svc_sendreply(3) manual page

See rpc(3) for the definition of the SVCXPRT data structure.

`svc_dg_enablecache()`
	This function allocates a duplicate request cache for the service endpoint xprt, large enough to hold cache_size entries. Once enabled, there is no way to disable caching. This routine returns 0 if space necessary for a cache of the given size was successfully allocated, and 1 otherwise.
`svc_exit()`
	This function, when called by any of the RPC server procedure or otherwise, causes `svc_run()` to return. As currently implemented, `svc_exit()` zeroes the svc_fdset global variable. If RPC server activity is to be resumed, services must be reregistered with the RPC library either through one of the rpc_svc_create(3) functions, or using `xprt_register()`. The `svc_exit()` function has global scope and ends all RPC server activity.
fd_set svc_fdset A global variable reflecting the RPC server's read file descriptor bit mask; it is suitable as an argument to the select(2) system call. This is only of interest if service implementors do not call `svc_run()`, but rather do their own asynchronous event processing. This variable is read-only (do not pass its address to select(2) !), yet it may change after calls to `svc_getreqset()` or any creation routines.
`svc_freeargs()`
	A function macro that frees any data allocated by the RPC/XDR system when it decoded the arguments to a service procedure using `svc_getargs()`. This routine returns `TRUE` if the results were successfully freed, and `FALSE` otherwise.
`svc_getargs()`
	A function macro that decodes the arguments of an RPC request associated with the RPC service transport handle xprt. The in argument is the address where the arguments will be placed; inproc is the XDR routine used to decode the arguments. This routine returns `TRUE` if decoding succeeds, and `FALSE` otherwise.
`svc_getreq_common()`
	This routine is called to handle a request on the given file descriptor.
`svc_getreq_poll()`
	This routine is only of interest if a service implementor does not call `svc_run()`, but instead implements custom asynchronous event processing. It is called when poll(2) has determined that an RPC request has arrived on some RPC file descriptors; pollretval is the return value from poll(2) and pfdp is the array of pollfd structures on which the poll(2) was done. It is assumed to be an array large enough to contain the maximal number of descriptors allowed.
`svc_getreqset()`
	This routine is only of interest if a service implementor does not call `svc_run()`, but instead implements custom asynchronous event processing. It is called when poll(2) has determined that an RPC request has arrived on some RPC file descriptors; rdfds is the resultant read file descriptor bit mask. The routine returns when all file descriptors associated with the value of rdfds have been serviced.
`svc_getrpccaller()`
	The approved way of getting the network address of the caller of a procedure associated with the RPC service transport handle xprt.
`__svc_getcallercreds()`
	Warning: this macro is specific to FreeBSD and thus not portable. This macro returns a pointer to a cmsgcred structure, defined in `<sys/socket.h>`, identifying the calling client. This only works if the client is calling the server over an `AF_LOCAL` socket.
struct pollfd svc_pollset[FD_SETSIZE]; svc_pollset is an array of pollfd structures derived from svc_fdset[]. It is suitable as an argument to the poll(2) system call. The derivation of svc_pollset from svc_fdset is made in the current implementation in `svc_run()`. Service implementors who do not call `svc_run()` and who wish to use this array must perform this derivation themselves.
`svc_run()`
	This routine never returns. It waits for RPC requests to arrive, and calls the appropriate service procedure using `svc_getreq_poll()` when one arrives. This procedure is usually waiting for the poll(2) system call to return.
`svc_sendreply()`
	Called by an RPC service's dispatch routine to send the results of a remote procedure call. The xprt argument is the request's associated transport handle; outproc is the XDR routine which is used to encode the results; and out is the address of the results. This routine returns `TRUE` if it succeeds, `FALSE` otherwise.

Manual Pages — RPC_SVC_CALLS

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