minishell/src/executor/executor_execute_pipeline.c
2025-03-05 17:34:24 +01:00

70 lines
2.2 KiB
C

/* ************************************************************************** */
/* */
/* :::::::: */
/* executor_execute_pipeline.c :+: :+: */
/* +:+ */
/* By: willem <willem@student.codam.nl> +#+ */
/* +#+ */
/* Created: 2025/02/12 21:25:02 by willem #+# #+# */
/* Updated: 2025/03/05 13:10:59 by whaffman ######## odam.nl */
/* */
/* ************************************************************************** */
#include "minishell.h"
static int execute_builtin(t_minishell *msh, t_command *cmd)
{
int original_stdout;
int original_stdin;
int exit_status;
original_stdin = dup(STDIN_FILENO);
original_stdout = dup(STDOUT_FILENO);
dup2(cmd->fd_in, STDIN_FILENO);
dup2(cmd->fd_out, STDOUT_FILENO);
signal_init_child();
exit_status = builtin_router(msh, cmd);
signal_init_minishell();
close(cmd->fd_in);
close(cmd->fd_out);
dup2(original_stdin, STDIN_FILENO);
dup2(original_stdout, STDOUT_FILENO);
close(original_stdin);
close(original_stdout);
return (exit_status);
}
static int executor_execute_command(t_minishell *msh, t_command *cmd)
{
if (is_builtin(cmd->args[0]) >= 0)
msh->exit_status = execute_builtin(msh, cmd);
else if (cmd->args[0] != NULL)
return (executor_fork(msh, cmd));
return (0);
}
int executor_execute_pipeline(t_minishell *msh)
{
t_list *current;
pid_t last_pid;
int exit_status;
executor_create_pipes(msh);
executor_create_redirects(msh);
current = msh->commands;
ft_lstiter(current, print_commands);
last_pid = 0;
while (current)
{
last_pid = executor_execute_command(msh, (t_command *)current->content);
current = current->next;
}
if (last_pid != 0)
{
waitpid(last_pid, &exit_status, 0);
msh->exit_status = ((exit_status) & 0xff00) >> 8;
}
signal_init_minishell();
return (msh->exit_status);
}