39 lines
890 B
C
39 lines
890 B
C
|
/*
|
||
|
|
============================================================================
|
||
|
|
Name : hev-task-io-pipe.c
|
||
|
|
Author : Heiher <r@hev.cc>
|
||
|
|
Copyright : Copyright (c) 2018 everyone.
|
||
|
|
Description : Task pipe I/O operations
|
||
|
|
============================================================================
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <unistd.h>
|
||
|
|
#include <sys/ioctl.h>
|
||
|
|
|
||
|
|
#include "lib/misc/hev-compiler.h"
|
||
|
|
|
||
|
|
#include "hev-task-io-pipe.h"
|
||
|
|
|
||
|
|
EXPORT_SYMBOL int
|
||
|
|
hev_task_io_pipe_pipe (int pipefd[2])
|
||
|
|
{
|
||
|
|
int nonblock = 1;
|
||
|
|
|
||
|
|
if (0 > pipe (pipefd))
|
||
|
|
return -1;
|
||
|
|
|
||
|
|
if (0 > ioctl (pipefd[0], FIONBIO, (char *)&nonblock)) {
|
||
|
|
close (pipefd[0]);
|
||
|
|
close (pipefd[1]);
|
||
|
|
return -2;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (0 > ioctl (pipefd[1], FIONBIO, (char *)&nonblock)) {
|
||
|
|
close (pipefd[0]);
|
||
|
|
close (pipefd[1]);
|
||
|
|
return -3;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|