Commit 090bcb74 authored by Mikael Ronstrom's avatar Mikael Ronstrom

Merge port of Google SMP patch to Solaris

parent e21ed0a8
...@@ -389,8 +389,8 @@ static SHOW_VAR innodb_status_variables[]= { ...@@ -389,8 +389,8 @@ static SHOW_VAR innodb_status_variables[]= {
(char*) &export_vars.innodb_dblwr_pages_written, SHOW_LONG}, (char*) &export_vars.innodb_dblwr_pages_written, SHOW_LONG},
{"dblwr_writes", {"dblwr_writes",
(char*) &export_vars.innodb_dblwr_writes, SHOW_LONG}, (char*) &export_vars.innodb_dblwr_writes, SHOW_LONG},
{"have_atomic_builtins", {"have_sync_atomic",
(char*) &export_vars.innodb_have_atomic_builtins, SHOW_BOOL}, (char*) &export_vars.innodb_have_sync_atomic, SHOW_BOOL},
{"heap_enabled", {"heap_enabled",
(char*) &export_vars.innodb_heap_enabled, SHOW_BOOL}, (char*) &export_vars.innodb_heap_enabled, SHOW_BOOL},
{"log_waits", {"log_waits",
......
...@@ -12,6 +12,10 @@ Created 9/6/1995 Heikki Tuuri ...@@ -12,6 +12,10 @@ Created 9/6/1995 Heikki Tuuri
#include "univ.i" #include "univ.i"
#include "ut0lst.h" #include "ut0lst.h"
#ifdef HAVE_SOLARIS_ATOMIC
#include <atomic.h>
#endif
#ifdef __WIN__ #ifdef __WIN__
#define os_fast_mutex_t CRITICAL_SECTION #define os_fast_mutex_t CRITICAL_SECTION
...@@ -261,7 +265,7 @@ os_fast_mutex_free( ...@@ -261,7 +265,7 @@ os_fast_mutex_free(
/*===============*/ /*===============*/
os_fast_mutex_t* fast_mutex); /* in: mutex to free */ os_fast_mutex_t* fast_mutex); /* in: mutex to free */
#ifdef HAVE_GCC_ATOMIC_BUILTINS #ifdef UNIV_SYNC_ATOMIC
/************************************************************** /**************************************************************
Atomic compare-and-swap for InnoDB. Currently requires GCC atomic builtins. */ Atomic compare-and-swap for InnoDB. Currently requires GCC atomic builtins. */
UNIV_INLINE UNIV_INLINE
...@@ -272,6 +276,7 @@ os_compare_and_swap( ...@@ -272,6 +276,7 @@ os_compare_and_swap(
volatile lint* ptr, /* in: pointer to target */ volatile lint* ptr, /* in: pointer to target */
lint oldVal, /* in: value to compare to */ lint oldVal, /* in: value to compare to */
lint newVal); /* in: value to swap in */ lint newVal); /* in: value to swap in */
/************************************************************** /**************************************************************
Atomic increment for InnoDB. Currently requires GCC atomic builtins. */ Atomic increment for InnoDB. Currently requires GCC atomic builtins. */
UNIV_INLINE UNIV_INLINE
...@@ -282,7 +287,7 @@ os_atomic_increment( ...@@ -282,7 +287,7 @@ os_atomic_increment(
volatile lint* ptr, /* in: pointer to target */ volatile lint* ptr, /* in: pointer to target */
lint amount); /* in: amount of increment */ lint amount); /* in: amount of increment */
#endif /* HAVE_GCC_ATOMIC_BUILTINS */ #endif /* UNIV_SYNC_ATOMIC */
#ifndef UNIV_NONINL #ifndef UNIV_NONINL
#include "os0sync.ic" #include "os0sync.ic"
......
