.TH io_closeonexec 3
.SH NAME
io_closeonexec \- mark a file descriptor non-inheritable
.SH SYNTAX
.B #include <libowfat/io.h>

void \fBio_closeonexec\fP(int64 fd);
.SH 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.
.SH "SEE ALSO"
io_wait(3), io_canwrite(3)