freeswitch/include/zrtp_iface_scheduler.h
2012-03-31 18:37:58 +00:00

90 lines
2.5 KiB
C

/*
* libZRTP SDK library, implements the ZRTP secure VoIP protocol.
* Copyright (c) 2006-2009 Philip R. Zimmermann. All rights reserved.
* Contact: http://philzimmermann.com
* For licensing and other legal details, see the file zrtp_legal.c.
*
* Viktor Krykun <v.krikun at zfoneproject.com>
*/
#ifndef __ZRTP_IFACE_SCHEDULER_H__
#define __ZRTP_IFACE_SCHEDULER_H__
#include "zrtp_config.h"
#include "zrtp_base.h"
#include "zrtp_string.h"
#include "zrtp_error.h"
#include "zrtp_iface.h"
#if defined(ZRTP_USE_BUILTIN_SCEHDULER) && (ZRTP_USE_BUILTIN_SCEHDULER == 1)
#if defined(__cplusplus)
extern "C"
{
#endif
/**
* In order to use default secheduler libzrtp one should define tow extra interfaces:
* sleep and threads riutine.
*/
/**
* \brief Suspend thread execution for an interval measured in miliseconds
* \param msec - number of miliseconds
* \return: 0 if successful and -1 in case of errors.
*/
#if ZRTP_PLATFORM != ZP_WIN32_KERNEL
#if (ZRTP_PLATFORM == ZP_WIN32) || (ZRTP_PLATFORM == ZP_WINCE)
#include <windows.h>
typedef LPTHREAD_START_ROUTINE zrtp_thread_routine_t;
#elif (ZRTP_PLATFORM == ZP_LINUX) || (ZRTP_PLATFORM == ZP_DARWIN) || (ZRTP_PLATFORM == ZP_BSD)
typedef void *(*zrtp_thread_routine_t)(void*);
#elif (ZRTP_PLATFORM == ZP_SYMBIAN)
typedef int(*zrtp_thread_routine_t)(void*);
#endif
/**
* \brief Function is used to create a new thread, within a process.
*
* Thread should be created with default attributes. Upon its creation, the thread executes
* \c start_routine, with \c arg as its sole argument.
* \param start_routine - thread start routine.
* \param arg - start routine arguments.
* \return 0 if successful and -1 in case of errors.
*/
extern int zrtp_thread_create(zrtp_thread_routine_t start_routine, void *arg);
extern int zrtp_sleep(unsigned int msec);
#endif
void zrtp_def_scheduler_down();
zrtp_status_t zrtp_def_scheduler_init(zrtp_global_t* zrtp);
void zrtp_def_scheduler_call_later(zrtp_stream_t *ctx, zrtp_retry_task_t* ztask);
void zrtp_def_scheduler_cancel_call_later(zrtp_stream_t* ctx, zrtp_retry_task_t* ztask);
void zrtp_def_scheduler_wait_call_later(zrtp_stream_t* ctx);
zrtp_status_t zrtp_sem_init(zrtp_sem_t** sem, uint32_t value, uint32_t limit);
zrtp_status_t zrtp_sem_destroy(zrtp_sem_t* sem);
zrtp_status_t zrtp_sem_wait(zrtp_sem_t* sem);
zrtp_status_t zrtp_sem_trtwait(zrtp_sem_t* sem);
zrtp_status_t zrtp_sem_post(zrtp_sem_t* sem);
#if defined(__cplusplus)
}
#endif
#endif /* ZRTP_USE_BUILTIN_SCEHDULER */
#endif /*__ZRTP_IFACE_SCHEDULER_H__*/