closefrom(3) - NetBSD Manual Pages

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CLOSEFROM(3)            NetBSD Library Functions Manual           CLOSEFROM(3)


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, a value of 0 is returned.  Otherwise, a value
     of -1 is returned and errno is set to indicate the error.


ERRORS

     closefrom() will fail if:

     [EBADF]            fd is invalid.

     [EINTR]            An interrupt was received.


SEE ALSO

     close(2)


HISTORY

     This function first appeared in NetBSD 3.

NetBSD 10.99                   November 9, 2022                   NetBSD 10.99