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.TH io_closeonexec 3
.SH NAME
io_closeonexec \- mark a file descriptor non-inheritable
.SH SYNTAX
.B #include <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)