src/xcalls/x_pipe.c File Reference

x_pipe implementation. More...

#include <fcntl.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include <misc/debug.h>
#include <core/tx.h>
#include <core/config.h>
#include <core/koa.h>
#include <core/buffer.h>
#include <core/txdesc.h>
#include <core/stats.h>
#include <libc/syscalls.h>
#include <xcalls/xcalls.h>

Go to the source code of this file.

Classes
struct	x_pipe_undo_args_s
Typedefs
typedef x_pipe_undo_args_s	x_pipe_undo_args_t
Functions
int XCALL_DEF()	x_pipe (int fildes[2], int *result)
	Creates a pipe.

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Detailed Description

x_pipe implementation.

Definition in file x_pipe.c.

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Function Documentation

int XCALL_DEF() x_pipe	(	int	fildes[2],
		int *	result
	)

Creates a pipe.

Creates a pair of file descriptors, pointing to a pipe inode.

Execution : in-place

Asynchronous failures : abort

Parameters:

[in,out]	fildes	Array where to place the new file descriptors.
[out]	result	Where to store any asynchronous failures.

Returns:

0 on success, or -1 if a synchronous failure occurred (in which case, errno is set appropriately).

Definition at line 79 of file x_pipe.c.

References x_pipe_undo_args_s::fd, x_pipe_undo_args_s::koa, txc_buffer_linear_malloc(), txc_g_koamgr, TXC_INTERNALERROR, txc_koa_attach_fd(), txc_koa_create(), TXC_KOA_CREATE_UNDO_ACTION_ORDER, txc_koa_get_sentinel(), TXC_KOA_IS_PIPE_READ_END, TXC_KOA_IS_PIPE_WRITE_END, txc_koa_lock_fd(), txc_koa_unlock_fd(), TXC_R_SUCCESS, txc_sentinel_tryacquire(), txc_stats_txstat_increment, txc_tx_get_txd(), txc_tx_get_xactstate(), txc_tx_register_undo_action(), and x_pipe().

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