mdw@git.distorted.org.uk Git - termux-packages/blob - packages/ldc/ldc-phobos.patch.beforehostbuild

   1 diff --git a/std/stdio.d b/std/stdio.d
   2 index 0c315026..8b1860d0 100644
   3 --- a/std/stdio.d
   4 +++ b/runtime/phobos/std/stdio.d
   5 @@ -310,6 +310,45 @@ else version (GENERIC_IO)
   6          void funlockfile(FILE*);
   7      }
   8
   9 +    version(CRuntime_Bionic)
  10 +    {
  11 +        import core.stdc.wchar_ : mbstate_t;
  12 +        import core.sys.posix.sys.types : pthread_mutex_t;
  13 +
  14 +        extern(C) struct wchar_io_data
  15 +        {
  16 +            mbstate_t  wcio_mbstate_in;
  17 +            mbstate_t  wcio_mbstate_out;
  18 +            wchar_t[1] wcio_ungetwc_buf;
  19 +            size_t     wcio_ungetwc_inbuf;
  20 +            int        wcio_mode;
  21 +        }
  22 +
  23 +        extern(C) struct __sfileext
  24 +        {
  25 +            __sbuf          _ub;
  26 +            wchar_io_data   _wcio;
  27 +            pthread_mutex_t _lock;
  28 +        }
  29 +
  30 +        void bionic_lock(FILE* foo)
  31 +        {
  32 +            if( foo == stdout._p.handle || foo == stdin._p.handle || foo == stderr._p.handle)
  33 +            {
  34 +                auto ext = cast(__sfileext*) foo._ext._base;
  35 +                if (ext._lock.value == 0)
  36 +                {
  37 +                    // A bionic regression in Android 5.0 leaves
  38 +                    // the mutex for stdout/err/in uninitialized,
  39 +                    // so check for that and initialize it.
  40 +                    printf("lock is zero, initializing...\n");
  41 +                    ext._lock.value = 0x4000;
  42 +                }
  43 +            }
  44 +            flockfile(foo);
  45 +        }
  46 +    }
  47 +
  48      int fputc_unlocked(int c, _iobuf* fp) { return fputc(c, cast(shared) fp); }
  49      int fputwc_unlocked(wchar_t c, _iobuf* fp)
  50      {
  51 @@ -328,7 +367,10 @@ else version (GENERIC_IO)
  52      alias FGETC = fgetc_unlocked;
  53      alias FGETWC = fgetwc_unlocked;
  54
  55 -    alias FLOCK = flockfile;
  56 +    version(CRuntime_Bionic)
  57 +        alias FLOCK = bionic_lock;
  58 +    else
  59 +        alias FLOCK = flockfile;
  60      alias FUNLOCK = funlockfile;
  61  }
  62  else