Zig 0.17.0-dev (Split by item)

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msync

posix.msync

pub fn msync(memory: []align(page_size_min) u8, flags: i32) MSyncError!void

File

lib/std/posix.zig:734

Code

pub fn msync(memory: []align(page_size_min) u8, flags: i32) MSyncError!void {
    switch (errno(system.msync(memory.ptr, memory.len, flags))) {
        .SUCCESS => return,
        .PERM => return error.PermissionDenied,
        .NOMEM => return error.UnmappedMemory, // Unsuccessful, provided pointer does not point mapped memory
        .INVAL => unreachable, // Invalid parameters.
        else => unreachable,
    }
}