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
149
150
151
152
153
154
155
156
157
158
|
/* Copyright (C) 2000-2003 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#include "mysys_priv.h"
#include "my_static.h"
#include "mysys_err.h"
#include <m_string.h>
#include <m_ctype.h>
#include <signal.h>
bool my_init_done= 0;
uint mysys_usage_id= 0; /* Incremented for each my_init() */
ulong my_thread_stack_size= 65536;
static ulong atoi_octal(const char *str)
{
long int tmp;
while (*str && my_isspace(&my_charset_latin1, *str))
str++;
str2int(str,
(*str == '0' ? 8 : 10), /* Octalt or decimalt */
0, INT_MAX, &tmp);
return (ulong) tmp;
}
/*
Init my_sys functions and my_sys variabels
SYNOPSIS
my_init()
RETURN
0 ok
1 Couldn't initialize environment
*/
bool my_init(void)
{
char * str;
if (my_init_done)
return 0;
my_init_done=1;
mysys_usage_id++;
my_umask= 0660; /* Default umask for new files */
my_umask_dir= 0700; /* Default umask for new directories */
init_glob_errs();
#if defined(SAFE_MUTEX)
safe_mutex_global_init(); /* Must be called early */
#endif
#if defined(MY_PTHREAD_FASTMUTEX) && !defined(SAFE_MUTEX)
fastmutex_global_init(); /* Must be called early */
#endif
#if defined(HAVE_PTHREAD_INIT)
pthread_init();
#endif
if (my_thread_global_init())
return 1;
sigfillset(&my_signals); /* signals blocked by mf_brkhant */
{
if (!home_dir)
{ /* Don't initialize twice */
if ((home_dir=getenv("HOME")) != 0)
home_dir=intern_filename(home_dir_buff,home_dir);
/* Default creation of new files */
if ((str=getenv("UMASK")) != 0)
my_umask=(int) (atoi_octal(str) | 0600);
/* Default creation of new dir's */
if ((str=getenv("UMASK_DIR")) != 0)
my_umask_dir=(int) (atoi_octal(str) | 0700);
}
return(0);
}
} /* my_init */
/* End my_sys */
void my_end(int infoflag)
{
/*
this code is suboptimal to workaround a bug in
Sun CC: Sun C++ 5.6 2004/06/02 for x86, and should not be
optimized until this compiler is not in use anymore
*/
FILE *info_file= stderr;
bool print_info= 0;
if ((infoflag & MY_CHECK_ERROR) || print_info)
{ /* Test if some file is left open */
if (my_file_opened | my_stream_opened)
{
sprintf(errbuff[0],EE(EE_OPEN_WARNING),my_file_opened,my_stream_opened);
(void) my_message_no_curses(EE_OPEN_WARNING,errbuff[0],ME_BELL);
my_print_open_files();
}
}
free_charsets();
my_error_unregister_all();
my_once_free();
if ((infoflag & MY_GIVE_INFO) || print_info)
{
#ifdef HAVE_GETRUSAGE
struct rusage rus;
#ifdef HAVE_purify
/* Purify assumes that rus is uninitialized after getrusage call */
bzero((char*) &rus, sizeof(rus));
#endif
if (!getrusage(RUSAGE_SELF, &rus))
fprintf(info_file,"\n\
User time %.2f, System time %.2f\n\
Maximum resident set size %ld, Integral resident set size %ld\n\
Non-physical pagefaults %ld, Physical pagefaults %ld, Swaps %ld\n\
Blocks in %ld out %ld, Messages in %ld out %ld, Signals %ld\n\
Voluntary context switches %ld, Involuntary context switches %ld\n",
(rus.ru_utime.tv_sec * SCALE_SEC +
rus.ru_utime.tv_usec / SCALE_USEC) / 100.0,
(rus.ru_stime.tv_sec * SCALE_SEC +
rus.ru_stime.tv_usec / SCALE_USEC) / 100.0,
rus.ru_maxrss, rus.ru_idrss,
rus.ru_minflt, rus.ru_majflt,
rus.ru_nswap, rus.ru_inblock, rus.ru_oublock,
rus.ru_msgsnd, rus.ru_msgrcv, rus.ru_nsignals,
rus.ru_nvcsw, rus.ru_nivcsw);
#endif
}
else if (infoflag & MY_CHECK_ERROR)
{
TERMINATE(stderr, 0); /* Print memory leaks on screen */
}
my_thread_end();
my_thread_global_end();
#if defined(SAFE_MUTEX)
/*
Check on destroying of mutexes. A few may be left that will get cleaned
up by C++ destructors
*/
safe_mutex_end((infoflag & (MY_GIVE_INFO | MY_CHECK_ERROR)) ? stderr :
(FILE *) 0);
#endif /* defined(SAFE_MUTEX) */
my_init_done=0;
} /* my_end */
|