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new process logic

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This commit is contained in:
Jack Halford 2017-03-07 15:05:04 +01:00
parent e9633119e5
commit a5f186eb59
14 changed files with 145 additions and 105 deletions
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77
42sh/includes/exec.h
View file

@ -6,7 +6,7 @@
/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2016/11/27 20:29:56 by jhalford #+# #+# */
/* Updated: 2017/03/06 16:56:35 by jhalford ### ########.fr */
/* Updated: 2017/03/07 15:04:40 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */
@ -16,19 +16,12 @@
# define PIPE_READ 0
# define PIPE_WRITE 1
# define PROCESS_BUILTIN (1 << 0)
# define PROCESS_BINARY (1 << 1)
# define PROCESS_SCRIPT (1 << 2)
# define PROCESS_SUBSHELL (1 << 3)
# define PROCESS_UNKNOWN (1 << 4)
# define PROCESS_CONTROL (1 << 5)
# define PROCESS_COMPLETED (1 << 6)
# define PROCESS_SUSPENDED (1 << 7)
# define PROCESS_RUNNING (1 << 8)
# define PROCESS_CONTINUED (1 << 9)
# define PROCESS_COMPLETED (1 << 0)
# define PROCESS_SUSPENDED (1 << 1)
# define PROCESS_RUNNING (1 << 2)
# define PROCESS_CONTINUED (1 << 3)
# define PROCESS_TYPE_MASK (1 << 0 | 1 << 1 | 1 << 2 | 1 << 3 | 1 << 4 | 1 << 5)
# define PROCESS_STATE_MASK (1 << 6 | 1 << 7 | 1 << 8 | 1 << 9)
# define PROCESS_STATE_MASK ((1 << 4) - (1 << 0))
# define IS_PIPESTART(p) ((p).fdin == STDIN)
# define IS_PIPEEND(p) ((p).fdout == STDOUT)
@ -39,12 +32,13 @@
# define EXEC_OR_IF (1 << 3)
# define EXEC_IF_BRANCH (1 << 4)
# define EXEC_CASE_BRANCH (1 << 5)
# define EXEC_AOL_MASK (EXEC_AND_IF | EXEC_OR_IF)
# define EXEC_IS_BG(j) (j & EXEC_BG)
# define EXEC_IS_FG(j) (!EXEC_IS_BG(j))
# define EXEC_IS_AND_IF(j) (j & EXEC_AND_IF)
# define EXEC_IS_OR_IF(j) (j & EXEC_OR_IF)
# define EXEC_AOL_MASK (EXEC_AND_IF | EXEC_OR_IF)
# define EXEC_IS_IF_BRANCH(j) (j & EXEC_IF_BRANCH)
# define EXEC_IS_CASE_BRANCH(j) (j & EXEC_CASE_BRANCH)
@ -52,18 +46,34 @@
# include "types.h"
# include "job_control.h"
enum e_process_type
{
PROCESS_FUNCTION,
PROCESS_BUILTIN,
PROCESS_FILE,
PROCESS_SUBSHELL,
PROCESS_WHILE,
PROCESS_IF,
PROCESS_FOR,
PROCESS_CASE,
};
typedef enum e_process_type t_process_type;
struct s_process
{
char **av;
char *path;
t_execf *execf;
pid_t pid;
int fdin;
int fdout;
int to_close;
t_list *redirs;
int status;
t_flag attrs;
/* char **av; */
/* char *path; */
/* t_execf *execf; */
t_process_type type;
t_process_data data;
pid_t pid;
int fdin;
int fdout;
int to_close;
t_list *redirs;
int status;
t_flag attrs;
};
struct s_exec
@ -77,22 +87,11 @@ struct s_exec
int control_count;
};
struct s_execmap
{
t_type type;
int (*f)(t_btree **ast);
};
struct s_redirmap
{
t_flag type;
int (*f)(t_redir *redir);
};
#include "minishell.h"
extern t_execmap g_execmap[];
extern t_redirmap g_redirmap[];
extern t_itof g_execmap[];
extern t_itof g_redirmap[];
extern t_itof g_launchmap[];
int ft_exec(t_btree **ast);

2
42sh/includes/minishell.h
View file

@ -6,7 +6,7 @@
/* By: jhalford <jhalford@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2016/11/10 13:07:44 by jhalford #+# #+# */
/* Updated: 2017/03/04 16:46:52 by ariard ### ########.fr */
/* Updated: 2017/03/07 14:27:40 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */

2
42sh/includes/types.h
View file

@ -6,7 +6,7 @@
/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2016/12/13 17:11:48 by jhalford #+# #+# */
/* Updated: 2017/03/06 15:31:28 by ariard ### ########.fr */
/* Updated: 2017/03/07 14:35:52 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */

