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-rw-r--r--erts/include/internal/ethr_mutex.h6
-rw-r--r--erts/include/internal/ethread.h97
-rw-r--r--erts/include/internal/ose/ethr_event.h113
3 files changed, 209 insertions, 7 deletions
diff --git a/erts/include/internal/ethr_mutex.h b/erts/include/internal/ethr_mutex.h
index 86a1e9fbdf..ee861065c5 100644
--- a/erts/include/internal/ethr_mutex.h
+++ b/erts/include/internal/ethr_mutex.h
@@ -97,7 +97,7 @@ void LeaveCriticalSection(CRITICAL_SECTION *);
#if 0
# define ETHR_MTX_Q_LOCK_SPINLOCK__
# define ETHR_MTX_QLOCK_TYPE__ ethr_spinlock_t
-#elif defined(ETHR_PTHREADS)
+#elif defined(ETHR_PTHREADS) || defined(ETHR_OSE_THREADS)
# define ETHR_MTX_Q_LOCK_PTHREAD_MUTEX__
# define ETHR_MTX_QLOCK_TYPE__ pthread_mutex_t
#elif defined(ETHR_WIN32_THREADS)
@@ -210,7 +210,7 @@ struct ethr_cond_ {
#endif
};
-#elif defined(ETHR_PTHREADS) && !defined(ETHR_DBG_WIN_MTX_WITH_PTHREADS)
+#elif (defined(ETHR_PTHREADS) || defined(ETHR_OSE_THREADS)) && !defined(ETHR_DBG_WIN_MTX_WITH_PTHREADS)
typedef struct ethr_mutex_ ethr_mutex;
struct ethr_mutex_ {
@@ -633,7 +633,7 @@ ETHR_INLINE_MTX_FUNC_NAME_(ethr_mutex_unlock)(ethr_mutex *mtx)
#endif /* ETHR_TRY_INLINE_FUNCS */
-#elif defined(ETHR_PTHREADS) && !defined(ETHR_DBG_WIN_MTX_WITH_PTHREADS)
+#elif (defined(ETHR_PTHREADS) || defined(ETHR_OSE_THREADS)) && !defined(ETHR_DBG_WIN_MTX_WITH_PTHREADS)
#if defined(ETHR_TRY_INLINE_FUNCS) || defined(ETHR_MUTEX_IMPL__)
diff --git a/erts/include/internal/ethread.h b/erts/include/internal/ethread.h
index 3a676e2a36..64f1fae6d8 100644
--- a/erts/include/internal/ethread.h
+++ b/erts/include/internal/ethread.h
@@ -37,6 +37,11 @@
# define ETHR_DEBUG
#endif
+#if defined(__PPC__) || defined (__POWERPC)
+/* OSE compiler should be fixed! */
+#define __ppc__
+#endif
+
#if defined(ETHR_DEBUG)
# undef ETHR_XCHK
# define ETHR_XCHK 1
@@ -190,6 +195,30 @@ typedef DWORD ethr_tsd_key;
#define ETHR_YIELD() (Sleep(0), 0)
+#elif defined(ETHR_OSE_THREADS)
+
+#include "ose.h"
+#undef NIL
+
+#if defined(ETHR_HAVE_PTHREAD_H)
+#include <pthread.h>
+#endif
+
+typedef struct {
+ PROCESS id;
+ unsigned int tsd_key_index;
+ void *res;
+} ethr_tid;
+
+typedef OSPPDKEY ethr_tsd_key;
+
+#undef ETHR_HAVE_ETHR_SIG_FUNCS
+
+/* Out own RW mutexes are probably faster, but use OSEs mutexes */
+#define ETHR_USE_OWN_RWMTX_IMPL__
+
+#define ETHR_HAVE_THREAD_NAMES
+
#else /* No supported thread lib found */
#ifdef ETHR_NO_SUPP_THR_LIB_NOT_FATAL
@@ -367,7 +396,7 @@ extern ethr_runtime_t ethr_runtime__;
#include "ethr_atomics.h" /* The atomics API */
-#if defined(__GNUC__)
+#if defined(__GNUC__) && !defined(ETHR_OSE_THREADS)
# ifndef ETHR_SPIN_BODY
# if defined(__i386__) || defined(__x86_64__)
# define ETHR_SPIN_BODY __asm__ __volatile__("rep;nop" : : : "memory")
@@ -383,9 +412,20 @@ extern ethr_runtime_t ethr_runtime__;
# ifndef ETHR_SPIN_BODY
# define ETHR_SPIN_BODY do {YieldProcessor();ETHR_COMPILER_BARRIER;} while(0)
# endif
+#elif defined(ETHR_OSE_THREADS)
+# ifndef ETHR_SPIN_BODY
+# define ETHR_SPIN_BODY set_pri(get_pri(current_process()))
+# else
+# error "OSE should use set_pri(get_pri(current_process()))"
+# endif
#endif
+#ifndef ETHR_OSE_THREADS
