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[Guile-commits] GNU Guile branch, stable-2.0, updated. v2.0.1-83-gf2ed44
From: |
Andy Wingo |
Subject: |
[Guile-commits] GNU Guile branch, stable-2.0, updated. v2.0.1-83-gf2ed447 |
Date: |
Mon, 23 May 2011 20:38:25 +0000 |
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http://git.savannah.gnu.org/cgit/guile.git/commit/?id=f2ed447383f0398777719a2cda92c38e9838bf85
The branch, stable-2.0 has been updated
via f2ed447383f0398777719a2cda92c38e9838bf85 (commit)
from b34608813de5fce7f8caee63bdbaeab445eb366e (commit)
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- Log -----------------------------------------------------------------
commit f2ed447383f0398777719a2cda92c38e9838bf85
Author: Andy Wingo <address@hidden>
Date: Mon May 23 22:38:13 2011 +0200
set-procedure-property! threadsafety issue
* libguile/procprop.c (scm_set_procedure_property_x): Fix a threadsafety
bug pointed out by Ken Raeburn.
-----------------------------------------------------------------------
Summary of changes:
libguile/procprop.c | 17 +++++++++--------
1 files changed, 9 insertions(+), 8 deletions(-)
diff --git a/libguile/procprop.c b/libguile/procprop.c
index 2263d28..c3fb90e 100644
--- a/libguile/procprop.c
+++ b/libguile/procprop.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995,1996,1998,2000,2001,2003,2004, 2006, 2008, 2009, 2010
Free Software Foundation, Inc.
+/* Copyright (C) 1995,1996,1998,2000,2001,2003,2004, 2006, 2008, 2009, 2010,
2011 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
@@ -184,14 +184,15 @@ SCM_DEFINE (scm_set_procedure_property_x,
"set-procedure-property!", 3, 0, 0,
SCM_MISC_ERROR ("arity is a deprecated read-only property", SCM_EOL);
#endif
- props = scm_procedure_properties (proc);
-
-#if (SCM_ENABLE_DEPRECATED == 1)
- /* cdr past the consed-on arity. */
- props = scm_cdr (props);
-#endif
-
scm_i_pthread_mutex_lock (&overrides_lock);
+ props = scm_hashq_ref (overrides, proc, SCM_BOOL_F);
+ if (scm_is_false (props))
+ {
+ if (SCM_PROGRAM_P (proc))
+ props = scm_i_program_properties (proc);
+ else
+ props = SCM_EOL;
+ }
scm_hashq_set_x (overrides, proc, scm_assq_set_x (props, key, val));
scm_i_pthread_mutex_unlock (&overrides_lock);
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