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-rw-r--r--src/chunklets/fastspin.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/chunklets/fastspin.c b/src/chunklets/fastspin.c
index bfaaf9b..e29bd68 100644
--- a/src/chunklets/fastspin.c
+++ b/src/chunklets/fastspin.c
@@ -51,6 +51,7 @@ void _mm_pause(); // don't pull in emmintrin.h for this
#include <linux/futex.h>
#include <sys/syscall.h>
+#include <unistd.h>
// some arches only have a _time64 variant. doesn't actually matter what
// timespec ABI is used here, as we don't use/expose that functionality