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| author | Mark Geisert <mark@maxrnd.com> | 2018-08-06 22:54:06 -0700 |
|---|---|---|
| committer | Corinna Vinschen <corinna@vinschen.de> | 2018-08-07 09:49:18 +0200 |
| commit | b1952c03a8d6970f0fb4bcfffb9cfb5b525884d6 (patch) | |
| tree | cee7e4cde757807b4fef85a649fda42de6eb1114 | |
| parent | f16b198c3b033ae60af9efcb045ebf68361950ad (diff) | |
| download | cygnal-b1952c03a8d6970f0fb4bcfffb9cfb5b525884d6.tar.gz cygnal-b1952c03a8d6970f0fb4bcfffb9cfb5b525884d6.tar.bz2 cygnal-b1952c03a8d6970f0fb4bcfffb9cfb5b525884d6.zip | |
Fix return value on aio_read/write success
Internally track resultant byte counts as ssize_t, but return 0 as int
for success indication, per POSIX.
| -rw-r--r-- | winsup/cygwin/aio.cc | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/winsup/cygwin/aio.cc b/winsup/cygwin/aio.cc index fe63dec04..7d5d98299 100644 --- a/winsup/cygwin/aio.cc +++ b/winsup/cygwin/aio.cc @@ -265,7 +265,7 @@ aiowaiter (void *unused) } } -static int +static ssize_t asyncread (struct aiocb *aio) { /* Try to initiate an asynchronous read, either from app or worker thread */ ssize_t res = 0; @@ -296,7 +296,7 @@ asyncread (struct aiocb *aio) return res; } -static int +static ssize_t asyncwrite (struct aiocb *aio) { /* Try to initiate an asynchronous write, either from app or worker thread */ ssize_t res = 0; @@ -712,7 +712,7 @@ aio_read (struct aiocb *aio) ; /* I think this is not possible */ } - return res; + return res < 0 ? (int) res : 0; /* return 0 on success */ } ssize_t @@ -902,7 +902,7 @@ aio_write (struct aiocb *aio) ; /* I think this is not possible */ } - return res; + return res < 0 ? (int) res : 0; /* return 0 on success */ } int |