git.m6w6.name Git - m6w6/libmemcached/blob - m4/setsockopt.m4

   1 dnl ---------------------------------------------------------------------------
   2 dnl Macro: SETSOCKOPT_SANITY
   3 dnl ---------------------------------------------------------------------------
   4 AC_DEFUN([SETSOCKOPT_SANITY],[
   5   AC_CACHE_CHECK([for working SO_SNDTIMEO], [ac_cv_have_so_sndtimeo],
   6   AC_LANG_PUSH([C])
   7   AC_RUN_IFELSE([
   8     AC_LANG_PROGRAM([[
   9 #include <sys/types.h>
  10 #include <sys/socket.h>
  11 #include <time.h>
  12 #include <sys/time.h>
  13 #include <errno.h>
  14    ]],[[
  15      int sock = socket(AF_INET, SOCK_STREAM, 0);
  16      struct timeval waittime;
  17
  18      waittime.tv_sec= 0;
  19      waittime.tv_usec= 500;
  20
  21      if (setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO,
  22                     &waittime, (socklen_t)sizeof(struct timeval)) == -1) {
  23        if (errno == ENOPROTOOPT) {
  24          return 1;
  25        }
  26      }
  27      return 0;
  28    ]])],
  29    [ac_cv_have_so_sndtimeo=yes],
  30    [ac_cv_have_so_sndtimeo=no],
  31    [ac_cv_have_so_sndtimeo=yes])
  32
  33    AS_IF([test "x$ac_cv_have_so_sndtimeo" = "xyes"], [
  34           AC_DEFINE(HAVE_SNDTIMEO, 1, [Define to 1 if you have a working SO_SNDTIMEO])])
  35    AC_LANG_POP
  36    )
  37
  38   AC_CACHE_CHECK([for working SO_RCVTIMEO], [ac_cv_have_so_rcvtimeo],
  39   AC_LANG_PUSH([C])
  40   AC_RUN_IFELSE([
  41     AC_LANG_PROGRAM([[
  42 #include <sys/types.h>
  43 #include <sys/socket.h>
  44 #include <time.h>
  45 #include <sys/time.h>
  46 #include <errno.h>
  47    ]],[[
  48      int sock = socket(AF_INET, SOCK_STREAM, 0);
  49      struct timeval waittime;
  50
  51      waittime.tv_sec= 0;
  52      waittime.tv_usec= 500;
  53
  54      if (setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO,
  55                     &waittime, (socklen_t)sizeof(struct timeval)) == -1) {
  56        if (errno == ENOPROTOOPT) {
  57          return 1;
  58        }
  59      }
  60      return 0;
  61    ]])],
  62    [ac_cv_have_so_rcvtimeo=yes],
  63    [ac_cv_have_so_rcvtimeo=no],
  64    [ac_cv_have_so_rcvtimeo=yes])
  65
  66    AS_IF([test "x$ac_cv_have_so_rcvtimeo" = "xyes"], [
  67           AC_DEFINE(HAVE_RCVTIMEO, 1, [Define to 1 if you have a working SO_RCVTIMEO])])
  68    AC_LANG_POP
  69    )
  70 ])
  71 dnl ---------------------------------------------------------------------------
  72 dnl End Macro: SETSOCKOPT_SANITY
  73 dnl ---------------------------------------------------------------------------