- (djm) [atomicio.c] Fix spin avoidance for platforms that define

   EWOULDBLOCK; patch from ben AT psc.edu

1 files changed, 8 insertions, 8 deletions

diff --git a/atomicio.c b/atomicio.c
index f32ff85ba..62ee40282 100644
--- a/atomicio.c
+++ b/atomicio.c
@@ -57,13 +57,13 @@ atomicio(ssize_t (*f) (int, void *, size_t), int fd, void *_s, size_t n)
                 res = (f) (fd, s + pos, n - pos);
                 switch (res) {
                 case -1:
-#ifdef EWOULDBLOCK
-                        if (errno == EINTR || errno == EWOULDBLOCK)
-#else
                         if (errno == EINTR)
-#endif
                                 continue;
+#ifdef EWOULDBLOCK
+                        if (errno == EAGAIN || errno == EWOULDBLOCK) {
+#else
                         if (errno == EAGAIN) {
+#endif
                                 (void)poll(&pfd, 1, -1);
                                 continue;
                         }
@@ -103,13 +103,13 @@ atomiciov(ssize_t (*f) (int, const struct iovec *, int), int fd,
                 res = (f) (fd, iov, iovcnt);
                 switch (res) {
                 case -1:
-#ifdef EWOULDBLOCK
-                        if (errno == EINTR || errno == EWOULDBLOCK)
-#else
                         if (errno == EINTR)
-#endif
                                 continue;
+#ifdef EWOULDBLOCK
+                        if (errno == EAGAIN || errno == EWOULDBLOCK) {
+#else
                         if (errno == EAGAIN) {
+#endif
                                 (void)poll(&pfd, 1, -1);
                                 continue;
                         }