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win32: pipe_backend: use named pipes instead of mkfifo

This commit is contained in:
Reinhold Gschweicher 2020-02-20 00:10:01 +01:00
parent ae5e359ec9
commit 28917075d0
1 changed files with 29 additions and 0 deletions
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29
src/common/backend/pipe_backend.c
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@ -8,7 +8,14 @@
#include <unistd.h>
#include "common/logger.h"
#ifndef _WIN32
#define FIFO_FILENAME "/tmp/vban_0"
#else
// name of named pipe is \\.\pipe\vban_0
#include <windef.h> // for DWORD and others
#include <winbase.h>
#define FIFO_FILENAME "\\\\.\\pipe\\vban_0"
#endif
struct pipe_backend_t
{
@ -60,6 +67,7 @@ int pipe_open(audio_backend_handle_t handle, char const* output_name, enum audio
return -EINVAL;
}
#ifndef _WIN32
ret = mkfifo(FIFO_FILENAME, 0666);
if (ret < 0)
{
@ -69,6 +77,27 @@ int pipe_open(audio_backend_handle_t handle, char const* output_name, enum audio
pipe_backend->fd = 0;
return ret;
}
#else
// Windows has no mkfifo function. Use named pipes instead
HANDLE named_pipe = CreateNamedPipeA(
/* lpName */ FIFO_FILENAME,
/* dwOpenMode */ PIPE_ACCESS_DUPLEX,
/* dwPipeMode */ PIPE_TYPE_MESSAGE, // or maybe PIPE_TYPE_BYTE, let's see
/* nMaxInstances */ 1,
/* nOutBufferSize */ 0,
/* nInBufferSize */ 0,
/* nDefaultTimeOut */ 0,
/* lpSecurityAttributes */ 0);
if (named_pipe == INVALID_HANDLE_VALUE)
{
logger_log(LOG_FATAL, "%s: ???", __func__);
//todo:strerror
perror("mknod");
pipe_backend->fd = 0;
ret = GetLastError();
return ret;
}
#endif // _WIN32
pipe_backend->fd = open((output_name[0] == 0) ? FIFO_FILENAME : output_name, (direction == AUDIO_OUT) ? O_WRONLY : O_RDONLY);
if (pipe_backend->fd == -1)