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-rw-r--r--ev_select.c25
1 files changed, 24 insertions, 1 deletions
diff --git a/ev_select.c b/ev_select.c
index 3b06654..5844b8b 100644
--- a/ev_select.c
+++ b/ev_select.c
@@ -98,7 +98,7 @@ select_modify (EV_P_ int fd, int oev, int nev)
int word = fd / NFDBITS;
fd_mask mask = 1UL << (fd % NFDBITS);
- if (expect_false (vec_max < word + 1))
+ if (expect_false (vec_max <= word))
{
int new_max = word + 1;
@@ -147,6 +147,29 @@ select_poll (EV_P_ ev_tstamp timeout)
#if EV_SELECT_IS_WINSOCKET
errno = WSAGetLastError ();
#endif
+ #ifdef WSABASEERR
+ /* on windows, select returns incompatible error codes, fix this */
+ if (errno >= WSABASEERR && errno < WSABASEERR + 1000)
+ if (errno == WSAENOTSOCK)
+ errno = EBADF;
+ else
+ errno -= WSABASEERR;
+ #endif
+
+ #ifdef _WIN32
+ /* select on windows errornously returns EINVAL when no fd sets have been
+ * provided (this is documented). what microsoft doesn't tell you that this bug
+ * exists even when the fd sets are provided, so we have to check for this bug
+ * here and emulate by sleeping manually.
+ * we also get EINVAL when the timeout is invalid, but we ignore this case here
+ * and assume that EINVAL always means: you have to wait manually.
+ */
+ if (errno == EINVAL)
+ {
+ ev_sleep (timeout);
+ return;
+ }
+ #endif
if (errno == EBADF)
fd_ebadf (EV_A);