From a8fd3e31edfd8dc1640d2e38d27f1c1a415c2bbf Mon Sep 17 00:00:00 2001
From: Paul Bakker <p.j.bakker@polarssl.org>
Date: Tue, 31 Dec 2013 11:54:08 +0100
Subject: [PATCH] Removed POLARSSL_THREADING_DUMMY option

---
 ChangeLog                    |  1 +
 include/polarssl/config.h    | 24 ++----------------------
 include/polarssl/threading.h |  4 ----
 library/threading.c          | 31 -------------------------------
 4 files changed, 3 insertions(+), 57 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 506d96a8a..03215e723 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -20,6 +20,7 @@ Changes
    * Split off curves from ecp.c into ecp_curves.c
    * Curves are now stored fully in ROM
    * Memory usage optimizations in ECP module
+   * Removed POLARSSL_THREADING_DUMMY
 
 Bugfix
    * Fixed bug in mpi_set_bit() on platforms where t_uint is wider than int
diff --git a/include/polarssl/config.h b/include/polarssl/config.h
index dfd107ab6..ca0c1763f 100644
--- a/include/polarssl/config.h
+++ b/include/polarssl/config.h
@@ -806,19 +806,6 @@
  */
 //#define POLARSSL_THREADING_ALT
 
-/**
- * \def POLARSSL_THREADING_DUMMY
- *
- * Provide a dummy threading implementation.
- * Warning: If you use this, all claims of thread-safety in the documentation
- *          are void!
- *
- * Requires: POLARSSL_THREADING_C
- *
- * Uncomment this to enable code to compile like with threading enabled
- */
-//#define POLARSSL_THREADING_DUMMY
-
 /**
  * \def POLARSSL_THREADING_PTHREAD
  *
@@ -1709,8 +1696,8 @@
  * This allows different threading implementations (self-implemented or
  * provided).
  *
- * You will have to enable either POLARSSL_THREADING_ALT,
- * POLARSSL_THREADING_PTHREAD or POLARSSL_THREADING_DUMMY.
+ * You will have to enable either POLARSSL_THREADING_ALT or
+ * POLARSSL_THREADING_PTHREAD.
  *
  * Enable this layer to allow use of mutexes within PolarSSL
  */
@@ -2127,13 +2114,6 @@
 #error "POLARSSL_SSL_SESSION_TICKETS_C defined, but not all prerequisites"
 #endif
 
-#if defined(POLARSSL_THREADING_DUMMY)
-#if !defined(POLARSSL_THREADING_C) || defined(POLARSSL_THREADING_IMPL)
-#error "POLARSSL_THREADING_DUMMY defined, but not all prerequisites"
-#endif
-#define POLARSSL_THREADING_IMPL
-#endif
-
 #if defined(POLARSSL_THREADING_PTHREAD)
 #if !defined(POLARSSL_THREADING_C) || defined(POLARSSL_THREADING_IMPL)
 #error "POLARSSL_THREADING_PTHREAD defined, but not all prerequisites"
diff --git a/include/polarssl/threading.h b/include/polarssl/threading.h
index ceb127798..87071523d 100644
--- a/include/polarssl/threading.h
+++ b/include/polarssl/threading.h
@@ -39,10 +39,6 @@ extern "C" {
 #define POLARSSL_ERR_THREADING_BAD_INPUT_DATA              -0x001C  /**< Bad input parameters to function. */
 #define POLARSSL_ERR_THREADING_MUTEX_ERROR                 -0x001E  /**< Locking / unlocking / free failed with error code. */
 
-#if defined(POLARSSL_THREADING_DUMMY)
-typedef void threading_mutex_t;
-#endif
-
 #if defined(POLARSSL_THREADING_PTHREAD)
 #include <pthread.h>
 typedef pthread_mutex_t threading_mutex_t;
diff --git a/library/threading.c b/library/threading.c
index 659aa7e4b..9ee6aea3f 100644
--- a/library/threading.c
+++ b/library/threading.c
@@ -29,37 +29,6 @@
 
 #include "polarssl/threading.h"
 
-#if defined(POLARSSL_THREADING_DUMMY)
-static int threading_mutex_init_dummy( threading_mutex_t *mutex )
-{
-    ((void) mutex );
-    return( 0 );
-}
-
-static int threading_mutex_free_dummy( threading_mutex_t *mutex )
-{
-    ((void) mutex );
-    return( 0 );
-}
-
-static int threading_mutex_lock_dummy( threading_mutex_t *mutex )
-{
-    ((void) mutex );
-    return( 0 );
-}
-
-static int threading_mutex_unlock_dummy( threading_mutex_t *mutex )
-{
-    ((void) mutex );
-    return( 0 );
-}
-
-int (*polarssl_mutex_init)( threading_mutex_t * ) = threading_mutex_init_dummy;
-int (*polarssl_mutex_free)( threading_mutex_t * ) = threading_mutex_free_dummy;
-int (*polarssl_mutex_lock)( threading_mutex_t * ) = threading_mutex_lock_dummy;
-int (*polarssl_mutex_unlock)( threading_mutex_t * ) = threading_mutex_unlock_dummy;
-#endif /* POLARSSL_THREADING_DUMMY */
-
 #if defined(POLARSSL_THREADING_PTHREAD)
 static int threading_mutex_init_pthread( threading_mutex_t *mutex )
 {