+++ /dev/null
-/*
- * Copyright (c) 2017 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef included_vcom_glibc_socket_h
-#define included_vcom_glibc_socket_h
-
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <sys/select.h>
-#include <arpa/inet.h>
-#include <fcntl.h>
-
-#include <sys/epoll.h>
-
-#include <signal.h>
-#include <poll.h>
-
-/*
- *
- * Generic glibc fd api
- *
- */
-/*
- * glibc APIs from <unistd.h>
- */
-
-/* Close the file descriptor FD.
-
- This function is a cancellation point and therefore not marked with
- __THROW. */
-extern int close (int __fd);
-
-/* Read NBYTES into BUF from FD. Return the
- number read, -1 for errors or 0 for EOF.
-
- This function is a cancellation point and therefore not marked with
- __THROW. */
-extern ssize_t __wur read (int __fd, void *__buf, size_t __nbytes);
-
-/* Write N bytes of BUF to FD. Return the number written, or -1.
-
- This function is a cancellation point and therefore not marked with
- __THROW. */
-extern ssize_t __wur write (int __fd, const void *__buf, size_t __n);
-
-
-/*
- * glibc APIs from <fcntl.h>
- */
-
-/* Do the file control operation described by CMD on FD.
- The remaining arguments are interpreted depending on CMD.
-
- This function is a cancellation point and therefore not marked with
- __THROW. */
-extern int fcntl (int __fd, int __cmd, ...);
-
-
-/*
- * glibc APIs from <sys/select.h>
- */
-
-/* Check the first NFDS descriptors each in READFDS (if not NULL) for read
- readiness, in WRITEFDS (if not NULL) for write readiness, and in EXCEPTFDS
- (if not NULL) for exceptional conditions. If TIMEOUT is not NULL, time out
- after waiting the interval specified therein. Returns the number of ready
- descriptors, or -1 for errors.
-
-
- This function is a cancellation point and therefore not marked with
- __THROW. */
-extern int
-select (int __nfds, fd_set * __restrict __readfds,
- fd_set * __restrict __writefds,
- fd_set * __restrict __exceptfds,
- struct timeval *__restrict __timeout);
-
-#ifdef __USE_XOPEN2K
-/* Same as above only that the TIMEOUT value is given with higher
- resolution and a sigmask which is been set temporarily. This version
- should be used.
-
- This function is a cancellation point and therefore not marked with
- __THROW. */
-extern int
-pselect (int __nfds, fd_set * __restrict __readfds,
- fd_set * __restrict __writefds,
- fd_set * __restrict __exceptfds,
- const struct timespec *__restrict __timeout,
- const __sigset_t * __restrict __sigmask);
-#endif
-
-
-/*
- *
- * Socket specific glibc api
- *
- */
-
-/*
- * glibc APIs from <sys/socket.h>
- */
-
-/* Create a new socket of type TYPE in domain DOMAIN, using
- protocol PROTOCOL. If PROTOCOL is zero, one is chosen automatically.
- Returns a file descriptor for the new socket, or -1 for errors. */
-extern int __THROW socket (int __domain, int __type, int __protocol);
-
-/* Create two new sockets, of type TYPE in domain DOMAIN and using
- protocol PROTOCOL, which are connected to each other, and put file
- descriptors for them in FDS[0] and FDS[1]. If PROTOCOL is zero,
- one will be chosen automatically. Returns 0 on success, -1 for errors. */
-extern int __THROW
-socketpair (int __domain, int __type, int __protocol, int __fds[2]);
-
-/* Give the socket FD the local address ADDR (which is LEN bytes long). */
-extern int __THROW
-bind (int __fd, __CONST_SOCKADDR_ARG __addr, socklen_t __len);
-
-/* Put the local address of FD into *ADDR and its length in *LEN. */
-extern int __THROW
-getsockname (int __fd, __SOCKADDR_ARG __addr, socklen_t * __restrict __len);
-
-/* Open a connection on socket FD to peer at ADDR (which LEN bytes long).
- For connectionless socket types, just set the default address to send to
- and the only address from which to accept transmissions.
- Return 0 on success, -1 for errors.
