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-rw-r--r--erts/include/internal/ethread.h171
1 files changed, 132 insertions, 39 deletions
diff --git a/erts/include/internal/ethread.h b/erts/include/internal/ethread.h
index ab728c65fa..8964f95652 100644
--- a/erts/include/internal/ethread.h
+++ b/erts/include/internal/ethread.h
@@ -1,18 +1,19 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 2004-2013. All Rights Reserved.
+ * Copyright Ericsson AB 2004-2015. 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/.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
*
- * 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.
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
*
* %CopyrightEnd%
*/
@@ -31,12 +32,18 @@
#endif
#include <stdlib.h>
+#include "ethread_inline.h"
#include "erl_errno.h"
#if defined(DEBUG)
# 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
@@ -46,21 +53,18 @@
# endif
#endif
-#undef ETHR_INLINE
-#if defined(__GNUC__)
-# define ETHR_INLINE __inline__
-#elif defined(__WIN32__)
-# define ETHR_INLINE __forceinline
-#endif
#if defined(ETHR_DEBUG) || !defined(ETHR_INLINE) || ETHR_XCHK \
- || (defined(__GNUC__) && defined(ERTS_MIXED_CYGWIN_VC))
+ || (defined(__GNUC__) && defined(ERTS_MIXED_CYGWIN_VC)) \
+ || (defined(__GNUC__) && defined(ERTS_MIXED_MSYS_VC))
# undef ETHR_INLINE
# define ETHR_INLINE
+# undef ETHR_FORCE_INLINE
+# define ETHR_FORCE_INLINE
# undef ETHR_TRY_INLINE_FUNCS
#endif
/* Assume 64-byte cache line size */
-#define ETHR_CACHE_LINE_SIZE 64
+#define ETHR_CACHE_LINE_SIZE ASSUMED_CACHE_LINE_SIZE
#define ETHR_CACHE_LINE_MASK (ETHR_CACHE_LINE_SIZE - 1)
#define ETHR_CACHE_LINE_ALIGN_SIZE(SZ) \
@@ -190,6 +194,28 @@ 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__
+
#else /* No supported thread lib found */
#ifdef ETHR_NO_SUPP_THR_LIB_NOT_FATAL
@@ -256,19 +282,6 @@ ETHR_PROTO_NORETURN__ ethr_fatal_error__(const char *file,
const char *func,
int err);
-#if !defined(__GNUC__)
-# define ETHR_AT_LEAST_GCC_VSN__(MAJ, MIN, PL) 0
-#elif !defined(__GNUC_MINOR__)
-# define ETHR_AT_LEAST_GCC_VSN__(MAJ, MIN, PL) \
- ((__GNUC__ << 24) >= (((MAJ) << 24) | ((MIN) << 12) | (PL)))
-#elif !defined(__GNUC_PATCHLEVEL__)
-# define ETHR_AT_LEAST_GCC_VSN__(MAJ, MIN, PL) \
- (((__GNUC__ << 24) | (__GNUC_MINOR__ << 12)) >= (((MAJ) << 24) | ((MIN) << 12) | (PL)))
-#else
-# define ETHR_AT_LEAST_GCC_VSN__(MAJ, MIN, PL) \
- (((__GNUC__ << 24) | (__GNUC_MINOR__ << 12) | __GNUC_PATCHLEVEL__) >= (((MAJ) << 24) | ((MIN) << 12) | (PL)))
-#endif
-
#if !ETHR_AT_LEAST_GCC_VSN__(2, 96, 0)
#define __builtin_expect(X, Y) (X)
#endif
@@ -351,8 +364,11 @@ extern ethr_runtime_t ethr_runtime__;
# include "sparc64/ethread.h"
# endif
# endif
-# include "gcc/ethread.h"
+# if ETHR_HAVE_GCC___ATOMIC_BUILTINS
+# include "gcc/ethread.h"
+# endif
# include "libatomic_ops/ethread.h"
+# include "gcc/ethread.h"
# endif
# elif defined(ETHR_HAVE_LIBATOMIC_OPS)
# include "libatomic_ops/ethread.h"
@@ -361,9 +377,25 @@ extern ethr_runtime_t ethr_runtime__;
# endif
#endif /* !ETHR_DISABLE_NATIVE_IMPLS */
+#if !defined(ETHR_HAVE_NATIVE_ATOMIC32) && !defined(ETHR_HAVE_NATIVE_ATOMIC64) && !defined(ETHR_DISABLE_NATIVE_IMPLS) && defined(ETHR_SMP_REQUIRE_NATIVE_IMPLS)
+#error "No native ethread implementation found. If you want to use fallbacks you have to disable native ethread support with configure."
