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
10 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
20 #include <sys/types.h>
23 #include <mono/io-layer/wapi.h>
24 #include <mono/io-layer/wapi-private.h>
25 #include <mono/io-layer/handles-private.h>
26 #include <mono/io-layer/io-private.h>
27 #include <mono/io-layer/io-trace.h>
28 #include <mono/utils/mono-logger-internals.h>
31 convert_from_flags(int flags)
36 #define O_ACCMODE (O_RDONLY|O_WRONLY|O_RDWR)
39 if((flags & O_ACCMODE) == O_RDONLY) {
40 fileaccess=GENERIC_READ;
41 } else if ((flags & O_ACCMODE) == O_WRONLY) {
42 fileaccess=GENERIC_WRITE;
43 } else if ((flags & O_ACCMODE) == O_RDWR) {
44 fileaccess=GENERIC_READ|GENERIC_WRITE;
46 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Can't figure out flags 0x%x", __func__, flags);
49 /* Maybe sort out create mode too */
55 gpointer _wapi_stdhandle_create (int fd, const gchar *name)
57 struct _WapiHandle_file file_handle = {0};
61 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: creating standard handle type %s, fd %d", __func__,
64 #if !defined(__native_client__)
65 /* Check if fd is valid */
67 flags=fcntl(fd, F_GETFL);
68 } while (flags == -1 && errno == EINTR);
71 /* Invalid fd. Not really much point checking for EBADF
74 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: fcntl error on fd %d: %s", __func__, fd,
77 SetLastError (_wapi_get_win32_file_error (errno));
78 return(INVALID_HANDLE_VALUE);
80 file_handle.fileaccess=convert_from_flags(flags);
83 * fcntl will return -1 in nacl, as there is no real file system API.
84 * Yet, standard streams are available.
86 file_handle.fileaccess = (fd == STDIN_FILENO) ? GENERIC_READ : GENERIC_WRITE;
90 file_handle.filename = g_strdup(name);
91 /* some default security attributes might be needed */
92 file_handle.security_attributes=0;
94 /* Apparently input handles can't be written to. (I don't
95 * know if output or error handles can't be read from.)
98 file_handle.fileaccess &= ~GENERIC_WRITE;
101 file_handle.sharemode=0;
104 handle = _wapi_handle_new_fd (WAPI_HANDLE_CONSOLE, fd, &file_handle);
105 if (handle == _WAPI_HANDLE_INVALID) {
106 g_warning ("%s: error creating file handle", __func__);
107 SetLastError (ERROR_GEN_FAILURE);
108 return(INVALID_HANDLE_VALUE);
111 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: returning handle %p", __func__, handle);