Zig 0.17.0-dev (Split by item)

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clock_gettime

linux.clock_gettime

pub fn clock_gettime(clk_id: clockid_t, tp: *timespec) usize

File

lib/std/os/linux.zig:2143

Code

pub fn clock_gettime(clk_id: clockid_t, tp: *timespec) usize {
    if (VDSO != void) {
        const ptr = @atomicLoad(?VdsoClockGettime, &vdso_clock_gettime, .unordered);
        if (ptr) |f| {
            const rc = f(clk_id, tp);
            switch (rc) {
                0, @as(usize, @bitCast(-@as(isize, @backingInt(E.INVAL)))) => return rc,
                else => {},
            }
        }
    }
    return syscall2(
        if (@hasField(SYS, "clock_gettime") and native_arch != .hexagon) .clock_gettime else .clock_gettime64,
        @backingInt(clk_id),
        @intFromPtr(tp),
    );
}