Non-Invasive extensions added to WASI

WASIX extended Functions

• The ability to duplicate file handles
  • fd_dup
• polling functions that can be interrupted by libraries such as tokio and mio
  • fd_event
• Pipes to stream data to and from subprocesses
  • fd_pipe
• Ability to yield CPU time without the bloat of poll_oneoff
  • sched_yield
• Getting and setting the TTY properties
  • tty_get
  • tty_set
• Changing the current directory is now natively supported
  • getcwd
  • chdir
• Signals can be blocked (needed by libc)
  • callback_signal
• Spawning threads as per the experimental threads spec
  • thread_spawn
• Extra thread functions
  • thread_sleep
  • thread_id
  • thread_join
  • thread_parallelism
  • thread_signal
  • thread_exit
• Operating system futex support used for multithread constructs
  • futex_wait
  • futex_wake
  • futex_wake_all
• Longjmp and setjmp used by libc
  • stack_checkpoint
  • stack_restore
• Subprocess support
  • proc_raise_interval
  • proc_fork
  • proc_exec
  • proc_spawn
  • proc_id
  • proc_parent
  • proc_join
  • proc_signal
• Interface support
  • port_bridge
  • port_unbridge
  • port_dhcp_acquire
  • port_addr_add
  • port_addr_remove
  • port_addr_clear
  • port_mac
  • port_addr_list
  • port_gateway_set
  • port_route_add
  • port_route_remove
  • port_route_clear
  • port_route_list
• All the missing socket functionality
  • sock_status
  • sock_addr_local
  • sock_addr_peer
  • sock_open
  • sock_set_opt_flag
  • sock_get_opt_flag
  • sock_set_opt_time
  • sock_get_opt_time
  • sock_set_opt_size
  • sock_get_opt_size
  • sock_join_multicast_v4
  • sock_leave_multicast_v4
  • sock_join_multicast_v6
  • sock_leave_multicast_v6
  • sock_bind
  • sock_listen
  • sock_accept_v2
  • sock_connect
  • sock_recv_from
  • sock_send_to
  • sock_send_file
• Ability to perform DNS queries
  • resolve

WASIX extended extra Functions

• clock_time_set