Merge remote-tracking branch 'origin/release-v4.6.1'
[WRF.git] / external / RSL_LITE / rsl_malloc.c
blob689eed3401b1b46bc35aa8a2562c6e19316a99d7
1 /***********************************************************************
3 COPYRIGHT
5 The following is a notice of limited availability of the code and
6 Government license and disclaimer which must be included in the
7 prologue of the code and in all source listings of the code.
9 Copyright notice
10 (c) 1977 University of Chicago
12 Permission is hereby granted to use, reproduce, prepare
13 derivative works, and to redistribute to others at no charge. If
14 you distribute a copy or copies of the Software, or you modify a
15 copy or copies of the Software or any portion of it, thus forming
16 a work based on the Software and make and/or distribute copies of
17 such work, you must meet the following conditions:
19 a) If you make a copy of the Software (modified or verbatim)
20 it must include the copyright notice and Government
21 license and disclaimer.
23 b) You must cause the modified Software to carry prominent
24 notices stating that you changed specified portions of
25 the Software.
27 This software was authored by:
29 Argonne National Laboratory
30 J. Michalakes: (630) 252-6646; email: michalak@mcs.anl.gov
31 Mathematics and Computer Science Division
32 Argonne National Laboratory, Argonne, IL 60439
34 ARGONNE NATIONAL LABORATORY (ANL), WITH FACILITIES IN THE STATES
35 OF ILLINOIS AND IDAHO, IS OWNED BY THE UNITED STATES GOVERNMENT,
36 AND OPERATED BY THE UNIVERSITY OF CHICAGO UNDER PROVISION OF A
37 CONTRACT WITH THE DEPARTMENT OF ENERGY.
39 GOVERNMENT LICENSE AND DISCLAIMER
41 This computer code material was prepared, in part, as an account
42 of work sponsored by an agency of the United States Government.
43 The Government is granted for itself and others acting on its
44 behalf a paid-up, nonexclusive, irrevocable worldwide license in
45 this data to reproduce, prepare derivative works, distribute
46 copies to the public, perform publicly and display publicly, and
47 to permit others to do so. NEITHER THE UNITED STATES GOVERNMENT
48 NOR ANY AGENCY THEREOF, NOR THE UNIVERSITY OF CHICAGO, NOR ANY OF
49 THEIR EMPLOYEES, MAKES ANY WARRANTY, EXPRESS OR IMPLIED, OR
50 ASSUMES ANY LEGAL LIABILITY OR RESPONSIBILITY FOR THE ACCURACY,
51 COMPLETENESS, OR USEFULNESS OF ANY INFORMATION, APPARATUS,
52 PRODUCT, OR PROCESS DISCLOSED, OR REPRESENTS THAT ITS USE WOULD
53 NOT INFRINGE PRIVATELY OWNED RIGHTS.
55 ***************************************************************************/
57 #if 0
58 #define PADIT /* add page at beginning and end of allocation */
59 #endif
60 #if 0
61 # define BASE_MALLOC fence_malloc
62 # define BASE_FREE fence_free
63 #else
64 # define BASE_MALLOC malloc
65 # define BASE_FREE free
66 #endif
68 #ifdef _WIN32
69 #define bzero(X,Y) memset(X,0,Y)
70 #endif
72 #ifndef MS_SUA
73 # include <stdio.h>
74 #endif
75 #include <stdlib.h>
76 #ifndef MACOS
77 # include <malloc.h>
78 #else
79 # include <malloc/malloc.h>
80 #endif
81 #ifdef T3D
82 #include <errno.h>
83 #endif
84 #ifndef STUBMPI
85 # include "mpi.h"
86 #endif
87 #include "rsl_lite.h"
88 #include <strings.h>
89 #include <unistd.h>
91 extern int EF_ALIGNMENT;
92 extern int EF_PROTECT_BELOW;
93 extern int EF_PROTECT_FREE;
96 /* define STUG to enable tracking of allocs and frees (performance and space penalty) */
97 #ifdef STUG
98 #define MAXSTUG 1000000
99 struct stugtype {
100 char * ddr ;
101 int sz ;
102 } stug[MAXSTUG] ;
103 static int stugfirst =1 ;
104 int outy = 0 ;
105 int nouty = 0 ;
106 int maxstug = 0 ;
107 int maxouty = 0 ;
108 int bbb ;
109 #endif
112 static char zero_length_storage[] = "" ;
114 #if !(defined(vpp) || defined(vpp2) || defined(SUN) || defined(XT3_Catamount) || defined(crayx1) || defined(MACOS) || defined(MS_SUA) )
