X-Git-Url: http://rtime.felk.cvut.cz/gitweb/lincan.git/blobdiff_plain/11132ea490f9e860744ee4f851c67e7fb4444231..2827b727d2910a3b48f9de7d67b3a67f59e256c7:/lincan/src/close.c diff --git a/lincan/src/close.c b/lincan/src/close.c index b1146be..9042ff2 100644 --- a/lincan/src/close.c +++ b/lincan/src/close.c @@ -7,29 +7,23 @@ * Version lincan-0.2 9 Jul 2003 */ -#define __NO_VERSION__ -#include - -#include - -#include -#include -#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0)) -#include -#else -#include -#endif - +#include "../include/can.h" +#include "../include/can_sysdep.h" #include "../include/main.h" #include "../include/close.h" #include "../include/i82527.h" #include "../include/setup.h" +#include "../include/fasync.h" + +#define __NO_VERSION__ +#include int can_close(struct inode *inode, struct file *file) { struct canuser_t *canuser = (struct canuser_t*)(file->private_data); struct canque_ends_t *qends; struct msgobj_t *obj; + can_spin_irqflags_t iflags; if(!canuser || (canuser->magic != CAN_USER_MAGIC)){ CANMSG("can_close: bad canuser magic\n"); @@ -38,21 +32,29 @@ int can_close(struct inode *inode, struct file *file) obj = canuser->msgobj; qends = canuser->qends; + + #ifdef CAN_ENABLE_KERN_FASYNC + + can_fasync(-1, file, 0); + + #endif /*CAN_ENABLE_KERN_FASYNC*/ + can_spin_lock_irqsave(&canuser_manipulation_lock, iflags); list_del(&canuser->peers); - canqueue_ends_done_kern(qends, 1); + can_spin_unlock_irqrestore(&canuser_manipulation_lock, iflags); canuser->qends = NULL; - kfree(qends); + canqueue_ends_dispose_kern(qends, file->f_flags & O_SYNC); kfree(canuser); + can_spin_lock_irqsave(&canuser_manipulation_lock, iflags); if(atomic_dec_and_test(&obj->obj_used)){ - obj->flags &= ~OBJ_OPENED; - /* FIXME: what about clearing chip HW status, stopping sending messages etc? */ + can_msgobj_clear_fl(obj,OPENED); }; + can_spin_unlock_irqrestore(&canuser_manipulation_lock, iflags); -#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,50)) + #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,50)) MOD_DEC_USE_COUNT; -#endif + #endif return 0; }