38 lines
1.7 KiB
C
38 lines
1.7 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* subshell_exec.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: lperrey <lperrey@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2021/11/16 01:57:38 by lperrey #+# #+# */
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/* Updated: 2021/11/18 23:05:26 by hulamy ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "minishell.h"
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int cmd_exec_in_subshell(t_cmd *cmd, t_all *c)
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{
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cmd->pid = fork();
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if (cmd->pid == -1)
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perror("fork()");
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if (cmd->pid == 0)
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{
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c->signal_behaviour.sa_handler = SIG_DFL;
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sigaction(SIGINT, &c->signal_behaviour, NULL);
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if (cmd->fd_in != STDIN_FILENO)
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if (dup2(cmd->fd_in, STDIN_FILENO) == -1)
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return (ft_reti_perror(EXIT_FAILURE, "dup2()"));
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if (cmd->fd_out != STDOUT_FILENO)
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if (dup2(cmd->fd_out, STDOUT_FILENO) == -1)
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return (ft_reti_perror(EXIT_FAILURE, "dup2()"));
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close_pipeline_fd(c->cmd_arr);
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if (cmd->builtin_func)
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free_exit(c, cmd->builtin_func(ft_2d_arrlen(cmd->argv), cmd->argv, c));
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else if (execve(cmd->path, cmd->argv, c->envp) == -1)
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return (ft_reti_perror_io(EXIT_FAILURE, "execve() ", cmd->argv[0]));
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}
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return (EXIT_SUCCESS);
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}
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