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comparison src/mem-limits.h @ 412:697ef44129c6 r21-2-14

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Import from CVS: tag r21-2-14
author cvs
date Mon, 13 Aug 2007 11:20:41 +0200
parents de805c49cfc1
children
comparison
equal deleted inserted replaced
411:12e008d41344 412:697ef44129c6
25 HAVE_SYS_RESOURCE_H, HAVE_ULIMIT_H, HAVE_GETRLIMIT, HAVE_ULIMIT, 25 HAVE_SYS_RESOURCE_H, HAVE_ULIMIT_H, HAVE_GETRLIMIT, HAVE_ULIMIT,
26 and select action based on those values. 26 and select action based on those values.
27 getrlimit() should be preferred to ulimit(). 27 getrlimit() should be preferred to ulimit().
28 On Linux, ulimit() is deprecated and always returns -1. */ 28 On Linux, ulimit() is deprecated and always returns -1. */
29 29
30 #ifndef INCLUDED_mem_limits_h_ 30 #ifndef _XEMACS_MEM_LIMITS_H_
31 #define INCLUDED_mem_limits_h_ 31 #define _XEMACS_MEM_LIMITS_H_
32 32
33 #ifdef HAVE_CONFIG_H 33 #ifdef HAVE_CONFIG_H
34 #include <config.h> 34 #include <config.h>
35 #endif 35 #endif
36 36
37 #ifdef HAVE_ULIMIT_H 37 #ifdef HAVE_ULIMIT_H
38 #include <ulimit.h> 38 #include <ulimit.h>
39 #endif
40
41 #ifdef MSDOS
42 #include <dpmi.h>
39 #endif 43 #endif
40 44
41 /* Some systems need this before <sys/resource.h>. */ 45 /* Some systems need this before <sys/resource.h>. */
42 #include <sys/types.h> 46 #include <sys/types.h>
43 47
64 #endif /*Added by Fukui*/ 68 #endif /*Added by Fukui*/
65 #endif 69 #endif
66 70
67 #ifndef BSD4_2 71 #ifndef BSD4_2
68 #ifndef USG 72 #ifndef USG
69 #ifndef WIN32_NATIVE 73 #ifndef MSDOS
70 #ifndef CYGWIN 74 #ifndef WINDOWSNT
75 #ifndef __CYGWIN32__
71 #if defined(__linux__) && defined(powerpc) /*Added Kaoru Fukui*/ 76 #if defined(__linux__) && defined(powerpc) /*Added Kaoru Fukui*/
72 #else /*Added Kaoru Fukui*/ 77 #else /*Added Kaoru Fukui*/
73 #include <sys/vlimit.h> 78 #include <sys/vlimit.h>
74 #endif /*Added by Fukui*/ 79 #endif /*Added by Fukui*/
75 #endif /* not CYGWIN */ 80 #endif /* not __CYGWIN32__ */
76 #endif /* not WIN32_NATIVE */ 81 #endif /* not WINDOWSNT */
82 #endif /* not MSDOS */
77 #endif /* not USG */ 83 #endif /* not USG */
78 #else /* if BSD4_2 */ 84 #else /* if BSD4_2 */
79 #include <sys/time.h> 85 #include <sys/time.h>
80 #include <sys/resource.h> 86 #include <sys/resource.h>
81 #endif /* BSD4_2 */ 87 #endif /* BSD4_2 */
88 typedef void *POINTER; 94 typedef void *POINTER;
89 #else 95 #else
90 typedef char *POINTER; 96 typedef char *POINTER;
91 #endif 97 #endif
92 98
93 #ifndef CYGWIN 99 #ifndef __CYGWIN32__
94 typedef unsigned long SIZE; 100 typedef unsigned long SIZE;
95 #endif 101 #endif
96 102
97 extern POINTER start_of_data (void); 103 extern POINTER start_of_data (void);
98 #define EXCEEDS_LISP_PTR(ptr) 0 104 #define EXCEEDS_LISP_PTR(ptr) 0
99 105
100 #ifdef BSD 106 #ifdef BSD
107 #ifndef DATA_SEG_BITS
101 extern int etext; 108 extern int etext;
102 #define start_of_data() &etext 109 #define start_of_data() &etext
110 #endif
103 #endif 111 #endif
104 112
105 #else /* not emacs */ 113 #else /* not emacs */
106 extern char etext; 114 extern char etext;
107 #define start_of_data() &etext 115 #define start_of_data() &etext
115 static POINTER data_space_start; 123 static POINTER data_space_start;
116 124
117 /* Number of bytes of writable memory we can expect to be able to get */ 125 /* Number of bytes of writable memory we can expect to be able to get */
118 extern unsigned int lim_data; 126 extern unsigned int lim_data;
119 127
120 #if defined (HEAP_IN_DATA) && !defined(PDUMP) 128 #ifdef HEAP_IN_DATA
121 extern unsigned long static_heap_size; 129 extern unsigned long static_heap_size;
122 extern int initialized; 130 extern int initialized;
123 static void 131 static void
124 get_lim_data (void) 132 get_lim_data (void)
125 { 133 {
161 169
162 lim_data -= (long) data_space_start; 170 lim_data -= (long) data_space_start;
163 } 171 }
164 172
165 #else /* not USG */ 173 #else /* not USG */
166 #if defined( WIN32_NATIVE ) 174 #if defined( WINDOWSNT )
167 175
168 static void 176 static void
169 get_lim_data (void) 177 get_lim_data (void)
170 { 178 {
171 extern unsigned long data_region_size; 179 extern unsigned long data_region_size;
173 } 181 }
174 182
175 #else 183 #else
176 #if !defined (BSD4_2) && !defined (__osf__) 184 #if !defined (BSD4_2) && !defined (__osf__)
177 185
186 #ifdef MSDOS
187 void
188 get_lim_data (void)
189 {
190 _go32_dpmi_meminfo info;
191
192 _go32_dpmi_get_free_memory_information (&info);
193 lim_data = info.available_memory;
194 }
195 #else /* not MSDOS */
178 static void 196 static void
179 get_lim_data (void) 197 get_lim_data (void)
180 { 198 {
181 lim_data = vlimit (LIM_DATA, -1); 199 lim_data = vlimit (LIM_DATA, -1);
182 } 200 }
201 #endif /* not MSDOS */
183 202
184 #else /* BSD4_2 */ 203 #else /* BSD4_2 */
185 204
186 static void 205 static void
187 get_lim_data (void) 206 get_lim_data (void)
194 #else 213 #else
195 lim_data = XXrlimit.rlim_cur; /* soft limit */ 214 lim_data = XXrlimit.rlim_cur; /* soft limit */
196 #endif 215 #endif
197 } 216 }
198 #endif /* BSD4_2 */ 217 #endif /* BSD4_2 */
199 #endif /* not WIN32_NATIVE */ 218 #endif /* not WINDOWSNT */
200 #endif /* not USG */ 219 #endif /* not USG */
201 #endif /* not NO_LIM_DATA */ 220 #endif /* not NO_LIM_DATA */
202 #endif /* not HEAP_IN_DATA */ 221 #endif /* not HEAP_IN_DATA */
203 222
204 #endif /* INCLUDED_mem_limits_h_ */ 223 #endif /* _XEMACS_MEM_LIMITS_H_ */