On Wed, Feb 16, 2022 at 10:51:28AM +0100, Thomas Klausner wrote: > Hi! > > NetBSD recently got an eventfd interface which is supposedly > compatible to Linux's. > > net/zeromq uses eventfds and has lots of assertions in its test code, > and I looked at one of them. It basically makes a new eventfd and then > tries to set it to non-blocking mode using fcntl. This fails with > 'operation not supported'. > > I see that eventfd() is documented as having a flag for non-blocking > mode when creating the eventfd, but since zeromq is doing this using > fnctl(), I guess this is supposed to work that way as well. > > Is this a bug in NetBSD's eventfd implementation or is zeromq wrong > here? > Thomas
For context, if I disable the use of eventfd in zeromq, the test failures go down from eventfd: # TOTAL: 104 # PASS: 11 # FAIL: 81 no eventfd: # TOTAL: 104 # PASS: 89 # FAIL: 3 Thomas
Index: Makefile =================================================================== RCS file: /cvsroot/pkgsrc/net/zeromq/Makefile,v retrieving revision 1.33 diff -u -r1.33 Makefile --- Makefile 2 Jan 2022 00:17:33 -0000 1.33 +++ Makefile 16 Feb 2022 10:12:21 -0000 @@ -20,6 +20,7 @@ TEST_TARGET= check BUILDLINK_TRANSFORM+= rm:-Werror +CONFIGURE_ARGS+= ac_cv_header_sys_eventfd_h=no .include "../../mk/bsd.prefs.mk"
