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
|
/* ========================================================================= */
/* EGlib "Efficient General Library" provides some basic structures and
* algorithms commons in many optimization algorithms.
*
* Copyright (C) 2005 Daniel Espinoza and Marcos Goycoolea.
*
* This library 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 2.1 of the License, or (at your
* option) any later version.
*
* This library 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 library; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
* */
/* ========================================================================= */
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdlib.h>
#include <setjmp.h>
#include <signal.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/utsname.h>
#include <sys/types.h>
#include <unistd.h>
#include "eg_macros.h"
#include "qs_config.h"
#include "logging-private.h"
/** @file
* @brief implementation of some macros.
*
* @version 0.9.2
* @par History:
* -2006-09-28
* - First implementation
* -2007-12-06
* - Add versioning information in header
* @ingroup EGmacros */
/** @addtogroup EGmacros */
/** @{ */
/* ========================================================================= */
void EGlib_info(void)
{
int rval;
struct utsname uts;
rval = uname(&uts);
if(rval)
{
QSlog("Can't get host info");
}
else
{
QSlog("Host: %s, %s %s %s", uts.nodename, uts.sysname, uts.release, uts.machine);
QSlog("Current process id: %d", (int)getpid());
}
}
/** @} */
/* ========================================================================= */
jmp_buf __EGljmp;
/* ========================================================================= */
void EGsighandler(int s)
{
switch(s)
{
case SIGXCPU:
/* time is over */
QSlog("TIME_LIMIT_REACHED (ending now)");
longjmp(__EGljmp,s);
break;
case SIGINT:
case SIGTERM:
case SIGTSTP:
/* time is over */
QSlog("USER_INTERRUPT (ending now)");
longjmp(__EGljmp,s);
break;
case SIGSEGV:
/* Memory is over or segmentation fault */
QSlog("MEMORY_LIMIT_REACHED (ending now)");
longjmp(__EGljmp,s);
break;
case SIGABRT:
/* something is sending an abort code.... stop execution, report the
* signal, do destruction and report and end */
QSlog("SIGABRT received (ending now)");
longjmp(__EGljmp,s);
break;
default:
QSlog("Unkown signal %d", s);
QSlog("Ending with status %d", s);
exit(s);
}
}
/* ========================================================================= */
void __EGsigSetSignal(void)
{
signal(SIGXCPU,EGsighandler);
signal(SIGINT,EGsighandler);
signal(SIGSEGV,EGsighandler);
signal(SIGABRT,EGsighandler);
}
/* ========================================================================= */
void EGsetLimits(double max_rtime, unsigned long memlimit)
{
struct rlimit mlim;
WARNIF(getrlimit(RLIMIT_CPU,&mlim));
MESSAGE(0, "Cur rtime limit %ld, trying to set to %lg", mlim.rlim_cur, max_rtime);
if(max_rtime > mlim.rlim_max) max_rtime = (double)mlim.rlim_max;
mlim.rlim_cur = (rlim_t)max_rtime;
WARNIF(setrlimit(RLIMIT_CPU,&mlim));
MESSAGE(0, "New rtime limit %ld (%.3lg)", mlim.rlim_cur, max_rtime);
WARNIF(getrlimit(RLIMIT_DATA,&mlim));
MESSAGE(0, "Cur data limit %ld,%ld (soft,hard)", mlim.rlim_cur,
mlim.rlim_max);
mlim.rlim_cur = memlimit;
WARNIF( setrlimit(RLIMIT_DATA,&mlim));
WARNIF( getrlimit(RLIMIT_DATA,&mlim));
MESSAGE(0, "New data limit %ld,%ld (soft,hard)", mlim.rlim_cur,
mlim.rlim_max);
WARNIF( getrlimit(RLIMIT_AS,&mlim));
MESSAGE(0, "Cur address space limit %ld,%ld (soft,hard)",
mlim.rlim_cur, mlim.rlim_max);
mlim.rlim_cur = memlimit;
WARNIF( setrlimit(RLIMIT_AS,&mlim));
WARNIF( getrlimit(RLIMIT_AS,&mlim));
MESSAGE(0, "New address space limit %ld,%ld (soft,hard)",
mlim.rlim_cur, mlim.rlim_max);
mlim.rlim_cur = 0;
WARNIF( setrlimit(RLIMIT_CORE,&mlim));
WARNIF( getrlimit(RLIMIT_CORE,&mlim));
MESSAGE(0, "New core dump space limit %ld,%ld (soft,hard)",
mlim.rlim_cur, mlim.rlim_max);
return;
}
/* ========================================================================= */
/* end of eg_macros.c */
|
