From 604d320f23c42c349f3f44710bcbc05fde7db661 Mon Sep 17 00:00:00 2001 From: Rickard Green Date: Thu, 4 Jul 2013 17:44:23 +0200 Subject: Make emulator arguments available via the system_info BIF erlang:system_info(emu_args) --- erts/emulator/beam/erl_bif_info.c | 3 ++ erts/emulator/beam/erl_init.c | 2 + erts/emulator/beam/erl_utils.h | 4 ++ erts/emulator/beam/utils.c | 91 +++++++++++++++++++++++++++++++++++++++ 4 files changed, 100 insertions(+) (limited to 'erts') diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c index 74a37f374d..447c1fdf18 100755 --- a/erts/emulator/beam/erl_bif_info.c +++ b/erts/emulator/beam/erl_bif_info.c @@ -2646,6 +2646,9 @@ BIF_RETTYPE system_info_1(BIF_ALIST_1) #endif BIF_RET(am_true); } + else if (ERTS_IS_ATOM_STR("emu_args", BIF_ARG_1)) { + BIF_RET(erts_get_emu_args(BIF_P)); + } else if (ERTS_IS_ATOM_STR("dynamic_trace", BIF_ARG_1)) { #if defined(USE_DTRACE) DECL_AM(dtrace); diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c index 4bae3dfeb4..8d137df7ae 100644 --- a/erts/emulator/beam/erl_init.c +++ b/erts/emulator/beam/erl_init.c @@ -637,6 +637,8 @@ early_init(int *argc, char **argv) /* char envbuf[21]; /* enough for any 64-bit integer */ size_t envbufsz; + erts_save_emu_args(*argc, argv); + erts_sched_compact_load = 1; erts_printf_eterm_func = erts_printf_term; erts_disable_tolerant_timeofday = 0; diff --git a/erts/emulator/beam/erl_utils.h b/erts/emulator/beam/erl_utils.h index a2064bd8a3..79c5105d92 100644 --- a/erts/emulator/beam/erl_utils.h +++ b/erts/emulator/beam/erl_utils.h @@ -24,6 +24,8 @@ #include "erl_smp.h" #include "erl_printf.h" +struct process; + typedef struct { #ifdef DEBUG int smp_api; @@ -155,6 +157,8 @@ Uint32 block_hash(byte *, unsigned, Uint32); Uint32 make_hash2(Eterm); Uint32 make_hash(Eterm); +void erts_save_emu_args(int argc, char **argv); +Eterm erts_get_emu_args(struct process *c_p); Eterm erts_bld_atom(Uint **hpp, Uint *szp, char *str); Eterm erts_bld_uint(Uint **hpp, Uint *szp, Uint ui); diff --git a/erts/emulator/beam/utils.c b/erts/emulator/beam/utils.c index 62caa67ce1..eb1c8f6173 100644 --- a/erts/emulator/beam/utils.c +++ b/erts/emulator/beam/utils.c @@ -3466,6 +3466,97 @@ erts_free_read_env(void *value) erts_free(ERTS_ALC_T_TMP, value); } + +typedef struct { + size_t sz; + char *ptr; +} ErtsEmuArg; + +typedef struct { + int argc; + ErtsEmuArg *arg; + size_t no_bytes; +} ErtsEmuArgs; + +ErtsEmuArgs saved_emu_args = {0}; + +void +erts_save_emu_args(int argc, char **argv) +{ +#ifdef DEBUG + char *end_ptr; +#endif + char *ptr; + int i; + size_t arg_sz[100]; + size_t size; + + ASSERT(!saved_emu_args.argc); + + size = sizeof(ErtsEmuArg)*argc; + for (i = 0; i < argc; i++) { + size_t sz = sys_strlen(argv[i]); + if (i < sizeof(arg_sz)/sizeof(arg_sz[0])) + arg_sz[i] = sz; + size += sz+1; + } + ptr = (char *) malloc(size); +#ifdef DEBUG + end_ptr = ptr + size; +#endif + saved_emu_args.arg = (ErtsEmuArg *) ptr; + ptr += sizeof(ErtsEmuArg)*argc; + saved_emu_args.argc = argc; + saved_emu_args.no_bytes = 0; + for (i = 0; i < argc; i++) { + size_t sz; + if (i < sizeof(arg_sz)/sizeof(arg_sz[0])) + sz = arg_sz[i]; + else + sz = sys_strlen(argv[i]); + saved_emu_args.arg[i].ptr = ptr; + saved_emu_args.arg[i].sz = sz; + saved_emu_args.no_bytes += sz; + ptr += sz+1; + sys_strcpy(saved_emu_args.arg[i].ptr, argv[i]); + } + ASSERT(ptr == end_ptr); +} + +Eterm +erts_get_emu_args(Process *c_p) +{ +#ifdef DEBUG + Eterm *end_hp; +#endif + int i; + Uint hsz; + Eterm *hp, res; + + hsz = saved_emu_args.no_bytes*2; + hsz += saved_emu_args.argc*2; + + hp = HAlloc(c_p, hsz); +#ifdef DEBUG + end_hp = hp + hsz; +#endif + res = NIL; + + for (i = saved_emu_args.argc-1; i >= 0; i--) { + Eterm arg = buf_to_intlist(&hp, + saved_emu_args.arg[i].ptr, + saved_emu_args.arg[i].sz, + NIL); + res = CONS(hp, arg, res); + hp += 2; + } + + ASSERT(hp == end_hp); + + return res; +} + + /* * To be used to silence unused result warnings, but do not abuse it. */ -- cgit v1.2.3 From dbd97f2569af24ef395fa3d60bb2b00543296ce8 Mon Sep 17 00:00:00 2001 From: Rickard Green Date: Fri, 5 Jul 2013 16:40:51 +0200 Subject: Make ethread library information available via system_info BIF erlang:system_info(ethread_info) --- erts/emulator/beam/erl_bif_info.c | 70 +------------- erts/emulator/beam/erl_utils.h | 1 + erts/emulator/beam/utils.c | 196 +++++++++++++++++++++++++++++++++++++- 3 files changed, 198 insertions(+), 69 deletions(-) (limited to 'erts') diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c index 447c1fdf18..b1dc62b4fd 100755 --- a/erts/emulator/beam/erl_bif_info.c +++ b/erts/emulator/beam/erl_bif_info.c @@ -2577,74 +2577,8 @@ BIF_RETTYPE system_info_1(BIF_ALIST_1) hp = hsz ? HAlloc(BIF_P, hsz) : NULL; res = erts_bld_uint(&hp, NULL, erts_dist_buf_busy_limit); BIF_RET(res); - } else if (ERTS_IS_ATOM_STR("print_ethread_info", BIF_ARG_1)) { -#if defined(ETHR_NATIVE_ATOMIC32_IMPL) \ - || defined(ETHR_NATIVE_ATOMIC64_IMPL) \ - || defined(ETHR_NATIVE_DW_ATOMIC_IMPL) - int i; - char **str; -#endif -#ifdef ETHR_NATIVE_ATOMIC32_IMPL - erts_printf("32-bit native