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Diffstat (limited to 'src/err.hpp')
| -rw-r--r-- | src/err.hpp | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/src/err.hpp b/src/err.hpp new file mode 100644 index 0000000..7076f11 --- /dev/null +++ b/src/err.hpp @@ -0,0 +1,158 @@ +/* + Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file + + This file is part of 0MQ. + + 0MQ is free software; you can redistribute it and/or modify it under + the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + 0MQ is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#ifndef __ZMQ_ERR_HPP_INCLUDED__ +#define __ZMQ_ERR_HPP_INCLUDED__ + +// 0MQ-specific error codes are defined in zmq.h +#include "../include/zmq.h" + +#include <assert.h> +#if defined _WIN32_WCE +#include "..\builds\msvc\errno.hpp" +#else +#include <errno.h> +#endif +#include <string.h> +#include <stdlib.h> +#include <stdio.h> + +#include "platform.hpp" +#include "likely.hpp" + +#ifdef ZMQ_HAVE_WINDOWS +#include "windows.hpp" +#else +#include <netdb.h> +#endif + +// EPROTO is not used by OpenBSD and maybe other platforms. +#ifndef EPROTO +#define EPROTO 0 +#endif + +namespace zmq +{ + const char *errno_to_string (int errno_); + void zmq_abort (const char *errmsg_); +} + +#ifdef ZMQ_HAVE_WINDOWS + +namespace zmq +{ + const char *wsa_error (); + const char *wsa_error_no (int no_); + void win_error (char *buffer_, size_t buffer_size_); + int wsa_error_to_errno (int errcode); +} + +// Provides convenient way to check WSA-style errors on Windows. +#define wsa_assert(x) \ + do {\ + if (unlikely (!(x))) {\ + const char *errstr = zmq::wsa_error ();\ + if (errstr != NULL) {\ + fprintf (stderr, "Assertion failed: %s (%s:%d)\n", errstr, \ + __FILE__, __LINE__);\ + zmq::zmq_abort (errstr);\ + }\ + }\ + } while (false) + +// Provides convenient way to assert on WSA-style errors on Windows. +#define wsa_assert_no(no) \ + do {\ + const char *errstr = zmq::wsa_error_no (no);\ + if (errstr != NULL) {\ + fprintf (stderr, "Assertion failed: %s (%s:%d)\n", errstr, \ + __FILE__, __LINE__);\ + zmq::zmq_abort (errstr);\ + }\ + } while (false) + +// Provides convenient way to check GetLastError-style errors on Windows. +#define win_assert(x) \ + do {\ + if (unlikely (!(x))) {\ + char errstr [256];\ + zmq::win_error (errstr, 256);\ + fprintf (stderr, "Assertion failed: %s (%s:%d)\n", errstr, \ + __FILE__, __LINE__);\ + zmq::zmq_abort (errstr);\ + }\ + } while (false) + +#endif + +// This macro works in exactly the same way as the normal assert. It is used +// in its stead because standard assert on Win32 in broken - it prints nothing +// when used within the scope of JNI library. +#define zmq_assert(x) \ + do {\ + if (unlikely (!(x))) {\ + fprintf (stderr, "Assertion failed: %s (%s:%d)\n", #x, \ + __FILE__, __LINE__);\ + zmq::zmq_abort (#x);\ + }\ + } while (false) + +// Provides convenient way to check for errno-style errors. +#define errno_assert(x) \ + do {\ + if (unlikely (!(x))) {\ + const char *errstr = strerror (errno);\ + fprintf (stderr, "%s (%s:%d)\n", errstr, __FILE__, __LINE__);\ + zmq::zmq_abort (errstr);\ + }\ + } while (false) + +// Provides convenient way to check for POSIX errors. +#define posix_assert(x) \ + do {\ + if (unlikely (x)) {\ + const char *errstr = strerror (x);\ + fprintf (stderr, "%s (%s:%d)\n", errstr, __FILE__, __LINE__);\ + zmq::zmq_abort (errstr);\ + }\ + } while (false) + +// Provides convenient way to check for errors from getaddrinfo. +#define gai_assert(x) \ + do {\ + if (unlikely (x)) {\ + const char *errstr = gai_strerror (x);\ + fprintf (stderr, "%s (%s:%d)\n", errstr, __FILE__, __LINE__);\ + zmq::zmq_abort (errstr);\ + }\ + } while (false) + +// Provides convenient way to check whether memory allocation have succeeded. +#define alloc_assert(x) \ + do {\ + if (unlikely (!x)) {\ + fprintf (stderr, "FATAL ERROR: OUT OF MEMORY (%s:%d)\n",\ + __FILE__, __LINE__);\ + zmq::zmq_abort ("FATAL ERROR: OUT OF MEMORY");\ + }\ + } while (false) + +#endif + + |