+++ /dev/null
-/*
- Copyright (C) 1999-2007 id Software, Inc. and contributors.
- For a list of contributors, see the accompanying CONTRIBUTORS file.
-
- This file is part of GtkRadiant.
-
- GtkRadiant is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- GtkRadiant is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with GtkRadiant; if not, write to the Free Software
- Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include "globaldefs.h"
-
-#if !GDEF_OS_WINDOWS
-// The below define is necessary to use
-// pthreads extensions like pthread_mutexattr_settype
-#define _GNU_SOURCE
-#endif // !GDEF_OS_WINDOWS
-
-#include "cmdlib.h"
-#include "mathlib.h"
-#include "inout.h"
-#include "her2_threads.h"
-
-#define MAX_THREADS 64
-
-int dispatch;
-int workcount;
-int oldf;
-qboolean pacifier;
-
-qboolean threaded;
-
-/*
- =============
- GetThreadWork
-
- =============
- */
-int GetThreadWork( void ){
- int r;
- int f;
-
- ThreadLock();
-
- if ( dispatch == workcount ) {
- ThreadUnlock();
- return -1;
- }
-
- f = 10 * dispatch / workcount;
- if ( f != oldf ) {
- oldf = f;
- if ( pacifier ) {
- Sys_Printf( "%i...", f );
- fflush( stdout ); /* ydnar */
- }
- }
-
- r = dispatch;
- dispatch++;
- ThreadUnlock();
-
- return r;
-}
-
-
-void ( *workfunction )( int );
-
-void ThreadWorkerFunction( int threadnum ){
- int work;
-
- while ( 1 )
- {
- work = GetThreadWork();
- if ( work == -1 ) {
- break;
- }
- //Sys_Printf ("thread %i, work %i\n", threadnum, work);
- workfunction( work );
- }
-}
-
-void RunThreadsOnIndividual( int workcnt, qboolean showpacifier, void ( *func )( int ) ){
- if ( numthreads == -1 ) {
- ThreadSetDefault();
- }
- workfunction = func;
- RunThreadsOn( workcnt, showpacifier, ThreadWorkerFunction );
-}
-
-
-#if GDEF_OS_WINDOWS
-
-/*
- ===================================================================
-
- WIN32
-
- ===================================================================
- */
-
-#include <windows.h>
-
-// Setting default Threads to 1
-int numthreads = 1;
-CRITICAL_SECTION crit;
-static int enter;
-
-void ThreadSetDefault( void ){
- SYSTEM_INFO info;
-
- if ( numthreads == -1 ) { // not set manually
- GetSystemInfo( &info );
- numthreads = info.dwNumberOfProcessors;
- if ( numthreads < 1 || numthreads > 32 ) {
- numthreads = 1;
- }
- }
-
- Sys_Printf( "%i threads\n", numthreads );
-}
-
-
-void ThreadLock( void ){
- if ( !threaded ) {
- return;
- }
- EnterCriticalSection( &crit );
- if ( enter ) {
- Error( "Recursive ThreadLock\n" );
- }
- enter = 1;
-}
-
-void ThreadUnlock( void ){
- if ( !threaded ) {
- return;
- }
- if ( !enter ) {
- Error( "ThreadUnlock without lock\n" );
- }
- enter = 0;
- LeaveCriticalSection( &crit );
-}
-
-/*
- =============
- RunThreadsOn
- =============
- */
-void RunThreadsOn( int workcnt, qboolean showpacifier, void ( *func )( int ) ){
- int threadid[MAX_THREADS];
- HANDLE threadhandle[MAX_THREADS];
- int i;
- int start, end;
-
- start = I_FloatTime();
- dispatch = 0;
- workcount = workcnt;
- oldf = -1;
- pacifier = showpacifier;
- threaded = true;
-
- //
- // run threads in parallel
- //
- InitializeCriticalSection( &crit );
-
- if ( numthreads == 1 ) { // use same thread
- func( 0 );
- }
- else
- {
- for ( i = 0 ; i < numthreads ; i++ )
- {
- threadhandle[i] = CreateThread(
- NULL, // LPSECURITY_ATTRIBUTES lpsa,
- //0, // DWORD cbStack,
-
- /* ydnar: cranking stack size to eliminate radiosity crash with 1MB stack on win32 */
- ( 4096 * 1024 ),
-
- (LPTHREAD_START_ROUTINE)func, // LPTHREAD_START_ROUTINE lpStartAddr,
- (LPVOID)i, // LPVOID lpvThreadParm,
- 0, // DWORD fdwCreate,
- &threadid[i] );
- }
-
- for ( i = 0 ; i < numthreads ; i++ )
- WaitForSingleObject( threadhandle[i], INFINITE );
- }
- DeleteCriticalSection( &crit );
-
- threaded = false;
- end = I_FloatTime();
- if ( pacifier ) {
- Sys_Printf( " (%i)\n", end - start );
- }
-}
-
-
-#elif GDEF_OS_OSF1