atomics: %s\n", - ETHR_NATIVE_ATOMIC32_IMPL); - str = ethr_native_atomic32_ops(); - for (i = 0; str[i]; i++) - erts_printf("ethr_native_atomic32_%s()\n", str[i]); -#endif -#ifdef ETHR_NATIVE_ATOMIC64_IMPL - erts_printf("64-bit native atomics: %s\n", - ETHR_NATIVE_ATOMIC64_IMPL); - str = ethr_native_atomic64_ops(); - for (i = 0; str[i]; i++) - erts_printf("ethr_native_atomic64_%s()\n", str[i]); -#endif -#ifdef ETHR_NATIVE_DW_ATOMIC_IMPL - if (ethr_have_native_dw_atomic()) { - erts_printf("Double word native atomics: %s\n", - ETHR_NATIVE_DW_ATOMIC_IMPL); - str = ethr_native_dw_atomic_ops(); - for (i = 0; str[i]; i++) - erts_printf("ethr_native_dw_atomic_%s()\n", str[i]); - str = ethr_native_su_dw_atomic_ops(); - for (i = 0; str[i]; i++) - erts_printf("ethr_native_su_dw_atomic_%s()\n", str[i]); - } -#endif -#ifdef ETHR_NATIVE_SPINLOCK_IMPL - erts_printf("Native spin-locks: %s\n", ETHR_NATIVE_SPINLOCK_IMPL); -#endif -#ifdef ETHR_NATIVE_RWSPINLOCK_IMPL - erts_printf("Native rwspin-locks: %s\n", ETHR_NATIVE_RWSPINLOCK_IMPL); -#endif -#ifdef ETHR_X86_RUNTIME_CONF_HAVE_SSE2__ - erts_printf("SSE2 support: %s\n", (ETHR_X86_RUNTIME_CONF_HAVE_SSE2__ - ? "yes" : "no")); -#endif -#ifdef ETHR_X86_OUT_OF_ORDER - erts_printf("x86" -#ifdef ARCH_64 - "_64" -#endif - " out of order\n"); -#endif -#ifdef ETHR_SPARC_TSO - erts_printf("Sparc TSO\n"); -#endif -#ifdef ETHR_SPARC_PSO - erts_printf("Sparc PSO\n"); -#endif -#ifdef ETHR_SPARC_RMO - erts_printf("Sparc RMO\n"); -#endif -#if defined(ETHR_PPC_HAVE_LWSYNC) - erts_printf("Have lwsync instruction: yes\n"); -#elif defined(ETHR_PPC_HAVE_NO_LWSYNC) - erts_printf("Have lwsync instruction: no\n"); -#elif defined(ETHR_PPC_RUNTIME_CONF_HAVE_LWSYNC__) - erts_printf("Have lwsync instruction: %s (runtime test)\n", - ETHR_PPC_RUNTIME_CONF_HAVE_LWSYNC__ ? "yes" : "no"); -#endif - BIF_RET(am_true); + } else if (ERTS_IS_ATOM_STR("ethread_info", BIF_ARG_1)) { + BIF_RET(erts_get_ethread_info(BIF_P)); } else if (ERTS_IS_ATOM_STR("emu_args", BIF_ARG_1)) { BIF_RET(erts_get_emu_args(BIF_P)); diff --git a/erts/emulator/beam/erl_utils.h b/erts/emulator/beam/erl_utils.h index 79c5105d92..80d29d554a 100644 --- a/erts/emulator/beam/erl_utils.h +++ b/erts/emulator/beam/erl_utils.h @@ -159,6 +159,7 @@ Uint32 make_hash(Eterm); void erts_save_emu_args(int argc, char **argv); Eterm erts_get_emu_args(struct process *c_p); +Eterm erts_get_ethread_info(struct process * c_p); Eterm erts_bld_atom(Uint **hpp, Uint *szp, char *str); Eterm erts_bld_uint(Uint **hpp, Uint *szp, Uint ui); diff --git a/erts/emulator/beam/utils.c b/erts/emulator/beam/utils.c index eb1c8f6173..a285c1d62b 100644 --- a/erts/emulator/beam/utils.c +++ b/erts/emulator/beam/utils.c @@ -3543,7 +3543,7 @@ erts_get_emu_args(Process *c_p) res = NIL; for (i = saved_emu_args.argc-1; i >= 0; i--) { - Eterm arg = buf_to_intlist(&hp, + Eterm arg = buf_to_intlist(&hp, saved_emu_args.arg[i].ptr, saved_emu_args.arg[i].sz, NIL); @@ -3557,6 +3557,200 @@ erts_get_emu_args(Process *c_p) } +Eterm +erts_get_ethread_info(Process *c_p) +{ + Uint sz, *szp; + Eterm res, *hp, **hpp, *end_hp = NULL; + + sz = 0; + szp = &sz; + hpp = NULL; + + while (1) { + Eterm tup, list, name; +#if defined(ETHR_NATIVE_ATOMIC32_IMPL) \ + || defined(ETHR_NATIVE_ATOMIC64_IMPL) \ + || defined(ETHR_NATIVE_DW_ATOMIC_IMPL) + char buf[1024]; + int i; + char **str; +#endif + + res = NIL; + +#ifdef ETHR_X86_MEMBAR_H__ + + tup = erts_bld_tuple(hpp, szp, 2, + erts_bld_string(hpp, szp, "sse2"), +#ifdef ETHR_X86_RUNTIME_CONF_HAVE_SSE2__ + erts_bld_string(hpp, szp, + (ETHR_X86_RUNTIME_CONF_HAVE_SSE2__ + ? "yes" : "no")) +#else + erts_bld_string(hpp, szp, "yes") +#endif + ); + res = erts_bld_cons(hpp, szp, tup, res); + + tup = erts_bld_tuple(hpp, szp, 2, + erts_bld_string(hpp, szp, + "x86" +#ifdef ARCH_64 + "_64" +#endif + " OOO"), + erts_bld_string(hpp, szp, +#ifdef ETHR_X86_OUT_OF_ORDER + "yes" +#else + "no" +#endif + )); + + res = erts_bld_cons(hpp, szp, tup, res); +#endif + +#ifdef ETHR_SPARC_V9_MEMBAR_H__ + + tup = erts_bld_tuple(hpp, szp, 2, + erts_bld_string(hpp, szp, "Sparc V9"), + erts_bld_string(hpp, szp, +#if defined(ETHR_SPARC_TSO) + "TSO" +#elif defined(ETHR_SPARC_PSO) + "PSO" +#elif defined(ETHR_SPARC_RMO) + "RMO" +#else + "undefined" +#endif + )); + + res = erts_bld_cons(hpp, szp, tup, res); + +#endif + +#ifdef ETHR_PPC_MEMBAR_H__ + + tup = erts_bld_tuple(hpp, szp, 2, + erts_bld_string(hpp, szp, "lwsync"), + erts_bld_string(hpp, szp, +#if defined(ETHR_PPC_HAVE_LWSYNC) + "yes" +#elif defined(ETHR_PPC_HAVE_NO_LWSYNC) + "no" +#elif defined(ETHR_PPC_RUNTIME_CONF_HAVE_LWSYNC__) + ETHR_PPC_RUNTIME_CONF_HAVE_LWSYNC__ ? "yes" : "no" +#else + "undefined" +#endif + )); + + res = erts_bld_cons(hpp, szp, tup, res); + +#endif + + tup = erts_bld_tuple(hpp, szp, 2, + erts_bld_string(hpp, szp, "Native rw-spinlocks"), +#ifdef ETHR_NATIVE_RWSPINLOCK_IMPL + erts_bld_string(hpp, szp, ETHR_NATIVE_RWSPINLOCK_IMPL) +#else + erts_bld_string(hpp, szp, "no") +#endif + ); + res = erts_bld_cons(hpp, szp, tup, res); + + tup = erts_bld_tuple(hpp, szp, 2, + erts_bld_string(hpp, szp, "Native