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Cider Isn't Darwin Emulation, Really
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C
1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162/* * Copyright (c) 2005 Apple Computer, Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * 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. * * @APPLE_APACHE_LICENSE_HEADER_END@ */#include <sys/types.h>#include <sys/stat.h>#include <sys/event.h>#include <sys/time.h>#include <sys/param.h>#include <stdlib.h>#include <stdio.h>#include <unistd.h>#include <errno.h>#include <string.h>
int main(int argc, char *argv[]){ int kq = kqueue(); struct kevent kev; struct stat sb;
if (argc != 2) { fprintf(stderr, "usage: %s <object on mount point>\n", argv[0]); exit(EXIT_FAILURE); }
EV_SET(&kev, 0, EVFILT_FS, EV_ADD, 0, 0, 0);
if (kevent(kq, &kev, 1, NULL, 0, NULL) == -1) { fprintf(stderr, "adding EVFILT_FS to kqueue failed: %s\n", strerror(errno)); exit(EXIT_FAILURE); }
if (stat(argv[1], &sb) == 0) { exit(EXIT_SUCCESS); }
for (;;) { kevent(kq, NULL, 0, &kev, 1, NULL); if (stat(argv[1], &sb) == 0) { break; } }
exit(EXIT_SUCCESS);}