support/sys-sendfile.c

   1 /*
   2  * <sys/sendfile.h> wrapper functions.
   3  *
   4  * Authors:
   5  *   Jonathan Pryor (jonpryor@vt.edu)
   6  *
   7  * Copyright (C) 2004 Jonathan Pryor
   8  */
   9
  10 #include <sys/types.h>
  11 #include <errno.h>
  12
  13 #include "mph.h"
  14
  15 #ifdef HAVE_SYS_SENDFILE_H
  16 #include <sys/sendfile.h>
  17 #endif /* ndef HAVE_SYS_SENDFILE_H */
  18
  19 G_BEGIN_DECLS
  20
  21 #ifdef HAVE_SENDFILE
  22 mph_ssize_t
  23 Mono_Posix_Syscall_sendfile (int out_fd, int in_fd, mph_off_t *offset, mph_size_t count)
  24 {
  25         off_t _offset;
  26         ssize_t r;
  27         mph_return_if_off_t_overflow (*offset);
  28
  29         _offset = *offset;
  30
  31         r = sendfile (out_fd, in_fd, &_offset, (size_t) count);
  32
  33         *offset = _offset;
  34
  35         return r;
  36 }
  37 #endif /* ndef HAVE_SENDFILE */
  38
  39 G_END_DECLS
  40
  41 /*
  42  * vim: noexpandtab
  43  */