spinlocks"), +#ifdef ETHR_NATIVE_SPINLOCK_IMPL + erts_bld_string(hpp, szp, ETHR_NATIVE_SPINLOCK_IMPL) +#else + erts_bld_string(hpp, szp, "no") +#endif + ); + res = erts_bld_cons(hpp, szp, tup, res); + + + list = NIL; +#ifdef ETHR_NATIVE_DW_ATOMIC_IMPL + if (ethr_have_native_dw_atomic()) { + name = erts_bld_string(hpp, szp, ETHR_NATIVE_DW_ATOMIC_IMPL); + str = ethr_native_dw_atomic_ops(); + for (i = 0; str[i]; i++) { + erts_snprintf(buf, sizeof(buf), "ethr_native_dw_atomic_%s()", str[i]); + list = erts_bld_cons(hpp, szp, + erts_bld_string(hpp, szp, buf), + list); + } + str = ethr_native_su_dw_atomic_ops(); + for (i = 0; str[i]; i++) { + erts_snprintf(buf, sizeof(buf), "ethr_native_su_dw_atomic_%s()", str[i]); + list = erts_bld_cons(hpp, szp, + erts_bld_string(hpp, szp, buf), + list); + } + } + else +#endif + name = erts_bld_string(hpp, szp, "no"); + + tup = erts_bld_tuple(hpp, szp, 3, + erts_bld_string(hpp, szp, "Double word native atomics"), + name, + list); + res = erts_bld_cons(hpp, szp, tup, res); + + list = NIL; +#ifdef ETHR_NATIVE_ATOMIC64_IMPL + name = erts_bld_string(hpp, szp, ETHR_NATIVE_ATOMIC64_IMPL); + str = ethr_native_atomic64_ops(); + for (i = 0; str[i]; i++) { + erts_snprintf(buf, sizeof(buf), "ethr_native_atomic64_%s()", str[i]); + list = erts_bld_cons(hpp, szp, + erts_bld_string(hpp, szp, buf), + list); + } +#else + name = erts_bld_string(hpp, szp, "no"); +#endif + tup = erts_bld_tuple(hpp, szp, 3, + erts_bld_string(hpp, szp, "64-bit native atomics"), + name, + list); + res = erts_bld_cons(hpp, szp, tup, res); + + list = NIL; +#ifdef ETHR_NATIVE_ATOMIC32_IMPL + name = erts_bld_string(hpp, szp, ETHR_NATIVE_ATOMIC32_IMPL); + str = ethr_native_atomic32_ops(); + for (i = 0; str[i]; i++) { + erts_snprintf(buf, sizeof(buf), "ethr_native_atomic32_%s()", str[i]); + list = erts_bld_cons(hpp, szp, + erts_bld_string(hpp, szp, buf), + list); + } +#else + name = erts_bld_string(hpp, szp, "no"); +#endif + tup = erts_bld_tuple(hpp, szp, 3, + erts_bld_string(hpp, szp, "32-bit native atomics"), + name, + list); + res = erts_bld_cons(hpp, szp, tup, res); + + if (hpp) { + HRelease(c_p, end_hp, *hpp) + return res; + } + + hp = HAlloc(c_p, sz); + end_hp = hp + sz; + hpp = &hp; + szp = NULL; + } +} + /* * To be used to silence unused result warnings, but do not abuse it. */ -- cgit v1.2.3 From b3b0c44ca3f1b87c719f782f09dd0331dbb1a351 Mon Sep 17 00:00:00 2001 From: Rickard Green Date: Mon, 8 Jul 2013 18:04:14 +0200 Subject: Make information about use of jump table available via system_info BIF erlang:system_info(beam_jump_table) --- erts/emulator/beam/beam_emu.c | 9 +++++++++ erts/emulator/beam/erl_bif_info.c | 3 +++ erts/emulator/beam/global.h | 2 ++ 3 files changed, 14 insertions(+) (limited to 'erts') diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c index 5781009f58..da36c4437e 100644 --- a/erts/emulator/beam/beam_emu.c +++ b/erts/emulator/beam/beam_emu.c @@ -6256,3 +6256,12 @@ erts_current_reductions(Process *current, Process *p) } } +int +erts_beam_jump_table(void) +{ +#if defined(NO_JUMP_TABLE) + return 0; +#else + return 1; +#endif +} diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c index b1dc62b4fd..e4fbd21c0e 100755 --- a/erts/emulator/beam/erl_bif_info.c +++ b/erts/emulator/beam/erl_bif_info.c @@ -2583,6 +2583,9 @@ BIF_RETTYPE system_info_1(BIF_ALIST_1) else if (ERTS_IS_ATOM_STR("emu_args", BIF_ARG_1)) { BIF_RET(erts_get_emu_args(BIF_P)); } + else if (ERTS_IS_ATOM_STR("beam_jump_table", BIF_ARG_1)) { + BIF_RET(erts_beam_jump_table() ? am_true : am_false); + } else if (ERTS_IS_ATOM_STR("dynamic_trace", BIF_ARG_1)) { #if defined(USE_DTRACE) DECL_AM(dtrace); diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h index 25aedc91c6..e5807b5ce6 100755 --- a/erts/emulator/beam/global.h +++ b/erts/emulator/beam/global.h @@ -1042,6 +1042,8 @@ extern erts_driver_t vanilla_driver; extern erts_driver_t spawn_driver; extern erts_driver_t fd_driver; +int erts_beam_jump_table(void); + /* Should maybe be placed in erl_message.h, but then we get an include mess. */ ERTS_GLB_INLINE Eterm * erts_alloc_message_heap_state(Uint size, -- cgit v1.2.3 From 876d39cd86446ba0fe79ad20f1d261e5d85d659b Mon Sep 17 00:00:00 2001 From: Rickard Green Date: Mon, 8 Jul 2013 17:20:21 +0200 Subject: Refuse to build SMP runtime by default without native atomics Build with fallback can be enabled by passing the `configure` command line argument `--disable-smp-require-native-atomics` --- erts/aclocal.m4 | 309 ++++++++++++++++++++++++++++-------------------------- erts/configure.in | 23 +++- 2 files changed, 177 insertions(+), 155 deletions(-) (limited to 'erts') diff --git a/erts/aclocal.m4 b/erts/aclocal.m4 index 25f40944e7..aeb31fa58a 100644 --- a/erts/aclocal.m4 +++ b/erts/aclocal.m4 @@ -954,6 +954,40 @@ dnl AC_DEFUN(ERL_FIND_ETHR_LIB, [ +AC_ARG_ENABLE(native-ethr-impls, + AS_HELP_STRING([--disable-native-ethr-impls], + [disable native ethread implementations]), +[ case "$enableval" in + no) disable_native_ethr_impls=yes ;; + *) disable_native_ethr_impls=no ;; + esac ], disable_native_ethr_impls=no) + +test "X$disable_native_ethr_impls" = "Xyes" && + AC_DEFINE(ETHR_DISABLE_NATIVE_IMPLS, 1, [Define if you want to disable native ethread implementations]) + +AC_ARG_ENABLE(x86-out-of-order, + AS_HELP_STRING([--enable-x86-out-of-order], + [enable x86/x84_64 out of order support (default disabled)])) + +AC_ARG_ENABLE(prefer-gcc-native-ethr-impls, + AS_HELP_STRING([--enable-prefer-gcc-native-ethr-impls], + [prefer gcc native ethread implementations]), +[ case "$enableval" in + yes) enable_prefer_gcc_native_ethr_impls=yes ;; + *) enable_prefer_gcc_native_ethr_impls=no ;; + esac ], enable_prefer_gcc_native_ethr_impls=no) + +test $enable_prefer_gcc_native_ethr_impls = yes && + AC_DEFINE(ETHR_PREFER_GCC_NATIVE_IMPLS, 1, [Define if you prefer gcc native ethread implementations]) + +AC_ARG_WITH(libatomic_ops, + AS_HELP_STRING([--with-libatomic_ops=PATH], + [specify and prefer usage of libatomic_ops in the ethread library])) + +AC_ARG_WITH(with_sparc_memory_order, + AS_HELP_STRING([--with-sparc-memory-order=TSO|PSO|RMO], + [specify sparc memory order (defaults to RMO)])) + LM_CHECK_THR_LIB ERL_INTERNAL_LIBS @@ -1003,40 +1037,44 @@ case "$THR_LIB_NAME" in AC_DEFINE(ETHR_WIN32_THREADS, 1, [Define if you have win32 threads]) - ETHR_CHK_INTERLOCKED([_InterlockedDecrement], [1], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDDECREMENT, 1, [Define if you have _InterlockedDecrement()])) - ETHR_CHK_INTERLOCKED([_InterlockedDecrement_rel], [1], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDDECREMENT_REL, 1, [Define if you have _InterlockedDecrement_rel()])) - ETHR_CHK_INTERLOCKED([_InterlockedIncrement], [1], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDINCREMENT, 1, [Define if you have _InterlockedIncrement()])) - ETHR_CHK_INTERLOCKED([_InterlockedIncrement_acq], [1], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDINCREMENT_ACQ, 1, [Define if you have _InterlockedIncrement_acq()])) - ETHR_CHK_INTERLOCKED([_InterlockedExchangeAdd], [2], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDEXCHANGEADD, 1, [Define if you have _InterlockedExchangeAdd()])) - ETHR_CHK_INTERLOCKED([_InterlockedExchangeAdd_acq], [2], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDEXCHANGEADD_ACQ, 1, [Define if you have _InterlockedExchangeAdd_acq()])) - ETHR_CHK_INTERLOCKED([_InterlockedAnd], [2], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDAND, 1, [Define if you have _InterlockedAnd()])) - ETHR_CHK_INTERLOCKED([_InterlockedOr], [2], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDOR, 1, [Define if you have _InterlockedOr()])) - ETHR_CHK_INTERLOCKED([_InterlockedExchange], [2], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDEXCHANGE, 1, [Define if you have _InterlockedExchange()])) - ETHR_CHK_INTERLOCKED([_InterlockedCompareExchange], [3], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDCOMPAREEXCHANGE, 1, [Define if you have _InterlockedCompareExchange()])) - test "$have_interlocked_op" = "yes" && ethr_have_native_atomics=yes - ETHR_CHK_INTERLOCKED([_InterlockedCompareExchange_acq], [3], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDCOMPAREEXCHANGE_ACQ, 1, [Define if you have _InterlockedCompareExchange_acq()])) - test "$have_interlocked_op" = "yes" && ethr_have_native_atomics=yes - ETHR_CHK_INTERLOCKED([_InterlockedCompareExchange_rel], [3], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDCOMPAREEXCHANGE_REL, 1, [Define if you have _InterlockedCompareExchange_rel()])) - test "$have_interlocked_op" = "yes" && ethr_have_native_atomics=yes - - ETHR_CHK_INTERLOCKED([_InterlockedDecrement64], [1], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDDECREMENT64, 1, [Define if you have _InterlockedDecrement64()])) - ETHR_CHK_INTERLOCKED([_InterlockedDecrement64_rel], [1], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDDECREMENT64_REL, 1, [Define if you have _InterlockedDecrement64_rel()])) - ETHR_CHK_INTERLOCKED([_InterlockedIncrement64], [1], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDINCREMENT64, 1, [Define if you have _InterlockedIncrement64()])) - ETHR_CHK_INTERLOCKED([_InterlockedIncrement64_acq], [1], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDINCREMENT64_ACQ, 1, [Define if you have _InterlockedIncrement64_acq()])) - ETHR_CHK_INTERLOCKED([_InterlockedExchangeAdd64], [2], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDEXCHANGEADD64, 1, [Define if you have _InterlockedExchangeAdd64()])) - ETHR_CHK_INTERLOCKED([_InterlockedExchangeAdd64_acq], [2], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDEXCHANGEADD64_ACQ, 1, [Define if you have _InterlockedExchangeAdd64_acq()])) - ETHR_CHK_INTERLOCKED([_InterlockedAnd64], [2], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDAND64, 1, [Define if you have _InterlockedAnd64()])) - ETHR_CHK_INTERLOCKED([_InterlockedOr64], [2], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDOR64, 1, [Define if you have _InterlockedOr64()])) - ETHR_CHK_INTERLOCKED([_InterlockedExchange64], [2], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDEXCHANGE64, 1, [Define if you have _InterlockedExchange64()])) - ETHR_CHK_INTERLOCKED([_InterlockedCompareExchange64], [3], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDCOMPAREEXCHANGE64, 1, [Define if you have _InterlockedCompareExchange64()])) - test "$have_interlocked_op" = "yes" && ethr_have_native_atomics=yes - ETHR_CHK_INTERLOCKED([_InterlockedCompareExchange64_acq], [3], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDCOMPAREEXCHANGE64_ACQ, 1, [Define if you have _InterlockedCompareExchange64_acq()])) - test "$have_interlocked_op" = "yes" && ethr_have_native_atomics=yes - ETHR_CHK_INTERLOCKED([_InterlockedCompareExchange64_rel], [3], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDCOMPAREEXCHANGE64_REL, 1, [Define if you have _InterlockedCompareExchange64_rel()])) - test "$have_interlocked_op" = "yes" && ethr_have_native_atomics=yes - - ETHR_CHK_INTERLOCKED([_InterlockedCompareExchange128], [4], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDCOMPAREEXCHANGE128, 1, [Define if you have _InterlockedCompareExchange128()])) - + if test "X$disable_native_ethr_impls" = "Xyes"; then + have_interlocked_op=no + ethr_have_native_atomics=no + else + ETHR_CHK_INTERLOCKED([_InterlockedDecrement], [1], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDDECREMENT, 1, [Define if you have _InterlockedDecrement()])) + ETHR_CHK_INTERLOCKED([_InterlockedDecrement_rel], [1], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDDECREMENT_REL, 1, [Define if you have _InterlockedDecrement_rel()])) + ETHR_CHK_INTERLOCKED([_InterlockedIncrement], [1], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDINCREMENT, 1, [Define if you have _InterlockedIncrement()])) + ETHR_CHK_INTERLOCKED([_InterlockedIncrement_acq], [1], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDINCREMENT_ACQ, 1, [Define if you have _InterlockedIncrement_acq()])) + ETHR_CHK_INTERLOCKED([_InterlockedExchangeAdd], [2], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDEXCHANGEADD, 1, [Define if you have _InterlockedExchangeAdd()])) + ETHR_CHK_INTERLOCKED([_InterlockedExchangeAdd_acq], [2], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDEXCHANGEADD_ACQ, 1, [Define if you have _InterlockedExchangeAdd_acq()])) + ETHR_CHK_INTERLOCKED([_InterlockedAnd], [2], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDAND, 1, [Define if you have _InterlockedAnd()])) + ETHR_CHK_INTERLOCKED([_InterlockedOr], [2], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDOR, 1, [Define if you have _InterlockedOr()])) + ETHR_CHK_INTERLOCKED([_InterlockedExchange], [2], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDEXCHANGE, 1, [Define if you have _InterlockedExchange()])) + ETHR_CHK_INTERLOCKED([_InterlockedCompareExchange], [3], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDCOMPAREEXCHANGE, 1, [Define if you have _InterlockedCompareExchange()])) + test "$have_interlocked_op" = "yes" && ethr_have_native_atomics=yes + ETHR_CHK_INTERLOCKED([_InterlockedCompareExchange_acq], [3], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDCOMPAREEXCHANGE_ACQ, 1, [Define if you have _InterlockedCompareExchange_acq()])) + test "$have_interlocked_op" = "yes" && ethr_have_native_atomics=yes + ETHR_CHK_INTERLOCKED([_InterlockedCompareExchange_rel], [3], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDCOMPAREEXCHANGE_REL, 1, [Define if you have _InterlockedCompareExchange_rel()])) + test "$have_interlocked_op" = "yes" && ethr_have_native_atomics=yes + + ETHR_CHK_INTERLOCKED([_InterlockedDecrement64], [1], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDDECREMENT64, 1, [Define if you have _InterlockedDecrement64()])) + ETHR_CHK_INTERLOCKED([_InterlockedDecrement64_rel], [1], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDDECREMENT64_REL, 1, [Define if you have _InterlockedDecrement64_rel()])) + ETHR_CHK_INTERLOCKED([_InterlockedIncrement64], [1], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDINCREMENT64, 1, [Define if you have _InterlockedIncrement64()])) + ETHR_CHK_INTERLOCKED([_InterlockedIncrement64_acq], [1], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDINCREMENT64_ACQ, 1, [Define if you have _InterlockedIncrement64_acq()])) + ETHR_CHK_INTERLOCKED([_InterlockedExchangeAdd64], [2], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDEXCHANGEADD64, 1, [Define if you have _InterlockedExchangeAdd64()])) + ETHR_CHK_INTERLOCKED([_InterlockedExchangeAdd64_acq], [2], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDEXCHANGEADD64_ACQ, 1, [Define if you have _InterlockedExchangeAdd64_acq()])) + ETHR_CHK_INTERLOCKED([_InterlockedAnd64], [2], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDAND64, 1, [Define if you have _InterlockedAnd64()])) + ETHR_CHK_INTERLOCKED([_InterlockedOr64], [2], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDOR64, 1, [Define if you have _InterlockedOr64()])) + ETHR_CHK_INTERLOCKED([_InterlockedExchange64], [2], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDEXCHANGE64, 1, [Define if you have _InterlockedExchange64()])) + ETHR_CHK_INTERLOCKED([_InterlockedCompareExchange64], [3], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDCOMPAREEXCHANGE64, 