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| author | Nick Mathewson <nickm@torproject.org> | 2013-01-11 16:37:34 -0800 |
|---|---|---|
| committer | Nick Mathewson <nickm@torproject.org> | 2013-01-11 16:37:34 -0800 |
| commit | bf7a0ff26808199ec68b86bb78c65fc21ba770f9 (patch) | |
| tree | c518eadaed2138552adecbe3d54b60c391cb0492 /util-internal.h | |
| parent | b452a4345088dcc7e7491bcff612f9f11dfb17da (diff) | |
| download | libevent-bf7a0ff26808199ec68b86bb78c65fc21ba770f9.tar.gz | |
When EWOULDBLOCK is not EAGAIN, treat it as equivalent to it
Acording to http://stackoverflow.com/questions/7003234/which-systems-define-eagain-and-ewouldblock-as-different-values
there are some older unixes that distinguish these error.s
Diffstat (limited to 'util-internal.h')
| -rw-r--r-- | util-internal.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/util-internal.h b/util-internal.h index fa29f271..f52ae3f4 100644 --- a/util-internal.h +++ b/util-internal.h @@ -79,15 +79,23 @@ extern "C" { #ifndef _WIN32 +#if EAGAIN == EWOULDBLOCK +#define EVUTIL_ERR_IS_EAGAIN(e) \ + ((e) == EAGAIN) +#else +#define EVUTIL_ERR_IS_EAGAIN(e) \ + ((e) == EAGAIN || (e) == EWOULDBLOCK) +#endif + /* True iff e is an error that means a read/write operation can be retried. */ #define EVUTIL_ERR_RW_RETRIABLE(e) \ - ((e) == EINTR || (e) == EAGAIN) + ((e) == EINTR || EVUTIL_ERR_IS_EAGAIN(e)) /* True iff e is an error that means an connect can be retried. */ #define EVUTIL_ERR_CONNECT_RETRIABLE(e) \ ((e) == EINTR || (e) == EINPROGRESS) /* True iff e is an error that means a accept can be retried. */ #define EVUTIL_ERR_ACCEPT_RETRIABLE(e) \ - ((e) == EINTR || (e) == EAGAIN || (e) == ECONNABORTED) + ((e) == EINTR || EVUTIL_ERR_IS_EAGAIN(e) || (e) == ECONNABORTED) /* True iff e is an error that means the connection was refused */ #define EVUTIL_ERR_CONNECT_REFUSED(e) \ |