Zig 0.17.0-dev (Split by item)

Shortcut keys
?
Show these tips
S
Focus search field
Esc
Clear focus & close tips
U
Jump to source code
↑
Move up in search results
↓
Move down in search results
↵
Go to active search result
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 standard library. Public Function

map_update_elem

Public Function
std.os.linux.bpf.map_update_elem
pub fn map_update_elem(fd: fd_t, key: []const u8, value: []const u8, flags: u64) !void

Params

  • fd: fd_t
  • key: []const u8
  • value: []const u8
  • flags: u64

File

os/linux/bpf.zig:1658
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
pub fn map_update_elem(fd: fd_t, key: []const u8, value: []const u8, flags: u64) !void {
    var attr = Attr{
        .map_elem = std.mem.zeroes(MapElemAttr),
    };

    attr.map_elem.map_fd = fd;
    attr.map_elem.key = @intFromPtr(key.ptr);
    attr.map_elem.result = .{ .value = @intFromPtr(value.ptr) };
    attr.map_elem.flags = flags;

    const rc = linux.bpf(.map_update_elem, &attr, @sizeOf(MapElemAttr));
    switch (errno(rc)) {
        .SUCCESS => return,
        .@"2BIG" => return error.ReachedMaxEntries,
        .BADF => return error.BadFd,
        .FAULT => unreachable,
        .INVAL => return error.FieldInAttrNeedsZeroing,
        .NOMEM => return error.SystemResources,
        .PERM => return error.PermissionDenied,
        else => |err| return unexpectedErrno(err),
    }
}