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Merge branch 'main' (Linux: fix crash in LXD, fixes #965) of er-azh/htop into main

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This commit is contained in:
Daniel Lange 2022-04-02 12:38:00 +02:00
commit 8b927ba596
1 changed files with 12 additions and 5 deletions
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17
linux/LinuxProcessList.c
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@ -174,21 +174,24 @@ static void LinuxProcessList_updateCPUcount(ProcessList* super) {
LinuxProcessList* this = (LinuxProcessList*) super;
unsigned int existing = 0, active = 0;
DIR* dir = opendir("/sys/devices/system/cpu");
if (!dir) {
this->cpuData = xReallocArrayZero(this->cpuData, super->existingCPUs ? (super->existingCPUs + 1) : 0, 2, sizeof(CPUData));
// Initialize the cpuData array before anything else.
if (!this->cpuData) {
this->cpuData = xCalloc(2, sizeof(CPUData));
this->cpuData[0].online = true; /* average is always "online" */
this->cpuData[1].online = true;
super->activeCPUs = 1;
super->existingCPUs = 1;
return;
}
DIR* dir = opendir("/sys/devices/system/cpu");
if (!dir)
return;
unsigned int currExisting = super->existingCPUs;
const struct dirent* entry;
while ((entry = readdir(dir)) != NULL) {
if (entry->d_type != DT_DIR)
if (entry->d_type != DT_DIR && entry->d_type != DT_UNKNOWN)
continue;
if (!String_startsWith(entry->d_name, "cpu"))
@ -233,6 +236,10 @@ static void LinuxProcessList_updateCPUcount(ProcessList* super) {
closedir(dir);
// return if no CPU is found
if (existing < 1)
return;
#ifdef HAVE_SENSORS_SENSORS_H
/* When started with offline CPUs, libsensors does not monitor those,
* even when they become online. */