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-rw-r--r--include/ruby/ruby.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/ruby/ruby.h b/include/ruby/ruby.h
index 5bd71121f6..43c5de6057 100644
--- a/include/ruby/ruby.h
+++ b/include/ruby/ruby.h
@@ -1354,6 +1354,7 @@ NORETURN(void rb_sys_fail(const char*));
NORETURN(void rb_sys_fail_str(VALUE));
NORETURN(void rb_mod_sys_fail(VALUE, const char*));
NORETURN(void rb_mod_sys_fail_str(VALUE, VALUE));
+NORETURN(void rb_readwrite_sys_fail(int, const char*));
NORETURN(void rb_iter_break(void));
NORETURN(void rb_iter_break_value(VALUE));
NORETURN(void rb_exit(int));
@@ -1373,6 +1374,10 @@ PRINTF_ARGS(void rb_sys_warning(const char*, ...), 1, 2);
PRINTF_ARGS(void rb_warn(const char*, ...), 1, 2);
PRINTF_ARGS(void rb_compile_warn(const char *, int, const char*, ...), 3, 4);
+/* for rb_readwrite_sys_fail first argument */
+#define RB_IO_WAIT_READABLE 0
+#define RB_IO_WAIT_WRITABLE 1
+
typedef VALUE rb_block_call_func(VALUE, VALUE, int, VALUE*);
VALUE rb_each(VALUE);