Zig 0.17.0-dev (Split by item)

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systemBasicInformation

Threaded.systemBasicInformation

fn systemBasicInformation(t: *Threaded) ?*const windows.SYSTEM.BASIC_INFORMATION

File

lib/std/Io/Threaded.zig:4036

Code

fn systemBasicInformation(t: *Threaded) ?*const windows.SYSTEM.BASIC_INFORMATION {
    if (!t.system_basic_information.initialized.load(.acquire)) {
        mutexLock(&t.mutex);
        defer mutexUnlock(&t.mutex);

        switch (windows.ntdll.NtQuerySystemInformation(
            .Basic,
            &t.system_basic_information.buffer,
            @sizeOf(windows.SYSTEM.BASIC_INFORMATION),
            null,
        )) {
            .SUCCESS => {},
            else => return null,
        }

        t.system_basic_information.initialized.store(true, .release);
    }
    return &t.system_basic_information.buffer;
}