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Merge pull request #435 from mmcco/freebsd 

Improve error reporting on FreeBSD libkvm call
This commit is contained in:
Hisham Muhammad 2016-03-07 16:35:59 -03:00
parent 63c55854e5 b886ecc479
commit 4623394456
1 changed files with 8 additions and 4 deletions
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12
freebsd/FreeBSDProcessList.c
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@ -14,7 +14,9 @@ in the source distribution for its full text.
#include <sys/types.h>
#include <sys/sysctl.h>
#include <sys/user.h>
#include <err.h>
#include <fcntl.h>
#include <limits.h>
#include <string.h>
/*{
@ -86,12 +88,12 @@ static int kernelFScale;
ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* pidWhiteList, uid_t userId) {
size_t len;
char errbuf[_POSIX2_LINE_MAX];
FreeBSDProcessList* fpl = xCalloc(1, sizeof(FreeBSDProcessList));
ProcessList* pl = (ProcessList*) fpl;
ProcessList_init(pl, Class(FreeBSDProcess), usersTable, pidWhiteList, userId);
size_t len;
// physical memory in system: hw.physmem
// physical page size: hw.pagesize
// usable pagesize : vm.stats.vm.v_page_size
@ -178,8 +180,10 @@ ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* pidWhiteList, ui
kernelFScale = 2048;
}
fpl->kd = kvm_open(NULL, "/dev/null", NULL, 0, NULL);
assert(fpl->kd);
fpl->kd = kvm_openfiles(NULL, "/dev/null", NULL, 0, errbuf);
if (fpl->kd == NULL) {
errx(1, "kvm_open: %s", errbuf);
}
return pl;
}