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interim commit while overhauling pio

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hyung-hwan
2009-01-05 07:38:55 +00:00
parent afefb7b85a
commit b037bfcaf5
6 changed files with 443 additions and 76 deletions
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134
qse/include/qse/cmn/pio.h
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@ -8,29 +8,72 @@
#include <qse/types.h>
#include <qse/macros.h>
#if 0
IN_FROM_NUL /* < /dev/null */
IN_DROP
IN_ACCEPT
IN_KEEP
OUT_TO_NUL /* > /dev/null */
OUT_DROP /* close it.. */
OUT_ACCEPT
OUT_KEEP /* dont do anything */
ERR_TO_NUL
ERR_DROP
ERR_ACCEPT
ERR_KEEP
#endif
enum qse_pio_open_flag_t
{
QSE_PIO_READ = (1 << 1),
QSE_PIO_WRITE = (1 << 2),
QSE_PIO_WRITEIN = (1 << 0),
QSE_PIO_READOUT = (1 << 1),
QSE_PIO_READERR = (1 << 2),
QSE_PIO_DROPIN = (1 << 3),
QSE_PIO_DROPOUT = (1 << 4),
QSE_PIO_DROPERR = (1 << 5),
QSE_PIO_ERRTOOUT = (1 << 6),
QSE_PIO_OUTTOERR = (1 << 7),
QSE_PIO_ERRTONUL = (1 << 8),
QSE_PIO_OUTTONUL = (1 << 9),
QSE_PIO_READ = (QSE_PIO_READOUT),
QSE_PIO_WRITE = (QSE_PIO_WRITEIN)
};
enum qse_pio_rw_flag_t
{
QSE_PIO_IN = (1 << 0),
QSE_PIO_OUT = (1 << 1),
QSE_PIO_ERR = (1 << 2),
QSE_PIO_END = (1 << 8)
};
enum qse_pio_handle_id_t
{
QSE_PIO_HANDLE_IN = 0,
QSE_PIO_HANDLE_OUT = 1,
QSE_PIO_HANDLE_ERR = 2
};
#ifdef _WIN32
/* <winnt.h> => typedef PVOID HANDLE; */
typedef void* qse_pio_hnd_t;
typedef int qse_pio_pid_t; /* TODO */
#else
typedef int qse_pio_hnd_t;
typedef int qse_pio_pid_t;
#endif
/* pipe offset */
typedef qse_int64_t qse_pio_off_t;
typedef enum qse_pio_seek_origin_t qse_pio_ori_t;
typedef struct qse_pio_t qse_pio_t;
struct qse_pio_t
{
qse_mmgr_t* mmgr;
qse_pio_hnd_t handle;
qse_mmgr_t* mmgr;
qse_pio_pid_t child;
qse_pio_hnd_t handle[3];
};
#define QSE_PIO_MMGR(pio) ((pio)->mmgr)
@ -44,18 +87,13 @@ extern "C" {
* NAME
* qse_pio_open - open a pipe to a child process
*
* DESCRIPTION
* To open a pipe, you should set the flags with at least one of
* QSE_PIO_READ, QSE_PIO_WRITE, QSE_PIO_APPEND.
*
* SYNOPSIS
*/
qse_pio_t* qse_pio_open (
qse_mmgr_t* mmgr,
qse_size_t ext,
const qse_char_t* path,
int flags,
int mode
int flags
);
/******/
@ -71,47 +109,71 @@ void qse_pio_close (
/******/
qse_pio_t* qse_pio_init (
qse_pio_t* pio,
qse_mmgr_t* mmgr,
qse_pio_t* pio,
qse_mmgr_t* mmgr,
const qse_char_t* path,
int flags,
int mode
int flags
);
void qse_pio_fini (
qse_pio_t* pio
);
qse_pio_hnd_t qse_pio_gethandle (
qse_pio_t* pio
);
/****f* qse.cmn.pio/qse_pio_sethandle
/****f* qse.pio/qse_pio_wait
* NAME
* qse_pio_sethandle - set the pipe handle
* WARNING
* Avoid using this function if you don't know what you are doing.
* You may have to retrieve the previous handle using qse_pio_gethandle()
* to take relevant actions before resetting it with qse_pio_sethandle().
* qse_pio_wait - wait for a child process
*
* SYNOPSIS
*/
void qse_pio_sethandle (
qse_pio_t* pio,
qse_pio_hnd_t handle
int qse_pio_wait (
qse_pio_t* pio
);
/******/
/****f* qse.pio/qse_pio_read
* NAME
* qse_pio_read - read data
*
* SYNOPSIS
*/
qse_ssize_t qse_pio_read (
qse_pio_t* pio,
void* buf,
qse_size_t size
void* buf,
qse_size_t size,
int flags
);
/******/
/****f* qse.pio/qse_pio_write
* NAME
* qse_pio_write - write data
*
* DESCRIPTION
* If the parameter 'size' is zero, qse_pio_write() closes the the writing
* stream causing the child process reach the end of the stream.
*
* SYNOPSIS
*/
qse_ssize_t qse_pio_write (
qse_pio_t* pio,
const void* buf,
qse_size_t size
qse_pio_t* pio,
const void* data,
qse_size_t size,
int flags
);
/******/
/****f* qse.pio/qse_pio_end
* NAME
* qse_pio_end
*
* SYNOPSIS
*/
void qse_pio_end (
qse_pio_t* pio,
int flags
);
/******/
#ifdef __cplusplus
}