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root/i-scream/projects/libstatgrab/src/libstatgrab/memory_stats.c
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Comparing projects/libstatgrab/src/libstatgrab/memory_stats.c (file contents):
Revision 1.26 by tdb, Wed Apr 7 14:53:40 2004 UTC vs.
Revision 1.27 by tdb, Wed Apr 7 21:08:40 2004 UTC

# Line 77 | Line 77 | sg_mem_stats *sg_get_mem_stats(){
77  
78   #ifdef SOLARIS
79          if((pagesize=sysconf(_SC_PAGESIZE)) == -1){
80 +                sg_set_error(SG_ERROR_SYSCONF, "_SC_PAGESIZE");
81                  return NULL;    
82          }
83  
84          if((totalmem=sysconf(_SC_PHYS_PAGES)) == -1){
85 +                sg_set_error(SG_ERROR_SYSCONF, "_SC_PHYS_PAGES");
86                  return NULL;
87          }
88  
89          if ((kc = kstat_open()) == NULL) {
90 +                sg_set_error(SG_ERROR_KSTAT_OPEN, NULL);
91                  return NULL;
92          }
93          if((ksp=kstat_lookup(kc, "unix", 0, "system_pages")) == NULL){
94 +                sg_set_error(SG_ERROR_KSTAT_LOOKUP, "unix,0,system_pages");
95                  return NULL;
96          }
97          if (kstat_read(kc, ksp, 0) == -1) {
98 +                sg_set_error(SG_ERROR_KSTAT_READ, NULL);
99                  return NULL;
100          }
101          if((kn=kstat_data_lookup(ksp, "freemem")) == NULL){
102 +                sg_set_error(SG_ERROR_KSTAT_DATA_LOOKUP, "freemem");
103                  return NULL;
104          }
105          kstat_close(kc);
# Line 105 | Line 111 | sg_mem_stats *sg_get_mem_stats(){
111  
112   #if defined(LINUX) || defined(CYGWIN)
113          if ((f = fopen("/proc/meminfo", "r")) == NULL) {
114 +                sg_set_error(SG_ERROR_OPEN, "/proc/meminfo");
115                  return NULL;
116          }
117  
# Line 133 | Line 140 | sg_mem_stats *sg_get_mem_stats(){
140          mib[1] = HW_PHYSMEM;
141          size = sizeof physmem;
142          if (sysctl(mib, 2, &physmem, &size, NULL, 0) < 0) {
143 +                sg_set_error(SG_ERROR_SYSCTL, "CTL_HW.HW_PHYSMEM");
144                  return NULL;
145          }
146          mem_stat.total = physmem;
147  
148          /*returns pages*/
149          size = sizeof free_count;
150 <        if (sysctlbyname("vm.stats.vm.v_free_count", &free_count, &size, NULL, 0) < 0){
150 >        if (sysctlbyname("vm.stats.vm.v_free_count", &free_count, &size, NULL, 0) < 0){
151 >                sg_set_error(SG_ERROR_SYSCTLBYNAME, "vm.stats.vm.v_free_count");
152                  return NULL;
153 <        }
153 >        }
154  
155          size = sizeof inactive_count;
156 <        if (sysctlbyname("vm.stats.vm.v_inactive_count", &inactive_count , &size, NULL, 0) < 0){
156 >        if (sysctlbyname("vm.stats.vm.v_inactive_count", &inactive_count , &size, NULL, 0) < 0){
157 >                sg_set_error(SG_ERROR_SYSCTLBYNAME, "vm.stats.vm.v_inactive_count");
158                  return NULL;
159 <        }
159 >        }
160  
161          size = sizeof cache_count;
162 <        if (sysctlbyname("vm.stats.vm.v_cache_count", &cache_count, &size, NULL, 0) < 0){
162 >        if (sysctlbyname("vm.stats.vm.v_cache_count", &cache_count, &size, NULL, 0) < 0){
163 >                sg_set_error(SG_ERROR_SYSCTLBYNAME, "vm.stats.vm.v_cache_count");
164                  return NULL;
165 <        }
165 >        }
166  
167          /* Because all the vm.stats returns pages, I need to get the page size.
168 <         * After that I then need to multiple the anything that used vm.stats to
168 >         * After that I then need to multiple the anything that used vm.stats to
169           * get the system statistics by pagesize
170           */
171          if ((pagesize=getpagesize()) == -1){
172 +                sg_set_error(SG_ERROR_GETPAGESIZE, "NULL");
173                  return NULL;
174          }
175  

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