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-rw-r--r--include/libc/libc_fdset.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/libc/libc_fdset.h b/include/libc/libc_fdset.h
index 0056d61cc5..613b0e9539 100644
--- a/include/libc/libc_fdset.h
+++ b/include/libc/libc_fdset.h
@@ -40,6 +40,10 @@
#define FD_SETSIZE DFS_FD_MAX
#endif
+# ifndef FD_SETSIZE
+# define FD_SETSIZE 32
+# endif
+
# define NBBY 8 /* number of bits in a byte */
typedef long fd_mask;