internal.h: rb_syserr_fail_path

* error.c (rb_syserr_fail_path_in): new function split from
  rb_sys_fail_path_in to raise SystemCallError without errno.
* internal.h (rb_syserr_fail_path): like rb_sys_fail_path but without
  errno.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43372 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,11 @@
+Sun Oct 20 15:29:05 2013  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* error.c (rb_syserr_fail_path_in): new function split from
+	  rb_sys_fail_path_in to raise SystemCallError without errno.
+
+	* internal.h (rb_syserr_fail_path): like rb_sys_fail_path but without
+	  errno.
+
 Sun Oct 20 13:58:47 2013  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* include/ruby/ruby.h (rb_obj_wb_unprotect, rb_obj_written),

error.c

@@ -1967,9 +1967,16 @@ void
 rb_sys_fail_path_in(const char *func_name, VALUE path)
 {
     int n = errno;
-    VALUE args[2];
 
     errno = 0;
+    rb_syserr_fail_path_in(func_name, n, path);
+}
+
+void
+rb_syserr_fail_path_in(const char *func_name, int n, VALUE path)
+{
+    VALUE args[2];
+
     if (!path) path = Qnil;
     if (n == 0) {
 	const char *s = !NIL_P(path) ? RSTRING_PTR(path) : "";

internal.h

@@ -413,12 +413,15 @@ void Init_File(void);
 #   pragma GCC visibility push(default)
 # endif
 NORETURN(void rb_sys_fail_path_in(const char *func_name, VALUE path));
+NORETURN(void rb_syserr_fail_path_in(const char *func_name, int err, VALUE path));
 # if defined __GNUC__ && __GNUC__ >= 4
 #   pragma GCC visibility pop
 # endif
 # define rb_sys_fail_path(path) rb_sys_fail_path_in(RUBY_FUNCTION_NAME_STRING, path)
+# define rb_syserr_fail_path(err, path) rb_syserr_fail_path_in(RUBY_FUNCTION_NAME_STRING, (err), (path))
 #else
 # define rb_sys_fail_path(path) rb_sys_fail_str(path)
+# define rb_syserr_fail_path(err, path) rb_sys_fail_str((err), (path))
 #endif
 
 /* gc.c */