...@@ -45,9 +45,10 @@ os_fast_mutex_trylock( ...@@ -45,9 +45,10 @@ os_fast_mutex_trylock(
#endif #endif
} }
#ifdef HAVE_GCC_ATOMIC_BUILTINS #ifdef UNIV_SYNC_ATOMIC
/************************************************************** /**************************************************************
Atomic compare-and-swap for InnoDB. Currently requires GCC atomic builtins. */ Atomic compare-and-swap for InnoDB. Currently requires GCC atomic builtins
or Solaris atomic_* functions. */
UNIV_INLINE UNIV_INLINE
ibool ibool
os_compare_and_swap( os_compare_and_swap(
...@@ -57,11 +58,15 @@ os_compare_and_swap( ...@@ -57,11 +58,15 @@ os_compare_and_swap(
lint oldVal, /* in: value to compare to */ lint oldVal, /* in: value to compare to */
lint newVal) /* in: value to swap in */ lint newVal) /* in: value to swap in */
{ {
if(__sync_bool_compare_and_swap(ptr, oldVal, newVal)) { #ifdef HAVE_GCC_ATOMIC_BULTINS
return(TRUE); return (__sync_bool_compare_and_swap(ptr, oldVal, newVal));
} #elif HAVE_SOLARIS_ATOMIC
lint retVal = (lint)atomic_cas_ulong((volatile ulong_t *)ptr,
return(FALSE); oldVal, newVal);
return (retVal == oldVal);
#else
#error "Need support for atomic ops"
#endif
} }
/************************************************************** /**************************************************************
...@@ -74,8 +79,13 @@ os_atomic_increment( ...@@ -74,8 +79,13 @@ os_atomic_increment(
volatile lint* ptr, /* in: pointer to target */ volatile lint* ptr, /* in: pointer to target */
lint amount) /* in: amount of increment */ lint amount) /* in: amount of increment */
{ {
lint newVal = __sync_add_and_fetch(ptr, amount); #ifdef HAVE_GCC_ATOMIC_BULTINS
return newVal; return (__sync_add_and_fetch(ptr, amount));
#elif HAVE_SOLARIS_ATOMIC
return ((lint)atomic_add_long_nv((volatile ulong_t *)ptr, amount));
#else
#error "Need support for atomic ops"
#endif
} }
#endif /* HAVE_GCC_ATOMIC_BUILTINS */ #endif /* UNIV_SYNC_ATOMIC */
...@@ -523,7 +523,7 @@ struct export_var_struct{ ...@@ -523,7 +523,7 @@ struct export_var_struct{
ulint innodb_buffer_pool_read_ahead_rnd; ulint innodb_buffer_pool_read_ahead_rnd;
ulint innodb_dblwr_pages_written; ulint innodb_dblwr_pages_written;
ulint innodb_dblwr_writes; ulint innodb_dblwr_writes;
ibool innodb_have_atomic_builtins; ibool innodb_have_sync_atomic;
ibool innodb_heap_enabled; ibool innodb_heap_enabled;
ulint innodb_log_waits; ulint innodb_log_waits;
ulint innodb_log_write_requests; ulint innodb_log_write_requests;
......
...@@ -460,9 +460,9 @@ struct rw_lock_struct { ...@@ -460,9 +460,9 @@ struct rw_lock_struct {
os_event_t wait_ex_event; os_event_t wait_ex_event;
/* Event for next-writer to wait on. A thread /* Event for next-writer to wait on. A thread
must decrement lock_word before waiting. */ must decrement lock_word before waiting. */
#ifndef HAVE_GCC_ATOMIC_BUILTINS #ifndef UNIV_SYNC_ATOMIC
mutex_t mutex; /* The mutex protecting rw_lock_struct */ mutex_t mutex; /* The mutex protecting rw_lock_struct */
#endif /* HAVE_GCC_ATOMIC_BUILTINS */ #endif /* UNIV_SYNC_ATOMIC */
UT_LIST_NODE_T(rw_lock_t) list; UT_LIST_NODE_T(rw_lock_t) list;
/* All allocated rw locks are put into a /* All allocated rw locks are put into a
......