1, [Define if you have _InterlockedCompareExchange64()])) + test "$have_interlocked_op" = "yes" && ethr_have_native_atomics=yes + ETHR_CHK_INTERLOCKED([_InterlockedCompareExchange64_acq], [3], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDCOMPAREEXCHANGE64_ACQ, 1, [Define if you have _InterlockedCompareExchange64_acq()])) + test "$have_interlocked_op" = "yes" && ethr_have_native_atomics=yes + ETHR_CHK_INTERLOCKED([_InterlockedCompareExchange64_rel], [3], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDCOMPAREEXCHANGE64_REL, 1, [Define if you have _InterlockedCompareExchange64_rel()])) + test "$have_interlocked_op" = "yes" && ethr_have_native_atomics=yes + + ETHR_CHK_INTERLOCKED([_InterlockedCompareExchange128], [4], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDCOMPAREEXCHANGE128, 1, [Define if you have _InterlockedCompareExchange128()])) + fi test "$ethr_have_native_atomics" = "yes" && ethr_have_native_spinlock=yes ;; @@ -1303,93 +1341,98 @@ case "$THR_LIB_NAME" in int128="__int128_t" fi - ETHR_CHK_SYNC_OP([__sync_val_compare_and_swap], [3], [32], [$int32], AC_DEFINE(ETHR_HAVE___SYNC_VAL_COMPARE_AND_SWAP32, 1, [Define if you have __sync_val_compare_and_swap() for 32-bit integers])) - test "$have_sync_op" = "yes" && ethr_have_native_atomics=yes - ETHR_CHK_SYNC_OP([__sync_add_and_fetch], [2], [32], [$int32], AC_DEFINE(ETHR_HAVE___SYNC_ADD_AND_FETCH32, 1, [Define if you have __sync_add_and_fetch() for 32-bit integers])) - ETHR_CHK_SYNC_OP([__sync_fetch_and_and], [2], [32], [$int32], AC_DEFINE(ETHR_HAVE___SYNC_FETCH_AND_AND32, 1, [Define if you have __sync_fetch_and_and() for 32-bit integers])) - ETHR_CHK_SYNC_OP([__sync_fetch_and_or], [2], [32], [$int32], AC_DEFINE(ETHR_HAVE___SYNC_FETCH_AND_OR32, 1, [Define if you have __sync_fetch_and_or() for 32-bit integers])) + if test "X$disable_native_ethr_impls" = "Xyes"; then + ethr_have_native_atomics=no + else + ETHR_CHK_SYNC_OP([__sync_val_compare_and_swap], [3], [32], [$int32], AC_DEFINE(ETHR_HAVE___SYNC_VAL_COMPARE_AND_SWAP32, 1, [Define if you have __sync_val_compare_and_swap() for 32-bit integers])) + test "$have_sync_op" = "yes" && ethr_have_native_atomics=yes + ETHR_CHK_SYNC_OP([__sync_add_and_fetch], [2], [32], [$int32], AC_DEFINE(ETHR_HAVE___SYNC_ADD_AND_FETCH32, 1, [Define if you have __sync_add_and_fetch() for 32-bit integers])) + ETHR_CHK_SYNC_OP([__sync_fetch_and_and], [2], [32], [$int32], AC_DEFINE(ETHR_HAVE___SYNC_FETCH_AND_AND32, 1, [Define if you have __sync_fetch_and_and() for 32-bit integers])) + ETHR_CHK_SYNC_OP([__sync_fetch_and_or], [2], [32], [$int32], AC_DEFINE(ETHR_HAVE___SYNC_FETCH_AND_OR32, 1, [Define if you have __sync_fetch_and_or() for 32-bit integers])) + + ETHR_CHK_SYNC_OP([__sync_val_compare_and_swap], [3], [64], [$int64], AC_DEFINE(ETHR_HAVE___SYNC_VAL_COMPARE_AND_SWAP64, 1, [Define if you have __sync_val_compare_and_swap() for 64-bit integers])) + test "$have_sync_op" = "yes" && ethr_have_native_atomics=yes + ETHR_CHK_SYNC_OP([__sync_add_and_fetch], [2], [64], [$int64], AC_DEFINE(ETHR_HAVE___SYNC_ADD_AND_FETCH64, 1, [Define if you have __sync_add_and_fetch() for 64-bit integers])) + ETHR_CHK_SYNC_OP([__sync_fetch_and_and], [2], [64], [$int64], AC_DEFINE(ETHR_HAVE___SYNC_FETCH_AND_AND64, 1, [Define if you have __sync_fetch_and_and() for 64-bit integers])) + ETHR_CHK_SYNC_OP([__sync_fetch_and_or], [2], [64], [$int64], AC_DEFINE(ETHR_HAVE___SYNC_FETCH_AND_OR64, 1, [Define if you have __sync_fetch_and_or() for 64-bit integers])) + + if test $int128 != no; then + ETHR_CHK_SYNC_OP([__sync_val_compare_and_swap], [3], [128], [$int128], AC_DEFINE(ETHR_HAVE___SYNC_VAL_COMPARE_AND_SWAP128, 1, [Define if you have __sync_val_compare_and_swap() for 128-bit integers])) + fi - ETHR_CHK_SYNC_OP([__sync_val_compare_and_swap], [3], [64], [$int64], AC_DEFINE(ETHR_HAVE___SYNC_VAL_COMPARE_AND_SWAP64, 1, [Define if you have __sync_val_compare_and_swap() for 64-bit integers])) - test "$have_sync_op" = "yes" && ethr_have_native_atomics=yes - ETHR_CHK_SYNC_OP([__sync_add_and_fetch], [2], [64], [$int64], AC_DEFINE(ETHR_HAVE___SYNC_ADD_AND_FETCH64, 1, [Define if you have __sync_add_and_fetch() for 64-bit integers])) - ETHR_CHK_SYNC_OP([__sync_fetch_and_and], [2], [64], [$int64], AC_DEFINE(ETHR_HAVE___SYNC_FETCH_AND_AND64, 1, [Define if you have __sync_fetch_and_and() for 64-bit integers])) - ETHR_CHK_SYNC_OP([__sync_fetch_and_or], [2], [64], [$int64], AC_DEFINE(ETHR_HAVE___SYNC_FETCH_AND_OR64, 1, [Define if you have __sync_fetch_and_or() for 64-bit integers])) + AC_MSG_CHECKING([for a usable libatomic_ops implementation]) + case "x$with_libatomic_ops" in + xno | xyes | x) + libatomic_ops_include= + ;; + *) + if test -d "${with_libatomic_ops}/include"; then + libatomic_ops_include="-I$with_libatomic_ops/include" + CPPFLAGS="$CPPFLAGS $libatomic_ops_include" + else + AC_MSG_ERROR([libatomic_ops include directory $with_libatomic_ops/include not found]) + fi;; + esac + ethr_have_libatomic_ops=no + AC_TRY_LINK([#include "atomic_ops.h"], + [ + volatile AO_t