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Diffstat (limited to '')
| -rw-r--r-- | doc/tools/pdl2texi/chain.c | 229 |
1 files changed, 0 insertions, 229 deletions
diff --git a/doc/tools/pdl2texi/chain.c b/doc/tools/pdl2texi/chain.c deleted file mode 100644 index 10c96308e9..0000000000 --- a/doc/tools/pdl2texi/chain.c +++ /dev/null @@ -1,229 +0,0 @@ -/* - * Chain Handler - * - * COPYRIGHT (c) 1997. - * On-Line Applications Research Corporation (OAR). - * All rights reserved. - * - * $Id$ - */ - -#include "system.h" -#include "address.h" -#include "chain.h" -#include "isr.h" - -/*PAGE - * - * _Chain_Initialize - * - * This kernel routine initializes a doubly linked chain. - * - * Input parameters: - * the_chain - pointer to chain header - * starting_address - starting address of first node - * number_nodes - number of nodes in chain - * node_size - size of node in bytes - * - * Output parameters: NONE - */ - -void _Chain_Initialize( - Chain_Control *the_chain, - void *starting_address, - unsigned32 number_nodes, - unsigned32 node_size -) -{ - unsigned32 count; - Chain_Node *current; - Chain_Node *next; - - count = number_nodes; - current = _Chain_Head( the_chain ); - the_chain->permanent_null = NULL; - next = (Chain_Node *)starting_address; - while ( count-- ) { - current->next = next; - next->previous = current; - current = next; - next = (Chain_Node *) - _Addresses_Add_offset( (void *) next, node_size ); - } - current->next = _Chain_Tail( the_chain ); - the_chain->last = current; -} - -/*PAGE - * - * _Chain_Get_first_unprotected - */ - -#ifndef USE_INLINES -STATIC INLINE Chain_Node *_Chain_Get_first_unprotected( - Chain_Control *the_chain -) -{ - Chain_Node *return_node; - Chain_Node *new_first; - - return_node = the_chain->first; - new_first = return_node->next; - the_chain->first = new_first; - new_first->previous = _Chain_Head( the_chain ); - - return return_node; -} -#endif /* USE_INLINES */ - -/*PAGE - * - * _Chain_Get - * - * This kernel routine returns a pointer to a node taken from the - * given chain. - * - * Input parameters: - * the_chain - pointer to chain header - * - * Output parameters: - * return_node - pointer to node in chain allocated - * CHAIN_END - if no nodes available - * - * INTERRUPT LATENCY: - * only case - */ - -Chain_Node *_Chain_Get( - Chain_Control *the_chain -) -{ - ISR_Level level; - Chain_Node *return_node; - - return_node = NULL; - _ISR_Disable( level ); - if ( !_Chain_Is_empty( the_chain ) ) - return_node = _Chain_Get_first_unprotected( the_chain ); - _ISR_Enable( level ); - return return_node; -} - -/*PAGE - * - * _Chain_Append - * - * This kernel routine puts a node on the end of the specified chain. - * - * Input parameters: - * the_chain - pointer to chain header - * node - address of node to put at rear of chain - * - * Output parameters: NONE - * - * INTERRUPT LATENCY: - * only case - */ - -void _Chain_Append( - Chain_Control *the_chain, - Chain_Node *node -) -{ - ISR_Level level; - - _ISR_Disable( level ); - _Chain_Append_unprotected( the_chain, node ); - _ISR_Enable( level ); -} - -/*PAGE - * - * _Chain_Extract - * - * This kernel routine deletes the given node from a chain. - * - * Input parameters: - * node - pointer to node in chain to be deleted - * - * Output parameters: NONE - * - * INTERRUPT LATENCY: - * only case - */ - -void _Chain_Extract( - Chain_Node *node -) -{ - ISR_Level level; - - _ISR_Disable( level ); - _Chain_Extract_unprotected( node ); - _ISR_Enable( level ); -} - -/*PAGE - * - * _Chain_Insert - * - * This kernel routine inserts a given node after a specified node - * a requested chain. - * - * Input parameters: - * after_node - pointer to node in chain to be inserted after - * node - pointer to node to be inserted - * - * Output parameters: NONE - * - * INTERRUPT LATENCY: - * only case - */ - -void _Chain_Insert( - Chain_Node *after_node, - Chain_Node *node -) -{ - ISR_Level level; - - _ISR_Disable( level ); - _Chain_Insert_unprotected( after_node, node ); - _ISR_Enable( level ); -} - -/*PAGE - * - * _Chain_Insert_chain - * - * This routine inserts a chain after the specified node in another - * chain. It is assumed that the insert after node is not on the - * second chain. - * - * Input parameters: - * insert_after - insert the chain after this node - * to_insert - the chain to insert - */ - -void _Chain_Insert_chain( - Chain_Node *insert_after, - Chain_Control *to_insert -) -{ - Chain_Node *first; - Chain_Node *last; - Chain_Node *insert_after_next; - - first = to_insert->first; - last = to_insert->last; - - insert_after_next = insert_after->next; - - insert_after->next = first; - first->previous = insert_after; - - insert_after_next->previous = last; - last->next = insert_after_next; - - _Chain_Initialize_empty( to_insert ); -} |