...@@ -103,7 +103,7 @@ rw_lock_get_reader_count( ...@@ -103,7 +103,7 @@ rw_lock_get_reader_count(
return 0; return 0;
} }
#ifndef HAVE_GCC_ATOMIC_BUILTINS #ifndef UNIV_SYNC_ATOMIC
UNIV_INLINE UNIV_INLINE
mutex_t* mutex_t*
rw_lock_get_mutex( rw_lock_get_mutex(
...@@ -146,7 +146,7 @@ rw_lock_lock_word_decr( ...@@ -146,7 +146,7 @@ rw_lock_lock_word_decr(
ulint amount) /* in: amount of decrement */ ulint amount) /* in: amount of decrement */
{ {
#ifdef HAVE_GCC_ATOMIC_BUILTINS #ifdef UNIV_SYNC_ATOMIC
lint local_lock_word = lock->lock_word; lint local_lock_word = lock->lock_word;
while (local_lock_word > 0) { while (local_lock_word > 0) {
...@@ -159,7 +159,7 @@ rw_lock_lock_word_decr( ...@@ -159,7 +159,7 @@ rw_lock_lock_word_decr(
} }
return(FALSE); return(FALSE);
#else /* HAVE_GCC_ATOMIC_BUILTINS */ #else /* UNIV_SYNC_ATOMIC */
ibool success = FALSE; ibool success = FALSE;
mutex_enter(&(lock->mutex)); mutex_enter(&(lock->mutex));
...@@ -170,7 +170,7 @@ rw_lock_lock_word_decr( ...@@ -170,7 +170,7 @@ rw_lock_lock_word_decr(
mutex_exit(&(lock->mutex)); mutex_exit(&(lock->mutex));
return success; return success;
#endif /* HAVE_GCC_ATOMIC_BUILTINS */ #endif /* UNIV_SYNC_ATOMIC */
} }
...@@ -186,11 +186,11 @@ rw_lock_lock_word_incr( ...@@ -186,11 +186,11 @@ rw_lock_lock_word_incr(
ulint amount) /* in: amount of increment */ ulint amount) /* in: amount of increment */
{ {
#ifdef HAVE_GCC_ATOMIC_BUILTINS #ifdef UNIV_SYNC_ATOMIC
return(os_atomic_increment(&(lock->lock_word), amount)); return(os_atomic_increment(&(lock->lock_word), amount));
#else /* HAVE_GCC_ATOMIC_BUILTINS */ #else /* UNIV_SYNC_ATOMIC */
lint local_lock_word; lint local_lock_word;
...@@ -203,7 +203,7 @@ rw_lock_lock_word_incr( ...@@ -203,7 +203,7 @@ rw_lock_lock_word_incr(
return local_lock_word; return local_lock_word;
#endif /* HAVE_GCC_ATOMIC_BUILTINS */ #endif /* UNIV_SYNC_ATOMIC */
} }
...@@ -352,7 +352,7 @@ rw_lock_x_lock_func_nowait( ...@@ -352,7 +352,7 @@ rw_lock_x_lock_func_nowait(
ibool success; ibool success;
#ifdef HAVE_GCC_ATOMIC_BUILTINS #ifdef UNIV_SYNC_ATOMIC
success = os_compare_and_swap(&(lock->lock_word), X_LOCK_DECR, 0); success = os_compare_and_swap(&(lock->lock_word), X_LOCK_DECR, 0);
#else #else
......
...@@ -16,6 +16,7 @@ Created 9/5/1995 Heikki Tuuri ...@@ -16,6 +16,7 @@ Created 9/5/1995 Heikki Tuuri
#include "os0thread.h" #include "os0thread.h"
#include "os0sync.h" #include "os0sync.h"
#include "sync0arr.h" #include "sync0arr.h"
#include "my_atomic.h"
#ifndef UNIV_HOTBACKUP #ifndef UNIV_HOTBACKUP
extern my_bool timed_mutexes; extern my_bool timed_mutexes;
...@@ -476,7 +477,10 @@ struct mutex_struct { ...@@ -476,7 +477,10 @@ struct mutex_struct {
test-and-set instruction in Win32 and test-and-set instruction in Win32 and
x86 32/64 with GCC 4.1.0 or later version */ x86 32/64 with GCC 4.1.0 or later version */
#if defined(_WIN32) && defined(UNIV_CAN_USE_X86_ASSEMBLER) #if defined(_WIN32) && defined(UNIV_CAN_USE_X86_ASSEMBLER)
#elif defined(HAVE_GCC_ATOMIC_BUILTINS) #elif defined(MY_ATOMIC_NOLOCK)
/* We have my_atomic_* routines that are
intrinsically atomic, so no need for the
mutex. */
#else #else
os_fast_mutex_t os_fast_mutex_t
os_fast_mutex; /* In other systems we use this OS mutex os_fast_mutex; /* In other systems we use this OS mutex
......
