nstd_proc_spawn

nstd_sys::proc

Function nstd_proc_spawn 

Source 
#[unsafe(no_mangle)]
pub unsafe extern "C" fn nstd_proc_spawn(
    program: &NSTDStr,
    args: &NSTDSlice,
    vars: &NSTDSlice,
) -> NSTDOptionalChildProcess
Available on crate feature proc only.
Expand description

Spawns a new child process with the name program and returns a handle to it.

§Parameters:

  • const NSTDStr *program - A path to the program to run as a child process.

  • const NSTDSlice *args - A slice of NSTDStr arguments to pass to the program.

  • const NSTDSlice *vars - A slice of NSTDStr[2] key/value environment variables to give to the program.

§Returns

NSTDOptionalChildProcess child - A handle to the new child process on success, or an uninitialized “none” variant if spawning the child process fails.

§Safety

The user must ensure that all of program, args, and vars and their data remain valid for reads while this function is executing.