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Viewing changes to plugin/pbms/src/cslib/CSGlobal.h

  • Committer: Stewart Smith
  • Date: 2008-11-21 16:06:07 UTC
  • mto: This revision was merged to the branch mainline in revision 593.
  • Revision ID: stewart@flamingspork.com-20081121160607-n6gdlt013spuo54r
remove mysql_frm_type
and fix engines to return correct value from delete_table when table doesn't exist.
(it should be ENOENT).

Also fix up some tests that manipulated frm files by hand. These tests are no longer valid and will need to be rewritten in the not too distant future.

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plugin/pbms/src/cslib/CSGlobal.h
1
 
/* Copyright (c) 2008 PrimeBase Technologies GmbH, Germany
2
 
 *
3
 
 * PrimeBase Media Stream for MySQL
4
 
 *
5
 
 * This program is free software; you can redistribute it and/or modify
6
 
 * it under the terms of the GNU General Public License as published by
7
 
 * the Free Software Foundation; either version 2 of the License, or
8
 
 * (at your option) any later version.
9
 
 *
10
 
 * This program is distributed in the hope that it will be useful,
11
 
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12
 
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13
 
 * GNU General Public License for more details.
14
 
 *
15
 
 * You should have received a copy of the GNU General Public License
16
 
 * along with this program; if not, write to the Free Software
17
 
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18
 
 *
19
 
 * Original author: Paul McCullagh (H&G2JCtL)
20
 
 * Continued development: Barry Leslie
21
 
 *
22
 
 * 2007-05-20
23
 
 *
24
 
 * CORE SYSTEM:
25
 
 * The definitions are used by all code, and is NOT required
26
 
 * by any header file!
27
 
 *
28
 
 */
29
 
 
30
 
#ifndef __CSGLOBAL_H__
31
 
#define __CSGLOBAL_H__
32
 
 
33
 
#include "CSDefs.h"
34
 
#include "CSThread.h"
35
 
 
36
 
/* Those compilers that support the function
37
 
 * macro (in particular the "pretty" function
38
 
 * macro must be defined here.
39
 
 */
40
 
#ifdef OS_WINDOWS
41
 
#define __FUNC__                                __FUNCTION__
42
 
#elif defined(OS_SOLARIS)
43
 
#define __FUNC__                                "__func__"
44
 
#else
45
 
#define __FUNC__                                __PRETTY_FUNCTION__
46
 
#endif
47
 
 
48
 
 
49
 
/* This is the call context: */
50
 
#define CS_CONTEXT                      __FUNC__, __FILE__, __LINE__
51
 
 
52
 
#ifdef DEBUG
53
 
int cs_assert(const char *func, const char *file, int line, const char *message);
54
 
int cs_hope(const char *func, const char *file, int line, const char *message);
55
 
 
56
 
#define ASSERT(x)                       ((x) ? 1 : cs_assert(CS_CONTEXT, #x))
57
 
#define HOPE(x)                         ((x) ? 1 : cs_hope(CS_CONTEXT, #x))
58
 
#else
59
 
#define ASSERT(x)
60
 
#define ASSERT(x)
61
 
#endif
62
 
 
63
 
#define new_(v, t)                      do { v = new t; if (!v) CSException::throwOSError(CS_CONTEXT, ENOMEM); } while (0)
64
 
 
65
 
/*
66
 
 * -----------------------------------------------------------------------
67
 
 * Call stack
68
 
 */
69
 
 
70
 
/*
71
 
 * This macro must be placed at the start of every function.
72
 
 * It records the current context so that we can
73
 
 * dump a type of stack trace later if necessary.
74
 
 *
75
 
 * It also sets up the current thread pointer 'self'.
76
 
 */
77
 
#define inner_()                        int                     cs_frame = self->callTop++; \
78
 
                                                        do { \
79
 
                                                                if (cs_frame< CS_CALL_STACK_SIZE) { \
80
 
                                                                        self->callStack[cs_frame].cs_func = __FUNC__; \
81
 
                                                                        self->callStack[cs_frame].cs_file = __FILE__; \
82
 
                                                                        self->callStack[cs_frame].cs_line = __LINE__; \
83
 
                                                                } \
84
 
                                                        } while (0)
85
 
 
86
 
#define outer_()                        self->callTop = cs_frame;
87
 
 
88
 
#define enter_()                        CSThread        *self = CSThread::getSelf(); \
89
 