...@@ -88,8 +88,9 @@ mutex_test_and_set( ...@@ -88,8 +88,9 @@ mutex_test_and_set(
/* mutex_fence(); */ /* mutex_fence(); */
return(res); return(res);
#elif defined(HAVE_GCC_ATOMIC_BUILTINS) #elif defined(MY_ATOMIC_NOLOCK)
return __sync_lock_test_and_set(&(mutex->lock_word), 1); return ((byte)my_atomic_swap8(
(int8 volatile *)&(mutex->lock_word), 1));
#else #else
ibool ret; ibool ret;
...@@ -126,11 +127,11 @@ mutex_reset_lock_word( ...@@ -126,11 +127,11 @@ mutex_reset_lock_word(
__asm MOV EDX, 0 __asm MOV EDX, 0
__asm MOV ECX, lw __asm MOV ECX, lw
__asm XCHG DL, BYTE PTR [ECX] __asm XCHG DL, BYTE PTR [ECX]
#elif defined(HAVE_GCC_ATOMIC_BUILTINS) #elif defined(MY_ATOMIC_NOLOCK)
/* In theory __sync_lock_release should be used to release the lock. /* In theory __sync_lock_release should be used to release the lock.
Unfortunately, it does not work properly alone. The workaround is Unfortunately, it does not work properly alone. The workaround is
that more conservative __sync_lock_test_and_set is used instead. */ that more conservative __sync_lock_test_and_set is used instead. */
__sync_lock_test_and_set(&(mutex->lock_word), 0); (void)my_atomic_swap8((int8 volatile *)&(mutex->lock_word), 0);
#else #else
mutex->lock_word = 0; mutex->lock_word = 0;
......
...@@ -123,6 +123,13 @@ by one. */ ...@@ -123,6 +123,13 @@ by one. */
/* Use malloc instead of innodb additional memory pool (great with tcmalloc) */ /* Use malloc instead of innodb additional memory pool (great with tcmalloc) */
#define UNIV_DISABLE_MEM_POOL #define UNIV_DISABLE_MEM_POOL
#if defined(HAVE_GCC_ATOMIC_BUILTINS) || defined(HAVE_SOLARIS_ATOMIC)
/*
* We have a full set of atomic ops available - we will use them
*/
#define UNIV_SYNC_ATOMIC
#endif
/* /*
#define UNIV_SQL_DEBUG #define UNIV_SQL_DEBUG
#define UNIV_LOG_DEBUG #define UNIV_LOG_DEBUG
......
...@@ -1900,10 +1900,10 @@ srv_export_innodb_status(void) ...@@ -1900,10 +1900,10 @@ srv_export_innodb_status(void)
export_vars.innodb_buffer_pool_pages_misc = buf_pool->max_size export_vars.innodb_buffer_pool_pages_misc = buf_pool->max_size
- UT_LIST_GET_LEN(buf_pool->LRU) - UT_LIST_GET_LEN(buf_pool->LRU)
- UT_LIST_GET_LEN(buf_pool->free); - UT_LIST_GET_LEN(buf_pool->free);
#ifdef HAVE_GCC_ATOMIC_BUILTINS #ifdef UNIV_SYNC_ATOMIC
export_vars.innodb_have_atomic_builtins = 1; export_vars.innodb_have_sync_atomic = 1;
#else #else
export_vars.innodb_have_atomic_builtins = 0; export_vars.innodb_have_sync_atomic = 0;
#endif #endif
#ifdef UNIV_DISABLE_MEM_POOL #ifdef UNIV_DISABLE_MEM_POOL
export_vars.innodb_heap_enabled = 0; export_vars.innodb_heap_enabled = 0;
......
...@@ -1068,9 +1068,9 @@ innobase_start_or_create_for_mysql(void) ...@@ -1068,9 +1068,9 @@ innobase_start_or_create_for_mysql(void)
"InnoDB: The InnoDB memory heap has been disabled.\n"); "InnoDB: The InnoDB memory heap has been disabled.\n");
#endif #endif
#ifdef HAVE_GCC_ATOMIC_BUILTINS #ifdef UNIV_SYNC_ATOMIC
fprintf(stderr, fprintf(stderr,
"InnoDB: Mutex and rw_lock use GCC atomic builtins.\n"); "InnoDB: Mutex and rw_lock use atomics.\n");
#endif #endif
/* Since InnoDB does not currently clean up all its internal data /* Since InnoDB does not currently clean up all its internal data
......
