import ports/devel/epoll-shim, ok/comment ian@

This is a small library that implements epoll on top of kqueue. It has
been successfully used on FreeBSD to port libinput, libevdev, Wayland
and more. It may be useful for porting other software that uses epoll
or some other features (e.g. timerfd).

devel/epoll-shim/Makefile

@@ -0,0 +1,20 @@
+# $OpenBSD: Makefile,v 1.1.1.1 2021/02/28 14:40:04 sthen Exp $
+
+COMMENT=	small epoll implementation using kqueue
+
+GH_ACCOUNT=	jiixyj
+GH_PROJECT=	epoll-shim
+GH_TAGNAME=	v0.0.20210213
+
+SHARED_LIBS=	epoll-shim 0.0
+
+CATEGORIES=	devel
+
+# MIT
+PERMIT_PACKAGE=	Yes
+
+WANTLIB=	pthread
+
+MODULES=	devel/cmake
+
+.include <bsd.port.mk>

devel/epoll-shim/distinfo

@@ -0,0 +1,2 @@
+SHA256 (epoll-shim-0.0.20210213.tar.gz) = TrdWKtkNZwe6Z6GjW3CrBo+Ce/lym8GZR8MnP4NjmlA=
+SIZE (epoll-shim-0.0.20210213.tar.gz) = 83657

devel/epoll-shim/patches/patch-src_signalfd_ctx_c

@@ -0,0 +1,20 @@
+$OpenBSD: patch-src_signalfd_ctx_c,v 1.1.1.1 2021/02/28 14:40:04 sthen Exp $
+
+This is filling in the struct; we don't have this struct member (it's
+commented-out with #if 0 in sys/siginfo.h - struct _file / _band).
+
+If our siginfo changes then this should be removed.
+
+Index: src/signalfd_ctx.c
+--- src/signalfd_ctx.c.orig
++++ src/signalfd_ctx.c
+@@ -277,7 +277,9 @@ signalfd_ctx_read_impl(SignalFDCtx *signalfd,
+ 
+ 	signalfd_siginfo->ssi_status = siginfo.si_status;
+ 
++#ifndef __OpenBSD__
+ 	signalfd_siginfo->ssi_band = siginfo.si_band;
++#endif
+ 
+ 	signalfd_siginfo->ssi_int = siginfo.si_value.sival_int;
+ 	signalfd_siginfo->ssi_ptr = (uint64_t)(uintptr_t)

devel/epoll-shim/pkg/DESCR

@@ -0,0 +1,4 @@
+This is a small library that implements epoll on top of kqueue. It has
+been successfully used on FreeBSD to port libinput, libevdev, Wayland
+and more. It may be useful for porting other software that uses epoll
+or some other features (e.g. timerfd).

devel/epoll-shim/pkg/PLIST

@@ -0,0 +1,15 @@
+@comment $OpenBSD: PLIST,v 1.1.1.1 2021/02/28 14:40:04 sthen Exp $
+include/libepoll-shim/
+include/libepoll-shim/sys/
+include/libepoll-shim/sys/epoll.h
+include/libepoll-shim/sys/eventfd.h
+include/libepoll-shim/sys/signalfd.h
+include/libepoll-shim/sys/timerfd.h
+lib/cmake/
+lib/cmake/epoll-shim/
+lib/cmake/epoll-shim/epoll-shim-config.cmake
+lib/cmake/epoll-shim/epoll-shim-targets${MODCMAKE_BUILD_SUFFIX}
+lib/cmake/epoll-shim/epoll-shim-targets.cmake
+@lib lib/libepoll-shim.so.${LIBepoll-shim_VERSION}
+libdata/pkgconfig/
+libdata/pkgconfig/epoll-shim.pc