locks.c

Apache V2.0.15 Alpha For Linuxhttpd-2_0_15-alpha.tar.Z

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 */

#include "beos/locks.h"
#include "apr_strings.h"
#include "apr_portable.h"

apr_status_t apr_lock_create(apr_lock_t **lock, apr_locktype_e type, 
                           apr_lockscope_e scope, const char *fname, 
                           apr_pool_t *cont)
{
    apr_lock_t *new;
    apr_status_t stat;
    
    new = (apr_lock_t *)apr_palloc(cont, sizeof(apr_lock_t));
    if (new == NULL){
        return APR_ENOMEM;
    }
    
    new->cntxt = cont;
    new->type  = type;
    new->scope = scope;

    if (scope != APR_CROSS_PROCESS) {
        if ((stat = create_intra_lock(new)) != APR_SUCCESS) {
            return stat;
        }
    }
    if (scope != APR_INTRAPROCESS) {
        if ((stat = create_inter_lock(new)) != APR_SUCCESS) {
            return stat;
        }
    }
    (*lock) = new;
    return APR_SUCCESS;
}

apr_status_t apr_lock_acquire(apr_lock_t *lock)
{
    apr_status_t stat;
    
    if (lock->scope != APR_CROSS_PROCESS) {
        if ((stat = lock_intra(lock)) != APR_SUCCESS) {
            return stat;
        }
    }
    if (lock->scope != APR_INTRAPROCESS) {
        if ((stat = lock_inter(lock)) != APR_SUCCESS) {
            return stat;
        }
    }
    return APR_SUCCESS;
}

apr_status_t apr_lock_release(apr_lock_t *lock)
{
    apr_status_t stat;
    if (lock->scope != APR_CROSS_PROCESS) {
        if ((stat = unlock_intra(lock)) != APR_SUCCESS) {
            return stat;
        }
    }
    if (lock->scope != APR_INTRAPROCESS) {
        if ((stat = unlock_inter(lock)) != APR_SUCCESS) {
            return stat;
        }
    }
    return APR_SUCCESS;
}

apr_status_t apr_lock_destroy(apr_lock_t *lock)
{
    apr_status_t stat; 
    if (lock->scope != APR_CROSS_PROCESS) {
        if ((stat = destroy_intra_lock(lock)) != APR_SUCCESS) {
            return stat;
        }
    }
    if (lock->scope != APR_INTRAPROCESS) {
        if ((stat = destroy_inter_lock(lock)) != APR_SUCCESS) {
            return stat;
        }
    }
    return APR_SUCCESS;
}

apr_status_t apr_lock_child_init(apr_lock_t **lock, const char *fname, 
			       apr_pool_t *cont)
{
    apr_status_t stat;
    if ((*lock)->scope != APR_CROSS_PROCESS) {
        if ((stat = child_init_lock(lock, cont, fname)) != APR_SUCCESS) {
            return stat;
        }
    }
    return APR_SUCCESS;
}

apr_status_t apr_lock_data_get(apr_lock_t *lock, const char *key, void *data)
{
    return apr_pool_userdata_get(data, key, lock->cntxt);
}

apr_status_t apr_lock_data_set(apr_lock_t *lock, void *data, const char *key,
                            apr_status_t (*cleanup) (void *))
{
    return apr_pool_userdata_set(data, key, cleanup, lock->cntxt);
}

apr_status_t apr_os_lock_get(apr_os_lock_t *oslock, apr_lock_t *lock)
{
    oslock->sem_interproc = lock->sem_interproc;
    oslock->sem_intraproc = lock->sem_intraproc;
    oslock->ben_interproc = lock->ben_interproc;
    oslock->ben_intraproc = lock->ben_intraproc;
    return APR_SUCCESS;
}

apr_status_t apr_os_lock_put(apr_lock_t **lock, apr_os_lock_t *thelock, 
                           apr_pool_t *cont)
{
    if (cont == NULL) {
        return APR_ENOPOOL;
    }
    if ((*lock) == NULL) {
        (*lock) = (apr_lock_t *)apr_pcalloc(cont, sizeof(apr_lock_t));
        (*lock)->cntxt = cont;
    }
    (*lock)->sem_interproc = thelock->sem_interproc;
    (*lock)->ben_interproc = thelock->ben_interproc;

    (*lock)->sem_intraproc = thelock->sem_intraproc;
    (*lock)->ben_intraproc = thelock->ben_intraproc;
    return APR_SUCCESS;
}