                                                        inner_()
90
 
 
91
 
/*
92
 
 * On exit to a function, either exit_() or
93
 
 * return_() must be called.
94
 
 */
95
 
#define exit_()                         do { \
96
 
                                                                outer_(); \
97
 
                                                                return; \
98
 
                                                        } while (0)
99
 
                                        
100
 
 
101
 
#define return_(x)                      do { \
102
 
                                                                outer_(); \
103
 
                                                                return(x); \
104
 
                                                        } while (0)
105
 
 
106
 
 
107
 
/*
108
 
 * -----------------------------------------------------------------------
109
 
 * Throwing and catching (the jump stack)
110
 
 */
111
 
 
112
 
/*
113
 
 * Quote from the C99 spec on setjmp:
114
 
 * All accessible objects have values, and all other components of the abstract 
115
 
 * machine have state, as of the time the longjmp function was called, except that 
116
 
 * the values of objects of automatic storage duration that are local to the function 
117
 
 * containing the invocation of the corresponding setjmp macro that do not have 
118
 
 * volatile-qualified type and have been changed between the setjmp invocation and 
119
 
 * longjmp call are indeterminate. 
120
 
 *
121
 
 * GCC will not put variables into registers for which the address gets taken do use
122
 
 * CLOBBER_PROTECT() to protect variables from being clobbered.
123
 
 * This came from Jens Thoms Toerring. Thanks!
124
 
 */
125
 
#define CLOBBER_PROTECT(a) do { if ((void *)&(a) == (void*) 1) (a) = (a);} while(0)
126
 
 
127
 
int prof_setjmp(void);
128
 
 
129
 
#define TX_CHK_JMP()            if ((self)->jumpDepth < 0 || (self)->jumpDepth >= CS_JUMP_STACK_SIZE) CSException::throwCoreError(__FUNC__, __FILE__, __LINE__, CS_ERR_JUMP_OVERFLOW)
130
 
#ifdef PROFILE
131
 
#define profile_setjmp          prof_setjmp()
132
 
#else
133
 
#define profile_setjmp                  
134
 
#endif
135
 
 
136
 
#define throw_()                        (self)->throwException()
137
 
#define try_(n)                         int throw_##n; throw_##n = 0; TX_CHK_JMP(); \
138
 
                                                        (self)->jumpEnv[(self)->jumpDepth].jb_res_top = (self)->relTop; \
139
 
                                                        (self)->jumpEnv[(self)->jumpDepth].jb_call_top = (self)->callTop; \
140
 
                                                        (self)->jumpDepth++; profile_setjmp; \
141
 
                                                        if (setjmp((self)->jumpEnv[(self)->jumpDepth-1].jb_buffer)) goto catch_##n;
142
 
#define catch_(n)                       (self)->jumpDepth--; goto cont_##n; catch_##n: (self)->jumpDepth--; self->caught();
143
 
#define cont_(n)                        if (throw_##n) throw_(); cont_##n:
144
 
#define finally_(n)                     (self)->jumpDepth--; goto final_##n; catch_##n: throw_##n = 1; (self)->jumpDepth--; self->caught(); final_##n: {
145
 
