/* * Copyright (c) 2010, Oracle America, Inc. * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials * provided with the distribution. * * Neither the name of the "Oracle America, Inc." nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * This is the rpc server side idle loop * Wait for input, call server program. */ #include <errno.h> #include <unistd.h> #include <libintl.h> #include <sys/poll.h> #include <rpc/rpc.h> /* This function can be used as a signal handler to terminate the server loop. */ void svc_exit (void) { free (svc_pollfd); svc_pollfd = NULL; svc_max_pollfd = 0; } libc_hidden_nolink (svc_exit, GLIBC_2_0) void svc_run (void) { int i; struct pollfd *my_pollfd = NULL; int last_max_pollfd = 0; for (;;) { int max_pollfd = svc_max_pollfd; if (max_pollfd == 0 && svc_pollfd == NULL) break; if (last_max_pollfd != max_pollfd) { struct pollfd *new_pollfd = realloc (my_pollfd, sizeof (struct pollfd) * max_pollfd); if (new_pollfd == NULL) { perror (_("svc_run: - out of memory")); break; } my_pollfd = new_pollfd; last_max_pollfd = max_pollfd; } for (i = 0; i < max_pollfd; ++i) { my_pollfd[i].fd = svc_pollfd[i].fd; my_pollfd[i].events = svc_pollfd[i].events; my_pollfd[i].revents = 0; } switch (i = __poll (my_pollfd, max_pollfd, -1)) { case -1: if (errno == EINTR) continue; perror (_("svc_run: - poll failed")); break; case 0: continue; default: svc_getreq_poll (my_pollfd, i); continue; } break; } free (my_pollfd); } #ifdef EXPORT_RPC_SYMBOLS libc_hidden_def (svc_run) #else libc_hidden_nolink (svc_run, GLIBC_2_0) #endif