130 |
|
|
131 |
|
#ifdef LINUX |
132 |
|
if ((f=fopen("/proc/uptime", "r")) == NULL) { |
133 |
+ |
sg_set_error(SG_ERROR_OPEN, "/proc/uptime"); |
134 |
|
return NULL; |
135 |
|
} |
136 |
|
if((fscanf(f,"%lu %*d",&uptime)) != 1){ |
137 |
+ |
sg_set_error(SG_ERROR_PARSE, NULL); |
138 |
|
return NULL; |
139 |
|
} |
140 |
|
fclose(f); |
141 |
|
#endif |
142 |
|
|
143 |
|
if((proc_dir=opendir(PROC_LOCATION))==NULL){ |
144 |
+ |
sg_set_error(SG_ERROR_OPENDIR, PROC_LOCATION); |
145 |
|
return NULL; |
146 |
|
} |
147 |
|
|
161 |
|
} |
162 |
|
#ifdef SOLARIS |
163 |
|
fread(&process_info, sizeof(psinfo_t), 1, f); |
164 |
+ |
fclose(f); |
165 |
|
#endif |
166 |
|
|
167 |
|
if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) { |
181 |
|
proc_state_ptr->proc_resident = (process_info.pr_rssize) * 1024; |
182 |
|
proc_state_ptr->time_spent = process_info.pr_time.tv_sec; |
183 |
|
proc_state_ptr->cpu_percent = (process_info.pr_pctcpu * 100.0) / 0x8000; |
184 |
+ |
proc_state_ptr->nice = (int)process_info.pr_lwp.pr_nice - 20; |
185 |
|
if (sg_update_string(&proc_state_ptr->process_name, |
186 |
|
process_info.pr_fname) < 0) { |
187 |
|
return NULL; |
306 |
|
mib[2] = KERN_PROC_ALL; |
307 |
|
|
308 |
|
if(sysctl(mib, 3, NULL, &size, NULL, 0) < 0) { |
309 |
+ |
sg_set_error(SG_ERROR_SYSCTL, "CTL_KERN.KERN_PROC.KERN_PROC_ALL"); |
310 |
|
return NULL; |
311 |
|
} |
312 |
|
|
319 |
|
memset(kp_stats, 0, size); |
320 |
|
|
321 |
|
if(sysctl(mib, 3, kp_stats, &size, NULL, 0) < 0) { |
322 |
+ |
sg_set_error(SG_ERROR_SYSCTL, "CTL_KERN.KERN_PROC.KERN_PROC_ALL"); |
323 |
|
free(kp_stats); |
324 |
|
return NULL; |
325 |
|
} |
365 |
|
|
366 |
|
#ifdef FREEBSD5 |
367 |
|
if(sysctlbyname("kern.ps_arg_cache_limit", &buflen, &size, NULL, 0) < 0) { |
368 |
+ |
sg_set_error(SG_ERROR_SYSCTLBYNAME, "kern.ps_arg_cache_limit"); |
369 |
|
return NULL; |
370 |
|
} |
371 |
|
#else |
375 |
|
mib[1] = KERN_ARGMAX; |
376 |
|
|
377 |
|
if(sysctl(mib, 2, &buflen, &size, NULL, 0) < 0) { |
378 |
+ |
sg_set_error(SG_ERROR_SYSCTL, "CTL_KERN.KERN_ARGMAX"); |
379 |
|
return NULL; |
380 |
|
} |
381 |
|
#endif |
527 |
|
mib[4] = 0; |
528 |
|
|
529 |
|
if(sysctl(mib, 5, NULL, &size, NULL, 0) < 0) { |
530 |
+ |
sg_set_error(SG_ERROR_SYSCTL, "CTL_KERN.KERN_LWP.pid.structsize.0"); |
531 |
|
return NULL; |
532 |
|
} |
533 |
|
|
540 |
|
} |
541 |
|
|
542 |
|
if(sysctl(mib, 5, kl_stats, &size, NULL, 0) < 0) { |
543 |
+ |
sg_set_error(SG_ERROR_SYSCTL, "CTL_KERN.KERN_LWP.pid.structsize.buffersize"); |
544 |
|
return NULL; |
545 |
|
} |
546 |
|
} |
625 |
|
#endif |
626 |
|
|
627 |
|
#ifdef CYGWIN |
628 |
+ |
sg_set_error(SG_ERROR_UNSUPPORTED, "Cygwin"); |
629 |
|
return NULL; |
630 |
|
#endif |
631 |
|
|
674 |
|
process_stat.total = ps_size; |
675 |
|
|
676 |
|
return &process_stat; |
677 |
+ |
} |
678 |
+ |
|
679 |
+ |
int sg_process_compare_pid(const void *va, const void *vb) { |
680 |
+ |
const sg_process_stats *a = (sg_process_stats *)va; |
681 |
+ |
const sg_process_stats *b = (sg_process_stats *)vb; |
682 |
+ |
|
683 |
+ |
if (a->pid < b->pid) { |
684 |
+ |
return -1; |
685 |
+ |
} else if (a->pid == b->pid) { |
686 |
+ |
return 0; |
687 |
+ |
} else { |
688 |
+ |
return 1; |
689 |
+ |
} |
690 |
+ |
} |
691 |
+ |
|
692 |
+ |
int sg_process_compare_uid(const void *va, const void *vb) { |
693 |
+ |
const sg_process_stats *a = (sg_process_stats *)va; |
694 |
+ |
const sg_process_stats *b = (sg_process_stats *)vb; |
695 |