...@@ -834,8 +834,8 @@ sync_array_object_signalled( ...@@ -834,8 +834,8 @@ sync_array_object_signalled(
/*========================*/ /*========================*/
sync_array_t* arr) /* in: wait array */ sync_array_t* arr) /* in: wait array */
{ {
#ifdef HAVE_GCC_ATOMIC_BUILTINS #ifdef UNIV_SYNC_ATOMIC
__sync_fetch_and_add(&(arr->sg_count),1); (void)os_atomic_increment((volatile lint *)&(arr->sg_count), 1);
#else #else
sync_array_enter(arr); sync_array_enter(arr);
......
...@@ -195,7 +195,7 @@ rw_lock_create_func( ...@@ -195,7 +195,7 @@ rw_lock_create_func(
/* If this is the very first time a synchronization object is /* If this is the very first time a synchronization object is
created, then the following call initializes the sync system. */ created, then the following call initializes the sync system. */
#ifndef HAVE_GCC_ATOMIC_BUILTINS #ifndef UNIV_SYNC_ATOMIC
mutex_create(rw_lock_get_mutex(lock), SYNC_NO_ORDER_CHECK); mutex_create(rw_lock_get_mutex(lock), SYNC_NO_ORDER_CHECK);
lock->mutex.cfile_name = cfile_name; lock->mutex.cfile_name = cfile_name;
...@@ -206,7 +206,7 @@ rw_lock_create_func( ...@@ -206,7 +206,7 @@ rw_lock_create_func(
lock->mutex.mutex_type = 1; lock->mutex.mutex_type = 1;
#endif /* UNIV_DEBUG && !UNIV_HOTBACKUP */ #endif /* UNIV_DEBUG && !UNIV_HOTBACKUP */
#endif /* HAVE_GCC_ATOMIC_BUILTINS */ #endif /* UNIV_SYNC_ATOMIC */
lock->lock_word = X_LOCK_DECR; lock->lock_word = X_LOCK_DECR;
rw_lock_set_waiters(lock, 0); rw_lock_set_waiters(lock, 0);
...@@ -260,9 +260,9 @@ rw_lock_free( ...@@ -260,9 +260,9 @@ rw_lock_free(
lock->magic_n = 0; lock->magic_n = 0;
#ifndef HAVE_GCC_ATOMIC_BUILTINS #ifndef UNIV_SYNC_ATOMIC
mutex_free(rw_lock_get_mutex(lock)); mutex_free(rw_lock_get_mutex(lock));
#endif /* HAVE_GCC_ATOMIC_BUILTINS */ #endif /* UNIV_SYNC_ATOMIC */
mutex_enter(&rw_lock_list_mutex); mutex_enter(&rw_lock_list_mutex);
os_event_free(lock->event); os_event_free(lock->event);
...@@ -413,13 +413,13 @@ rw_lock_x_lock_move_ownership( ...@@ -413,13 +413,13 @@ rw_lock_x_lock_move_ownership(
{ {
ut_ad(rw_lock_is_locked(lock, RW_LOCK_EX)); ut_ad(rw_lock_is_locked(lock, RW_LOCK_EX));
#ifdef HAVE_GCC_ATOMIC_BUILTINS #ifdef UNIV_SYNC_ATOMIC
os_thread_id_t local_writer_thread = lock->writer_thread; os_thread_id_t local_writer_thread = lock->writer_thread;
os_thread_id_t new_writer_thread = os_thread_get_curr_id(); os_thread_id_t new_writer_thread = os_thread_get_curr_id();
while (TRUE) { while (TRUE) {
if ((int)local_writer_thread != -1) { if ((int)local_writer_thread != -1) {
if(os_compare_and_swap( if(os_compare_and_swap(
&(lock->writer_thread), (volatile lint*)&(lock->writer_thread),
local_writer_thread, local_writer_thread,
new_writer_thread)) { new_writer_thread)) {
break; break;
...@@ -428,12 +428,12 @@ rw_lock_x_lock_move_ownership( ...@@ -428,12 +428,12 @@ rw_lock_x_lock_move_ownership(
local_writer_thread = lock->writer_thread; local_writer_thread = lock->writer_thread;
