/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* vim: set ts=8 sts=2 et sw=2 tw=80: */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/* The first few lines of meminfo look something like this: * MemTotal: 65663448 kB * MemFree: 57368112 kB * MemAvailable: 61852700 kB * We mostly care about the available versus the total. We calculate our * memory thresholds using this, and when memory drops below 5% we consider * this to be a memory pressure event. In practice these lines aren't * necessarily in order, but we can simply search for MemTotal * and MemAvailable.
*/ char namebuffer[20]; while ((fgets(buff, sizeof(buff), fd)) != nullptr) { if (strstr(buff, "MemTotal:")) {
sscanf(buff, "%s %lu ", namebuffer, &aResult.memTotal);
} if (strstr(buff, "MemAvailable:")) {
sscanf(buff, "%s %lu ", namebuffer, &aResult.memAvailable);
}
}
fclose(fd); return NS_OK;
}
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