CLOSEFROM(2) | System Calls Manual | CLOSEFROM(2) |
closefrom
— delete
many descriptors
#include
<unistd.h>
int
closefrom
(int
fd);
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.
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.
closefrom
() will fail if:
closefrom
() is a
BSD and Solaris extension.
The closefrom
() function first appeared in
Solaris 9 and has been available since OpenBSD
3.5.
May 31, 2019 | OpenBSD-current |