$OpenBSD: patch-Foundation_src_Environment_UNIX_cpp,v 1.1.1.1 2010/07/28 18:13:01 sebastia Exp $

fix use of unavailable sysctlbyname

--- Foundation/src/Environment_UNIX.cpp.orig	Mon Jul 19 12:13:06 2010
+++ Foundation/src/Environment_UNIX.cpp	Mon Jul 19 12:22:52 2010
@@ -128,12 +128,26 @@ std::string EnvironmentImpl::nodeNameImpl()
 unsigned EnvironmentImpl::processorCountImpl()
 {
 #if defined(POCO_OS_FAMILY_BSD)
+#  if defined(__OpenBSD__)
+	int mib[2];
+	int ncpus = 0;
+	size_t len = 0;
+	mib[0] = CTL_HW;
+	mib[1] = HW_NCPU;	/* Get the number of CPU's present */
+	len = sizeof(ncpus);
+	if (sysctl(mib, 2, &ncpus, &len, NULL, 0) != 0) {
+		printf("Couldn't determine hw.ncpu.\n");
+		return 1; /* we have at least 1 cpu... */
+	}
+	return ncpus;
+#  else
 	unsigned count;
 	std::size_t size = sizeof(count);
 	if (sysctlbyname("hw.ncpu", &count, &size, 0, 0))
 		return 1;
 	else
 		return count;
+#  endif
 #elif POCO_OS == POCO_OS_HPUX
 	return pthread_num_processors_np();
 #elif defined(_SC_NPROCESSORS_ONLN)