jackopen.c

来自「mgcp协议源代码。支持多种编码：g711」· C语言 代码 · 共 45 行

#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <strings.h>
#include <sys/ioctl.h>
#include <unistd.h>
#include <fcntl.h>
#include "ixjuser.h"

int main(int argc, char *argv[])
{
  int ixj1, hook, m_hook;
  char pname1[80], pname2[80];

  sprintf(pname1, "/dev/ixj%s", argv[1]);

  ixj1 = open(pname1, O_RDWR);

  if(ixj1 <= 0)
  {
    printf("Open failed %s\n", pname1);
    exit(0);
  }  
  hook = m_hook = ioctl(ixj1, IXJCTL_HOOKSTATE);
  printf("hook state %d\n", hook);

  if(!ioctl(ixj1, IXJCTL_RING))
    exit(0);

  hook = m_hook = ioctl(ixj1, IXJCTL_HOOKSTATE);
  printf("hook state %d\n", hook);

  while(1)
  {
    printf("hook state changed to %d m_hook = %d\r", hook, m_hook);
    if((hook && !m_hook) || (!hook && m_hook))
    {
      printf("\t\t\thook state changed to %d\r", hook);
      m_hook = hook;
    }
    hook = ioctl(ixj1, IXJCTL_HOOKSTATE);
  }
  close(ixj1);
}