mirror of https://github.com/xzeldon/htop.git
Linux: allocate cpuData before reading cpu count.
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@ -174,16 +174,19 @@ static void LinuxProcessList_updateCPUcount(ProcessList* super) {
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LinuxProcessList* this = (LinuxProcessList*) super;
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unsigned int existing = 0, active = 0;
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DIR* dir = opendir("/sys/devices/system/cpu");
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if (!dir) {
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// Initialize the cpuData array before anything else.
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if (!this->cpuData) {
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this->cpuData = xReallocArrayZero(this->cpuData, super->existingCPUs ? (super->existingCPUs + 1) : 0, 2, sizeof(CPUData));
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this->cpuData[0].online = true; /* average is always "online" */
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this->cpuData[1].online = true;
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super->activeCPUs = 1;
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super->existingCPUs = 1;
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return;
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}
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DIR* dir = opendir("/sys/devices/system/cpu");
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if (!dir)
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return;
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unsigned int currExisting = super->existingCPUs;
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const struct dirent* entry;
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@ -233,6 +236,10 @@ static void LinuxProcessList_updateCPUcount(ProcessList* super) {
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closedir(dir);
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// return if no CPU is found
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if (existing < 1)
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return;
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#ifdef HAVE_SENSORS_SENSORS_H
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/* When started with offline CPUs, libsensors does not monitor those,
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* even when they become online. */
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