gdb.base/gcorebg.c  25 Feb 2007 12:21:20 -0000
  12 @@ -0,0 +1,43 @@
  13 +#include <stdio.h>
  14 +#include <sys/types.h>
  15 +#include <unistd.h>
  16 +#include <stdlib.h>
  17 +#include <signal.h>
  18 +
  19 +int main (int argc, char **argv)
  20 +{
  21 +  pid_t pid = 0;
  22 +  pid_t ppid;
  23 +  char buf[256];
  24 +
  25 +  if (argc != 4)
  26 +    {
  27 +      fprintf (stderr, "Syntax: %s {standard|detached} <gcore command> <core output file>\n",
  28 +              argv[0]);
  29 +      exit (1);
  30 +    }
  31 +
  32 +  pid = fork ();
  33 +
  34 +  switch (pid)
  35 +    {
  36 +      case 0:
  37 +        if (strcmp (argv[1], "detached") == 0)
  38 +         setpgrp ();
  39 +       ppid = getppid ();
  40 +       sprintf (buf, "sh %s -o %s %d", argv[2], argv[3], (int) ppid);
  41 +       system (buf);
  42 +       kill (ppid, SIGTERM);
  43 +       break;
  44 +
  45 +      case -1:
  46 +       perror ("fork err\n");
  47 +       exit (1);
  48 +       break;
  49 +
  50 +      default:
  51 +       sleep (60);
  52 +    }
  53 +
  54 +  return 0;
  55 +}
  56 --- /dev/null   1 Jan 1970 00:00:00 -0000
  57 +++ ./gdb/testsuite/gdb.base/gcorebg.exp        25 Feb 2007 12:21:20 -0000
  58 @@ -0,0 +1,113 @@
  59 +# Copyright 2007 Free Software Foundation, Inc.
  60 +
  61 +# This program is free software; you can redistribute it and/or modify
  62 +# it under the terms of the GNU General Public License as published by
  63 +# the Free Software Foundation; either version 2 of the License, or
  64 +# (at your option) any later version.
  65 +#
  66 +# This program is distributed in the hope that it will be useful,
  67 +# but WITHOUT ANY WARRANTY; without even the implied warranty of
  68 +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  69 +# GNU General Public License for more details.
  70 +#
  71 +# You should have received a copy of the GNU General Public License
  72 +# along with this program; if not, write to the Free Software
  73 +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  74 +
  75 +# Please email any bugs, comments, and/or additions to this file to:
  76 +# bug-gdb@prep.ai.mit.edu
  77 +
  78 +# This file was written by Jan Kratochvil <jan.kratochvil@redhat.com>.
  79 +# This is a test for `gdb_gcore.sh' functionality.
  80 +# It also tests a regression with `gdb_gcore.sh' being run without its
  81 +# accessible terminal.
  82 +
  83 +if ![info exists GCORE] {
  84 +    set GCORE "${srcdir}/../gdb_gcore.sh"
  85 +}
  86 +verbose "using GCORE = $GCORE" 2
  87 +
  88 +set testfile "gcorebg"
  89 +set srcfile  ${testfile}.c
  90 +set binfile  ${objdir}/${subdir}/${testfile}
  91 +set corefile ${objdir}/${subdir}/${testfile}.test
  92 +
  93 +if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  94 +     untested gcorebg.exp
  95 +     return -1
  96 +}
  97 +
  98 +# Cleanup.
  99 +
 100 +proc core_clean {} {
 101 +    global corefile
 102 +
 103 +    foreach file [glob -nocomplain [join [list $corefile *] ""]] {
 104 +       verbose "Delete file $file" 1
 105 +       remote_file target delete $file
 106 +    }
 107 +}
 108 +core_clean
 109 +remote_file target delete "./gdb"
 110 +
 111 +# Generate the core file.
 112 +
 113 +# Provide `./gdb' for `gdb_gcore.sh' running it as a bare `gdb' command.
 114 +# Setup also `$PATH' appropriately.
 115 +# If GDB was not found let `gdb_gcore.sh' to find the system GDB by `$PATH'.
 116 +if {$GDB != "gdb"} {
 117 +    file link ./gdb $GDB
 118 +}
 119 +global env
 120 +set oldpath $env(PATH)
 121 +set env(PATH) [join [list . $env(PATH)] ":"]
 122 +verbose "PATH = $env(PATH)" 2
 123 +
 124 +# Test file body.
 125 +# $detached == "standard" || $detached == "detached"
 126 +
 127 +proc test_body { detached } {
 128 +    global binfile
 129 +    global GCORE
 130 +    global corefile
 131 +
 132 +    set res [remote_spawn target "$binfile $detached $GCORE $corefile"]
 133 +    if { $res < 0 || $res == "" } {
 134 +       fail "Spawning $detached gcore"
 135 +       return 1
 136 +    }
 137 +    pass "Spawning $detached gcore"
 138 +    remote_expect target 20 {
 139 +       timeout {
 140 +           fail "Spawned $detached gcore finished"
 141 +           remote_exec target "kill -9 -[exp_pid -i $res]"
 142 +           return 1
 143 +       }
 144 +       eof {
 145 +           pass "Spawned $detached gcore finished"
 146 +           remote_wait target 20
 147 +       }
 148 +    }
 149 +
 150 +    if {1 == [llength [glob -nocomplain [join [list $corefile *] ""]]]} {
 151 +       pass "Core file generated by $detached gcore"
 152 +    } else {
 153 +       fail "Core file generated by $detached gcore"
 154 +    }
 155 +    core_clean
 156 +}
 157 +
 158 +# First a general `gdb_gcore.sh' spawn with its controlling terminal available.
 159 +
 160 +test_body standard
 161 +
 162 +# And now `gdb_gcore.sh' spawn without its controlling terminal available.
 163 +# It is spawned through `gcorebg.c' using setpgrp ().
 164 +
 165 +test_body detached
 166 +
 167 +
 168 +# Cleanup.
 169 +
 170 +set env(PATH) $oldpath
 171 +remote_file target delete "./gdb"