reset threadpool

openmmapi/src/ThreadPool.cpp

@@ -29,7 +29,6 @@
  * USE OR OTHER DEALINGS IN THE SOFTWARE.                                     *
  * -------------------------------------------------------------------------- */
 
-#include <stdlib.h>
 #include "openmm/internal/ThreadPool.h"
 #include "openmm/internal/hardware.h"
 
@@ -62,15 +61,7 @@ static void* threadBody(void* args) {
 }
 
 ThreadPool::ThreadPool() {
-    char* openmmNumThreads = getenv("OPENMM_NUM_THREADS");
-    char* end = openmmNumThreads;
-    if (openmmNumThreads != NULL) {
-        numThreads = strtol(openmmNumThreads, &end, 0);
-    }
-    if (openmmNumThreads == NULL || openmmNumThreads==end) {
     numThreads = getNumProcessors();
-    }
-        
     pthread_cond_init(&startCondition, NULL);
     pthread_cond_init(&endCondition, NULL);
     pthread_mutex_init(&lock, NULL);