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#include <paths.h> |
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#include <fcntl.h> |
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#include <limits.h> |
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#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD) |
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#include <kvm.h> |
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#include <tools.h> |
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#endif |
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#include <unistd.h> |
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#endif |
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int get_proc_snapshot(proc_state_t **ps){ |
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proc_state_t *proc_state = NULL; |
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int mib[4]; |
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size_t size; |
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struct kinfo_proc *kp_stats; |
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int procs, i, alloc; |
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int procs, i; |
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char *proctitle; |
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#if defined(FREEBSD5) || defined(NETBSD) || defined(OPENBSD) |
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#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD) |
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kvm_t *kvmd; |
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char **args; |
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int alloc; |
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char *proctitletmp; |
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#else |
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long buflen; |
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char *p; |
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int argc; |
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int j = 0; |
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#else |
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static kvm_t *kvmd; |
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char **args; |
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#endif |
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#endif |
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#if defined(SOLARIS) || defined(LINUX) |
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if(process_info.pr_lwp.pr_state==6) proc_state_ptr->state = RUNNING; |
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#endif |
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#ifdef LINUX |
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x = fscanf(f, "%d %4096s %c %d %d %*d %*d %*d %*lu %*lu %*lu %*lu %*lu %lu %lu %*ld %*ld %*ld %d %*ld %*ld %*lu %llu %llu %*lu %*lu %*lu %*lu %*lu %*lu %*lu %*lu %*lu %*lu %*lu %*lu %*lu %*d %*d\n", &(proc_state_ptr->pid), ps_name, &s, &(proc_state_ptr->parent), &(proc_state_ptr->pgid), &utime, &stime, &(proc_state_ptr->nice), &(proc_state_ptr->proc_size), &(proc_state_ptr->proc_resident)); |
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x = fscanf(f, "%d %4096s %c %d %d %*d %*d %*d %*u %*u %*u %*u %*u %lu %lu %*d %*d %*d %d %*d %*d %*u %llu %llu %*u %*u %*u %*u %*u %*u %*u %*u %*u %*u %*u %*u %*u %*d %*d\n", &(proc_state_ptr->pid), ps_name, &s, &(proc_state_ptr->parent), &(proc_state_ptr->pgid), &utime, &stime, &(proc_state_ptr->nice), &(proc_state_ptr->proc_size), &(proc_state_ptr->proc_resident)); |
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proc_state_ptr->proc_resident = proc_state_ptr->proc_resident * getpagesize(); |
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if(s == 'S') proc_state_ptr->state = SLEEPING; |
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if(s == 'R') proc_state_ptr->state = RUNNING; |
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mib[2] = KERN_PROC_ALL; |
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|
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if(sysctl(mib, 3, NULL, &size, NULL, 0) < 0) { |
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return NULL; |
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return -1; |
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} |
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|
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procs = size / sizeof(struct kinfo_proc); |
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|
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kp_stats = malloc(size); |
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if(kp_stats == NULL) { |
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return NULL; |
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return -1; |
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} |
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|
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if(sysctl(mib, 3, kp_stats, &size, NULL, 0) < 0) { |
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free(kp_stats); |
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return NULL; |
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> |
return -1; |
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} |
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|
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#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD) |
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< |
kvmd = kvm_openfiles(_PATH_DEVNULL, _PATH_DEVNULL, NULL, O_RDONLY, NULL); |
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> |
kvmd = get_kvm2(); |
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#endif |
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|
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for (i = 0; i < procs; i++) { |
