kore

commit 3eb3665600296ac75e852aeef0514b3c4035bc4f
parent 659e19f92f4e4e5584c62f72aefa2ba07562ad53
Author: Joris Vink <joris@coders.se>
Date:   Sun, 28 Jul 2013 19:21:49 +0200

Detect right amount of cpu's available under osx. From Vaibhav Bhembre via github.

Diffstat:
src/bsd.c
 | 
19
+++++++++++++++++++

1 file changed, 19 insertions(+), 0 deletions(-)
diff --git a/src/bsd.c b/src/bsd.c
@@ -17,6 +17,10 @@
 #include <sys/param.h>
 #include <sys/event.h>
 
+#ifdef __MACH__
+    #include <sys/sysctl.h>
+#endif
+
 #include "kore.h"
 
 static int			kfd = -1;
@@ -28,7 +32,22 @@ static u_int32_t		event_count = 0;
 void
 kore_platform_init(void)
 {
+#ifndef __MACH__
 	cpu_count = 0;
+#else
+	long	n;
+	size_t	len = sizeof(n);
+	int	mib[] = { CTL_HW, HW_AVAILCPU };
+
+	 sysctl(mib, 2, &n, &len, NULL, 0);
+	if (n < 1) {
+		mib[1] = HW_NCPU;
+		sysctl(mib, 2, &n, &len, NULL, 0);
+	}
+
+	if (n >= 1)
+		cpu_count = (u_int16_t)n;
+#endif /* !__MACH__ */
 }
 
 void