Revision: 54021
http://brlcad.svn.sourceforge.net/brlcad/?rev=54021&view=rev
Author: brlcad
Date: 2012-12-07 05:51:27 +0000 (Fri, 07 Dec 2012)
Log Message:
-----------
accept gci task
http://www.google-melange.com/gci/task/view/google/gci2012/8030203 from
Adri?\195?\161n Arroyo Calle that reportedly (untested) implements for creating
threads on windows. this is the first of two critical pieces that get us
closer to SMP on windows.
Modified Paths:
--------------
brlcad/trunk/AUTHORS
brlcad/trunk/src/libbu/parallel.c
Modified: brlcad/trunk/AUTHORS
===================================================================
--- brlcad/trunk/AUTHORS 2012-12-07 03:18:41 UTC (rev 54020)
+++ brlcad/trunk/AUTHORS 2012-12-07 05:51:27 UTC (rev 54021)
@@ -634,7 +634,11 @@
2012 December
Open Source (GCI)
+Calle, Adrián Arroyo
+2012 December
+Open Source (GCI)
+
SPECIAL THANKS
--------------
Modified: brlcad/trunk/src/libbu/parallel.c
===================================================================
--- brlcad/trunk/src/libbu/parallel.c 2012-12-07 03:18:41 UTC (rev 54020)
+++ brlcad/trunk/src/libbu/parallel.c 2012-12-07 05:51:27 UTC (rev 54021)
@@ -997,7 +997,7 @@
/* XXX How to advise thread library that we need 'ncpu' processors? */
- /* Create the threads */
+ /* Create the posix threads */
for (x = 0; x < ncpu; x++) {
pthread_attr_t attrs;
pthread_attr_init(&attrs);
@@ -1066,6 +1066,44 @@
# endif /* end if posix threads */
+
+# ifdef WIN32
+ /* Win32 Threads */
+
+ thread = 0;
+ nthreadc = 0;
+ DWORD dwThreadIdArray[ncpu];
+ HANDLE hThreadArray[ncpu] = {0};
+
+ /* Create the Win32 threads */
+
+ for( int i = 0; i < ncpu; i++){
+ hThreadArray[i] = CreateThread(
+ NULL,
+ 0,
+ (LPVOID)parallel_interface,
+ NULL,
+ 0,
+ &dwThreadIdArray[i]);
+ if (hThreadArray[i] == NULL) {
+ bu_log("bu_parallel(): Error in CreateThread");
+ bu_exit();
+ }
+ }
+ /* Wait for other threads in the array */
+
+ WaitForMultipleObjects(i, hThreadArray, TRUE, INFINITE);
+ for (x = 0; x < nthreadc; x++) {
+ int ret;
+ if ((ret = CloseHandle(hThreadArray[x]) != 0)) {
+ /* The thread not closing properly */
+ bu_log("bu_parallel(): Error closing threads");
+ x--;
+ }
+ nthreade++;
+ }
+# endif /* end if Win32 threads */
+
/*
* Ensure that all the threads are REALLY finished. On some
* systems, if threads core dump, the rest of the gang keeps
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