diff options
Diffstat (limited to 'ext/io/wait/wait.c')
-rw-r--r-- | ext/io/wait/wait.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/ext/io/wait/wait.c b/ext/io/wait/wait.c index 34e832b122..eb7ed03cea 100644 --- a/ext/io/wait/wait.c +++ b/ext/io/wait/wait.c @@ -14,6 +14,9 @@ #include "ruby/io.h" #include <sys/types.h> +#if defined(HAVE_UNISTD_H) && (defined(__sun) || defined(__sun__)) +#include <unistd.h> +#endif #if defined(HAVE_SYS_IOCTL_H) #include <sys/ioctl.h> #endif |