Move inclusion of select() and poll() headers to a single place

Signed-off-by: Gabriele Svelto <gabriele.svelto@gmail.com>

6 files changed, 29 insertions, 112 deletions

diff --git a/src/pgm_socket.cpp b/src/pgm_socket.cpp
index 7726259..64d337d 100644
--- a/src/pgm_socket.cpp
+++ b/src/pgm_socket.cpp
@@ -30,14 +30,6 @@
 #   if HAVE_SYS_TYPES
 #       include <sys/types.h>
 #   endif
-#   if HAVE_SYS_SELECT_H
-#       include <sys/select.h>
-#   endif
-#   if HAVE_POLL_H
-#       include <poll.h>
-#   elif HAVE_SYS_POLL_H
-#       include <sys/poll.h>
-#   endif
 #endif
 
 #include <stdlib.h>
diff --git a/src/poll.hpp b/src/poll.hpp
index 879f4ee..2dd67f4 100644
--- a/src/poll.hpp
+++ b/src/poll.hpp
@@ -28,20 +28,6 @@
 
 #include <stddef.h>
 
-#if HAVE_SYS_TYPES
-#   include <sys/types.h>
-#endif
-
-#if HAVE_SYS_SELECT_H
-#   include <sys/select.h>
-#endif
-
-#if HAVE_POLL_H
-#   include <poll.h>
-#elif HAVE_SYS_POLL_H
-#   include <sys/poll.h>
-#endif
-
 #include <vector>
 
 #include "fd.hpp"
diff --git a/src/polling.hpp b/src/polling.hpp
index c0b2423..1854705 100644
--- a/src/polling.hpp
+++ b/src/polling.hpp
@@ -65,4 +65,33 @@
 #error No polling mechanism available!
 #endif
 
+//  Conditionally include header files that might be required to use the poll()
+//  or select() functions
+
+#if defined XS_HAVE_WINDOWS // Windows-specific header files
+#   include "windows.h"
+#   include "winsock2.h"
+#else // Header files for Unix-like operating systems
+#   if HAVE_SYS_TYPES
+#       include <sys/types.h>
+#   endif
+#   if HAVE_SYS_TIME_H
+#       include <sys/time.h>
+#   endif
+#   if HAVE_TIME_H
+#       include <time.h>
+#   endif
+#   if HAVE_UNISTD_H
+#       include <unistd.h>
+#   endif
+#   if HAVE_SYS_SELECT_H
+#       include <sys/select.h>
+#   endif
+#   if HAVE_POLL_H
+#       include <poll.h>
+#   elif HAVE_SYS_POLL_H
+#       include <sys/poll.h>
+#   endif
 #endif
+
+#endif // __XS_POLLING_HPP_INCLUDED__
diff --git a/src/select.hpp b/src/select.hpp
index 23ca4d7..e46bd03 100644
--- a/src/select.hpp
+++ b/src/select.hpp
@@ -31,26 +31,6 @@
 #include <stddef.h>
 #include <vector>
 
-#if defined XS_HAVE_WINDOWS
-#   include "winsock2.h"
-#else
-#   if HAVE_SYS_TYPES_H
-#       include <sys/types.h>
-#   endif
-#   if HAVE_SYS_TIME_H
-#       include <sys/time.h>
-#   endif
-#   if HAVE_TIME_H
-#       include <time.h>
-#   endif
-#   if HAVE_UNISTD_H
-#       include <unistd.h>
-#   endif
-#   if HAVE_SYS_SELECT_H
-#       include <sys/select.h>
-#   endif
-#endif
-
 #include "fd.hpp"
 #include "thread.hpp"
 #include "io_thread.hpp"
diff --git a/src/signaler.hpp b/src/signaler.hpp
index b94858f..ccb825b 100644
--- a/src/signaler.hpp
+++ b/src/signaler.hpp
@@ -24,44 +24,6 @@
 #include "fd.hpp"
 #include "polling.hpp"
 
-//  On AIX, poll.h has to be included before xs.h to get consistent
-//  definition of pollfd structure (AIX uses 'reqevents' and 'retnevents'
-//  instead of 'events' and 'revents' and defines macros to map from POSIX-y
-//  names to AIX-specific names).
-#if defined XS_USE_SYNC_POLL
-#   if HAVE_SYS_TYPES
-#       include <sys/types.h>
-#   endif
-#   if HAVE_SYS_SELECT_H
-#       include <sys/select.h>
-#   endif
-#   if HAVE_POLL_H
-#       include <poll.h>
-#   elif HAVE_SYS_POLL_H
-#       include <sys/poll.h>
-#   endif
-#elif defined XS_USE_SYNC_SELECT
-#   if defined XS_HAVE_WINDOWS
-#       include "windows.hpp"
-#   else
-#       if HAVE_SYS_TYPES_H
-#           include <sys/types.h>
-#       endif
-#       if HAVE_SYS_TIME_H
-#           include <sys/time.h>
-#       endif
-#       if HAVE_TIME_H
-#           include <time.h>
-#       endif
-#       if HAVE_UNISTD_H
-#           include <unistd.h>
-#       endif
-#       if HAVE_SYS_SELECT_H
-#           include <sys/select.h>
-#       endif
-#   endif
-#endif
-
 namespace xs
 {
 
diff --git a/src/upoll.cpp b/src/upoll.cpp
index 4d61b77..5a6bffd 100644
--- a/src/upoll.cpp
+++ b/src/upoll.cpp
@@ -28,38 +28,6 @@
 #include "platform.hpp"
 #include "polling.hpp"
 
-//  On AIX platform, poll.h has to be included first to get consistent
-//  definition of pollfd structure (AIX uses 'reqevents' and 'retnevents'
-//  instead of 'events' and 'revents' and defines macros to map from POSIX-y
-//  names to AIX-specific names).
-#if defined XS_USE_SYNC_POLL
-#   if HAVE_SYS_TYPES
-#       include <sys/types.h>
-#   endif
-#   if HAVE_SYS_SELECT_H
-#       include <sys/select.h>
-#   endif
-#   if HAVE_POLL_H
-#       include <poll.h>
-#   elif HAVE_SYS_POLL_H
-#       include <sys/poll.h>
-#   endif
-#endif
-
-#if defined XS_HAVE_WINDOWS
-#   include "windows.hpp"
-#else
-#   if HAVE_SYS_TIME_H
-#       include <sys/time.h>
-#   endif
-#   if HAVE_TIME_H
-#       include <time.h>
-#   endif
-#   if HAVE_UNISTD_H
-#      include <unistd.h>
-#   endif
-#endif
-
 int xs::upoll (xs_pollitem_t *items_, int nitems_, int timeout_)
 {
 #if defined XS_USE_SYNC_POLL