Attachment 165759 Details for Bug 206368 – reproduce

reproduce

kevent-bug-repro.c (text/plain), 1.60 KB, created by taketsuru11 on 2016-01-18 13:52:14 UTC

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Creator: taketsuru11

Created: 2016-01-18 13:52:14 UTC

Size: 1.60 KB

patch

obsolete

>#include <sys/types.h>
>#include <sys/event.h>
>#include <sys/socket.h>
>#include <sys/time.h>
>
>#include <netinet/in.h>
>
>#include <err.h>
>#include <stdio.h>
>#include <strings.h>
>#include <sysexits.h>
>
>int main()
>{
>	int pfd, wfd, rfd;
>	int kq;
>
>	pfd = socket(AF_INET, SOCK_STREAM, 0);
>	if (pfd == -1)
>		err(EX_OSERR, "socket 1");
>
>	struct sockaddr_in addr;
>	bzero(&addr, sizeof(addr));
>	addr.sin_len = sizeof(addr);
>	addr.sin_family = AF_INET;
>	addr.sin_port = htons(8080);
>	addr.sin_addr.s_addr = htonl((127 << 8*3) + 1);
>
>	if (bind(pfd, (struct sockaddr *)&addr, sizeof(addr)) == -1)
>		err(EX_OSERR, "bind");
>
>	if (listen(pfd, 128) == -1)
>		err(EX_OSERR, "listen");
>
>	rfd = socket(AF_INET, SOCK_STREAM, 0);
>	if (rfd == -1)
>		err(EX_OSERR, "socket write");
>
>	if (connect(rfd, (struct sockaddr *)&addr, sizeof(addr)) == -1)
>		err(EX_OSERR, "connect");
>
>	wfd = accept4(pfd, NULL, NULL, 0);
>	if (wfd == -1)
>		err(EX_OSERR, "accept4");
>
>	if (shutdown(rfd, SHUT_WR) == -1)
>		err(EX_OSERR, "shutdown");
>
>	kq = kqueue();
>	if (kq == -1)
>		err(EX_OSERR, "kqueue");
>
>	struct kevent kev;
>	EV_SET(&kev, wfd, EVFILT_WRITE, EV_ADD|EV_DISABLE, 0, 0, 0);
>
>	if (kevent(kq, &kev, 1, NULL, 0, NULL) == -1)
>		err(EX_OSERR, "kevent change 1");
>
>	struct timespec ts;
>	ts.tv_sec = 1;
>	ts.tv_nsec = 0;
>
>	int ne = kevent(kq, NULL, 0, &kev, 1, &ts);
>	if (ne == -1)
>		err(EX_OSERR, "kevent get 1");
>
>	EV_SET(&kev, wfd, EVFILT_WRITE, EV_ENABLE, 0, 0, 0);
>
>	if (kevent(kq, &kev, 1, NULL, 0, NULL) == -1)
>		err(EX_OSERR, "kevent change 2");
>
>	ne = kevent(kq, NULL, 0, &kev, 1, &ts);
>	if (ne == -1)
>		err(EX_OSERR, "kevent get 2");
>
>	if (ne != 1)
>		errx(EX_OSERR, "what?!");
>}

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Attachments on bug 206368: 165759