Io wait fix

PullRequest: truffleruby/660

Author: aardvark179

CHANGELOG.md

@@ -1,5 +1,9 @@
 # 1.0 RC 14
 
+Bug fixes:
+
+* Implement `rb_io_wait_writable` (#1586).
+
 Changes:
 
 * `-Xoptions` has been removed - use `--help:languages` instead.

spec/tags/optional/capi/class_tags.txt

@@ -1,3 +1,2 @@
-fails:C-API Class function rb_call_super calls the method in the superclass through two native levels
 fails(autoload):C-API Class function rb_path2class resolves autoload constants
 fails(autoload):C-API Class function rb_path_to_class resolves autoload constants

spec/tags/optional/capi/kernel_tags.txt

@@ -1,2 +1 @@
 fails(uses-fork):C-API Kernel function rb_set_end_proc runs a C function on shutdown
-fails:C-API Kernel function rb_yield rb_yield to block passed to enumerator

spec/tags/optional/capi/module_tags.txt

@@ -1,4 +1,3 @@
-fails:C-API Struct function rb_struct_define_under returns the member names as Symbols
 fails:C-API Struct function rb_struct_define raises an ArgumentError if arguments contain duplicate member name
 fails:C-API Struct function rb_struct_getmember returns the value of a struct member
 fails:C-API Struct function rb_struct_getmember raises a NameError if the struct member does not exist

spec/tags/optional/capi/struct_tags.txt

@@ -2531,7 +2531,7 @@ int rb_io_wait_writable(int fd) {
   #if defined(EWOULDBLOCK) && EWOULDBLOCK != EAGAIN
     case EWOULDBLOCK:
   #endif
-      rb_tr_error("rb_io_wait_writable wait case not implemented");
+      rb_thread_fd_writable(fd);
       return true;
 
     default: