From ff9d9088329fc8270d1d9b89faf9187c33a854ac Mon Sep 17 00:00:00 2001
From: akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 24 Nov 2009 11:03:51 +0000
Subject: * include/ruby/ruby.h (rb_bug_errno): declared.

* include/ruby/intern.h (rb_strerrno): declaration removed.

* error.c (rb_strerrno): make it static.  return NULL for unknown
  errors.
  (rb_bug_errno): defined.

* thread_pthread.c: use rb_bug_errno.

* signal.c (ruby_signal): use rb_bug_errno.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25904 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 error.c | 37 +++++++++++++++++++++++++------------
 1 file changed, 25 insertions(+), 12 deletions(-)

(limited to 'error.c')

diff --git a/error.c b/error.c
index 9633e9e252..55834a3cd8 100644
--- a/error.c
+++ b/error.c
@@ -24,6 +24,17 @@
 
 extern const char ruby_description[];
 
+static const char *
+rb_strerrno(int err)
+{
+#define defined_error(name, num) if (err == num) return name;
+#define undefined_error(name) 
+#include "known_errors.inc"
+#undef defined_error
+#undef undefined_error
+    return NULL;
+}
+
 static int
 err_position_0(char *buf, long len, const char *file, int line)
 {
@@ -235,6 +246,20 @@ rb_bug(const char *fmt, ...)
     abort();
 }
 
+void
+rb_bug_errno(const char *mesg, int errno_arg)
+{
+    if (errno_arg == 0)
+        rb_bug("%s: errno == 0 (NOERROR)", mesg);
+    else {
+        const char *errno_str = rb_strerrno(errno_arg);
+        if (errno_str)
+            rb_bug("%s: %s (%s)", mesg, strerror(errno_arg), errno_str);
+        else
+            rb_bug("%s: %s (%d)", mesg, strerror(errno_arg), errno_arg);
+    }
+}
+
 void
 rb_compile_bug(const char *file, int line, const char *fmt, ...)
 {
@@ -1258,18 +1283,6 @@ Init_syserr(void)
 #undef undefined_error
 }
 
-const char *
-rb_strerrno(int err)
-{
-    if (err == 0) return "NOERROR";
-#define defined_error(name, num) if (err == num) return name;
-#define undefined_error(name) 
-#include "known_errors.inc"
-#undef defined_error
-#undef undefined_error
-    return "UNKNOWNERROR";
-}
-
 static void
 err_append(const char *s)
 {
-- 
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