Function fork [src]

Prototype

pub fn fork() ForkError!pid_t

Possible Errors

SystemResources

The Operating System returned an undocumented error code.

This error is in theory not possible, but it would be better to handle this error than to invoke undefined behavior.

When this error code is observed, it usually means the Zig Standard Library needs a small patch to add the error code to the error set for the respective function.

Source

  pub fn fork() ForkError!pid_t {
    const rc = system.fork();
    switch (errno(rc)) {
        .SUCCESS => return @intCast(rc),
        .AGAIN => return error.SystemResources,
        .NOMEM => return error.SystemResources,
        else => |err| return unexpectedErrno(err),
    }
}  