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    Command:

    acl_get_fd

    
    
    
    

    SYNOPSIS

         #include <sys/types.h>
         #include <sys/acl.h>
    
         acl_t
         acl_get_fd(int fd);
    
    
    

    DESCRIPTION

         The acl_get_fd() function retrieves the access ACL associated with the
         file referred to by fd.  The ACL is placed into working storage and
         acl_get_fd() returns a pointer to that storage.
    
         In order to read an ACL from an object, a process must have read access
         to the object's attributes.
    
         This function may cause memory to be allocated.  The caller should free
         any releasable memory, when the new ACL is no longer required, by calling
         acl_free(3) with the (void*)acl_t returned by acl_get_fd() as an argu-
         ment.
    
    
    

    RETURN VALUE

         On success, this function shall return a pointer to the working storage.
         On error, a value of (acl_t)NULL shall be returned, and errno is set
         appropriately.
    
    
    

    ERRORS

         If any of the following conditions occur, the acl_get_fd() function
         returns a value of (acl_t)NULL and sets errno to the corresponding value:
    
         [EBADF]            The fd argument is not a valid file descriptor.
    
         [ENOMEM]           The ACL working storage requires more memory than is
                            allowed by the hardware or system-imposed memory man-
                            agement constraints.
    
         [ENOTSUP]          The file system on which the file identified by fd is
                            located does not support ACLs, or ACLs are disabled.
    
    
    

    STANDARDS

         IEEE Std 1003.1e draft 17 ("POSIX.1e", abandoned)
    
    
    

    SEE ALSO

         acl_free(3), acl_get_entry(3), acl_get_file(3), acl_set_fd(3), acl(5)
    
    
    

    AUTHOR

         Derived from the FreeBSD manual pages written by Robert N M Watson
         <rwatson@FreeBSD.org>, and adapted for Linux by Andreas Gruenbacher
         <a.gruenbacher@bestbits.at>.
    
    
    

    Linux ACL March 23, 2002 Linux ACL

    
    
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