io_closeonexec man page

io_closeonexec — mark a file descriptor non-inheritable

Syntax

#include <io.h>

void io_closeonexec(int64 fd);

Description

io_closeonexec marks a file descriptor non-inheritable. It will be automatically closed if the process executes a different one. The descriptor will not be automatically closed when you fork() a new child process, though.

See Also

io_wait(3), io_canwrite(3)

Info