Do not check for MSG_WAITFORONE as it is not used anymore.

Reverted to usual recvmmsg/sendmmsg availability check.

1 files changed, 0 insertions, 96 deletions

diff --git a/m4/ax_recvmmsg.m4 b/m4/ax_recvmmsg.m4
deleted file mode 100644
index bc7bfe30f..000000000
--- a/m4/ax_recvmmsg.m4
+++ /dev/null
@@ -1,96 +0,0 @@
-dnl @synopsis AX_MSG_WAITFORONE
-dnl @summary Test if the libc/kernel have working recvmmsg MSG_WAITFORONE implementation
-dnl @category Misc
-dnl
-dnl We need recvmmsg to support MSG_WAITFORONE.  RHEL 6 (and derivates)
-dnl are know for broken implementation
-dnl
-dnl @version 2013-03-12
-dnl @license GPL
-dnl @author Ondřej Surý <ondrej@sury.org> and Marek Vavruša <marek@vavrusa.com>
-
-AC_DEFUN([AX_MSG_WAITFORONE],
-[
-  AC_REQUIRE([AC_PROG_CC])
-
-  AC_LANG_PUSH([C])
-
-  AC_CACHE_CHECK([for recv_mmsg support], [ax_cv_have_msg_waitforone],
-  [
-    AC_RUN_IFELSE(
-    [
-      AC_LANG_PROGRAM(
-      [[
-#ifndef _GNU_SOURCE
-  #define _GNU_SOURCE
-#endif
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <netinet/ip.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-#include <signal.h>
-
-volatile int _intr = 0;
-void sighandle(int s) {
-     _intr = 1;
-}
-      ]],[[
-#ifndef MSG_WAITFORONE
-  return 3; /* Not supported. */
-#else
-  int port = 35353;
-  int fd = socket(AF_INET, SOCK_DGRAM, 0);
-  if (fd < 0) return 1;
-  struct mmsghdr msgs[2];
-  struct iovec iovecs[2];
-  char bufs[2][64];
-  unsigned i = 0;
-  memset(msgs, 0, sizeof(msgs));
-  for (i = 0; i < 2; i++) {
-    iovecs[i].iov_base = bufs[i];
-    iovecs[i].iov_len = 64;
-    msgs[i].msg_hdr.msg_iov = &iovecs[i];
-    msgs[i].msg_hdr.msg_iovlen = 1;
-  }
-
-  struct sockaddr_in sa; /* Bind to socket. */
-  sa.sin_family = AF_INET;
-  sa.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
-  sa.sin_port = htons(port); /* Find free port. */
-  while (bind(fd, (struct sockaddr *)&sa, sizeof(sa)) == -1) {
-  if (errno == EADDRINUSE) sa.sin_port = ++port;
-  else break;
-  }
-
-  int cfd = socket(AF_INET, SOCK_DGRAM, 0); /* Send datagram. */
-  char pkt[32] = { '\xdf' };
-  sendto(cfd, pkt, sizeof(pkt), 0, (struct sockaddr*)&sa, sizeof(sa));
-
-  /* Broken implementation doesn't respect recvmmsg timeout. */
-  struct sigaction aset;
-  memset(&aset, 0, sizeof(struct sigaction));
-  aset.sa_handler = sighandle;
-  sigaction(SIGALRM, &aset, NULL);
-  alarm(1);
-
-  int ret = recvmmsg(fd, msgs, 2, MSG_WAITFORONE, NULL);
-  close(cfd);
-  close(fd);
-  if (ret < 0) { /* Completely failed. */
-    return 2;
-  }
-
-  return _intr; /* OK if not interrupted. */
-#endif
-    ]])],
-  [ax_cv_have_msg_waitforone=yes],
-  [ax_cv_have_msg_waitforone=no],
-  [ax_cv_have_msg_waitforone=no])])
-
-  AC_LANG_POP([C])
-])