-
- This function is a cancellation point and therefore not marked with
- __THROW. */
-extern int connect (int __fd, __CONST_SOCKADDR_ARG __addr, socklen_t __len);
-
-/* Put the address of the peer connected to socket FD into *ADDR
- (which is *LEN bytes long), and its actual length into *LEN. */
-extern int __THROW
-getpeername (int __fd, __SOCKADDR_ARG __addr, socklen_t * __restrict __len);
-
-/* Send N bytes of BUF to socket FD. Returns the number sent or -1.
-
- This function is a cancellation point and therefore not marked with
- __THROW. */
-extern ssize_t send (int __fd, const void *__buf, size_t __n, int __flags);
-
-/* Read N bytes into BUF from socket FD.
- Returns the number read or -1 for errors.
-
- This function is a cancellation point and therefore not marked with
- __THROW. */
-extern ssize_t recv (int __fd, void *__buf, size_t __n, int __flags);
-
-/* Send N bytes of BUF on socket FD to peer at address ADDR (which is
- ADDR_LEN bytes long). Returns the number sent, or -1 for errors.
-
- This function is a cancellation point and therefore not marked with
- __THROW. */
-extern ssize_t
-sendto (int __fd, const void *__buf, size_t __n,
- int __flags, __CONST_SOCKADDR_ARG __addr, socklen_t __addr_len);
-
-/* Read N bytes into BUF through socket FD.
- If ADDR is not NULL, fill in *ADDR_LEN bytes of it with tha address of
- the sender, and store the actual size of the address in *ADDR_LEN.
- Returns the number of bytes read or -1 for errors.
-
- This function is a cancellation point and therefore not marked with
- __THROW. */
-extern ssize_t
-recvfrom (int __fd, void *__restrict __buf,
- size_t __n, int __flags,
- __SOCKADDR_ARG __addr, socklen_t * __restrict __addr_len);
-
-/* Send a message described MESSAGE on socket FD.
- Returns the number of bytes sent, or -1 for errors.
-
- This function is a cancellation point and therefore not marked with
- __THROW. */
-extern ssize_t
-sendmsg (int __fd, const struct msghdr *__message, int __flags);
-
-#ifdef __USE_GNU
-/* Send a VLEN messages as described by VMESSAGES to socket FD.
- Returns the number of datagrams successfully written or -1 for errors.
-
- This function is a cancellation point and therefore not marked with
- __THROW. */
-extern int
-sendmmsg (int __fd, struct mmsghdr *__vmessages,
- unsigned int __vlen, int __flags);
-#endif
-
-/* Receive a message as described by MESSAGE from socket FD.
- Returns the number of bytes read or -1 for errors.
-
- This function is a cancellation point and therefore not marked with
- __THROW. */
-extern ssize_t recvmsg (int __fd, struct msghdr *__message, int __flags);
-
-#ifdef __USE_GNU
-/* Receive up to VLEN messages as described by VMESSAGES from socket FD.
- Returns the number of messages received or -1 for errors.
-
- This function is a cancellation point and therefore not marked with
- __THROW. */
-extern int
-recvmmsg (int __fd, struct mmsghdr *__vmessages,
- unsigned int __vlen, int __flags, struct timespec *__tmo);
-#endif
-
-
-/* Put the current value for socket FD's option OPTNAME at protocol level LEVEL
- into OPTVAL (which is *OPTLEN bytes long), and set *OPTLEN to the value's
- actual length. Returns 0 on success, -1 for errors. */
-extern int __THROW
-getsockopt (int __fd, int __level, int __optname,
- void *__restrict __optval, socklen_t * __restrict __optlen);
-
-/* Set socket FD's option OPTNAME at protocol level LEVEL
- to *OPTVAL (which is OPTLEN bytes long).
- Returns 0 on success, -1 for errors. */
-extern int __THROW
-setsockopt (int __fd, int __level, int __optname,
- const void *__optval, socklen_t __optlen);
-
-/* Prepare to accept connections on socket FD.
- N connection requests will be queued before further requests are refused.
- Returns 0 on success, -1 for errors. */
-extern int __THROW listen (int __fd, int __n);
-
-/* Await a connection on socket FD.
