Skip to main content

sys_wait

strat9_kernel::syscall::wait

Function sys_wait 

Source 
pub fn sys_wait(waitmsg_ptr: u64) -> Result<u64, SyscallError>
Expand description

SYS_PROC_WAIT (311): Plan 9-style wait — any child, writes full Waitmsg.

Arguments:

  • waitmsg_ptr: userspace pointer to a Waitmsg struct (80 bytes). Pass 0 to discard.

Returns the child task ID on success.

Errors: -ECHILD, -EINTR.