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vm_dump.c: no methods in segv handler

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* vm_dump.c (rb_vm_bugreport): get rid of calling methods in sigsegv
  handler.  based on a patch by charliesome (Charlie Somerville)
  [ruby-core:49573] [Bug #7402]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38041 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2012-11-30 07:19:16 +00:00
parent b5d8a0b339
commit 981f9c52c6
3 changed files with 27 additions and 2 deletions
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6
ChangeLog
View file

@ -1,3 +1,9 @@
Fri Nov 30 16:19:14 2012 Nobuyoshi Nakada <nobu@ruby-lang.org>
* vm_dump.c (rb_vm_bugreport): get rid of calling methods in sigsegv
handler. based on a patch by charliesome (Charlie Somerville)
[ruby-core:49573] [Bug #7402]
Fri Nov 30 16:05:44 2012 Eric Hodel <drbrain@segment7.net>
* NEWS: Added RubyGems 2.0.0

7
test/ruby/test_rubyoptions.rb
View file

@ -508,6 +508,13 @@ class TestRubyOptions < Test::Unit::TestCase
)x,
nil,
opts)
bug7402 = '[ruby-core:49573]'
status = assert_in_out_err(['-e', 'class Bogus; def to_str; exit true; end; end',
'-e', '$".unshift Bogus.new',
'-e', 'Process.kill :SEGV, $$'],
"", //, /#<Bogus:/)
assert_not_predicate(status, :success?, "segv but success #{bug7402}")
end
def test_DATA

16
vm_dump.c
View file

@ -675,14 +675,26 @@ rb_vm_bugreport(void)
if (vm) {
int i;
VALUE name;
long len;
const int max_name_length = 1024;
# define LIMITED_NAME_LENGTH(s) \
(((len = RSTRING_LEN(s)) > max_name_length) ? max_name_length : (int)len)
name = vm->progname;
fprintf(stderr, "* Loaded script: %s\n", StringValueCStr(name));
fprintf(stderr, "* Loaded script: %.*s\n",
LIMITED_NAME_LENGTH(name), RSTRING_PTR(name));
fprintf(stderr, "\n");
fprintf(stderr, "* Loaded features:\n\n");
for (i=0; i<RARRAY_LEN(vm->loaded_features); i++) {
name = RARRAY_PTR(vm->loaded_features)[i];
fprintf(stderr, " %4d %s\n", i, StringValueCStr(name));
if (RB_TYPE_P(name, T_STRING)) {
fprintf(stderr, " %4d %.*s\n", i,
LIMITED_NAME_LENGTH(name), RSTRING_PTR(name));
}
else {
fprintf(stderr, " %4d #<%s:%p>\n", i,
rb_class2name(CLASS_OF(name)), (void *)name);
}
}
fprintf(stderr, "\n");
}