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IDR_GET_NEW(9) Basic Kernel Library Functions IDR_GET_NEW(9)

NAME

idr_get_new - allocate new idr entry

SYNOPSIS

int idr_get_new(struct idr * idp, void * ptr, int * id);

ARGUMENTS

idp
idr handle
ptr
pointer you want associated with the id
id
pointer to the allocated handle

DESCRIPTION

If allocation from IDR's private freelist fails, idr_get_new_above will return -EAGAIN. The caller should retry the idr_pre_get call to refill IDR's preallocation and then retry the idr_get_new_above call.
If the idr is full idr_get_new_above will return -ENOSPC.
 
id returns a value in the range 0 ... 0x7fffffff

COPYRIGHT

March 2016 Kernel Hackers Manual 3.2.