ext/kgio/kgio.h

   1 #ifndef KGIO_H
   2 #define KGIO_H
   3
   4 #include <ruby.h>
   5 #ifdef HAVE_RUBY_IO_H
   6 #  include <ruby/io.h>
   7 #else
   8 #  include <rubyio.h>
   9 #endif
  10 #include <errno.h>
  11 #include <sys/types.h>
  12 #include <sys/socket.h>
  13 #include <sys/un.h>
  14 #include <netinet/in.h>
  15 #include <fcntl.h>
  16 #include <unistd.h>
  17 #include <arpa/inet.h>
  18 #include <assert.h>
  19 #include <netdb.h>
  20
  21 #include "ancient_ruby.h"
  22
  23 struct io_args {
  24         VALUE io;
  25         VALUE buf;
  26         char *ptr;
  27         long len;
  28         int fd;
  29 };
  30
  31 void init_kgio_wait(void);
  32 void init_kgio_read_write(void);
  33 void init_kgio_accept(void);
  34 void init_kgio_connect(void);
  35 void init_kgio_autopush(void);
  36 void init_kgio_poll(void);
  37 void init_kgio_tryopen(void);
  38
  39 void kgio_autopush_accept(VALUE, VALUE);
  40 void kgio_autopush_recv(VALUE);
  41 void kgio_autopush_send(VALUE);
  42
  43 VALUE kgio_call_wait_writable(VALUE io);
  44 VALUE kgio_call_wait_readable(VALUE io);
  45 #if defined(HAVE_RB_THREAD_BLOCKING_REGION) && defined(HAVE_POLL)
  46 #  define USE_KGIO_POLL
  47 #endif /* USE_KGIO_POLL */
  48
  49 #ifndef HAVE_RB_UPDATE_MAX_FD
  50 #  define rb_update_max_fd(fd) for (;0;)
  51 #endif
  52
  53 /*
  54  * 2012/12/13 - Linux 3.7 was released on 2012/12/10 with TFO.
  55  * Headers distributed with glibc will take some time to catch up and
  56  * be officially released.  Most GNU/Linux distros will take a few months
  57  * to a year longer. "Enterprise" distros will probably take 5-7 years.
  58  * So keep these until 2017 at least...
  59  */
  60 #ifdef __linux__
  61 #  ifndef MSG_FASTOPEN
  62 #    define MSG_FASTOPEN        0x20000000 /* for clients */
  63 #  endif
  64 #  ifndef TCP_FASTOPEN
  65 #    define TCP_FASTOPEN        23 /* for listeners */
  66 #  endif
  67    /* we _may_ have TFO support */
  68 #  define KGIO_TFO_MAYBE (1)
  69 #else /* rely entirely on standard system headers */
  70 #  define KGIO_TFO_MAYBE (0)
  71 #endif
  72
  73 extern unsigned kgio_tfo;
  74
  75 #endif /* KGIO_H */