4
42sh/src/builtin/is_builtin.c
View file

@ -6,7 +6,7 @@
/* By: jhalford <jhalford@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2016/12/13 13:09:57 by jhalford #+# #+# */
/* Updated: 2017/03/02 21:00:13 by jhalford ### ########.fr */
/* Updated: 2017/03/07 14:43:50 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */
@ -37,7 +37,7 @@ t_execf *is_builtin(t_process *p)
i = -1;
while (g_builtin[++i].name)
{
if (ft_strcmp(g_builtin[i].name, p->av[0]) == 0)
if (ft_strcmp(g_builtin[i].name, p->data.cmd.av[0]) == 0)
return (g_builtin[i].f);
}
return (NULL);

2
42sh/src/exec/exec_command.c
View file

@ -6,7 +6,7 @@
/* By: jhalford <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2016/11/14 17:28:14 by jhalford #+# #+# */
/* Updated: 2017/03/06 15:03:36 by ariard ### ########.fr */
/* Updated: 2017/03/07 15:04:00 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */

4
42sh/src/exec/ft_exec.c
View file

@ -6,13 +6,13 @@
/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2016/11/27 20:30:32 by jhalford #+# #+# */
/* Updated: 2017/03/06 15:01:32 by ariard ### ########.fr */
/* Updated: 2017/03/07 14:54:28 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */
#include "exec.h"
t_execmap g_execmap[] =
t_itof g_execmap[] =
{
{TK_NEWLINE, &exec_semi},
{TK_SEMI, &exec_semi},

59
42sh/src/exec/launch_file.c Normal file
View file

@ -0,0 +1,59 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* launch_file.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2017/03/07 14:53:31 by jhalford #+# #+# */
/* Updated: 2017/03/07 14:54:18 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */
int launch_file(t_process *p)
{
int pid;
if (p->attrs & PROCESS_BUILTIN && IS_PIPESINGLE(*p))
{
if (process_redirect(p))
return (1);
set_exitstatus((*p->execf)(p->path, p->av, data_singleton()->env), 1);
return (1);
}
p->attrs &= ~PROCESS_STATE_MASK;
p->attrs |= PROCESS_RUNNING;
if (p->attrs & (PROCESS_BINARY | PROCESS_SCRIPT)
&& access(p->path, X_OK) == -1)
{
ft_dprintf(2, "{red}%s: permission denied: %s{eoc}\n", SHELL_NAME, p->av[0]);
set_exitstatus(126, 1);
return (1);
}
pid = fork();
if (pid == 0)
{
if (p->attrs & PROCESS_UNKNOWN)
{
ft_dprintf(2, "{red}%s: command not found: %s{eoc}\n", SHELL_NAME, p->av[0]);
exit(127);
}
process_setgroup(p, 0);
process_setsig();
if (process_redirect(p))
exit (1);
if (p->attrs & PROCESS_BUILTIN)
exit((*p->execf)(p->path, p->av, data_singleton()->env));
(*p->execf)(p->path, p->av, data_singleton()->env);
ft_dprintf(2, "{red}%s: internal execve error on %s{eoc}\n", SHELL_NAME, p->av[0]);
}
else if (pid > 0)
{
p->pid = pid;
process_setgroup(p, pid);
return (0);
}
else if (pid == -1)
ft_dprintf(2, "{red}%s: internal fork error{eoc}\n", SHELL_NAME);
return (1);
}

64
42sh/src/exec/launch_process.c
View file

@ -6,59 +6,39 @@
/* By: jhalford <jhalford@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2016/12/13 14:20:45 by jhalford #+# #+# */
/* Updated: 2017/03/06 16:20:54 by wescande ### ########.fr */
/* Updated: 2017/03/07 15:04:44 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */
#include "minishell.h"
t_itof g_launchmap[] =
{
{PROCESS_FUNCTION, NULL},
{PROCESS_BUILTIN, NULL},
{PROCESS_FILE, launch_file},
{PROCESS_SUBSHELL, NULL},
{PROCESS_WHILE, NULL},
{PROCESS_IF, NULL},
{PROCESS_FOR, NULL},
{PROCESS_CASE, NULL},
};
int launch_process(t_process *p)
{
int pid;
int i;
i = 0;
/* DG("gonna launch [%s]", p->av[0]); */
/* DG("fdin=[%i]", p->fdin); */
/* DG("fdout=[%i]", p->fdout); */
if (p->attrs & PROCESS_BUILTIN && IS_PIPESINGLE(*p))
while (g_launchmap[i].type)
{
if (process_redirect(p))
return (1);
set_exitstatus((*p->execf)(p->path, p->av, data_singleton()->env), 1);
return (1);
if (p->type == g_launchmap[i].type)
if (!g_launchmap[i].f)
return (-1);
return ((*g_launchmap[i].f)(p));
i++;
}
p->attrs &= ~PROCESS_STATE_MASK;
p->attrs |= PROCESS_RUNNING;
if (p->attrs & (PROCESS_BINARY | PROCESS_SCRIPT)
&& access(p->path, X_OK) == -1)
{
ft_dprintf(2, "{red}%s: permission denied: %s{eoc}\n", SHELL_NAME, p->av[0]);
set_exitstatus(126, 1);
return (1);
}
pid = fork();
if (pid == 0)
{
if (p->attrs & PROCESS_UNKNOWN)
{
ft_dprintf(2, "{red}%s: command not found: %s{eoc}\n", SHELL_NAME, p->av[0]);
exit(127);
}
process_setgroup(p, 0);
process_setsig();
if (process_redirect(p))
exit (1);
if (p->attrs & PROCESS_BUILTIN)
exit((*p->execf)(p->path, p->av, data_singleton()->env));
(*p->execf)(p->path, p->av, data_singleton()->env);
ft_dprintf(2, "{red}%s: internal execve error on %s{eoc}\n", SHELL_NAME, p->av[0]);
}
else if (pid > 0)
{
p->pid = pid;
process_setgroup(p, pid);
return (0);
}
else if (pid == -1)
ft_dprintf(2, "{red}%s: internal fork error{eoc}\n", SHELL_NAME);
return (1);
return (-1);
}

