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      1 /*	$NetBSD: unlocked-io.h,v 1.1.1.1 2016/01/13 03:15:30 christos Exp $	*/
      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 */
     72