gnu/dist/diffutils/lib/unlocked-io.h

   1 /*      $NetBSD$        */
   2
   3 #ifndef UNLOCKED_IO_H
   4 # define UNLOCKED_IO_H 1
   5
   6 # ifndef USE_UNLOCKED_IO
   7 #  define USE_UNLOCKED_IO 1
   8 # endif
   9
  10 # if USE_UNLOCKED_IO
  11
  12 /* These are wrappers for functions/macros from GNU libc.
  13    The standard I/O functions are thread-safe.  These *_unlocked ones are
  14    more efficient but not thread-safe.  That they're not thread-safe is
  15    fine since all of the applications in this package are single threaded.  */
  16
  17 #  if HAVE_DECL_CLEARERR_UNLOCKED
  18 #   undef clearerr
  19 #   define clearerr(x) clearerr_unlocked (x)
  20 #  endif
  21 #  if HAVE_DECL_FEOF_UNLOCKED
  22 #   undef feof
  23 #   define feof(x) feof_unlocked (x)
  24 #  endif
  25 #  if HAVE_DECL_FERROR_UNLOCKED
  26 #   undef ferror
  27 #   define ferror(x) ferror_unlocked (x)
  28 #  endif
  29 #  if HAVE_DECL_FFLUSH_UNLOCKED
  30 #   undef fflush
  31 #   define fflush(x) fflush_unlocked (x)
  32 #  endif
  33 #  if HAVE_DECL_FGETS_UNLOCKED
  34 #   undef fgets
  35 #   define fgets(x,y,z) fgets_unlocked (x,y,z)
  36 #  endif
  37 #  if HAVE_DECL_FPUTC_UNLOCKED
  38 #   undef fputc
  39 #   define fputc(x,y) fputc_unlocked (x,y)
  40 #  endif
  41 #  if HAVE_DECL_FPUTS_UNLOCKED
  42 #   undef fputs
  43 #   define fputs(x,y) fputs_unlocked (x,y)
  44 #  endif
  45 #  if HAVE_DECL_FREAD_UNLOCKED
  46 #   undef fread
  47 #   define fread(w,x,y,z) fread_unlocked (w,x,y,z)
  48 #  endif
  49 #  if HAVE_DECL_FWRITE_UNLOCKED
  50 #   undef fwrite
  51 #   define fwrite(w,x,y,z) fwrite_unlocked (w,x,y,z)
  52 #  endif
  53 #  if HAVE_DECL_GETC_UNLOCKED
  54 #   undef getc
  55 #   define getc(x) getc_unlocked (x)
  56 #  endif
  57 #  if HAVE_DECL_GETCHAR_UNLOCKED
  58 #   undef getchar
  59 #   define getchar() getchar_unlocked ()
  60 #  endif
  61 #  if HAVE_DECL_PUTC_UNLOCKED
  62 #   undef putc
  63 #   define putc(x,y) putc_unlocked (x,y)
  64 #  endif
  65 #  if HAVE_DECL_PUTCHAR_UNLOCKED
  66 #   undef putchar
  67 #   define putchar(x) putchar_unlocked (x)
  68 #  endif
  69
  70 # endif /* USE_UNLOCKED_IO */
  71 #endif /* UNLOCKED_IO_H */