115 static struct mallinfo minf ;
116 #endif
118 static char *last_f ;
119 static int last_l ;
120 static int last_s ;
122 #ifdef O2K
123 static struct mallinfo mallinfo() {} ;
124 #endif
126 void * rsl_malloc(f,l,s)
127 char * f ;
128 int l, s ;
130 char mess[128] ;
131 void *retval ;
132 int s2, tries ;
135 EF_PROTECT_BELOW = 0 ;
136 EF_PROTECT_FREE = 1 ;
139 #ifdef STUG
140 if ( stugfirst == 1 ) {
141 stugfirst = 0 ;
142 for ( bbb = 0 ; bbb < MAXSTUG ; bbb++ ) {
143 stug[bbb].ddr = 0L ;
144 stug[bbb].sz = 0 ;
147 #endif
149 if ( s == 0 )
151 retval = (void *) zero_length_storage ;
153 else
155 #ifdef PADIT
156 s2 = s + 1024 ;
157 #else
158 s2 = s ;
159 #endif
160 tries = 0 ;
161 while ((retval=(void *)BASE_MALLOC(s2))==(void *)NULL)
163 tries++ ;
164 sprintf(mess,
165 "rsl_malloc failed allocating %d bytes, called %s, line %d, try %d\n",
166 s,f,l,tries) ;
167 perror(mess) ;
168 #if !(defined(vpp) || defined(vpp2) || defined(SUN) || defined(XT3_Catamount) || defined(crayx1) || defined(MACOS) || defined(MS_SUA) || defined(_WIN32))
169 minf = mallinfo() ;
170 fprintf(stderr,"mallinfo: arena %d\n",minf.arena) ;
171 fprintf(stderr,"mallinfo: ordblks %d\n",minf.ordblks) ;
172 fprintf(stderr,"mallinfo: smblks %d\n",minf.smblks) ;
173 fprintf(stderr,"mallinfo: hblks %d\n",minf.hblks) ;
174 fprintf(stderr,"mallinfo: hblkhd %d\n",minf.hblkhd) ;
175 fprintf(stderr,"mallinfo: usmblks %d\n",minf.usmblks) ;
176 fprintf(stderr,"mallinfo: fsmblks %d\n",minf.fsmblks) ;
177 fprintf(stderr,"mallinfo: uordblks %d\n",minf.uordblks) ;
178 fprintf(stderr,"mallinfo: fordblks %d\n",minf.fordblks) ;
179 fprintf(stderr,"mallinfo: keepcost %d\n",minf.keepcost) ;
180 #ifdef SUNINFO
181 fprintf(stderr,"mallinfo: mkfast %d\n",minf.mkfast) ;
182 fprintf(stderr,"mallinfo: nblks %d\n",minf.nblks) ;
183 fprintf(stderr,"mallinfo: grain %d\n",minf.grain) ;
184 fprintf(stderr,"mallinfo: uordbytes %d\n",minf.uordbytes) ;
185 fprintf(stderr,"mallinfo: allocated %d\n",minf.allocated) ;
186 fprintf(stderr,"mallinfo: treeoverhead %d\n",minf.treeoverhead) ;
187 #endif
188 #endif
189 if ( tries >= 2 )
191 system("lsps -a") ;
192 #if !defined (MS_SUA) && !defined(_WIN32)
193 sleep(1) ;
194 #endif
196 if ( tries >= 3 )
198 system("lsps -a") ;
199 RSL_FATAL(2) ;
203 #if !(defined(vpp)||defined(vpp2)) || defined(sx) || defined(alphavector)
204 if ( s > 0 )
205 bzero( retval, s2 ) ; /* return zero'd storage always */
206 #else
207 if ( s > 0 )
208 { int l, lb ;
209 l = s2/sizeof(int) ;
210 lb = l*sizeof(int) ;
211 vizero_( retval, &l ) ;
212 l = s2-lb ;
213 vbzero_( retval+lb, &l ) ; /* return zero'd storage always */
215 #endif
217 #ifdef PADIT
218 retval = retval + 512 ;
219 #endif
221 #ifdef STUG
222 for ( bbb = 0 ; bbb < MAXSTUG ; bbb++ )
224 if ( stug[bbb].ddr == 0 ) break ;
226 if ( bbb < MAXSTUG ) {
227 stug[bbb].ddr = retval ;
228 stug[bbb].sz = s ;
229 outy += stug[bbb].sz ;
230 /* fprintf(stderr,"+ %10d. %08x %10d %10d\n", bbb, stug[bbb].ddr, stug[bbb].sz, outy ) ; */
231 nouty ++ ;
232 if ( nouty > maxstug ) maxstug = nouty ;
233 if ( outy > maxouty ) maxouty = outy ;
234 }else{
235 #ifndef MS_SUA
236 fprintf(stderr,"stug full %d\n",bbb) ;
237 #endif
238 RSL_FATAL(2) ;
240 #endif
241 return(retval) ;
244 void rsl_free( p )
245 char **p ;
247 if ( *p == zero_length_storage ) return ; /* fix from ANU */
249 #ifdef STUG
250 for ( bbb = 0 ; bbb < MAXSTUG ; bbb++ )
252 if ( stug[bbb].ddr == *p ) {
253 outy -= stug[bbb].sz ;
254 /* fprintf(stderr,"- %10d. %08x %10d %10d\n", bbb, stug[bbb].ddr, stug[bbb].sz, outy ) ; */
255 nouty -- ;
256 stug[bbb].ddr = 0L ;
257 break ;
260 #endif
262 #ifdef PADIT
263 BASE_FREE ( *p-512 ) ;
264 #else
265 BASE_FREE ( *p ) ;
266 #endif
267 *p = NULL ;
270 #ifdef MS_SUA
271 bzero( char *buf, int l )
273 int i ;
274 char * p ;
275 for ( p = buf, i=0 ; i < l ; i++ ) *p = '\0' ;
277 #endif