+#endif
+
#include "ethr_atomics.h" /* The atomics API */
-#if defined(__GNUC__)
+#if defined (ETHR_OSE_THREADS)
+static ETHR_INLINE void
+ose_yield(void)
+{
+ if (get_ptype(current_process()) == OS_PRI_PROC) {
+ set_pri(get_pri(current_process()));
+ } else {
+ delay(1);
+ }
+}
+#endif
+
+#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")
@@ -379,9 +411,20 @@ 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 ose_yield()
+# else
+# error "OSE should use ose_yield()"
+# 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
@@ -404,13 +447,20 @@ extern ethr_runtime_t ethr_runtime__;
# else
# define ETHR_YIELD() (pthread_yield(), 0)
# endif
+# elif defined(ETHR_OSE_THREADS)
+# define ETHR_YIELD() (ose_yield(), 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
# include "ethr_optimized_fallbacks.h"
#endif
@@ -454,10 +504,17 @@ typedef struct {
typedef struct {
int detached; /* boolean (default false) */
int suggested_stack_size; /* kilo words (default sys dependent) */
+ char *name; /* max 14 char long (default no-name) */
+#ifdef ETHR_OSE_THREADS
+ U32 coreNo;
+#endif
} ethr_thr_opts;
-#define ETHR_THR_OPTS_DEFAULT_INITER {0, -1}
-
+#if defined(ETHR_OSE_THREADS)
+#define ETHR_THR_OPTS_DEFAULT_INITER {0, -1, NULL, 0}
+#else
+#define ETHR_THR_OPTS_DEFAULT_INITER {0, -1, NULL}
+#endif
#if !defined(ETHR_TRY_INLINE_FUNCS) || defined(ETHR_AUX_IMPL__)
# define ETHR_NEED_SPINLOCK_PROTOTYPES__
@@ -472,9 +529,11 @@ int ethr_thr_join(ethr_tid, void **);
int ethr_thr_detach(ethr_tid);
void ethr_thr_exit(void *);
ethr_tid ethr_self(void);
+int ethr_getname(ethr_tid, char *, size_t);
+void ethr_setname(char *);
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);
@@ -483,6 +542,7 @@ void *ethr_tsd_get(ethr_tsd_key);
#include <signal.h>
int ethr_sigmask(int how, const sigset_t *set, sigset_t *oset);
int ethr_sigwait(const sigset_t *set, int *sig);
+int ethr_kill(const ethr_tid tid, const int sig);
#endif
void ethr_compiler_barrier(void);
@@ -566,8 +626,10 @@ 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);
@@ -657,6 +719,37 @@ 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 */
@@ -693,7 +786,7 @@ static ETHR_INLINE int
ETHR_INLINE_FUNC_NAME_(ethr_rwlock_destroy)(ethr_rwlock_t *lock)
{
#ifdef ETHR_HAVE_NATIVE_RWSPINLOCKS
- return 0;
+ return ethr_native_rwlock_destroy(lock);
#else
return ethr_rwmutex_destroy((ethr_rwmutex *) lock);
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-13 21:29:16 +0000