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proc_state = realloc(proc_state, |
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(1+proc_state_size)*sizeof(proc_state_t)); |
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if(proc_state == NULL ) { |
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< |
return NULL; |
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> |
return -1; |
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} |
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proc_state_ptr = proc_state+proc_state_size; |
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|
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|
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#ifdef FREEBSD5 |
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if(sysctlbyname("kern.ps_arg_cache_limit", &buflen, &size, NULL, 0) < 0) { |
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< |
return NULL; |
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> |
return -1; |
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} |
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#else |
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mib[1] = KERN_ARGMAX; |
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|
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if(sysctl(mib, 2, &buflen, &size, NULL, 0) < 0) { |
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< |
return NULL; |
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> |
return -1; |
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} |
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#endif |
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|
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proctitle = malloc(buflen); |
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if(proctitle == NULL) { |
282 |
< |
return NULL; |
282 |
> |
return -1; |
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} |
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|
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size = buflen; |
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proc_state_ptr->proctitle = NULL; |
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} |
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else if(size > 0) { |
301 |
< |
proc_state_ptr->proctitle = malloc(size); |
301 |
> |
proc_state_ptr->proctitle = malloc(size+1); |
302 |
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if(proc_state_ptr->proctitle == NULL) { |
303 |
< |
return NULL; |
303 |
> |
return -1; |
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} |
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p = proctitle; |
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proc_state_ptr->proctitle[0] = NULL; |
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do { |
308 |
< |
strncat(proc_state_ptr->proctitle, p, strlen(p)); |
309 |
< |
strncat(proc_state_ptr->proctitle, " ", 1); |
308 |
> |
strlcat(proc_state_ptr->proctitle, p, size+1); |
309 |
> |
strlcat(proc_state_ptr->proctitle, " ", size+1); |
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p += strlen(p) + 1; |
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} while (p < proctitle + size); |
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free(proctitle); |
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< |
proc_state_ptr->proctitle[strlen(proc_state_ptr->proctitle)-1] = NULL; |
313 |
> |
/* remove trailing space */ |
314 |
> |
proc_state_ptr->proctitle[strlen(proc_state_ptr->proctitle)-1] = '\0'; |
315 |
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} |
316 |
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else { |
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free(proctitle); |
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alloc = 1; |
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proctitle = malloc(alloc); |
326 |
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if(proctitle == NULL) { |
327 |
< |
return NULL; |
327 |
> |
return -1; |
328 |
|
} |
329 |
|
while(*args != NULL) { |
330 |
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if(strlen(proctitle) + strlen(*args) >= alloc) { |
331 |
< |
alloc = (alloc + strlen(*args)) << 1; |
332 |
< |
proctitle = realloc(proctitle, alloc); |
333 |
< |
if(proctitle == NULL) { |
334 |
< |
return NULL; |
331 |
> |
alloc = (alloc + strlen(*args)) * 2; |
332 |
> |
proctitletmp = realloc(proctitle, alloc); |
333 |
> |
if(proctitletmp == NULL) { |
334 |
> |
return -1; |
335 |
|
} |
336 |
+ |
proctitle = proctitletmp; |
337 |
|
} |
338 |
< |
strncat(proctitle, *args, strlen(*args)); |
339 |
< |
strncat(proctitle, " ", 1); |
338 |
> |
strlcat(proctitle, *args, alloc); |
339 |
> |
strlcat(proctitle, " ", alloc); |
340 |
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args++; |
341 |
|
} |
342 |
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/* remove trailing space */ |
343 |
< |
proctitle[strlen(proctitle)-1] = NULL; |
343 |
> |
proctitle[strlen(proctitle)-1] = '\0'; |
344 |
|
proc_state_ptr->proctitle = proctitle; |
345 |
|
} |
346 |
|
else { |
453 |
|
free(kp_stats); |
454 |
|
#endif |
455 |
|
|
456 |
+ |
#ifdef CYGWIN |
457 |
+ |
return -1; |
458 |
+ |
#endif |
459 |
+ |
|
460 |
|
*ps = proc_state; |
461 |
|
return proc_state_size; |
462 |
|
} |
474 |
|
|
475 |
|
ps_size = get_proc_snapshot(&ps); |
476 |
|
|
477 |
< |
if(ps_size == NULL) { |
477 |
> |
if(ps_size < 0) { |
478 |
|
return NULL; |
479 |
|
} |
480 |
|
|
481 |
|
for(x = 0; x < ps_size; x++) { |
482 |
|
switch (ps->state) { |
473 |
– |
/* currently no mapping for UNKNOWN in process_stat_t */ |
483 |
|
case RUNNING: |
484 |
|
process_stat.running++; |
485 |
|
break; |
491 |
|
break; |
492 |
|
case ZOMBIE: |
493 |
|
process_stat.zombie++; |
494 |
+ |
break; |
495 |
+ |
default: |
496 |
+ |
/* currently no mapping for UNKNOWN in process_stat_t */ |
497 |
|
break; |
498 |
|
} |
499 |
|
ps++; |