+ |
|
696 |
+ |
if (a->uid < b->uid) { |
697 |
+ |
return -1; |
698 |
+ |
} else if (a->uid == b->uid) { |
699 |
+ |
return 0; |
700 |
+ |
} else { |
701 |
+ |
return 1; |
702 |
+ |
} |
703 |
+ |
} |
704 |
+ |
|
705 |
+ |
int sg_process_compare_gid(const void *va, const void *vb) { |
706 |
+ |
const sg_process_stats *a = (sg_process_stats *)va; |
707 |
+ |
const sg_process_stats *b = (sg_process_stats *)vb; |
708 |
+ |
|
709 |
+ |
if (a->gid < b->gid) { |
710 |
+ |
return -1; |
711 |
+ |
} else if (a->gid == b->gid) { |
712 |
+ |
return 0; |
713 |
+ |
} else { |
714 |
+ |
return 1; |
715 |
+ |
} |
716 |
+ |
} |
717 |
+ |
|
718 |
+ |
int sg_process_compare_size(const void *va, const void *vb) { |
719 |
+ |
const sg_process_stats *a = (sg_process_stats *)va; |
720 |
+ |
const sg_process_stats *b = (sg_process_stats *)vb; |
721 |
+ |
|
722 |
+ |
if (a->proc_size < b->proc_size) { |
723 |
+ |
return -1; |
724 |
+ |
} else if (a->proc_size == b->proc_size) { |
725 |
+ |
return 0; |
726 |
+ |
} else { |
727 |
+ |
return 1; |
728 |
+ |
} |
729 |
+ |
} |
730 |
+ |
|
731 |
+ |
int sg_process_compare_res(const void *va, const void *vb) { |
732 |
+ |
const sg_process_stats *a = (sg_process_stats *)va; |
733 |
+ |
const sg_process_stats *b = (sg_process_stats *)vb; |
734 |
+ |
|
735 |
+ |
if (a->proc_resident < b->proc_resident) { |
736 |
+ |
return -1; |
737 |
+ |
} else if (a->proc_resident == b->proc_resident) { |
738 |
+ |
return 0; |
739 |
+ |
} else { |
740 |
+ |
return 1; |
741 |
+ |
} |
742 |
+ |
} |
743 |
+ |
|
744 |
+ |
int sg_process_compare_cpu(const void *va, const void *vb) { |
745 |
+ |
const sg_process_stats *a = (sg_process_stats *)va; |
746 |
+ |
const sg_process_stats *b = (sg_process_stats *)vb; |
747 |
+ |
|
748 |
+ |
if (a->cpu_percent < b->cpu_percent) { |
749 |
+ |
return -1; |
750 |
+ |
} else if (a->cpu_percent == b->cpu_percent) { |
751 |
+ |
return 0; |
752 |
+ |
} else { |
753 |
+ |
return 1; |
754 |
+ |
} |
755 |
+ |
} |
756 |
+ |
|
757 |
+ |
int sg_process_compare_time(const void *va, const void *vb) { |
758 |
+ |
const sg_process_stats *a = (sg_process_stats *)va; |
759 |
+ |
const sg_process_stats *b = (sg_process_stats *)vb; |
760 |
+ |
|
761 |
+ |
if (a->time_spent < b->time_spent) { |
762 |
+ |
return -1; |
763 |
+ |
} else if (a->time_spent == b->time_spent) { |
764 |
+ |
return 0; |
765 |
+ |
} else { |
766 |
+ |
return 1; |
767 |
+ |
} |
768 |
+ |
} |
769 |
+ |
|
770 |
+ |
void sg_process_sort(sg_process_stats *ps, int num_ps, sg_process_sort_method sm){ |
771 |
+ |
int (*sortby_ptr)(const void *a, const void *b); |
772 |
+ |
|
773 |
+ |
switch(sm){ |
774 |
+ |
case SG_PS_PID: |
775 |
+ |
sortby_ptr = sg_process_compare_pid; |
776 |
+ |
break; |
777 |
+ |
case SG_PS_UID: |
778 |
+ |
sortby_ptr = sg_process_compare_uid; |
779 |
+ |
break; |
780 |
+ |
case SG_PS_GID: |
781 |
+ |
sortby_ptr = sg_process_compare_gid; |
782 |
+ |
break; |
783 |
+ |
case SG_PS_SIZE: |
784 |
+ |
sortby_ptr = sg_process_compare_size; |
785 |
+ |
break; |
786 |
+ |
case SG_PS_RES: |
787 |
+ |
sortby_ptr = sg_process_compare_res; |
788 |
+ |
break; |
789 |
+ |
case SG_PS_CPU: |
790 |
+ |
sortby_ptr = sg_process_compare_cpu; |
791 |
+ |
break; |
792 |
+ |
case SG_PS_TIME: |
793 |
+ |
sortby_ptr = sg_process_compare_time; |
794 |
+ |
break; |
795 |
+ |
} |
796 |
+ |
|
797 |
+ |
qsort(ps, num_ps, sizeof(*ps), sortby_ptr); |
798 |
+ |
|
799 |
+ |
return; |
800 |
|
} |