summaryrefslogtreecommitdiff
path: root/src/err.hpp
blob: 9558a1027c4a09daa1634cee830ac45f5c6da140 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
/*
    Copyright (c) 2007-2011 iMatix Corporation
    Copyright (c) 2007-2011 Other 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>
#include <errno.h>
#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

namespace zmq
{
    const char *errno_to_string (int errno_);
}

#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_);
    void wsa_error_to_errno (); 
}

//  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__);\
                abort ();\
            }\
        }\
    } 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__);\
            abort ();\
        }\
    } 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__);\
            abort ();\
        }\
    } 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__);\
            abort ();\
        }\
    } while (false) 

//  Provides convenient way to check for errno-style errors.
#define errno_assert(x) \
    do {\
        if (unlikely (!(x))) {\
            perror (NULL);\
            fprintf (stderr, "%s (%s:%d)\n", #x, __FILE__, __LINE__);\
            abort ();\
        }\
    } while (false)

//  Provides convenient way to check for POSIX errors.
#define posix_assert(x) \
    do {\
        if (unlikely (x)) {\
            fprintf (stderr, "%s (%s:%d)\n", strerror (x), __FILE__, __LINE__);\
            abort ();\
        }\
    } 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__);\
            abort ();\
        }\
    } 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__);\
            abort ();\
        }\
    } while (false)

#endif