b612edb0d7
to the build because I still need to look into those build issues... git-svn-id: file:///srv/svn/repos/haiku/trunk/current@1812 a95241bf-73f2-0310-859d-f6bbb57e9c96
49 lines
1004 B
C
49 lines
1004 B
C
/* tests basic select() and poll() functionality */
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/*
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** Copyright 2002, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
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** Distributed under the terms of the OpenBeOS License.
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*/
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#include <sys/select.h>
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#include <poll.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <fcntl.h>
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#define FILE_NAME "/boot"
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int
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main(int argc, char **argv)
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{
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fd_set readSet;
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struct pollfd pollfd;
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int count;
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int file = open(FILE_NAME, O_RDONLY);
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if (file < 0) {
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fprintf(stderr, "Could not open \"%s\": %s\n", FILE_NAME, strerror(file));
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return -1;
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}
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FD_ZERO(&readSet);
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FD_SET(file, &readSet);
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puts("selecting...");
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count = select(file + 1, &readSet, NULL, NULL, NULL);
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printf("\tselect returned: %d (read set = %ld)\n", count, FD_ISSET(file, &readSet));
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pollfd.fd = file;
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pollfd.events = POLLOUT | POLLERR;
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puts("polling...");
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count = poll(&pollfd, 1, -1);
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printf("\tpoll returned: %d (revents = 0x%x)\n", count, pollfd.revents);
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close(file);
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return 0;
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}
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