lib: Substitute poll APIs with epoll APIs in thread management routine

This commit substitutes poll APIs with epoll APIs for better performace. Note that epoll APIs are only available for Linux. For BSD platforms which do not support epoll APIs, poll APIs are still used. Signed-off-by: Kaifei Peng <[email protected]>
FRRouting · Oct 31, 2023 · f8becdb · f8becdb
1 parent e1b2381
commit f8becdb
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Showing 3 changed files with 1,060 additions and 2 deletions.
diff --git a/configure.ac b/configure.ac
@@ -1494,6 +1494,15 @@ AC_SUBST([LIBM])
 AC_CHECK_FUNCS([ppoll], [
   AC_DEFINE([HAVE_PPOLL], [1], [have Linux/BSD ppoll()])
 ])
+AC_CHECK_FUNCS([epoll_wait], [
+  AC_DEFINE([HAVE_EPOLL_WAIT], [1], [have Linux epoll_wait()])
+])
+AC_CHECK_FUNCS([epoll_pwait], [
+  AC_DEFINE([HAVE_EPOLL_PWAIT], [1], [have Linux epoll_pwait()])
+])
+AC_CHECK_FUNCS([epoll_pwait2], [
+  AC_DEFINE([HAVE_EPOLL_PWAIT2], [1], [have Linux epoll_pwait2()])
+])
 AC_CHECK_FUNCS([pollts], [
   AC_DEFINE([HAVE_POLLTS], [1], [have NetBSD pollts()])
 ])