} }
lock->pass = 0; lock->pass = 0;
#else /* HAVE_GCC_ATOMIC_BUILTINS */ #else /* UNIV_SYNC_ATOMIC */
mutex_enter(&(lock->mutex)); mutex_enter(&(lock->mutex));
lock->writer_thread = os_thread_get_curr_id(); lock->writer_thread = os_thread_get_curr_id();
lock->pass = 0; lock->pass = 0;
mutex_exit(&(lock->mutex)); mutex_exit(&(lock->mutex));
#endif /* HAVE_GCC_ATOMIC_BUILTINS */ #endif /* UNIV_SYNC_ATOMIC */
} }
/********************************************************************** /**********************************************************************
...@@ -883,7 +883,7 @@ rw_lock_list_print_info( ...@@ -883,7 +883,7 @@ rw_lock_list_print_info(
count++; count++;
#ifndef HAVE_GCC_ATOMIC_BUILTINS #ifndef UNIV_SYNC_ATOMIC
mutex_enter(&(lock->mutex)); mutex_enter(&(lock->mutex));
#endif #endif
if (lock->lock_word != X_LOCK_DECR) { if (lock->lock_word != X_LOCK_DECR) {
...@@ -902,7 +902,7 @@ rw_lock_list_print_info( ...@@ -902,7 +902,7 @@ rw_lock_list_print_info(
info = UT_LIST_GET_NEXT(list, info); info = UT_LIST_GET_NEXT(list, info);
} }
} }
#ifndef HAVE_GCC_ATOMIC_BUILTINS #ifndef UNIV_SYNC_ATOMIC
mutex_exit(&(lock->mutex)); mutex_exit(&(lock->mutex));
#endif #endif
...@@ -928,7 +928,7 @@ rw_lock_print( ...@@ -928,7 +928,7 @@ rw_lock_print(
"RW-LATCH INFO\n" "RW-LATCH INFO\n"
"RW-LATCH: %p ", (void*) lock); "RW-LATCH: %p ", (void*) lock);
#ifndef HAVE_GCC_ATOMIC_BUILTINS #ifndef UNIV_SYNC_ATOMIC
mutex_enter(&(lock->mutex)); mutex_enter(&(lock->mutex));
#endif #endif
if (lock->lock_word != X_LOCK_DECR) { if (lock->lock_word != X_LOCK_DECR) {
...@@ -945,7 +945,7 @@ rw_lock_print( ...@@ -945,7 +945,7 @@ rw_lock_print(
info = UT_LIST_GET_NEXT(list, info); info = UT_LIST_GET_NEXT(list, info);
} }
} }
#ifndef HAVE_GCC_ATOMIC_BUILTINS #ifndef UNIV_SYNC_ATOMIC
mutex_exit(&(lock->mutex)); mutex_exit(&(lock->mutex));
#endif #endif
} }
......
...@@ -238,7 +238,7 @@ mutex_create_func( ...@@ -238,7 +238,7 @@ mutex_create_func(
{ {
#if defined(_WIN32) && defined(UNIV_CAN_USE_X86_ASSEMBLER) #if defined(_WIN32) && defined(UNIV_CAN_USE_X86_ASSEMBLER)
mutex_reset_lock_word(mutex); mutex_reset_lock_word(mutex);
#elif defined(HAVE_GCC_ATOMIC_BUILTINS) #elif defined(MY_ATOMIC_NOLOCK)
mutex_reset_lock_word(mutex); mutex_reset_lock_word(mutex);
#else #else
os_fast_mutex_init(&(mutex->os_fast_mutex)); os_fast_mutex_init(&(mutex->os_fast_mutex));
...@@ -331,7 +331,7 @@ mutex_free( ...@@ -331,7 +331,7 @@ mutex_free(
os_event_free(mutex->event); os_event_free(mutex->event);
#if defined(_WIN32) && defined(UNIV_CAN_USE_X86_ASSEMBLER) #if defined(_WIN32) && defined(UNIV_CAN_USE_X86_ASSEMBLER)
#elif defined(HAVE_GCC_ATOMIC_BUILTINS) #elif defined(MY_ATOMIC_NOLOCK)
#else #else
os_fast_mutex_free(&(mutex->os_fast_mutex)); os_fast_mutex_free(&(mutex->os_fast_mutex));
#endif #endif
......
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