-
-/*
- ===================================================================
-
- OSF1
-
- ===================================================================
- */
-
-int numthreads = 4;
-
-void ThreadSetDefault( void ){
- if ( numthreads == -1 ) { // not set manually
- numthreads = 4;
- }
-}
-
-
-#include <pthread.h>
-
-pthread_mutex_t *my_mutex;
-
-void ThreadLock( void ){
- if ( my_mutex ) {
- pthread_mutex_lock( my_mutex );
- }
-}
-
-void ThreadUnlock( void ){
- if ( my_mutex ) {
- pthread_mutex_unlock( my_mutex );
- }
-}
-
-
-/*
- =============
- RunThreadsOn
- =============
- */
-void RunThreadsOn( int workcnt, qboolean showpacifier, void ( *func )( int ) ){
- int i;
- pthread_t work_threads[MAX_THREADS];
- pthread_addr_t status;
- pthread_attr_t attrib;
- pthread_mutexattr_t mattrib;
- int start, end;
-
- start = I_FloatTime();
- dispatch = 0;
- workcount = workcnt;
- oldf = -1;
- pacifier = showpacifier;
- threaded = true;
-
- if ( pacifier ) {
- setbuf( stdout, NULL );
- }
-
- if ( !my_mutex ) {
- my_mutex = safe_malloc( sizeof( *my_mutex ) );
- if ( pthread_mutexattr_create( &mattrib ) == -1 ) {
- Error( "pthread_mutex_attr_create failed" );
- }
- if ( pthread_mutexattr_setkind_np( &mattrib, MUTEX_FAST_NP ) == -1 ) {
- Error( "pthread_mutexattr_setkind_np failed" );
- }
- if ( pthread_mutex_init( my_mutex, mattrib ) == -1 ) {
- Error( "pthread_mutex_init failed" );
- }
- }
-
- if ( pthread_attr_create( &attrib ) == -1 ) {
- Error( "pthread_attr_create failed" );
- }
- if ( pthread_attr_setstacksize( &attrib, 0x100000 ) == -1 ) {
- Error( "pthread_attr_setstacksize failed" );
- }
-
- for ( i = 0 ; i < numthreads ; i++ )
- {
- if ( pthread_create( &work_threads[i], attrib
- , (pthread_startroutine_t)func, (pthread_addr_t)i ) == -1 ) {
- Error( "pthread_create failed" );
- }
- }
-
- for ( i = 0 ; i < numthreads ; i++ )
- {
- if ( pthread_join( work_threads[i], &status ) == -1 ) {
- Error( "pthread_join failed" );
- }
- }
-
- threaded = false;
-
- end = I_FloatTime();
- if ( pacifier ) {
- Sys_Printf( " (%i)\n", end - start );
- }
-}
-
-
-#elif GDEF_OS_IRIX
-
-/*
- ===================================================================
-
- IRIX
-
- ===================================================================
- */
-
-#include <task.h>
-#include <abi_mutex.h>
-#include <sys/types.h>
-#include <sys/prctl.h>
-
-int numthreads = -1;
-abilock_t lck;
-
-void ThreadSetDefault( void ){
- if ( numthreads == -1 ) {
- numthreads = prctl( PR_MAXPPROCS );
- }
- Sys_Printf( "%i threads\n", numthreads );
- usconfig( CONF_INITUSERS, numthreads );
-}
-
-
-void ThreadLock( void ){
- spin_lock( &lck );
-}
-
-void ThreadUnlock( void ){
- release_lock( &lck );
-}
-
-
-/*
- =============
- RunThreadsOn
- =============
- */
-void RunThreadsOn( int workcnt, qboolean showpacifier, void ( *func )( int ) ){
- int i;
- int pid[MAX_THREADS];
- int start, end;
-
- start = I_FloatTime();
- dispatch = 0;
- workcount = workcnt;
- oldf = -1;
- pacifier = showpacifier;
- threaded = true;
-
- if ( pacifier ) {
- setbuf( stdout, NULL );
- }
-
- init_lock( &lck );
-
- for ( i = 0 ; i < numthreads - 1 ; i++ )
- {
- pid[i] = sprocsp( ( void ( * )( void *, size_t ) )func, PR_SALL, (void *)i
- , NULL, 0x200000 ); // 2 meg stacks
- if ( pid[i] == -1 ) {
- perror( "sproc" );
- Error( "sproc failed" );
- }
- }
-
- func( i );
-
- for ( i = 0 ; i < numthreads - 1 ; i++ )
- wait( NULL );
-
- threaded = false;
-
- end = I_FloatTime();
- if ( pacifier ) {
- Sys_Printf( " (%i)\n", end - start );
- }
-}
-
-
-#elif GDEF_OS_LINUX || GDEF_OS_BSD || GDEF_OS_MACOS
-
-/*
- =======================================================================
-
- Linux pthreads
-
- =======================================================================
- */
-
-// Setting default Threads to 1
-int numthreads = 1;
-
-void ThreadSetDefault( void ){
