Fix build break on Mac
Change-Id: I5f5be69ed50605c03219d40e7c6d2198ac5b496a
diff --git a/audio_utils/fifo.cpp b/audio_utils/fifo.cpp
index 8273309..b5fe4b3 100644
--- a/audio_utils/fifo.cpp
+++ b/audio_utils/fifo.cpp
@@ -17,11 +17,21 @@
//#define LOG_NDEBUG 0
#define LOG_TAG "audio_utils_fifo"
+#include <errno.h>
#include <limits.h>
-#include <linux/futex.h>
#include <stdlib.h>
#include <string.h>
+
+// FIXME futex portion is not supported on Mac, should use the Mac alternative
+#ifdef __linux__
+#include <linux/futex.h>
#include <sys/syscall.h>
+#else
+#define FUTEX_WAIT 0
+#define FUTEX_WAIT_PRIVATE 0
+#define FUTEX_WAKE 0
+#define FUTEX_WAKE_PRIVATE 0
+#endif
#include <audio_utils/fifo.h>
#include <audio_utils/roundup.h>
@@ -30,7 +40,12 @@
static int sys_futex(void *addr1, int op, int val1, struct timespec *timeout, void *addr2, int val3)
{
+#ifdef __linux__
return syscall(SYS_futex, addr1, op, val1, timeout, addr2, val3);
+#else
+ errno = ENOSYS;
+ return -1;
+#endif
}
audio_utils_fifo_base::audio_utils_fifo_base(uint32_t frameCount)