summaryrefslogtreecommitdiff
path: root/src/os/unix
diff options
context:
space:
mode:
authormichi_cc <michi_cc@openttd.org>2011-12-10 16:54:41 +0000
committermichi_cc <michi_cc@openttd.org>2011-12-10 16:54:41 +0000
commita0f3649c1abe7b831f083366e2fd91206bf23091 (patch)
tree5a352c430013c682e93d1a1b85960182cd18fbac /src/os/unix
parent0ca25fb3af8fbf00607df120149b27aa7a763edb (diff)
downloadopenttd-a0f3649c1abe7b831f083366e2fd91206bf23091.tar.xz
(svn r23481) -Add: Function to get the CPU core count.
Diffstat (limited to 'src/os/unix')
-rw-r--r--src/os/unix/unix.cpp31
1 files changed, 31 insertions, 0 deletions
diff --git a/src/os/unix/unix.cpp b/src/os/unix/unix.cpp
index 371beb226..700a9050c 100644
--- a/src/os/unix/unix.cpp
+++ b/src/os/unix/unix.cpp
@@ -28,10 +28,18 @@
#define HAS_STATVFS
#endif
+#if defined(OPENBSD) || defined(__NetBSD__) || defined(__FreeBSD__)
+ #define HAS_SYSCTL
+#endif
+
#ifdef HAS_STATVFS
#include <sys/statvfs.h>
#endif
+#ifdef HAS_SYSCTL
+#include <sys/sysctl.h>
+#endif
+
#ifdef __MORPHOS__
#include <exec/types.h>
@@ -318,3 +326,26 @@ void CSleep(int milliseconds)
usleep(milliseconds * 1000);
#endif
}
+
+
+#ifndef __APPLE__
+uint GetCPUCoreCount()
+{
+ uint count = 1;
+#ifdef HAS_SYSCTL
+ int ncpu = 0;
+ size_t len = sizeof(ncpu);
+
+ if (sysctlbyname("hw.availcpu", &ncpu, &len, NULL, 0) < 0) {
+ sysctlbyname("hw.ncpu", &ncpu, &len, NULL, 0);
+ }
+
+ if (ncpu > 0) count = ncpu;
+#elif defined(_SC_NPROCESSORS_ONLN)
+ long res = sysconf(_SC_NPROCESSORS_ONLN);
+ if (res > 0) count = res;
+#endif
+
+ return count;
+}
+#endif