pending.h

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#ifndef _IPXE_PENDING_H
#define _IPXE_PENDING_H

/** @file
 *
 * Pending operations
 *
 */

FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );

/** A pending operation */
struct pending_operation {
        /** Pending count */
        unsigned int count;
};

/**
 * Check if an operation is pending
 *
 * @v pending           Pending operation
 * @ret is_pending      Operation is pending
 */
static inline int is_pending ( struct pending_operation *pending ) {
        return ( pending->count != 0 );
}

extern int pending_total;

/**
 * Check if any operations are pending
 *
 * @ret have_pending    Some operations are pending
 */
static inline int have_pending ( void ) {
        return ( pending_total != 0 );
}

extern void pending_get ( struct pending_operation *pending );
extern void pending_put ( struct pending_operation *pending );

#endif /* _IPXE_PENDING_H */