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-
- #include "cmdlib.h"
- #include "threads.h"
-
- #define MAX_THREADS 64
-
- int dispatch;
- int workcount;
- int oldf;
- qboolean pacifier;
-
- /*
- =============
- 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;
- }
-
-
-
- /*
- ===================================================================
-
- WIN32
-
- ===================================================================
- */
- #ifdef WIN32
-
- #define USED
-
- #include <windows.h>
-
- int numthreads = 1;
- CRITICAL_SECTION crit;
-
- void ThreadLock (void)
- {
- EnterCriticalSection (&crit);
- }
-
- void ThreadUnlock (void)
- {
- LeaveCriticalSection (&crit);
- }
-
- /*
- =============
- RunThreadsOn
- =============
- */
- void RunThreadsOn (int workcnt, qboolean showpacifier, void(*func)(int))
- {
- int threadid[MAX_THREADS];
- HANDLE threadhandle[MAX_THREADS];
- int i;
-
- dispatch = 0;
- workcount = workcnt;
- oldf = -1;
- pacifier = showpacifier;
-
- //
- // run threads in parallel
- //
- InitializeCriticalSection (&crit);
- 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);
- if (pacifier)
- printf ("\n");
- }
-
-
- #endif
-
- /*
- ===================================================================
-
- OSF1
-
- ===================================================================
- */
-
- #ifdef __osf__
- #define USED
-
- int 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;
-
- dispatch = 0;
- workcount = workcnt;
- oldf = -1;
- pacifier = showpacifier;
-
- 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");
- }
-
- if (pacifier)
- printf ("\n");
- }
-
-
- #endif
-
- /*
- =======================================================================
-
- SINGLE THREAD
-
- =======================================================================
- */
-
- #ifndef USED
-
- int numthreads = 1;
-
- void ThreadLock (void)
- {
- }
-
- void ThreadUnlock (void)
- {
- }
-
- /*
- =============
- RunThreadsOn
- =============
- */
- void RunThreadsOn (int workcnt, qboolean showpacifier, void(*func)(int))
- {
- int i;
-
- dispatch = 0;
- workcount = workcnt;
- oldf = -1;
- pacifier = showpacifier;
-
- func(0);
-
- if (pacifier)
- printf ("\n");
- }
-
- #endif
-