libuv/src/win/error.c
2011-08-31 04:19:16 +02:00

151 lines
5.1 KiB
C

/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include <assert.h>
#include <errno.h>
#include <malloc.h>
#include <stdio.h>
#include <string.h>
#include "uv.h"
#include "../uv-common.h"
#include "internal.h"
const uv_err_t uv_ok_ = { UV_OK, ERROR_SUCCESS };
/*
* Display an error message and abort the event loop.
*/
void uv_fatal_error(const int errorno, const char* syscall) {
char* buf = NULL;
const char* errmsg;
FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS, NULL, errorno,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPSTR)&buf, 0, NULL);
if (buf) {
errmsg = buf;
} else {
errmsg = "Unknown error";
}
/* FormatMessage messages include a newline character already, */
/* so don't add another. */
if (syscall) {
fprintf(stderr, "%s: (%d) %s", syscall, errorno, errmsg);
} else {
fprintf(stderr, "(%d) %s", errorno, errmsg);
}
if (buf) {
LocalFree(buf);
}
*((char*)NULL) = 0xff; /* Force debug break */
abort();
}
uv_err_t uv_last_error(uv_loop_t* loop) {
return loop->last_error;
}
/* TODO: thread safety */
static char* last_err_str_ = NULL;
char* uv_strerror(uv_err_t err) {
if (last_err_str_ != NULL) {
LocalFree(last_err_str_);
}
FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS, NULL, err.sys_errno_,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPSTR) &last_err_str_, 0,
NULL);
if (last_err_str_) {
return last_err_str_;
} else {
return "Unknown error";
}
}
uv_err_code uv_translate_sys_error(int sys_errno) {
switch (sys_errno) {
case ERROR_SUCCESS: return UV_OK;
case ERROR_NOACCESS: return UV_EACCESS;
case WSAEACCES: return UV_EACCESS;
case ERROR_ADDRESS_ALREADY_ASSOCIATED: return UV_EADDRINUSE;
case WSAEADDRINUSE: return UV_EADDRINUSE;
case WSAEADDRNOTAVAIL: return UV_EADDRNOTAVAIL;
case WSAEAFNOSUPPORT: return UV_EAFNOSUPPORT;
case WSAEWOULDBLOCK: return UV_EAGAIN;
case WSAEALREADY: return UV_EALREADY;
case ERROR_CONNECTION_REFUSED: return UV_ECONNREFUSED;
case WSAECONNREFUSED: return UV_ECONNREFUSED;
case WSAEFAULT: return UV_EFAULT;
case ERROR_HOST_UNREACHABLE: return UV_EHOSTUNREACH;
case WSAEHOSTUNREACH: return UV_EHOSTUNREACH;
case ERROR_INVALID_DATA: return UV_EINVAL;
case WSAEINVAL: return UV_EINVAL;
case ERROR_TOO_MANY_OPEN_FILES: return UV_EMFILE;
case WSAEMFILE: return UV_EMFILE;
case WSAEMSGSIZE: return UV_EMSGSIZE;
case ERROR_NETWORK_UNREACHABLE: return UV_ENETUNREACH;
case WSAENETUNREACH: return UV_ENETUNREACH;
case ERROR_OUTOFMEMORY: return UV_ENOMEM;
case ERROR_NOT_SUPPORTED: return UV_ENOTSUP;
case ERROR_INSUFFICIENT_BUFFER: return UV_EINVAL;
case ERROR_INVALID_FLAGS: return UV_EBADF;
case ERROR_INVALID_PARAMETER: return UV_EINVAL;
case ERROR_NO_UNICODE_TRANSLATION: return UV_ECHARSET;
case ERROR_BROKEN_PIPE: return UV_EOF;
case ERROR_PIPE_BUSY: return UV_EBUSY;
case ERROR_SEM_TIMEOUT: return UV_ETIMEDOUT;
default: return UV_UNKNOWN;
}
}
uv_err_t uv_new_sys_error(int sys_errno) {
uv_err_t e;
e.code = uv_translate_sys_error(sys_errno);
e.sys_errno_ = sys_errno;
return e;
}
void uv_set_sys_error(uv_loop_t* loop, int sys_errno) {
loop->last_error.code = uv_translate_sys_error(sys_errno);
loop->last_error.sys_errno_ = sys_errno;
}
void uv_set_error(uv_loop_t* loop, uv_err_code code, int sys_errno) {
loop->last_error.code = code;
loop->last_error.sys_errno_ = sys_errno;
}