/********************************************************************* * * Filename: irqueue.h * Version: 0.3 * Description: General queue implementation * Status: Experimental. * Author: Dag Brattli * Created at: Tue Jun 9 13:26:50 1998 * Modified at: Thu Oct 7 13:25:16 1999 * Modified by: Dag Brattli * * Copyright (C) 1998-1999, Aage Kvalnes * Copyright (c) 1998, Dag Brattli * All Rights Reserved. * * This code is taken from the Vortex Operating System written by Aage * Kvalnes and has been ported to Linux and Linux/IR by Dag Brattli * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * Neither Dag Brattli nor University of Tromsø admit liability nor * provide warranty for any of this software. This material is * provided "AS-IS" and at no charge. * ********************************************************************/ #include #include #ifndef IRDA_QUEUE_H #define IRDA_QUEUE_H #define NAME_SIZE 32 /* * Hash types (some flags can be xored) * See comments in irqueue.c for which one to use... */ #define HB_NOLOCK 0 /* No concurent access prevention */ #define HB_LOCK 1 /* Prevent concurent write with global lock */ /* * Hash defines */ #define HASHBIN_SIZE 8 #define HASHBIN_MASK 0x7 #ifndef IRDA_ALIGN #define IRDA_ALIGN __attribute__((aligned)) #endif #define Q_NULL { NULL, NULL, "", 0 } typedef void (*FREE_FUNC)(void *arg); struct irda_queue { struct irda_queue *q_next; struct irda_queue *q_prev; char q_name[NAME_SIZE]; long q_hash; /* Must be able to cast a (void *) */ }; typedef struct irda_queue irda_queue_t; typedef struct hashbin_t { __u32 magic; int hb_type; int hb_size; spinlock_t hb_spinlock; /* HB_LOCK - Can be used by the user */ irda_queue_t* hb_queue[HASHBIN_SIZE] IRDA_ALIGN; irda_queue_t* hb_current; } hashbin_t; hashbin_t *hashbin_new(int type); int hashbin_delete(hashbin_t* hashbin, FREE_FUNC func); int hashbin_clear(hashbin_t* hashbin, FREE_FUNC free_func); void hashbin_insert(hashbin_t* hashbin, irda_queue_t* entry, long hashv, const char* name); void* hashbin_remove(hashbin_t* hashbin, long hashv, const char* name); void* hashbin_remove_first(hashbin_t *hashbin); void* hashbin_remove_this( hashbin_t* hashbin, irda_queue_t* entry); void* hashbin_find(hashbin_t* hashbin, long hashv, const char* name); void* hashbin_lock_find(hashbin_t* hashbin, long hashv, const char* name); void* hashbin_find_next(hashbin_t* hashbin, long hashv, const char* name, void ** pnext); irda_queue_t *hashbin_get_first(hashbin_t *hashbin); irda_queue_t *hashbin_get_next(hashbin_t *hashbin); #define HASHBIN_GET_SIZE(hashbin) hashbin->hb_size #endif >context:space:mode:
authorOliver Hartkopp <socketcan@hartkopp.net>2017-01-18 21:30:51 +0100
committerMarc Kleine-Budde <mkl@pengutronix.de>2017-01-30 11:05:04 +0100
commita06393ed03167771246c4c43192d9c264bc48412 (patch)
tree31a3d03c374065a64e12f25cf628b7aa8edb8159 /net/ceph
parentd1156b489fa734d1af763d6a07b1637c01bb0aed (diff)
can: bcm: fix hrtimer/tasklet termination in bcm op removal
When removing a bcm tx operation either a hrtimer or a tasklet might run. As the hrtimer triggers its associated tasklet and vice versa we need to take care to mutually terminate both handlers. Reported-by: Michael Josenhans <michael.josenhans@web.de> Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net> Tested-by: Michael Josenhans <michael.josenhans@web.de> Cc: linux-stable <stable@vger.kernel.org> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'net/ceph')