Use real system default value of FD_SETSIZE instead of guessing

2 files changed, 6 insertions, 1 deletions

diff --git a/src/microhttpd/Makefile.am b/src/microhttpd/Makefile.am
index ecd949b2..b22560c3 100644
--- a/src/microhttpd/Makefile.am
+++ b/src/microhttpd/Makefile.am
@@ -64,6 +64,7 @@ libmicrohttpd_la_SOURCES = \
   memorypool.c memorypool.h \
   mhd_mono_clock.c mhd_mono_clock.h \
   mhd_limits.h mhd_byteorder.h \
+  sysfdsetsize.c sysfdsetsize.h \
   response.c response.h
 libmicrohttpd_la_CPPFLAGS = \
   $(AM_CPPFLAGS) $(MHD_LIB_CPPFLAGS) \
diff --git a/src/microhttpd/daemon.c b/src/microhttpd/daemon.c
index 1d74825d..14009c92 100644
--- a/src/microhttpd/daemon.c
+++ b/src/microhttpd/daemon.c
@@ -52,6 +52,10 @@
 #include <sys/sendfile.h>
 #endif
 
+#ifndef _MHD_FD_SETSIZE_IS_DEFAULT
+#include "sysfdsetsize.h"
+#endif /* !_MHD_FD_SETSIZE_IS_DEFAULT */
+
 #ifdef _WIN32
 #ifndef WIN32_LEAN_AND_MEAN
 #define WIN32_LEAN_AND_MEAN 1
@@ -677,7 +681,7 @@ MHD_get_fdset (struct MHD_Daemon *daemon,
 {
   return MHD_get_fdset2(daemon, read_fd_set,
       write_fd_set, except_fd_set,
-      max_fd, MHD_SYS_DEFAULT_FD_SETSIZE);
+      max_fd, _MHD_SYS_DEFAULT_FD_SETSIZE);
 }
 
 /**