diff options
Diffstat (limited to 'manual/socket.texi')
| -rw-r--r-- | manual/socket.texi | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/manual/socket.texi b/manual/socket.texi index 1d9d527..24b4563 100644 --- a/manual/socket.texi +++ b/manual/socket.texi @@ -254,7 +254,7 @@ address. Other processes can find it for communication only if you give it an address. We call this @dfn{binding} the address to the socket, and the way to do it is with the @code{bind} function. -You need be concerned with the address of a socket if other processes +You need only be concerned with the address of a socket if other processes are to find it and start communicating with it. You can specify an address for other sockets, but this is usually pointless; the first time you send data from a socket, or use it to initiate a connection, the @@ -662,8 +662,8 @@ To create a socket in the local namespace, use the constant @comment POSIX @deftypevr Macro int PF_LOCAL This designates the local namespace, in which socket addresses are local -names, and its associated family of protocols. @code{PF_Local} is the -macro used by Posix.1g. +names, and its associated family of protocols. @code{PF_LOCAL} is the +macro used by POSIX.1g. @end deftypevr @comment sys/socket.h @@ -713,7 +713,7 @@ the file name string. This can be done using the macro @code{SUN_LEN}: @comment BSD @deftypefn {Macro} int SUN_LEN (@emph{struct sockaddr_un *} @var{ptr}) @safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}} -The macro computes the length of socket address in the local namespace. +This macro computes the length of the socket address in the local namespace. @end deftypefn @node Local Socket Example @@ -1148,7 +1148,7 @@ a pointer into a statically-allocated buffer. Subsequent calls will overwrite the same buffer, so you should copy the string if you need to save it. -In multi-threaded programs each thread has an own statically-allocated +In multi-threaded programs each thread has its own statically-allocated buffer. But still subsequent calls of @code{inet_ntoa} in the same thread will overwrite the result of the last call. @@ -1464,7 +1464,7 @@ The host database contains an entry for the name, but it doesn't have an associated Internet address. @end table -The lookup functions above all have one in common: they are not +The lookup functions above all have one thing in common: they are not reentrant and therefore unusable in multi-threaded applications. Therefore provides @theglibc{} a new set of functions which can be used in this context. @@ -1545,7 +1545,7 @@ used in this context. The @code{gethostbyname_r} function returns information about the host named @var{name}. The caller must pass a pointer to an object of type @code{struct hostent} in the @var{result_buf} parameter. In addition -the function may need extra buffer space and the caller must pass an +the function may need extra buffer space and the caller must pass a pointer and the size of the buffer in the @var{buf} and @var{buflen} parameters. @@ -2527,7 +2527,7 @@ connection in progress (see @code{EINPROGRESS} above). This function is defined as a cancellation point in multi-threaded programs, so one has to be prepared for this and make sure that -allocated resources (like memory, files descriptors, semaphores or +allocated resources (like memory, file descriptors, semaphores or whatever) are freed even if the thread is canceled. @c @xref{pthread_cleanup_push}, for a method how to do this. @end deftypefun @@ -2663,7 +2663,7 @@ connections immediately available. This function is defined as a cancellation point in multi-threaded programs, so one has to be prepared for this and make sure that -allocated resources (like memory, files descriptors, semaphores or +allocated resources (like memory, file descriptors, semaphores or whatever) are freed even if the thread is canceled. @c @xref{pthread_cleanup_push}, for a method how to do this. @end deftypefun @@ -2797,7 +2797,7 @@ signal is ignored or blocked, or if its handler returns, then This function is defined as a cancellation point in multi-threaded programs, so one has to be prepared for this and make sure that -allocated resources (like memory, files descriptors, semaphores or +allocated resources (like memory, file descriptors, semaphores or whatever) are freed even if the thread is canceled. @c @xref{pthread_cleanup_push}, for a method how to do this. @end deftypefun @@ -2848,7 +2848,7 @@ You never connected this socket. This function is defined as a cancellation point in multi-threaded programs, so one has to be prepared for this and make sure that -allocated resources (like memory, files descriptors, semaphores or +allocated resources (like memory, file descriptors, semaphores or whatever) are freed even if the thread is canceled. @c @xref{pthread_cleanup_push}, for a method how to do this. @end deftypefun @@ -3163,7 +3163,7 @@ owing to a problem related to a previous call. This function is defined as a cancellation point in multi-threaded programs, so one has to be prepared for this and make sure that -allocated resources (like memory, files descriptors, semaphores or +allocated resources (like memory, file descriptors, semaphores or whatever) are freed even if the thread is canceled. @c @xref{pthread_cleanup_push}, for a method how to do this. @end deftypefun @@ -3202,7 +3202,7 @@ are also the same as for @code{recv}. This function is defined as a cancellation point in multi-threaded programs, so one has to be prepared for this and make sure that -allocated resources (like memory, files descriptors, semaphores or +allocated resources (like memory, file descriptors, semaphores or whatever) are freed even if the thread is canceled. @c @xref{pthread_cleanup_push}, for a method how to do this. @end deftypefun @@ -3431,7 +3431,7 @@ They are declared in @file{sys/socket.h}. The @code{getsockopt} function gets information about the value of option @var{optname} at level @var{level} for socket @var{socket}. -The option value is stored in a buffer that @var{optval} points to. +The option value is stored in the buffer that @var{optval} points to. Before the call, you should supply in @code{*@var{optlen-ptr}} the size of this buffer; on return, it contains the number of bytes of information actually stored in the buffer. |