- When a connection arrives, open a new socket to communicate with it,
- set *ADDR (which is *ADDR_LEN bytes long) to the address of the connecting
- peer and *ADDR_LEN to the address's actual length, and return the
- new socket's descriptor, or -1 for errors.
-
- This function is a cancellation point and therefore not marked with
- __THROW. */
-extern int
-accept (int __fd, __SOCKADDR_ARG __addr, socklen_t * __restrict __addr_len);
-
-#ifdef __USE_GNU
-/* Similar to 'accept' but takes an additional parameter to specify flags.
-
- This function is a cancellation point and therefore not marked with
- __THROW. */
- /* TBD: implemented later */
-extern int
-accept4 (int __fd, __SOCKADDR_ARG __addr,
- socklen_t * __restrict __addr_len, int __flags);
-#endif
-
-/* Shut down all or part of the connection open on socket FD.
- HOW determines what to shut down:
- SHUT_RD = No more receptions;
- SHUT_WR = No more transmissions;
- SHUT_RDWR = No more receptions or transmissions.
- Returns 0 on success, -1 for errors. */
-extern int __THROW shutdown (int __fd, int __how);
-
-
-/*
- * glibc APIs from <sys/epoll.h>
- */
-
-/* Creates an epoll instance. Returns an fd for the new instance.
- The "size" parameter is a hint specifying the number of file
- descriptors to be associated with the new instance. The fd
- returned by epoll_create() should be closed with close(). */
-extern int __THROW epoll_create (int __size);
-
-/* Same as epoll_create but with an FLAGS parameter. The unused SIZE
- parameter has been dropped. */
-extern int __THROW epoll_create1 (int __flags);
-
-/* Manipulate an epoll instance "epfd". Returns 0 in case of success,
- -1 in case of error ( the "errno" variable will contain the
- specific error code ) The "op" parameter is one of the EPOLL_CTL_*
- constants defined above. The "fd" parameter is the target of the
- operation. The "event" parameter describes which events the caller
- is interested in and any associated user data. */
-extern int __THROW
-epoll_ctl (int __epfd, int __op, int __fd, struct epoll_event *__event);
-
-#define EP_INT_MAX ((int)(~0U>>1))
-#define EP_MAX_EVENTS (EP_INT_MAX / sizeof(struct epoll_event))
-
-/* Wait for events on an epoll instance "epfd". Returns the number of
- triggered events returned in "events" buffer. Or -1 in case of
- error with the "errno" variable set to the specific error code. The
- "events" parameter is a buffer that will contain triggered
- events. The "maxevents" is the maximum number of events to be
- returned ( usually size of "events" ). The "timeout" parameter
- specifies the maximum wait time in milliseconds (-1 == infinite).
-
- This function is a cancellation point and therefore not marked with
- __THROW. */
-extern int
-epoll_wait (int __epfd, struct epoll_event *__events,
- int __maxevents, int __timeout);
-
-/* Same as epoll_wait, but the thread's signal mask is temporarily
- and atomically replaced with the one provided as parameter.
-
- This function is a cancellation point and therefore not marked with
- __THROW. */
-extern int
-epoll_pwait (int __epfd, struct epoll_event *__events,
- int __maxevents, int __timeout, const __sigset_t * __ss);
-
-/* Poll the file descriptors described by the NFDS structures starting at
- FDS. If TIMEOUT is nonzero and not -1, allow TIMEOUT milliseconds for
- an event to occur; if TIMEOUT is -1, block until an event occurs.
- Returns the number of file descriptors with events, zero if timed out,
- or -1 for errors.
-
- This function is a cancellation point and therefore not marked with
- __THROW. */
-extern int poll (struct pollfd *__fds, nfds_t __nfds, int __timeout);
-
-#ifdef __USE_GNU
-/* Like poll, but before waiting the threads signal mask is replaced
- with that specified in the fourth parameter. For better usability,
- the timeout value is specified using a TIMESPEC object.
-
- This function is a cancellation point and therefore not marked with
- __THROW. */
-extern int ppoll (struct pollfd *__fds, nfds_t __nfds,
- const struct timespec *__timeout, const __sigset_t * __ss);
-#endif
-
-
-#endif /* included_vcom_glibc_socket_h */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
Code Review / vpp.git / blobdiff