--- /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