Move test programs to tests/ subdir

[urcu.git] / debug_yield.patch

diff --git a/debug_yield.patch b/debug_yield.patch
deleted file mode 100644 (file)
index 08c04aa..0000000
--- a/debug_yield.patch
+++ /dev/null
@@ -1,139 +0,0 @@
-diff --git a/urcu.c b/urcu.c
-index 162ce00..018e09b 100644
---- a/urcu.c
-+++ b/urcu.c
-@@ -91,24 +91,17 @@ static void force_mb_all_threads(void)
-        */
-       if (!reader_data)
-               return;
--      debug_yield_write();
-       sig_done = 0;
--      debug_yield_write();
-       smp_mb();       /* write sig_done before sending the signals */
--      debug_yield_write();
--      for (index = reader_data; index < reader_data + num_readers; index++) {
-+      for (index = reader_data; index < reader_data + num_readers; index++)
-               pthread_kill(index->tid, SIGURCU);
--              debug_yield_write();
--      }
-       /*
-        * Wait for sighandler (and thus mb()) to execute on every thread.
-        * BUSY-LOOP.
-        */
-       while (sig_done < num_readers)
-               barrier();
--      debug_yield_write();
-       smp_mb();       /* read sig_done before ending the barrier */
--      debug_yield_write();
- }
- #endif
- 
-@@ -135,13 +128,10 @@ void synchronize_rcu(void)
-        * where new ptr points to. */
-       /* Write new ptr before changing the qparity */
-       force_mb_all_threads();
--      debug_yield_write();
- 
-       internal_urcu_lock();
--      debug_yield_write();
- 
-       switch_next_urcu_qparity();     /* 0 -> 1 */
--      debug_yield_write();
- 
-       /*
-        * Must commit qparity update to memory before waiting for parity
-@@ -155,7 +145,6 @@ void synchronize_rcu(void)
-        * Wait for previous parity to be empty of readers.
-        */
-       wait_for_quiescent_state();     /* Wait readers in parity 0 */
--      debug_yield_write();
- 
-       /*
-        * Must finish waiting for quiescent state for parity 0 before
-@@ -166,7 +155,6 @@ void synchronize_rcu(void)
-       smp_mb();
- 
-       switch_next_urcu_qparity();     /* 1 -> 0 */
--      debug_yield_write();
- 
-       /*
-        * Must commit qparity update to memory before waiting for parity
-@@ -180,17 +168,14 @@ void synchronize_rcu(void)
-        * Wait for previous parity to be empty of readers.
-        */
-       wait_for_quiescent_state();     /* Wait readers in parity 1 */
--      debug_yield_write();
- 
-       internal_urcu_unlock();
--      debug_yield_write();
- 
-       /* All threads should finish using the data referred to by old ptr
-        * before decrementing their urcu_active_readers count */
-       /* Finish waiting for reader threads before letting the old ptr being
-        * freed. */
-       force_mb_all_threads();
--      debug_yield_write();
- }
- 
- void urcu_add_reader(pthread_t id)
-diff --git a/urcu.h b/urcu.h
-index 92b31df..1b663c7 100644
---- a/urcu.h
-+++ b/urcu.h
-@@ -219,13 +219,11 @@ static inline int rcu_old_gp_ongoing(long *value)
- 
-       if (value == NULL)
-               return 0;
--      debug_yield_write();
-       /*
-        * Make sure both tests below are done on the same version of *value
-        * to insure consistency.
-        */
-       v = ACCESS_ONCE(*value);
--      debug_yield_write();
-       return (v & RCU_GP_CTR_NEST_MASK) &&
-                ((v ^ urcu_gp_ctr) & RCU_GP_CTR_BIT);
- }
-@@ -234,34 +232,27 @@ static inline void rcu_read_lock(void)
- {
-       long tmp;
- 
--      debug_yield_read();
-       tmp = urcu_active_readers;
--      debug_yield_read();
-       /* urcu_gp_ctr = RCU_GP_COUNT | (~RCU_GP_CTR_BIT or RCU_GP_CTR_BIT) */
-       if (likely(!(tmp & RCU_GP_CTR_NEST_MASK)))
-               urcu_active_readers = urcu_gp_ctr;
-       else
-               urcu_active_readers = tmp + RCU_GP_COUNT;
--      debug_yield_read();
-       /*
-        * Increment active readers count before accessing the pointer.
-        * See force_mb_all_threads().
-        */
-       read_barrier();
--      debug_yield_read();
- }
- 
- static inline void rcu_read_unlock(void)
- {
--      debug_yield_read();
-       read_barrier();
--      debug_yield_read();
-       /*
-        * Finish using rcu before decrementing the pointer.
-        * See force_mb_all_threads().
-        */
-       urcu_active_readers -= RCU_GP_COUNT;
--      debug_yield_read();
- }
- 
- /**
-@@ -302,7 +293,6 @@ extern void synchronize_rcu(void);
- #define urcu_publish_content(p, v) \
-       ({ \
-               void *oldptr; \
--              debug_yield_write(); \
-               oldptr = rcu_xchg_pointer(p, v); \
-               synchronize_rcu(); \
-               oldptr; \