mono/metadata/w32error-unix.c

   1 /**
   2  * \file
   3  */
   4
   5 #include "w32error.h"
   6
   7 #include "utils/mono-lazy-init.h"
   8
   9 static mono_lazy_init_t error_key_once = MONO_LAZY_INIT_STATUS_NOT_INITIALIZED;
  10
  11 static pthread_key_t error_key;
  12
  13 static void
  14 error_key_init (void)
  15 {
  16         gint ret;
  17         ret = pthread_key_create (&error_key, NULL);
  18         g_assert (ret == 0);
  19 }
  20
  21 guint32
  22 mono_w32error_get_last (void)
  23 {
  24         mono_lazy_initialize (&error_key_once, error_key_init);
  25         return GPOINTER_TO_UINT (pthread_getspecific (error_key));
  26 }
  27
  28 void
  29 mono_w32error_set_last (guint32 error)
  30 {
  31         gint ret;
  32         mono_lazy_initialize (&error_key_once, error_key_init);
  33         ret = pthread_setspecific (error_key, GUINT_TO_POINTER (error));
  34         g_assert (ret == 0);
  35 }
  36
  37 guint32
  38 mono_w32error_unix_to_win32 (guint32 error)
  39 {
  40         /* mapping ideas borrowed from wine. they may need some work */
  41
  42         switch (error) {
  43         case EACCES:
  44         case EPERM:
  45         case EROFS: return ERROR_ACCESS_DENIED;
  46         case EAGAIN: return ERROR_SHARING_VIOLATION;
  47         case EBUSY: return ERROR_LOCK_VIOLATION;
  48         case EEXIST: return ERROR_FILE_EXISTS;
  49         case EINVAL:
  50         case ESPIPE: return ERROR_SEEK;
  51         case EISDIR: return ERROR_CANNOT_MAKE;
  52         case ENFILE:
  53         case EMFILE: return ERROR_TOO_MANY_OPEN_FILES;
  54         case ENOENT:
  55         case ENOTDIR: return ERROR_FILE_NOT_FOUND;
  56         case ENOSPC: return ERROR_HANDLE_DISK_FULL;
  57 #if !defined(_AIX) || (defined(_AIX) && defined(_LINUX_SOURCE_COMPAT))
  58         case ENOTEMPTY: return ERROR_DIR_NOT_EMPTY;
  59 #endif
  60         case ENOEXEC: return ERROR_BAD_FORMAT;
  61         case ENAMETOOLONG: return ERROR_FILENAME_EXCED_RANGE;
  62 #ifdef EINPROGRESS
  63         case EINPROGRESS: return ERROR_IO_PENDING;
  64 #endif
  65         case ENOSYS: return ERROR_NOT_SUPPORTED;
  66         case EBADF: return ERROR_INVALID_HANDLE;
  67         case EIO: return ERROR_INVALID_HANDLE;
  68 #ifdef ERESTART
  69         case ERESTART:
  70 #endif
  71         case EINTR: return ERROR_IO_PENDING; /* best match I could find */
  72         case EPIPE: return ERROR_WRITE_FAULT;
  73         case ELOOP: return ERROR_CANT_RESOLVE_FILENAME;
  74 #ifdef ENODEV
  75         case ENODEV: return ERROR_DEV_NOT_EXIST;
  76 #endif
  77 #ifdef ENXIO
  78         case ENXIO: return ERROR_DEV_NOT_EXIST;
  79 #endif
  80 #ifdef ENOTCONN
  81         case ENOTCONN: return ERROR_DEV_NOT_EXIST;
  82 #endif
  83 #ifdef EHOSTDOWN
  84         case EHOSTDOWN: return ERROR_DEV_NOT_EXIST;
  85 #endif
  86 #ifdef ENEEDAUTH
  87         case ENEEDAUTH: return ERROR_ACCESS_DENIED;
  88 #endif
  89
  90         default:
  91                 g_warning ("%s: unknown error (%d) \"%s\"", __FILE__, error, g_strerror (error));
  92                 return ERROR_NOT_SUPPORTED;
  93         }
  94 }