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-
- #include "cmdlib.h"
- #include "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)
- printf ("%i...", f);
- }
-
- r = dispatch;
- dispatch++;
- ThreadUnlock ();
-
- return r;
- }
-
-
- void (*workfunction) (int);
-
- void ThreadWorkerFunction (int threadnum)
- {
- int work;
-
- while (1)
- {
- work = GetThreadWork ();
- if (work == -1)
- break;
- //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);
- }
-
-
- /*
- ===================================================================
-
- WIN32
-
- ===================================================================
- */
- #ifdef WIN32
-
- #define USED
-
- #include <windows.h>
-
- 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;
- }
-
- qprintf ("%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,
- (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)
- printf (" (%i)\n", end-start);
- }
-
-
- #endif
-
- /*
- ===================================================================
-
- OSF1
-
- ===================================================================
- */
-
- #ifdef __osf__
- #define USED
-
- 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 = 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)
- printf (" (%i)\n", end-start);
- }
-
-
- #endif
-
- /*
- ===================================================================
-
- IRIX
-
- ===================================================================
- */
-
- #ifdef _MIPS_ISA
- #define USED
-
- #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);
- 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, 0x100000);
- // pid[i] = sprocsp ( (void (*)(void *, size_t))func, PR_SALL, (void *)i
- // , NULL, 0x80000);
- 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)
- printf (" (%i)\n", end-start);
- }
-
-
- #endif
-
- /*
- =======================================================================
-
- SINGLE THREAD
-
- =======================================================================
- */
-
- #ifndef USED
-
- 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 ();
- #ifdef NeXT
- if (pacifier)
- setbuf (stdout, NULL);
- #endif
- func(0);
-
- end = I_FloatTime ();
- if (pacifier)
- printf (" (%i)\n", end-start);
- }
-
- #endif
-