diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/apr_network_io.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/apr_network_io.h b/include/apr_network_io.h index b3536d802..e37b95297 100644 --- a/include/apr_network_io.h +++ b/include/apr_network_io.h @@ -574,6 +574,12 @@ APR_DECLARE(apr_status_t) apr_socket_send(apr_socket_t *sock, const char *buf, * socket option. * The number of bytes actually sent is stored in argument 4. * + * This function does not provide full-write and/or atomicity guarantees + * if the underlying system call does not either. Some systems (like Windows) + * guarantee both for a single system call but this call does not allow for + * as much data as an iovec vector can contain; in this case apr_socket_sendv() + * can issue multiple system calls thus favoring full-write over atomicity. + * * It is possible for both bytes to be sent and an error to be returned. * * APR_EINTR is never returned. |