add epoll and kqueue tests

trykqueue.c

@@ -0,0 +1,29 @@
+#include <sys/types.h>
+#include <sys/event.h>
+#include <sys/time.h>
+
+int main() {
+  int kq=kqueue();
+  struct kevent kev;
+  struct timespec ts;
+  if (kq==-1) return 111;
+  EV_SET(&kev, 0 /* fd */, EVFILT_READ, EV_ADD|EV_ENABLE, 0, 0, 0);
+  ts.tv_sec=0; ts.tv_nsec=0;
+  if (kevent(kq,&kev,1,0,0,&ts)==-1) return 111;
+
+  {
+    struct kevent events[100];
+    int i,n;
+    ts.tv_sec=1; ts.tv_nsec=0;
+    switch (n=kevent(kq,0,0,events,100,&ts)) {
+    case -1: return 111;
+    case 0: puts("no data on fd #0"); break;
+    }
+    for (i=0; i<n; ++i) {
+      printf("ident %d, filter %d, flags %d, fflags %d, data %d\n",
+             events[i].ident,events[i].filter,events[i].flags,
+             events[i].fflags,events[i].data);
+    }
+  }
+  return 0;
+}