Zig 0.17.0-dev (Split by item)

This is an example of documentation generated by ZigDoc, an alternative to Zig's built-in Auto Doc feature. See also examples in other modes/formats. The project being documented here (as the example) is the Zig library itself.

mprotectLinux

mman.mprotectLinux

fn mprotectLinux(addr: *anyopaque, len: usize, prot: c_int) callconv(.c) c_int

File

lib/c/sys/mman.zig:44

Code

fn mprotectLinux(addr: *anyopaque, len: usize, prot: c_int) callconv(.c) c_int {
    const page_size = std.heap.pageSize();
    const start = std.mem.alignBackward(usize, @intFromPtr(addr), page_size);
    const aligned_len = std.mem.alignForward(usize, len, page_size);
    return errno(std.os.linux.mprotect(@ptrFromInt(start), aligned_len, @bitCast(prot)));
}