2 * posix.c: Posix-specific support.
5 * Dick Porter (dick@ximian.com)
7 * (C) 2002 Ximian, Inc.
8 * Copyright (c) 2002-2009 Novell, Inc.
9 * Copyright 2011 Xamarin Inc
19 #include <sys/types.h>
22 #include <mono/io-layer/wapi.h>
23 #include <mono/io-layer/wapi-private.h>
24 #include <mono/io-layer/handles-private.h>
25 #include <mono/io-layer/io-private.h>
28 #define DEBUG(...) g_message(__VA_ARGS__)
34 convert_from_flags(int flags
)
39 #define O_ACCMODE (O_RDONLY|O_WRONLY|O_RDWR)
42 if((flags
& O_ACCMODE
) == O_RDONLY
) {
43 fileaccess
=GENERIC_READ
;
44 } else if ((flags
& O_ACCMODE
) == O_WRONLY
) {
45 fileaccess
=GENERIC_WRITE
;
46 } else if ((flags
& O_ACCMODE
) == O_RDWR
) {
47 fileaccess
=GENERIC_READ
|GENERIC_WRITE
;
49 DEBUG("%s: Can't figure out flags 0x%x", __func__
, flags
);
52 /* Maybe sort out create mode too */
58 gpointer
_wapi_stdhandle_create (int fd
, const gchar
*name
)
60 struct _WapiHandle_file file_handle
= {0};
64 DEBUG("%s: creating standard handle type %s, fd %d", __func__
,
67 #if !defined(__native_client__)
68 /* Check if fd is valid */
70 flags
=fcntl(fd
, F_GETFL
);
71 } while (flags
== -1 && errno
== EINTR
);
74 /* Invalid fd. Not really much point checking for EBADF
77 DEBUG("%s: fcntl error on fd %d: %s", __func__
, fd
,
80 SetLastError (_wapi_get_win32_file_error (errno
));
81 return(INVALID_HANDLE_VALUE
);
83 file_handle
.fileaccess
=convert_from_flags(flags
);
86 * fcntl will return -1 in nacl, as there is no real file system API.
87 * Yet, standard streams are available.
89 file_handle
.fileaccess
= (fd
== STDIN_FILENO
) ? GENERIC_READ
: GENERIC_WRITE
;
93 file_handle
.filename
= g_strdup(name
);
94 /* some default security attributes might be needed */
95 file_handle
.security_attributes
=0;
97 /* Apparently input handles can't be written to. (I don't
98 * know if output or error handles can't be read from.)
101 file_handle
.fileaccess
&= ~GENERIC_WRITE
;
104 file_handle
.sharemode
=0;
107 handle
= _wapi_handle_new_fd (WAPI_HANDLE_CONSOLE
, fd
, &file_handle
);
108 if (handle
== _WAPI_HANDLE_INVALID
) {
109 g_warning ("%s: error creating file handle", __func__
);
110 SetLastError (ERROR_GEN_FAILURE
);
111 return(INVALID_HANDLE_VALUE
);
114 DEBUG("%s: returning handle %p", __func__
, handle
);