24
42sh/src/exec/process_setexec.c
View file

@ -6,7 +6,7 @@
/* By: jhalford <jhalford@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2016/12/13 17:07:10 by jhalford #+# #+# */
/* Updated: 2017/03/06 12:26:01 by wescande ### ########.fr */
/* Updated: 2017/03/07 14:49:45 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */
@ -15,18 +15,20 @@
int process_setexec(t_process *p)
{
p->path = NULL;
if ((p->execf = is_builtin(p)))
p->attrs |= PROCESS_BUILTIN;
else if (ft_strchr(p->av[0], '/'))
{
p->execf = &execve;
p->attrs |= PROCESS_SCRIPT;
p->path = ft_strdup(p->av[0]);
}
/* if ((p->execf = is_function(p))) */
/* p->type = PROCESS_FUNCTION; */
if ((p->data.cmd.execf = is_builtin(p)))
p->type = PROCESS_BUILTIN;
else if (ft_hash(p))
{
p->execf = &execve;
p->attrs |= PROCESS_BINARY;
p->data.cmd.execf = &execve;
p->type = PROCESS_FILE;
}
else if (ft_strchr(p->av[0], '/'))
{
p->data.cmd.execf = &execve;
p->type = PROCESS_FILE;
p->data.cmd.path = ft_strdup(p->av[0]);
}
else
{

2
42sh/src/exec/set_process.c
View file

@ -6,7 +6,7 @@
/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2017/03/05 14:54:45 by jhalford #+# #+# */
/* Updated: 2017/03/06 12:26:11 by wescande ### ########.fr */
/* Updated: 2017/03/07 15:02:46 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */

4
42sh/src/hash_table/ft_add_hash.c
View file

@ -6,7 +6,7 @@
/* By: gwojda <gwojda@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2017/02/18 11:20:11 by gwojda #+# #+# */
/* Updated: 2017/03/04 18:51:01 by ariard ### ########.fr */
/* Updated: 2017/03/07 14:43:33 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */
@ -23,6 +23,6 @@ int ft_add_hash(t_process *p)
hash.key = ft_strdup(p->av[0]);
id = ft_hash_str(p->av[0]);
ft_lsteadd(&(g_hash[id]), ft_lstnew(&hash, sizeof(t_hash)));
p->path = ft_strdup(hash.path);
p->data.cmd.path = ft_strdup(hash.path);
return (1);
}

2
42sh/src/main/main.c
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@ -6,7 +6,7 @@
/* By: jhalford <jhalford@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2016/12/06 18:40:58 by jhalford #+# #+# */
/* Updated: 2017/03/06 12:39:14 by wescande ### ########.fr */
/* Updated: 2017/03/07 14:40:24 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */

2
42sh/src/parser/eval_sym.c
View file

@ -187,7 +187,7 @@ t_stackmatch g_stackmatch[] =
{TK_GREATAND, NEWLINE_LIST},
{TK_GREATAND, PIPE_SEMI_SEQUENCE},
{TK_GREATAND, SEQUENCE},
// watch !
// watch !
{TK_GREATAND, CMD_SUPERIOR},
{TK_GREATAND, AND_OR_MAJOR},

2
42sh/src/parser/produce_sym.c
View file

@ -6,7 +6,7 @@
/* By: ariard <ariard@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2017/02/09 17:58:34 by ariard #+# #+# */
/* Updated: 2017/03/05 15:12:59 by ariard ### ########.fr */
/* Updated: 2017/03/07 14:36:46 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */