From 98d335735d64ee34a34cb9c08ea2cb51a076d2a1 Mon Sep 17 00:00:00 2001
From: Nathan Zadoks <nathan@nathan7.eu>
Date: Wed, 2 Mar 2016 17:26:26 +0100
Subject: add sched_getcpu

This is a GNU extension, but a fairly minor one, for a system call that
otherwise has no libc wrapper.
---
 src/sched/sched_getcpu.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 src/sched/sched_getcpu.c

(limited to 'src')

diff --git a/src/sched/sched_getcpu.c b/src/sched/sched_getcpu.c
new file mode 100644
index 00000000..760e4d5b
--- /dev/null
+++ b/src/sched/sched_getcpu.c
@@ -0,0 +1,13 @@
+#define _GNU_SOURCE
+#include <sched.h>
+#include "syscall.h"
+
+int sched_getcpu(void)
+{
+	int r;
+	unsigned cpu;
+
+	r = __syscall(SYS_getcpu, &cpu, 0, 0);
+	if (!r) return cpu;
+	return __syscall_ret(r);
+}
-- 
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