#define finally_end_block(n) } if (throw_##n) throw_();
146
 
#define finally_end_block_no_throw(n) }
147
 
 
148
 
/*
149
 
 * -----------------------------------------------------------------------
150
 
 * The release stack
151
 
 */
152
 
 
153
 
#define push_(r)                        do { \
154
 
                                                                if ((self)->relTop >= (self)->relStack + CS_RELEASE_STACK_SIZE) {\
155
 
                                                                        CSException::throwCoreError(CS_CONTEXT, CS_ERR_RELEASE_OVERFLOW); \
156
 
                                                                } \
157
 
                                                                (self)->relTop->r_type = CS_RELEASE_OBJECT; \
158
 
                                                                (self)->relTop->x.r_object = (r); \
159
 
                                                                (self)->relTop++; \
160
 
                                                        } while (0)
161
 
 
162
 
#define push_ptr_(r)                    do { \
163
 
                                                                if ((self)->relTop >= (self)->relStack + CS_RELEASE_STACK_SIZE) {\
164
 
                                                                        CSException::throwCoreError(CS_CONTEXT, CS_ERR_RELEASE_OVERFLOW); \
165
 
                                                                } \
166
 
                                                                (self)->relTop->r_type = CS_RELEASE_MEM; \
167
 
                                                                (self)->relTop->x.r_mem = (r); \
168
 
                                                                (self)->relTop++; \
169
 
                                                        } while (0)
170
 
 
171
 
#define pop_(r)                         do { \
172
 
                                                                ASSERT((self)->relTop > (self)->relStack); \
173
 
                                                                if (((self)->relTop - 1)->r_type == CS_RELEASE_OBJECT) {\
174
 
                                                                        ASSERT(((self)->relTop - 1)->x.r_object == ((CSObject *) r)); \
175
 
                                                                } else if (((self)->relTop - 1)->r_type == CS_RELEASE_MUTEX) {\
176
 
                                                                        ASSERT(((self)->relTop - 1)->x.r_mutex == ((CSMutex *) r)); \
177
 
                                                                } else if (((self)->relTop - 1)->r_type == CS_RELEASE_POOLED) {\
178
 
                                                                        ASSERT(((self)->relTop - 1)->x.r_pooled == ((CSPooled *) r)); \
179
 
                                                                } else if (((self)->relTop - 1)->r_type == CS_RELEASE_MEM) {\
180
 
                                                                        ASSERT(((self)->relTop - 1)->x.r_mem == ((CSPooled *) r)); \
181
 
                                                                }  else {\
182
 
                                                                        ASSERT(false); \
183
 
                                                                } \
184
 
                                                                (self)->relTop--; \
185
 
                                                        } while (0)
186
 
 
187
 
#define retain_(r)                      do { \
188
 
                                                                (r)->retain(); \
189
 
                                                                push_(r); \
190
 
                                                        } while (0)
191
 
 
192
 
#define release_(r)                     do {  \
193
 
                                                                ASSERT((self)->relTop > (self)->relStack); \
194
 
                                                                if (((self)->relTop - 1)->r_type == CS_RELEASE_OBJECT) {\
195
 
                                                                        register CSObject *rp; \
196
 
                                                                        rp = ((self)->relTop - 1)->x.r_object; \
197
 
                                                                        ASSERT(rp == (CSObject *)(r)); \
198
 
                                                                        (self)->relTop--; \
199
 
                                                                        rp->release(); \
200
 
                                                                } else if (((self)->relTop - 1)->r_type == CS_RELEASE_MEM) {\
201
 
                                                                        register void *mem; \
202
 
                                                                        mem = ((self)->relTop - 1)->x.r_mem; \
203
 
                                                                        ASSERT(mem == (void *)(r)); \
204
 
                                                                        (self)->relTop--; \
205
 
                                                                        cs_free(mem); \
206
 
                                                                }  else {\
207
 
                                                                        ASSERT(false); \
208
 
                                                                } \
209
 
                                                        } while (0)
210
 
 
211
 
#define lock_(r)                        do { \
212
 
                                                                if ((self)->relTop >= (self)->relStack + CS_RELEASE_STACK_SIZE) {\
213
 
                                                                        CSException::throwCoreError(CS_CONTEXT, CS_ERR_RELEASE_OVERFLOW); \
214
 
                                                                } \
215
 
                                                                (r)->lock(); \
216
 
                                                                (self)->relTop->r_type = CS_RELEASE_MUTEX; \
217
 
                                                                (self)->relTop->x.r_mutex = (r); \
218
 
                                                                (self)->relTop++; \
219
 
                                                        } while (0)
220
 
 
221
 
#define unlock_(r)                      do {  \
222
 
                                                                register CSMutex *rp; \
223
 
                                                                ASSERT((self)->relTop > (self)->relStack); \
224
 
                                                                ASSERT(((self)->relTop - 1)->r_type == CS_RELEASE_MUTEX); \
225
 
                                                                rp = ((self)->relTop - 1)->x.r_mutex; \
226
 
                                                                ASSERT(rp == (r)); \
227
 
                                                                (self)->relTop--; \
228
 
                                                                rp->unlock(); \
229
 
                                                        } while (0)
230
 
 
231
 
#define frompool_(r)            do { \
232
 
                                                                if ((self)->relTop >= (self)->relStack + CS_RELEASE_STACK_SIZE) {\
233
 
                                                                        CSException::throwCoreError(CS_CONTEXT, CS_ERR_RELEASE_OVERFLOW); \
234
 
                                                                } \
235
 
                                                                (self)->relTop->r_type = CS_RELEASE_POOLED; \
236
 
                                                                (self)->relTop->x.r_pooled = (r); \
237
 
                                                                (self)->relTop++; \
238
 
                                                        } while (0)
239
 
 
240
 
#define backtopool_(r)          do {  \
241
 
                                                                register CSPooled *rp; \
242
 
                                                                ASSERT((self)->relTop > (self)->relStack); \
243
 
                                                                ASSERT(((self)->relTop - 1)->r_type == CS_RELEASE_POOLED); \
244
 
                                                                rp = ((self)->relTop - 1)->x.r_pooled; \
245
 
                                                                ASSERT(rp == (r)); \
246
 
                                                                (self)->relTop--; \
247
 
                                                                rp->returnToPool(); \
248
 
                                                        } while (0)
249
 
 
250
 
#endif