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-rw-r--r--libguile/error.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/libguile/error.c b/libguile/error.c
index b5565a069..7971046ce 100644
--- a/libguile/error.c
+++ b/libguile/error.c
@@ -1,5 +1,5 @@
-/* Copyright (C) 1995, 1996, 1997, 1998, 2000, 2001, 2004, 2006, 2010,
- * 2012, 2013, 2014 Free Software Foundation, Inc.
+/* Copyright (C) 1995-1998, 2000, 2001, 2004, 2006, 2010, 2012-2014
+ * Free Software Foundation, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
@@ -121,10 +121,13 @@ SCM_DEFINE (scm_strerror, "strerror", 1, 0, 0,
#define FUNC_NAME s_scm_strerror
{
SCM ret;
+ int errnum = scm_to_int (err); /* Must be done outside of the
+ critical section below, to avoid a
+ deadlock on errors. */
scm_dynwind_begin (0);
scm_i_dynwind_pthread_mutex_lock (&scm_i_misc_mutex);
- ret = scm_from_locale_string (strerror (scm_to_int (err)));
+ ret = scm_from_locale_string (strerror (errnum));
scm_dynwind_end ();
return ret;