Attachment 189131 Details for Bug 224615 – patch to pipepoll.c demonstrating the issue

[patch] patch to pipepoll.c demonstrating the issue

kqueue-new-reader-pollhup-pipepoll.patch (text/plain), 1.21 KB, created by Jan Kokemüller on 2017-12-27 14:16:53 UTC

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Creator: Jan Kokemüller

Created: 2017-12-27 14:16:53 UTC

Size: 1.21 KB

patch

obsolete

>diff --git a/tools/regression/poll/pipepoll.c b/tools/regression/poll/pipepoll.c
>index 5ca064bf6bf3..43bf03659330 100644
>--- a/tools/regression/poll/pipepoll.c
>+++ b/tools/regression/poll/pipepoll.c
>@@ -1,5 +1,6 @@
> /* $FreeBSD$ */
> 
>+#include <sys/event.h>
> #include <sys/poll.h>
> #include <sys/socket.h>
> #include <sys/stat.h>
>@@ -202,6 +203,31 @@ child(int fd, int num)
> 		if ((res = poll(&pfd, 1, 0)) < 0)
> 			err(1, "poll");
> 		report(num++, "6b", POLLHUP, pfd.revents, res, 1);
>+
>+		int kq = kqueue();
>+
>+		struct kevent kev;
>+		EV_SET(&kev, fd2, EVFILT_READ, EV_ADD, 0, 0, 0);
>+		if (kevent(kq, &kev, 1, NULL, 0, NULL) < 0) {
>+			err(1, "kevent");
>+		}
>+
>+		int n;
>+		struct timespec ts = { 0, 0 };
>+		if ((n = kevent(kq, NULL, 0, &kev, 1, &ts)) < 0) {
>+			err(1, "kevent");
>+		}
>+		for (int i = 0; i < n; ++i) {
>+			fprintf(stderr, "got event: %d\n", (int)kev.filter);
>+			fprintf(stderr, " fd: %d\n", (int)kev.ident);
>+			fprintf(stderr, " data: %d\n", (int)kev.data);
>+			fprintf(stderr, " flags: %x\n", (unsigned)kev.flags);
>+			fprintf(stderr, " fflags: %x\n", (unsigned)kev.fflags);
>+		}
>+		if (n == 0) {
>+			fprintf(stderr, "got no events\n");
>+		}
>+
> 		pfd.fd = fd;
> 		if ((res = poll(&pfd, 1, 0)) < 0)
> 			err(1, "poll");

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Attachments on bug 224615: 189130 | 189131 | 213659 | 213662