sys_futex_wait

hermit::syscalls

Function sys_futex_wait 

Source 
#[unsafe(no_mangle)]
pub unsafe extern "C" fn sys_futex_wait(
    address: *mut u32,
    expected: u32,
    timeout: *const timespec,
    flags: u32,
) -> i32
Expand description

Like synch::futex_wait, but does extra sanity checks and takes a timespec.

Returns -EINVAL if

  • address is null
  • timeout is negative
  • flags contains unknown flags