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-rw-r--r--erts/emulator/drivers/common/efile_drv.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/erts/emulator/drivers/common/efile_drv.c b/erts/emulator/drivers/common/efile_drv.c
index 98c0c9b59c..7a80b382b1 100644
--- a/erts/emulator/drivers/common/efile_drv.c
+++ b/erts/emulator/drivers/common/efile_drv.c
@@ -156,11 +156,11 @@ static ErlDrvSysInfo sys_info;
* DARWIN. The testcase t_sendfile_crashduring reproduces
* this error when using +A 10.
*/
-#if !defined(DARWIN)
-#define USE_THRDS_FOR_SENDFILE (sys_info.async_threads > 0)
-#else
+#if defined(__APPLE__) && defined(__MACH__)
#define USE_THRDS_FOR_SENDFILE 0
-#endif /* !DARWIN */
+#else
+#define USE_THRDS_FOR_SENDFILE (sys_info.async_threads > 0)
+#endif /* defined(__APPLE__) && defined(__MACH__) */