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stdme os revamped

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Maieul BOYER 2024-08-01 07:26:32 +02:00
parent f29e4ad7ef
commit 2c9a3ee834
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11 changed files with 285 additions and 274 deletions
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44
stdme/src/os/pipe.c
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@ -6,19 +6,51 @@
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/01/04 17:59:48 by maiboyer #+# #+# */
/* Updated: 2024/01/04 18:01:42 by maiboyer ### ########.fr */
/* Updated: 2024/08/01 06:56:14 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
#include "me/os/pipe.h"
#include "me/fs/fs.h"
#include "me/os/os.h"
#include "me/str/str.h"
static t_error _pipe_get_fd_slot(struct s_file_slot **read,
struct s_file_slot **write)
{
(*read) = get_unused_fd_slot();
if ((*read) == NULL)
return (ERROR);
(*read)->ty = SLOT_FD;
(*write) = get_unused_fd_slot();
if ((*write) == NULL)
return ((*read)->ty = SLOT_UNUSED, ERROR);
(*write)->ty = SLOT_FD;
return (NO_ERROR);
}
t_error create_pipe(t_pipe *out)
{
int fds[2];
int fd[2];
struct s_file_slot *read;
struct s_file_slot *write;
if (pipe(fds))
if (_pipe_get_fd_slot(&read, &write))
return (ERROR);
out->read = fds[0];
out->write = fds[1];
if (pipe(fd))
{
read->ty = SLOT_UNUSED;
write->ty = SLOT_UNUSED;
return (ERROR);
}
read->slot.fd.fd = fd[0];
write->slot.fd.fd = fd[0];
read->slot.fd.type = FD_PIPE;
write->slot.fd.type = FD_PIPE;
read->slot.fd.perms = FD_READ;
write->slot.fd.perms = FD_WRITE;
read->slot.fd.name = str_clone("<pipe[read]>");
write->slot.fd.name = str_clone("<pipe[write]>");
out->read = &read->slot.fd;
out->write = &write->slot.fd;
return (NO_ERROR);
}