x; + AO_t y; + int z; + + AO_nop_full(); + AO_store(&x, (AO_t) 0); + z = AO_load(&x); + z = AO_compare_and_swap_full(&x, (AO_t) 0, (AO_t) 1); + ], + [ethr_have_native_atomics=yes + ethr_have_libatomic_ops=yes]) + AC_MSG_RESULT([$ethr_have_libatomic_ops]) + if test $ethr_have_libatomic_ops = yes; then + AC_CHECK_SIZEOF(AO_t, , + [ + #include + #include "atomic_ops.h" + ]) + AC_DEFINE_UNQUOTED(ETHR_SIZEOF_AO_T, $ac_cv_sizeof_AO_t, [Define to the size of AO_t if libatomic_ops is used]) + + AC_DEFINE(ETHR_HAVE_LIBATOMIC_OPS, 1, [Define if you have libatomic_ops atomic operations]) + if test "x$with_libatomic_ops" != "xno" && test "x$with_libatomic_ops" != "x"; then + AC_DEFINE(ETHR_PREFER_LIBATOMIC_OPS_NATIVE_IMPLS, 1, [Define if you prefer libatomic_ops native ethread implementations]) + fi + ETHR_DEFS="$ETHR_DEFS $libatomic_ops_include" + elif test "x$with_libatomic_ops" != "xno" && test "x$with_libatomic_ops" != "x"; then + AC_MSG_ERROR([No usable libatomic_ops implementation found]) + fi - if test $int128 != no; then - ETHR_CHK_SYNC_OP([__sync_val_compare_and_swap], [3], [128], [$int128], AC_DEFINE(ETHR_HAVE___SYNC_VAL_COMPARE_AND_SWAP128, 1, [Define if you have __sync_val_compare_and_swap() for 128-bit integers])) - fi + case "$host_cpu" in + sparc | sun4u | sparc64 | sun4v) + case "$with_sparc_memory_order" in + "TSO") + AC_DEFINE(ETHR_SPARC_TSO, 1, [Define if only run in Sparc TSO mode]);; + "PSO") + AC_DEFINE(ETHR_SPARC_PSO, 1, [Define if only run in Sparc PSO, or TSO mode]);; + "RMO"|"") + AC_DEFINE(ETHR_SPARC_RMO, 1, [Define if run in Sparc RMO, PSO, or TSO mode]);; + *) + AC_MSG_ERROR([Unsupported Sparc memory order: $with_sparc_memory_order]);; + esac + ethr_have_native_atomics=yes;; + i86pc | i*86 | x86_64 | amd64) + if test "$enable_x86_out_of_order" = "yes"; then + AC_DEFINE(ETHR_X86_OUT_OF_ORDER, 1, [Define if x86/x86_64 out of order instructions should be synchronized]) + fi + ethr_have_native_atomics=yes;; + macppc | ppc | "Power Macintosh") + ethr_have_native_atomics=yes;; + tile) + ethr_have_native_atomics=yes;; + *) + ;; + esac - AC_MSG_CHECKING([for a usable libatomic_ops implementation]) - case "x$with_libatomic_ops" in - xno | xyes | x) - libatomic_ops_include= - ;; - *) - if test -d "${with_libatomic_ops}/include"; then - libatomic_ops_include="-I$with_libatomic_ops/include" - CPPFLAGS="$CPPFLAGS $libatomic_ops_include" - else - AC_MSG_ERROR([libatomic_ops include directory $with_libatomic_ops/include not found]) - fi;; - esac - ethr_have_libatomic_ops=no - AC_TRY_LINK([#include "atomic_ops.h"], - [ - volatile AO_t x; - AO_t y; - int z; - - AO_nop_full(); - AO_store(&x, (AO_t) 0); - z = AO_load(&x); - z = AO_compare_and_swap_full(&x, (AO_t) 0, (AO_t) 1); - ], - [ethr_have_native_atomics=yes - ethr_have_libatomic_ops=yes]) - AC_MSG_RESULT([$ethr_have_libatomic_ops]) - if test $ethr_have_libatomic_ops = yes; then - AC_CHECK_SIZEOF(AO_t, , - [ - #include - #include "atomic_ops.h" - ]) - AC_DEFINE_UNQUOTED(ETHR_SIZEOF_AO_T, $ac_cv_sizeof_AO_t, [Define to the size of AO_t if libatomic_ops is used]) - - AC_DEFINE(ETHR_HAVE_LIBATOMIC_OPS, 1, [Define if you have libatomic_ops atomic operations]) - if test "x$with_libatomic_ops" != "xno" && test "x$with_libatomic_ops" != "x"; then - AC_DEFINE(ETHR_PREFER_LIBATOMIC_OPS_NATIVE_IMPLS, 1, [Define if you prefer libatomic_ops native ethread implementations]) - fi - ETHR_DEFS="$ETHR_DEFS $libatomic_ops_include" - elif test "x$with_libatomic_ops" != "xno" && test "x$with_libatomic_ops" != "x"; then - AC_MSG_ERROR([No usable libatomic_ops implementation found]) fi - case "$host_cpu" in - sparc | sun4u | sparc64 | sun4v) - case "$with_sparc_memory_order" in - "TSO") - AC_DEFINE(ETHR_SPARC_TSO, 1, [Define if only run in Sparc TSO mode]);; - "PSO") - AC_DEFINE(ETHR_SPARC_PSO, 1, [Define if only run in Sparc PSO, or TSO mode]);; - "RMO"|"") - AC_DEFINE(ETHR_SPARC_RMO, 1, [Define if run in Sparc RMO, PSO, or TSO mode]);; - *) - AC_MSG_ERROR([Unsupported Sparc memory order: $with_sparc_memory_order]);; - esac - ethr_have_native_atomics=yes;; - i86pc | i*86 | x86_64 | amd64) - if test "$enable_x86_out_of_order" = "yes"; then - AC_DEFINE(ETHR_X86_OUT_OF_ORDER, 1, [Define if x86/x86_64 out of order instructions should be synchronized]) - fi - ethr_have_native_atomics=yes;; - macppc | ppc | "Power Macintosh") - ethr_have_native_atomics=yes;; - tile) - ethr_have_native_atomics=yes;; - *) - ;; - esac - test ethr_have_native_atomics = "yes" && ethr_have_native_spinlock=yes dnl Restore LIBS @@ -1451,40 +1494,6 @@ esac AC_C_DOUBLE_MIDDLE_ENDIAN -AC_ARG_ENABLE(native-ethr-impls, - AS_HELP_STRING([--disable-native-ethr-impls], - [disable native ethread implementations]), -[ case "$enableval" in - no) disable_native_ethr_impls=yes ;; - *) disable_native_ethr_impls=no ;; - esac ], disable_native_ethr_impls=no) - -AC_ARG_ENABLE(x86-out-of-order, - AS_HELP_STRING([--enable-x86-out-of-order], - [enable x86/x84_64 out of order support (default disabled)])) - -test "X$disable_native_ethr_impls" = "Xyes" && - AC_DEFINE(ETHR_DISABLE_NATIVE_IMPLS, 1, [Define if you want to disable native ethread implementations]) - -AC_ARG_ENABLE(prefer-gcc-native-ethr-impls, - AS_HELP_STRING([--enable-prefer-gcc-native-ethr-impls], - [prefer gcc native ethread implementations]), -[ case "$enableval" in - yes) enable_prefer_gcc_native_ethr_impls=yes ;; - *) enable_prefer_gcc_native_ethr_impls=no ;; - esac ], enable_prefer_gcc_native_ethr_impls=no) - -test $enable_prefer_gcc_native_ethr_impls = yes && - AC_DEFINE(ETHR_PREFER_GCC_NATIVE_IMPLS, 1, [Define if you prefer gcc native ethread implementations]) - -AC_ARG_WITH(libatomic_ops, - AS_HELP_STRING([--with-libatomic_ops=PATH], - [specify and prefer usage of libatomic_ops in the ethread library])) - -AC_ARG_WITH(with_sparc_memory_order, - AS_HELP_STRING([--with-sparc-memory-order=TSO|PSO|RMO], - [specify sparc memory order (defaults to RMO)])) - ETHR_X86_SSE2_ASM=no case "$GCC-$ac_cv_sizeof_void_p-$host_cpu" in yes-4-i86pc | yes-4-i*86 | yes-4-x86_64 | yes-4-amd64) diff --git a/erts/configure.in b/erts/configure.in index b056ba44e2..2f624e5853 100644 --- a/erts/configure.in +++ b/erts/configure.in @@ -150,6 +150,14 @@ AS_HELP_STRING([--disable-smp-support], [disable smp support]), *) enable_smp_support=yes ;; esac ], enable_smp_support=unknown) +AC_ARG_ENABLE(smp-require-native-atomics, + AS_HELP_STRING([--disable-smp-require-native-atomics], + [disable the SMP requirement of a native atomic implementation]), +[ case "$enableval" in + no) smp_require_native_atomics=no ;; + *) smp_require_native_atomics=yes ;; + esac ], smp_require_native_atomics=yes) + AC_ARG_WITH(termcap, AS_HELP_STRING([--with-termcap], [use termcap (default)]) AS_HELP_STRING([--without-termcap], @@ -1043,11 +1051,15 @@ if test $ERTS_BUILD_SMP_EMU = yes; then AC_DEFINE(ERTS_HAVE_SMP_EMU, 1, [Define if the smp emulator is built]) - case "$ethr_have_native_atomics-$ethr_have_native_spinlock" in + case "$ethr_have_native_atomics-$smp_require_native_atomics-$ethr_have_native_spinlock" in yes-*) ;; - no-yes) + no-yes-*) + AC_MSG_ERROR([No native atomic implementation found. See INSTALL.md for more information.]) + ;; + + no-no-yes) test -f "$ERL_TOP/erts/CONF_INFO" || echo "" > "$ERL_TOP/erts/CONF_INFO" @@ -1056,12 +1068,13 @@ if test $ERTS_BUILD_SMP_EMU = yes; then No native atomic implementation available. Fallbacks implemented using spinlocks will be used. Note that the performance of the SMP - runtime system will suffer due to this. + runtime system will suffer immensely due to + this. EOF ;; - no-no) + no-no-no) test -f "$ERL_TOP/erts/CONF_INFO" || echo "" > "$ERL_TOP/erts/CONF_INFO" @@ -1071,7 +1084,7 @@ EOF spinlock implementation available. Fallbacks implemented using mutexes will be used. Note that the performance of the SMP runtime system - will suffer much due to this. + will suffer immensely due to this. EOF ;; -- cgit v1.2.3 From b5df977d74dfce0b1bb41ebcedb7f16d02477c5a Mon Sep 17 00:00:00 2001 From: Rickard Green Date: Tue, 9 Jul 2013 16:13:11 +0200 Subject: Add test cases for native atomics and jump table --- erts/emulator/test/smoke_test_SUITE.erl | 39 +++++++++++++++++++++++++++++++-- 1 file changed, 37 insertions(+), 2 deletions(-) (limited to 'erts') diff --git a/erts/emulator/test/smoke_test_SUITE.erl b/erts/emulator/test/smoke_test_SUITE.erl index 6f5c2080c0..10b7e16a74 100644 --- a/erts/emulator/test/smoke_test_SUITE.erl +++ b/erts/emulator/test/smoke_test_SUITE.erl @@ -26,14 +26,14 @@ init_per_group/2,end_per_group/2, init_per_testcase/2, end_per_testcase/2]). --export([boot_combo/1]). +-export([boot_combo/1, native_atomics/1, jump_table/1]). -define(DEFAULT_TIMEOUT, ?t:minutes(2)). suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> - [boot_combo]. + [boot_combo, native_atomics, jump_table]. groups() -> []. @@ -105,6 +105,41 @@ boot_combo(Config) when is_list(Config) -> end) end. +native_atomics(Config) when is_list(Config) -> + NA32Key = "32-bit native atomics", + NA64Key = "64-bit native atomics", + DWNAKey = "Double word native atomics", + EthreadInfo = erlang:system_info(ethread_info), + ?t:format("~p~n", [EthreadInfo]), + {value,{NA32Key, NA32, _}} = lists:keysearch(NA32Key, 1, EthreadInfo), + {value,{NA64Key, NA64, _}} = lists:keysearch(NA64Key, 1, EthreadInfo), + {value,{DWNAKey, DWNA, _}} = lists:keysearch(DWNAKey, 1, EthreadInfo), + case {erlang:system_info(build_type), erlang:system_info(smp_support), NA32, NA64, DWNA} of + {opt, true, "no", "no", _} -> + ?t:fail(optimized_smp_runtime_without_native_atomics); + {_, false, "no", "no", _} -> + {comment, "No native atomics"}; + _ -> + {comment, + NA32 ++ " 32-bit, " + ++ NA64 ++ " 64-bit, and " + ++ DWNA ++ " double word native atomics"} + end. + +jump_table(Config) when is_list(Config) -> + case erlang:system_info(beam_jump_table) of + true -> + ok; + false -> + case erlang:system_info(build_type) of + opt -> + ?t:fail(optimized_without_beam_jump_table); + BT -> + {comment, "No beam jump table, but build type is " ++ atom_to_list(BT)} + end + end. + + %%% %%% Aux functions -------------------------------------------------------------- %%% -- cgit v1.2.3