146 lines
3.4 KiB
C
146 lines
3.4 KiB
C
/*
|
|
* Copyright (c) 2009 Kungliga Tekniska Högskolan
|
|
* (Royal Institute of Technology, Stockholm, Sweden).
|
|
* All rights reserved.
|
|
*
|
|
* Portions Copyright (c) 2009 Apple Inc. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* 3. Neither the name of the Institute nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#include "hi_locl.h"
|
|
#ifdef __APPLE__
|
|
#include <dispatch/dispatch.h>
|
|
#endif
|
|
|
|
struct heim_icred {
|
|
uid_t uid;
|
|
gid_t gid;
|
|
pid_t pid;
|
|
pid_t session;
|
|
};
|
|
|
|
void
|
|
heim_ipc_free_cred(heim_icred cred)
|
|
{
|
|
free(cred);
|
|
}
|
|
|
|
uid_t
|
|
heim_ipc_cred_get_uid(heim_icred cred)
|
|
{
|
|
return cred->uid;
|
|
}
|
|
|
|
gid_t
|
|
heim_ipc_cred_get_gid(heim_icred cred)
|
|
{
|
|
return cred->gid;
|
|
}
|
|
|
|
pid_t
|
|
heim_ipc_cred_get_pid(heim_icred cred)
|
|
{
|
|
return cred->pid;
|
|
}
|
|
|
|
pid_t
|
|
heim_ipc_cred_get_session(heim_icred cred)
|
|
{
|
|
return cred->session;
|
|
}
|
|
|
|
|
|
int
|
|
_heim_ipc_create_cred(uid_t uid, gid_t gid, pid_t pid, pid_t session, heim_icred *cred)
|
|
{
|
|
*cred = calloc(1, sizeof(**cred));
|
|
if (*cred == NULL)
|
|
return ENOMEM;
|
|
(*cred)->uid = uid;
|
|
(*cred)->gid = gid;
|
|
(*cred)->pid = pid;
|
|
(*cred)->session = session;
|
|
return 0;
|
|
}
|
|
|
|
heim_isemaphore
|
|
heim_ipc_semaphore_create(long value)
|
|
{
|
|
#ifdef __APPLE__
|
|
return (heim_isemaphore)dispatch_semaphore_create(value);
|
|
#else
|
|
abort();
|
|
#endif
|
|
}
|
|
|
|
long
|
|
heim_ipc_semaphore_wait(heim_isemaphore s, time_t t)
|
|
{
|
|
#ifdef __APPLE__
|
|
uint64_t timeout;
|
|
if (t == HEIM_IPC_WAIT_FOREVER)
|
|
timeout = DISPATCH_TIME_FOREVER;
|
|
else
|
|
timeout = (uint64_t)t * NSEC_PER_SEC;
|
|
|
|
return dispatch_semaphore_wait((dispatch_semaphore_t)s, timeout);
|
|
#else
|
|
abort();
|
|
#endif
|
|
}
|
|
|
|
long
|
|
heim_ipc_semaphore_signal(heim_isemaphore s)
|
|
{
|
|
#ifdef __APPLE__
|
|
return dispatch_semaphore_signal((dispatch_semaphore_t)s);
|
|
#else
|
|
abort();
|
|
#endif
|
|
}
|
|
|
|
void
|
|
heim_ipc_semaphore_release(heim_isemaphore s)
|
|
{
|
|
#ifdef __APPLE__
|
|
return dispatch_release((dispatch_semaphore_t)s);
|
|
#else
|
|
abort();
|
|
#endif
|
|
}
|
|
|
|
void
|
|
heim_ipc_free_data(heim_idata *data)
|
|
{
|
|
if (data->data)
|
|
free(data->data);
|
|
data->data = NULL;
|
|
data->length = 0;
|
|
}
|