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#ifndef __UVWASI_FD_TABLE_H__
#define __UVWASI_FD_TABLE_H__
#include <stdint.h>
#include "uv.h"
#include "wasi_types.h"
#include "uv_mapping.h"
/* TODO(cjihrig): PATH_MAX_BYTES shouldn't be stack allocated. On Windows, paths
can be 32k long, and this PATH_MAX_BYTES is an artificial limitation. */
#ifdef _WIN32
/* MAX_PATH is in characters, not bytes. Make sure we have enough headroom. */
# define PATH_MAX_BYTES (MAX_PATH * 4)
#else
# include <limits.h>
# define PATH_MAX_BYTES (PATH_MAX)
#endif
struct uvwasi_s;
struct uvwasi_fd_wrap_t {
uvwasi_fd_t id;
uv_file fd;
char path[PATH_MAX_BYTES];
char real_path[PATH_MAX_BYTES];
uvwasi_filetype_t type;
uvwasi_rights_t rights_base;
uvwasi_rights_t rights_inheriting;
int preopen;
int valid;
uv_mutex_t mutex;
};
struct uvwasi_fd_table_t {
struct uvwasi_fd_wrap_t* fds;
uint32_t size;
uint32_t used;
uv_rwlock_t rwlock;
};
uvwasi_errno_t uvwasi_fd_table_init(struct uvwasi_s* uvwasi,
struct uvwasi_fd_table_t* table,
uint32_t init_size);
void uvwasi_fd_table_free(struct uvwasi_s* uvwasi,
struct uvwasi_fd_table_t* table);
uvwasi_errno_t uvwasi_fd_table_insert_preopen(struct uvwasi_s* uvwasi,
struct uvwasi_fd_table_t* table,
const uv_file fd,
const char* path,
const char* real_path);
uvwasi_errno_t uvwasi_fd_table_insert_fd(struct uvwasi_s* uvwasi,
struct uvwasi_fd_table_t* table,
const uv_file fd,
const int flags,
const char* path,
uvwasi_rights_t rights_base,
uvwasi_rights_t rights_inheriting,
struct uvwasi_fd_wrap_t* wrap);
uvwasi_errno_t uvwasi_fd_table_get(const struct uvwasi_fd_table_t* table,
const uvwasi_fd_t id,
struct uvwasi_fd_wrap_t** wrap,
uvwasi_rights_t rights_base,
uvwasi_rights_t rights_inheriting);
uvwasi_errno_t uvwasi_fd_table_remove(struct uvwasi_fd_table_t* table,
const uvwasi_fd_t id);
#endif /* __UVWASI_FD_TABLE_H__ */
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