- if ( numthreads == -1 ) { // not set manually
- /* default to one thread, only multi-thread when specifically told to */
- numthreads = 1;
- }
- if ( numthreads > 1 ) {
- Sys_Printf( "threads: %d\n", numthreads );
- }
-}
-
-#include <pthread.h>
-
-typedef struct pt_mutex_s
-{
- pthread_t *owner;
- pthread_mutex_t a_mutex;
- pthread_cond_t cond;
- unsigned int lock;
-} pt_mutex_t;
-
-pt_mutex_t global_lock;
-
-void ThreadLock( void ){
- pt_mutex_t *pt_mutex = &global_lock;
-
- if ( !threaded ) {
- return;
- }
-
- pthread_mutex_lock( &pt_mutex->a_mutex );
- if ( pthread_equal( pthread_self(), (pthread_t)&pt_mutex->owner ) ) {
- pt_mutex->lock++;
- }
- else
- {
- if ( ( !pt_mutex->owner ) && ( pt_mutex->lock == 0 ) ) {
- pt_mutex->owner = (pthread_t *)pthread_self();
- pt_mutex->lock = 1;
- }
- else
- {
- while ( 1 )
- {
- pthread_cond_wait( &pt_mutex->cond, &pt_mutex->a_mutex );
- if ( ( !pt_mutex->owner ) && ( pt_mutex->lock == 0 ) ) {
- pt_mutex->owner = (pthread_t *)pthread_self();
- pt_mutex->lock = 1;
- break;
- }
- }
- }
- }
- pthread_mutex_unlock( &pt_mutex->a_mutex );
-}
-
-void ThreadUnlock( void ){
- pt_mutex_t *pt_mutex = &global_lock;
-
- if ( !threaded ) {
- return;
- }
-
- pthread_mutex_lock( &pt_mutex->a_mutex );
- pt_mutex->lock--;
-
- if ( pt_mutex->lock == 0 ) {
- pt_mutex->owner = NULL;
- pthread_cond_signal( &pt_mutex->cond );
- }
-
- pthread_mutex_unlock( &pt_mutex->a_mutex );
-}
-
-void recursive_mutex_init( pthread_mutexattr_t attribs ){
- pt_mutex_t *pt_mutex = &global_lock;
-
- pt_mutex->owner = NULL;
- if ( pthread_mutex_init( &pt_mutex->a_mutex, &attribs ) != 0 ) {
- Error( "pthread_mutex_init failed\n" );
- }
- if ( pthread_cond_init( &pt_mutex->cond, NULL ) != 0 ) {
- Error( "pthread_cond_init failed\n" );
- }
-
- pt_mutex->lock = 0;
-}
-
-/*
- =============
- RunThreadsOn
- =============
- */
-void RunThreadsOn( int workcnt, qboolean showpacifier, void ( *func )( int ) ){
- pthread_mutexattr_t mattrib;
- pthread_t work_threads[MAX_THREADS];
-
- int start, end;
- int i = 0, status = 0;
-
- start = I_FloatTime();
- pacifier = showpacifier;
-
- dispatch = 0;
- oldf = -1;
- workcount = workcnt;
-
- if ( numthreads == 1 ) {
- func( 0 );
- }
- else
- {
- threaded = true;
-
- if ( pacifier ) {
- setbuf( stdout, NULL );
- }
-
- if ( pthread_mutexattr_init( &mattrib ) != 0 ) {
- Error( "pthread_mutexattr_init failed" );
- }
- if ( pthread_mutexattr_settype( &mattrib, PTHREAD_MUTEX_ERRORCHECK ) != 0 ) {
- Error( "pthread_mutexattr_settype failed" );
- }
- recursive_mutex_init( mattrib );
-
- for ( i = 0 ; i < numthreads ; i++ )
- {
- /* Default pthread attributes: joinable & non-realtime scheduling */
- if ( pthread_create( &work_threads[i], NULL, (void*)func, (void*)i ) != 0 ) {
- Error( "pthread_create failed" );
- }
- }
- for ( i = 0 ; i < numthreads ; i++ )
- {
- if ( pthread_join( work_threads[i], (void **)&status ) != 0 ) {
- Error( "pthread_join failed" );
- }
- }
- pthread_mutexattr_destroy( &mattrib );
- threaded = false;
- }
-
- end = I_FloatTime();
- if ( pacifier ) {
- Sys_Printf( " (%i)\n", end - start );
- }
-}
-
-
-#else // UNKNOWN OS
-
-/*
- =======================================================================
-
- SINGLE THREAD
-
- =======================================================================
- */
-
-int numthreads = 1;
-
-void ThreadSetDefault( void ){
- numthreads = 1;
-}
-
-void ThreadLock( void ){
-}
-
-void ThreadUnlock( void ){
-}
-
-/*
- =============
- RunThreadsOn
- =============
- */
-void RunThreadsOn( int workcnt, qboolean showpacifier, void ( *func )( int ) ){
- int i;
- int start, end;
-
- dispatch = 0;
- workcount = workcnt;
- oldf = -1;
- pacifier = showpacifier;
- start = I_FloatTime();
- func( 0 );
-
- end = I_FloatTime();
- if ( pacifier ) {
- Sys_Printf( " (%i)\n", end - start );
- }
-}
-
-#endif // UNKNOWN OS
projects / xonotic / netradiant.git / blobdiff