pipeline.h File Reference

Data pipeline utilities for processing streams. More...

#include <fcntl.h>
#include <sys/wait.h>
#include <unistd.h>

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Classes
struct	CommandNode
	Structure representing a command in a pipeline. More...

Typedefs
typedef struct CommandNode	CommandNode
	Structure representing a command in a pipeline.

Functions
CommandNode *	create_command_node (char **args)
	Create a new CommandNode.
void	execute_pipeline (CommandNode *head, int output_fd)
	Execute a pipeline of commands.
void	free_pipeline (CommandNode *head)
	Free the linked list of commands.
void	build_pipeline (CommandNode **commands)
	Build the pipeline using a NULL-terminated array of CommandNode pointers.

Detailed Description

Data pipeline utilities for processing streams.

Definition in file pipeline.h.

Function Documentation

build_pipeline()

void build_pipeline

(

CommandNode **

commands

)

Build the pipeline using a NULL-terminated array of CommandNode pointers.

Parameters

commands

Array of CommandNode pointers, terminated by NULL.

Definition at line 250 of file pipeline.c.

References build_pipeline().

Referenced by build_pipeline().

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create_command_node()

CommandNode * create_command_node

(

char **

args

)

Create a new CommandNode.

Parameters

args	Array of command arguments (NULL-terminated).

Returns

Pointer to the newly created CommandNode.

Definition at line 19 of file pipeline.c.

References create_command_node().

Referenced by create_command_node().

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execute_pipeline()

void execute_pipeline	(	CommandNode *	head,
		int	output_fd
	)

Execute a pipeline of commands.

Parameters

head	Pointer to the first CommandNode in the pipeline.
output_fd	Optional file descriptor to capture the output of the last command. If -1, the output is not redirected.

Execute a pipeline of commands.

Parameters

head	Pointer to the first CommandNode in the pipeline.
output_fd	Optional file descriptor to capture the output of the last command. If -1, the output is not redirected.

Definition at line 165 of file pipeline.c.

References execute_pipeline().

Referenced by execute_pipeline().

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free_pipeline()

void free_pipeline

(

CommandNode *

head

)

Free the linked list of commands.

Parameters

head	Pointer to the first CommandNode in the pipeline.

Definition at line 235 of file pipeline.c.

References free_pipeline().

Referenced by free_pipeline().

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