1 files changed, 4 insertions, 0 deletions

diff --git a/atomicio.c b/atomicio.c
index 601b3c371..2bac36c91 100644
--- a/atomicio.c
+++ b/atomicio.c
@@ -56,8 +56,10 @@ atomicio6(ssize_t (*f) (int, void *, size_t), int fd, void *_s, size_t n,
         ssize_t res;
         struct pollfd pfd;
 
+#ifndef BROKEN_READ_COMPARISON
         pfd.fd = fd;
         pfd.events = f == read ? POLLIN : POLLOUT;
+#endif
         while (n > pos) {
                 res = (f) (fd, s + pos, n - pos);
                 switch (res) {
@@ -65,7 +67,9 @@ atomicio6(ssize_t (*f) (int, void *, size_t), int fd, void *_s, size_t n,
                         if (errno == EINTR)
                                 continue;
                         if (errno == EAGAIN || errno == EWOULDBLOCK) {
+#ifndef BROKEN_READ_COMPARISON
                                 (void)poll(&pfd, 1, -1);
+#endif
                                 continue;
                         }
                         return 0;