// A mutex should be manipulated using mutex_lock and mutex_unlock
//
// Confidence: High
// Copyright: (C) Gilles Muller, Julia Lawall, EMN, INRIA, DIKU.  GPLv2.
// URL: http://coccinelle.lip6.fr/rules/mutex2.html
// Options:

@def@
declarer name DEFINE_MUTEX;
identifier m;
@@

DEFINE_MUTEX(m);

@@
identifier def.m;
@@

(
- spin_lock(&m)
+ mutex_lock(&m)
|
- spin_unlock(&m)
+ mutex_unlock(&m)
)