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Plug mem leak, improve CPU enumeration logic

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I think this leak may still exist in the FreeBSD port.
This commit is contained in:
Michael McConville 2016-01-03 16:56:33 -05:00
parent be9edc5d43
commit 198592a0f1
1 changed files with 8 additions and 4 deletions
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12
openbsd/OpenBSDProcessList.c
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@ -48,19 +48,21 @@ static long fscale;
ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* pidWhiteList, uid_t userId) {
int mib[] = { CTL_HW, HW_NCPU };
int fmib[] = { CTL_KERN, KERN_FSCALE };
int i;
int i, e;
OpenBSDProcessList* fpl = calloc(1, sizeof(OpenBSDProcessList));
ProcessList* pl = (ProcessList*) fpl;
size_t size = sizeof(pl->cpuCount);
ProcessList_init(pl, Class(OpenBSDProcess), usersTable, pidWhiteList, userId);
pl->cpuCount = 1; // default to 1 on sysctl() error
(void)sysctl(mib, 2, &pl->cpuCount, &size, NULL, 0);
e = sysctl(mib, 2, &pl->cpuCount, &size, NULL, 0);
if (e == -1 || pl->cpuCount < 1) {
pl->cpuCount = 1;
}
fpl->cpus = realloc(fpl->cpus, pl->cpuCount * sizeof(CPUData));
size = sizeof(fscale);
if (sysctl(fmib, 2, &fscale, &size, NULL, 0) < 0)
err(1, "fscale sysctl call failed");
err(1, "fscale sysctl call failed");
for (i = 0; i < pl->cpuCount; i++) {
fpl->cpus[i].totalTime = 1;
@ -80,6 +82,8 @@ void ProcessList_delete(ProcessList* this) {
const OpenBSDProcessList* fpl = (OpenBSDProcessList*) this;
if (fpl->kd) kvm_close(fpl->kd);
free(fpl->cpus);
ProcessList_done(this);
free(this);
}