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Fail gracefully when /proc is not mounted

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(thanks to Philipp Hagemeister)
This commit is contained in:
Hisham Muhammad
2012-10-19 18:59:48 +00:00
parent 47e881f460
commit 1b21827f1f
4 changed files with 22 additions and 3 deletions
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12
ProcessList.c
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@ -193,7 +193,9 @@ ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* pidWhiteList) {
this->processes2 = Vector_new(PROCESS_CLASS, true, DEFAULT_SIZE, Process_compare);
FILE* file = fopen(PROCSTATFILE, "r");
assert(file != NULL);
if (file == NULL) {
CRT_fatalError("Cannot open " PROCSTATFILE);
}
char buffer[256];
int cpus = -1;
do {
@ -758,7 +760,9 @@ void ProcessList_scan(ProcessList* this) {
unsigned long long int swapFree = 0;
FILE* file = fopen(PROCMEMINFOFILE, "r");
assert(file != NULL);
if (file == NULL) {
CRT_fatalError("Cannot open " PROCMEMINFOFILE);
}
int cpus = this->cpuCount;
{
char buffer[128];
@ -796,7 +800,9 @@ void ProcessList_scan(ProcessList* this) {
fclose(file);
file = fopen(PROCSTATFILE, "r");
assert(file != NULL);
if (file == NULL) {
CRT_fatalError("Cannot open " PROCSTATFILE);
}
for (int i = 0; i <= cpus; i++) {
char buffer[256];
int cpuid;