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wasi: introduce initial WASI support
Co-authored-by: Gus Caplan <me@gus.host> Co-authored-by: Daniel Bevenius <daniel.bevenius@gmail.com> Co-authored-by: Jiawen Geng <technicalcute@gmail.com> Co-authored-by: Tobias Nießen <tniessen@tnie.de> Co-authored-by: Chengzhong Wu <legendecas@gmail.com> PR-URL: #30258 Refs: #27850 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Saúl Ibarra Corretgé <saghul@gmail.com> Reviewed-By: Guy Bedford <guybedford@gmail.com> Reviewed-By: Richard Lau <riclau@uk.ibm.com> Reviewed-By: Wyatt Preul <wpreul@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Tobias Nießen <tniessen@tnie.de> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Chengzhong Wu <legendecas@gmail.com> Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>
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‎LICENSE‎

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‎deps/uvwasi/LICENSE‎

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MIT License
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Copyright (c) 2019 Colin Ihrig and Contributors
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.

‎deps/uvwasi/include/clocks.h‎

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#ifndef __UVWASI_CLOCKS_H__
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#define __UVWASI_CLOCKS_H__
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#include "wasi_types.h"
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uvwasi_errno_t uvwasi__clock_gettime_realtime(uvwasi_timestamp_t* time);
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uvwasi_errno_t uvwasi__clock_gettime_process_cputime(uvwasi_timestamp_t* time);
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uvwasi_errno_t uvwasi__clock_gettime_thread_cputime(uvwasi_timestamp_t* time);
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uvwasi_errno_t uvwasi__clock_getres_process_cputime(uvwasi_timestamp_t* time);
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uvwasi_errno_t uvwasi__clock_getres_thread_cputime(uvwasi_timestamp_t* time);
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#endif /* __UVWASI_CLOCKS_H__ */

‎deps/uvwasi/include/fd_table.h‎

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

‎deps/uvwasi/include/uv_mapping.h‎

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#ifndef __UVWASI_UV_MAPPING_H__
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#define __UVWASI_UV_MAPPING_H__
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#include "uv.h"
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#include "wasi_types.h"
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#define NANOS_PER_SEC 1000000000
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uvwasi_errno_t uvwasi__translate_uv_error(int err);
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int uvwasi__translate_to_uv_signal(uvwasi_signal_t sig);
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uvwasi_timestamp_t uvwasi__timespec_to_timestamp(const uv_timespec_t* ts);
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uvwasi_filetype_t uvwasi__stat_to_filetype(const uv_stat_t* stat);
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void uvwasi__stat_to_filestat(const uv_stat_t* stat, uvwasi_filestat_t* fs);
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#endif /* __UVWASI_UV_MAPPING_H__ */

‎deps/uvwasi/include/uvwasi.h‎

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