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Matheus
45 lines
773 B
C
45 lines
773 B
C
#ifndef FILE_H
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#define FILE_H
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#include <kernel/vfs.h>
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#include <mutex.h>
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typedef struct file_t {
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vnode_t *vnode;
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mutex_t mutex;
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int refcount;
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mode_t mode;
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uintmax_t offset;
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int flags;
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} file_t;
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typedef struct fd_t {
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file_t *file;
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int flags;
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} fd_t;
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file_t *fd_allocate();
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file_t *fd_get(int fd);
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void fd_release(file_t *file);
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int fd_new(int flags, file_t **file, int *fd);
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int fd_close(int fd);
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int fd_dup(int oldfd, int newfd, bool exact, int flags, int *ret);
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#define FILE_READ 1
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#define FILE_WRITE 2
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#define FILE_KNOWN_FLAGS 3
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static inline int fileflagstovnodeflags(int flags) {
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int vnflags = 0;
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if (flags & FILE_READ)
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vnflags |= V_FFLAGS_READ;
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if (flags & FILE_WRITE)
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vnflags |= V_FFLAGS_WRITE;
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return vnflags;
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}
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#define AT_FDCWD -100
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#endif
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