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/*
* cleanup.c
*
* Description:
* This translation unit implements routines associated cleaning up
* threads.
*/
#include "pthread.h"
#include "implement.h"
void
_pthread_handler_push(_pthread_handler_node_t ** stacktop,
int poporder,
void (*routine)(void *),
void *arg)
{
/* Place the new handler into the list so that handlers are
popped off in the order given by poporder. */
_pthread_handler_node_t * new;
_pthread_handler_node_t * next;
new = (_pthread_handler_node_t *) malloc(sizeof(_pthread_handler_node_t));
if (new == NULL)
{
/* FIXME: INTERNAL ERROR */
}
new->routine = routine;
new->arg = arg;
if (poporder == _PTHREAD_HANDLER_POP_LIFO)
{
/* Add the new node to the start of the list. */
new->next = *stacktop;
stacktop = next;
}
else
{
/* Add the new node to the end of the list. */
new->next = NULL;
if (*stacktop == NULL)
{
*stacktop = new;
}
else
{
next = *stacktop;
while (next != NULL)
{
next = next->next;
}
next = new;
}
}
}
void
_pthread_handler_pop(_pthread_handler_node_t ** stacktop,
int execute)
{
_pthread_handler_node_t * handler = *stacktop;
if (handler != NULL)
{
void (* func)(void *) = handler->routine;
void * arg = handler->arg;
*stacktop = handler->next;
free(handler);
if (execute != 0 && func != NULL)
{
(void) func(arg);
}
}
}
void
_pthread_handler_pop_all(_pthread_handler_node_t ** stacktop,
int execute)
{
/* Pop and run all handlers on the given stack. */
while (*stacktop != NULL)
{
_pthread_handler_pop(stacktop, execute);
}
}
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