diff options
Diffstat (limited to 'erts/include/internal/ethread.h')
-rw-r--r-- | erts/include/internal/ethread.h | 210 |
1 files changed, 71 insertions, 139 deletions
diff --git a/erts/include/internal/ethread.h b/erts/include/internal/ethread.h index 54acd1295a..b23644d361 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% */ @@ -31,6 +32,7 @@ #endif #include <stdlib.h> +#include "ethread_inline.h" #include "erl_errno.h" #if defined(DEBUG) @@ -51,16 +53,13 @@ # 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 @@ -113,6 +112,10 @@ int ethr_assert_failed(const char *file, int line, const char *func, char *a); #error "_GNU_SOURCE not defined. Please, compile all files with -D_GNU_SOURCE." #endif +#ifdef ETHR_HAVE_PTHREAD_SETNAME_NP_1 +#define _DARWIN_C_SOURCE +#endif + #if defined(ETHR_NEED_NPTL_PTHREAD_H) #include <nptl/pthread.h> #elif defined(ETHR_HAVE_MIT_PTHREAD_H) @@ -195,30 +198,6 @@ 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 @@ -285,19 +264,6 @@ 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 @@ -312,14 +278,40 @@ ETHR_PROTO_NORETURN__ ethr_fatal_error__(const char *file, || (defined(_MSC_VER) && (defined(_M_IX86) || defined(_M_AMD64)))) # define ETHR_X86_RUNTIME_CONF__ -# define ETHR_X86_RUNTIME_CONF_HAVE_DW_CMPXCHG__ \ - (__builtin_expect(ethr_runtime__.conf.have_dw_cmpxchg != 0, 1)) -# define ETHR_X86_RUNTIME_CONF_HAVE_NO_DW_CMPXCHG__ \ - (__builtin_expect(ethr_runtime__.conf.have_dw_cmpxchg == 0, 0)) -# define ETHR_X86_RUNTIME_CONF_HAVE_SSE2__ \ - (__builtin_expect(ethr_runtime__.conf.have_sse2 != 0, 1)) -# define ETHR_X86_RUNTIME_CONF_HAVE_NO_SSE2__ \ - (__builtin_expect(ethr_runtime__.conf.have_sse2 == 0, 0)) +# define ETHR_X86_RUNTIME_CONF_HAVE_META(feature) \ + (__builtin_expect(ethr_runtime__.conf.have_##feature != 0, 1)) +# define ETHR_X86_RUNTIME_CONF_HAVE_NO_META(feature) \ + (__builtin_expect(ethr_runtime__.conf.have_##feature == 0, 0)) + +# define ETHR_X86_RUNTIME_CONF_HAVE_DW_CMPXCHG__ \ + ETHR_X86_RUNTIME_CONF_HAVE_META(dw_cmpxchg) +# define ETHR_X86_RUNTIME_CONF_HAVE_NO_DW_CMPXCHG__ \ + ETHR_X86_RUNTIME_CONF_HAVE_NO_META(dw_cmpxchg) +# define ETHR_X86_RUNTIME_CONF_HAVE_SSE2__ \ + ETHR_X86_RUNTIME_CONF_HAVE_META(sse2) +# define ETHR_X86_RUNTIME_CONF_HAVE_NO_SSE2__ \ + ETHR_X86_RUNTIME_CONF_HAVE_NO_META(sse2) +# define ETHR_X86_RUNTIME_CONF_HAVE_RDTSCP__ \ + ETHR_X86_RUNTIME_CONF_HAVE_META(rdtscp) +# define ETHR_X86_RUNTIME_CONF_HAVE_NO_RDTSCP__ \ + ETHR_X86_RUNTIME_CONF_HAVE_NO_META(rdtscp) +# define ETHR_X86_RUNTIME_CONF_HAVE_CONSTANT_TSC__ \ + ETHR_X86_RUNTIME_CONF_HAVE_META(constant_tsc) +# define ETHR_X86_RUNTIME_CONF_HAVE_NO_CONSTANT_TSC__ \ + ETHR_X86_RUNTIME_CONF_HAVE_NO_META(nonstop_tsc) +# define ETHR_X86_RUNTIME_CONF_HAVE_NONSTOP_TSC__ \ + ETHR_X86_RUNTIME_CONF_HAVE_META(nonstop_tsc) +# define ETHR_X86_RUNTIME_CONF_HAVE_NO_NONSTOP_TSC__ \ + ETHR_X86_RUNTIME_CONF_HAVE_NO_META(nonstop_tsc) +# define ETHR_X86_RUNTIME_CONF_HAVE_TSC_RELIABLE__ \ + ETHR_X86_RUNTIME_CONF_HAVE_META(tsc_reliable) +# define ETHR_X86_RUNTIME_CONF_HAVE_NO_TSC_RELIABLE_TSC__ \ + ETHR_X86_RUNTIME_CONF_HAVE_NO_META(tsc_reliable) +# define ETHR_X86_RUNTIME_CONF_HAVE_NONSTOP_TSC_S3__ \ + ETHR_X86_RUNTIME_CONF_HAVE_META(nonstop_tsc_s3) +# define ETHR_X86_RUNTIME_CONF_HAVE_NO_NONSTOP_TSC_S3__ \ + ETHR_X86_RUNTIME_CONF_HAVE_NO_META(nonstop_tsc_s3) + #endif #if (defined(__GNUC__) \ @@ -338,6 +330,11 @@ typedef struct { #if defined(ETHR_X86_RUNTIME_CONF__) int have_dw_cmpxchg; int have_sse2; + int have_rdtscp; + int have_constant_tsc; + int have_tsc_reliable; + int have_nonstop_tsc; + int have_nonstop_tsc_s3; #endif #if defined(ETHR_PPC_RUNTIME_CONF__) int have_lwsync; @@ -380,8 +377,11 @@ 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" @@ -396,19 +396,7 @@ extern ethr_runtime_t ethr_runtime__; #include "ethr_atomics.h" /* The atomics API */ -#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) +#if defined(__GNUC__) # ifndef ETHR_SPIN_BODY # if defined(__i386__) || defined(__x86_64__) # define ETHR_SPIN_BODY __asm__ __volatile__("rep;nop" : : : "memory") @@ -424,20 +412,9 @@ ose_yield(void) # 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 @@ -460,18 +437,13 @@ ose_yield(void) # 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 -#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. - */ +#if defined(VALGRIND) +/* mutex as fallback for spinlock for VALGRIND. */ # undef ETHR_HAVE_NATIVE_SPINLOCKS # undef ETHR_HAVE_NATIVE_RWSPINLOCKS #else @@ -517,20 +489,10 @@ 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 + char *name; /* max 14 char long (default no-name) */ } 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 - +#define ETHR_THR_OPTS_DEFAULT_INITER {0, -1, NULL} #if !defined(ETHR_TRY_INLINE_FUNCS) || defined(ETHR_AUX_IMPL__) # define ETHR_NEED_SPINLOCK_PROTOTYPES__ @@ -545,6 +507,8 @@ 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 *,char *); @@ -556,6 +520,7 @@ 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); @@ -641,8 +606,6 @@ typedef struct ethr_ts_event_ ethr_ts_event; /* Needed by ethr_mutex.h */ # include "win/ethr_event.h" #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); @@ -732,37 +695,6 @@ 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 */ |