#define ETHR_YIELD_AFTER_BUSY_LOOPS 50
+#else
+#define ETHR_YIELD_AFTER_BUSY_LOOPS 0
+#endif
+
#ifndef ETHR_SPIN_BODY
# define ETHR_SPIN_BODY ETHR_COMPILER_BARRIER
@@ -408,12 +448,18 @@ extern ethr_runtime_t ethr_runtime__;
# else
# define ETHR_YIELD() (pthread_yield(), 0)
# endif
+# elif defined(ETHR_OSE_THREADS)
+# define ETHR_YIELD() (set_pri(get_pri(current_process())), 0)
# else
# define ETHR_YIELD() (ethr_compiler_barrier(), 0)
# endif
#endif
-#ifdef VALGRIND /* mutex as fallback for spinlock for VALGRIND */
+#if defined(VALGRIND) || defined(ETHR_OSE_THREADS)
+/* mutex as fallback for spinlock for VALGRIND and OSE.
+ OSE cannot use spinlocks as processes working on the
+ same execution unit have a tendency to deadlock.
+ */
# undef ETHR_HAVE_NATIVE_SPINLOCKS
# undef ETHR_HAVE_NATIVE_RWSPINLOCKS
#else
@@ -459,9 +505,19 @@ typedef struct {
typedef struct {
int detached; /* boolean (default false) */
int suggested_stack_size; /* kilo words (default sys dependent) */
+#ifdef ETHR_OSE_THREADS
+ char *name;
+ U32 coreNo;
+#endif
} ethr_thr_opts;
+#if defined(ETHR_OSE_THREADS)
+/* Default ethr name is big as we want to be able to sprint stuff in there */
+#define ETHR_THR_OPTS_DEFAULT_INITER \
+ {0, -1, "ethread", 0}
+#else
#define ETHR_THR_OPTS_DEFAULT_INITER {0, -1}
+#endif
#if !defined(ETHR_TRY_INLINE_FUNCS) || defined(ETHR_AUX_IMPL__)
@@ -479,7 +535,7 @@ void ethr_thr_exit(void *);
ethr_tid ethr_self(void);
int ethr_equal_tids(ethr_tid, ethr_tid);
-int ethr_tsd_key_create(ethr_tsd_key *);
+int ethr_tsd_key_create(ethr_tsd_key *,char *);
int ethr_tsd_key_delete(ethr_tsd_key);
int ethr_tsd_set(ethr_tsd_key, void *);
void *ethr_tsd_get(ethr_tsd_key);
@@ -571,8 +627,10 @@ typedef struct ethr_ts_event_ ethr_ts_event; /* Needed by ethr_mutex.h */
#if defined(ETHR_WIN32_THREADS)
# include "win/ethr_event.h"
-#else
+#elif defined(ETHR_PTHREADS)
# include "pthread/ethr_event.h"
+#elif defined(ETHR_OSE_THREADS)
+# include "ose/ethr_event.h"
#endif
int ethr_set_main_thr_status(int, int);
@@ -662,6 +720,37 @@ ETHR_INLINE_FUNC_NAME_(ethr_leave_ts_event)(ethr_ts_event *tsep)
#endif
+#elif defined (ETHR_OSE_THREADS)
+
+#if defined(ETHR_TRY_INLINE_FUNCS) || defined(ETHREAD_IMPL__)
+
+extern ethr_tsd_key ethr_ts_event_key__;
+
+static ETHR_INLINE ethr_ts_event *
+ETHR_INLINE_FUNC_NAME_(ethr_get_ts_event)(void)
+{
+ ethr_ts_event *tsep = *(ethr_ts_event**)ose_get_ppdata(ethr_ts_event_key__);
+ if (!tsep) {
+ int res = ethr_get_tmp_ts_event__(&tsep);
+ if (res != 0)
+ ETHR_FATAL_ERROR__(res);
+ ETHR_ASSERT(tsep);
+ }
+ return tsep;
+}
+
+static ETHR_INLINE void
+ETHR_INLINE_FUNC_NAME_(ethr_leave_ts_event)(ethr_ts_event *tsep)
+{
+ if (tsep->iflgs & ETHR_TS_EV_TMP) {
+ int res = ethr_free_ts_event__(tsep);
+ if (res != 0)
+ ETHR_FATAL_ERROR__(res);
+ }
+}
+
+#endif
+
#endif
#include "ethr_mutex.h" /* Need atomic declarations and tse */
diff --git a/erts/include/internal/ose/ethr_event.h b/erts/include/internal/ose/ethr_event.h
new file mode 100644
index 0000000000..000a600813
--- /dev/null
+++ b/erts/include/internal/ose/ethr_event.h
@@ -0,0 +1,113 @@
+/*
+ * %CopyrightBegin%
+ *
+ * Copyright Ericsson AB 2009-2011. All Rights Reserved.
+ *
+ * The contents of this file are subject to the Erlang Public License,
+ * Version 1.1, (the "License"); you may not use this file except in
+ * compliance with the License. You should have received a copy of the
+ * Erlang Public License along with this software. If not, it can be
+ * retrieved online at http://www.erlang.org/.
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * %CopyrightEnd%
+ */
+
+/*
+ * Author: Rickard Green
+ */
+
+//#define USE_PTHREAD_API
+
+#define ETHR_EVENT_OFF_WAITER__ -1L
+#define ETHR_EVENT_OFF__ 1L
+#define ETHR_EVENT_ON__ 0L
+
+#ifdef USE_PTHREAD_API
+
+typedef struct {
+ ethr_atomic32_t state;
+ pthread_mutex_t mtx;
+ pthread_cond_t cnd;
+} ethr_event;
+
+#if defined(ETHR_TRY_INLINE_FUNCS) || defined(ETHR_EVENT_IMPL__)
+
+static void ETHR_INLINE
+ETHR_INLINE_FUNC_NAME_(ethr_event_set)(ethr_event *e)
+{
+ ethr_sint32_t val;
+ val = ethr_atomic32_xchg_mb(&e->state, ETHR_EVENT_ON__);
+ if (val == ETHR_EVENT_OFF_WAITER__) {
+ int res = pthread_mutex_lock(&e->mtx);
+ if (res != 0)
+ ETHR_FATAL_ERROR__(res);
+ res = pthread_cond_signal(&e->cnd);
+ if (res != 0)
+ ETHR_FATAL_ERROR__(res);
+ res = pthread_mutex_unlock(&e->mtx);
+ if (res != 0)
+ ETHR_FATAL_ERROR__(res);
+ }
+}
+
+static void ETHR_INLINE
+ETHR_INLINE_FUNC_NAME_(ethr_event_reset)(ethr_event *e)
+{
+ ethr_atomic32_set(&e->state, ETHR_EVENT_OFF__);
+ ETHR_MEMORY_BARRIER;
+}
+
+#endif
+
+#else
+
+typedef struct {
+ ethr_atomic32_t state;
+ PROCESS proc;
+} ethr_event;
+
+#if defined(ETHR_TRY_INLINE_FUNCS) || defined(ETHR_EVENT_IMPL__)
+
+static void ETHR_INLINE
+ETHR_INLINE_FUNC_NAME_(ethr_event_set)(ethr_event *e)
+{
+ ethr_sint32_t val = ethr_atomic32_xchg_mb(&e->state, ETHR_EVENT_ON__);
+ if (val == ETHR_EVENT_OFF_WAITER__) {
+#ifdef DEBUG
+ OSFSEMVAL fsem_val = get_fsem(e->proc);
+
+ /* There is a race in this assert.
+ This is because the state is set before the wait call in wait__.
+ We hope that a delay of 10 ms is enough */
+ if (fsem_val == 0)
+ delay(10);
+ ETHR_ASSERT(get_fsem(e->proc) == -1);
+#endif
+ signal_fsem(e->proc);
+ }
+}
+
+static void ETHR_INLINE
+ETHR_INLINE_FUNC_NAME_(ethr_event_reset)(ethr_event *e)
+{
+ ethr_atomic32_set(&e->state, ETHR_EVENT_OFF__);
+ ETHR_MEMORY_BARRIER;
+}
+
+#endif
+
+#endif
+
+int ethr_event_init(ethr_event *e);
+int ethr_event_destroy(ethr_event *e);
+int ethr_event_wait(ethr_event *e);
+int ethr_event_swait(ethr_event *e, int spincount);
+#if !defined(ETHR_TRY_INLINE_FUNCS) || defined(ETHR_EVENT_IMPL__)
+void ethr_event_set(ethr_event *e);
+void ethr_event_reset(ethr_event *e);
+#endif
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