NAME
closefrom —
delete many descriptors
SYNOPSIS
#include
<unistd.h>
int
closefrom(int
fd);
DESCRIPTION
The
closefrom()
call deletes all descriptors numbered fd and higher
from the per-process file descriptor table. It is effectively the same as
calling close(2) on each descriptor.
RETURN VALUES
Upon successful completion, the value 0 is returned; otherwise the value -1 is returned and the global variable errno is set to indicate the error.
ERRORS
closefrom() will fail if:
- [
EBADF] - fd is greater than all open file descriptors.
- [
EINTR] - An interrupt was received.
SEE ALSO
STANDARDS
closefrom() is a
BSD and Solaris extension.
HISTORY
The closefrom() call first appeared in
OpenBSD 3.5.