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-rw-r--r--ChangeLog5
-rw-r--r--test/ruby/test_thread.rb1
-rw-r--r--thread.c6
3 files changed, 12 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index 4a5734b2b7..8bd8180088 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Fri Dec 4 11:22:40 2015 Nobuyoshi Nakada <nobu@ruby-lang.org>
+
+ * thread.c (rb_thread_setname): name must be ascii-compatible, as
+ pthread APIs do not accept legacy wide char strings.
+
Thu Dec 3 16:02:17 2015 Nobuyoshi Nakada <nobu@ruby-lang.org>
* string.c (rb_obj_as_string): fstring should not be infected.
diff --git a/test/ruby/test_thread.rb b/test/ruby/test_thread.rb
index 0affca294a..516014ac25 100644
--- a/test/ruby/test_thread.rb
+++ b/test/ruby/test_thread.rb
@@ -1067,6 +1067,7 @@ q.pop
bug11756 = '[ruby-core:71774] [Bug #11756]'
t = Thread.start {}
assert_raise(ArgumentError, bug11756) {t.name = "foo\0bar"}
+ assert_raise(ArgumentError, bug11756) {t.name = "foo".encode(Encoding::UTF_32BE)}
ensure
t.kill
t.join
diff --git a/thread.c b/thread.c
index 1444383aa7..6e2d882768 100644
--- a/thread.c
+++ b/thread.c
@@ -2780,7 +2780,13 @@ rb_thread_setname(VALUE thread, VALUE name)
rb_thread_t *th;
GetThreadPtr(thread, th);
if (!NIL_P(name)) {
+ rb_encoding *enc;
StringValueCStr(name);
+ enc = rb_enc_get(name);
+ if (!rb_enc_asciicompat(enc)) {
+ rb_raise(rb_eArgError, "ASCII incompatible encoding (%s)",
+ rb_enc_name(enc));
+ }
name = rb_str_new_frozen(name);
#ifdef SET_ANOTHER_THREAD_NAME
s = RSTRING_PTR(name);