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-rw-r--r--otherlibs/threads/scheduler.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/otherlibs/threads/scheduler.c b/otherlibs/threads/scheduler.c
index 0274d47f4..74e2bfac1 100644
--- a/otherlibs/threads/scheduler.c
+++ b/otherlibs/threads/scheduler.c
@@ -613,9 +613,9 @@ static value inter_fdlist_set(fdl, set)
#if !(defined(WIFEXITED) && defined(WEXITSTATUS) && defined(WIFSTOPPED) && \
defined(WSTOPSIG) && defined(WTERMSIG))
/* Assume old-style V7 status word */
-#define WIFEXITED(status) ((status) & 0xFF == 0)
+#define WIFEXITED(status) (((status) & 0xFF) == 0)
#define WEXITSTATUS(status) (((status) >> 8) & 0xFF)
-#define WIFSTOPPED(status) ((status) & 0xFF == 0xFF)
+#define WIFSTOPPED(status) (((status) & 0xFF) == 0xFF)
#define WSTOPSIG(status) (((status) >> 8) & 0xFF)
#define WTERMSIG(status) ((status) & 0x3F)
#endif