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deps: update uvwasi · nodejs/node@5d545d0 · GitHub

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deps: update uvwasi
PR-URL: #30745 Refs: https://github.com/nodejs/quic/blob/34ee0bc96f804c73cb22b2945a1a78f780938492/src/node_mem.h Refs: nodejs/quic#126 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Rich Trott <rtrott@gmail.com>
1 parent 1148724 commit 5d545d0

5 files changed

Lines changed: 497 additions & 178 deletions

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‎deps/uvwasi/include/fd_table.h‎

Lines changed: 11 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -16,6 +16,7 @@
1616
# define PATH_MAX_BYTES (PATH_MAX)
1717
#endif
1818

19+
struct uvwasi_s;
1920

2021
struct uvwasi_fd_wrap_t {
2122
uvwasi_fd_t id;
@@ -27,22 +28,28 @@ struct uvwasi_fd_wrap_t {
2728
uvwasi_rights_t rights_inheriting;
2829
int preopen;
2930
int valid;
31+
uv_mutex_t mutex;
3032
};
3133

3234
struct uvwasi_fd_table_t {
3335
struct uvwasi_fd_wrap_t* fds;
3436
uint32_t size;
3537
uint32_t used;
38+
uv_rwlock_t rwlock;
3639
};
3740

38-
uvwasi_errno_t uvwasi_fd_table_init(struct uvwasi_fd_table_t* table,
41+
uvwasi_errno_t uvwasi_fd_table_init(struct uvwasi_s* uvwasi,
42+
struct uvwasi_fd_table_t* table,
3943
uint32_t init_size);
40-
void uvwasi_fd_table_free(struct uvwasi_fd_table_t* table);
41-
uvwasi_errno_t uvwasi_fd_table_insert_preopen(struct uvwasi_fd_table_t* table,
44+
void uvwasi_fd_table_free(struct uvwasi_s* uvwasi,
45+
struct uvwasi_fd_table_t* table);
46+
uvwasi_errno_t uvwasi_fd_table_insert_preopen(struct uvwasi_s* uvwasi,
47+
struct uvwasi_fd_table_t* table,
4248
const uv_file fd,
4349
const char* path,
4450
const char* real_path);
45-
uvwasi_errno_t uvwasi_fd_table_insert_fd(struct uvwasi_fd_table_t* table,
51+
uvwasi_errno_t uvwasi_fd_table_insert_fd(struct uvwasi_s* uvwasi,
52+
struct uvwasi_fd_table_t* table,
4653
const uv_file fd,
4754
const int flags,
4855
const char* path,

‎deps/uvwasi/include/uvwasi.h‎

Lines changed: 15 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -20,7 +20,20 @@ extern "C" {
2020
#define UVWASI_VERSION_STRING UVWASI_STRINGIFY(UVWASI_VERSION_MAJOR) "." \
2121
UVWASI_STRINGIFY(UVWASI_VERSION_MINOR) "." \
2222
UVWASI_STRINGIFY(UVWASI_VERSION_PATCH)
23+
#define UVWASI_VERSION_WASI "snapshot_0"
2324

25+
typedef void* (*uvwasi_malloc)(size_t size, void* mem_user_data);
26+
typedef void (*uvwasi_free)(void* ptr, void* mem_user_data);
27+
typedef void* (*uvwasi_calloc)(size_t nmemb, size_t size, void* mem_user_data);
28+
typedef void* (*uvwasi_realloc)(void* ptr, size_t size, void* mem_user_data);
29+
30+
typedef struct uvwasi_mem_s {
31+
void* mem_user_data;
32+
uvwasi_malloc malloc;
33+
uvwasi_free free;
34+
uvwasi_calloc calloc;
35+
uvwasi_realloc realloc;
36+
} uvwasi_mem_t;
2437

2538
typedef struct uvwasi_s {
2639
struct uvwasi_fd_table_t fds;
@@ -32,6 +45,7 @@ typedef struct uvwasi_s {
3245
char** env;
3346
char* env_buf;
3447
size_t env_buf_size;
48+
const uvwasi_mem_t* allocator;
3549
} uvwasi_t;
3650

3751
typedef struct uvwasi_preopen_s {
@@ -46,9 +60,9 @@ typedef struct uvwasi_options_s {
4660
size_t argc;
4761
char** argv;
4862
char** envp;
63+
const uvwasi_mem_t* allocator;
4964
} uvwasi_options_t;
5065

51-
5266
// Embedder API.
5367
uvwasi_errno_t uvwasi_init(uvwasi_t* uvwasi, uvwasi_options_t* options);
5468
void uvwasi_destroy(uvwasi_t* uvwasi);

‎deps/uvwasi/src/fd_table.c‎

Lines changed: 94 additions & 31 deletions
Original file line numberDiff line numberDiff line change
@@ -10,6 +10,7 @@
1010
#include "fd_table.h"
1111
#include "wasi_types.h"
1212
#include "uv_mapping.h"
13+
#include "uvwasi_alloc.h"
1314

1415

1516
#define UVWASI__RIGHTS_ALL (UVWASI_RIGHT_FD_DATASYNC | \
@@ -175,7 +176,8 @@ static uvwasi_errno_t uvwasi__get_type_and_rights(uv_file fd,
175176
}
176177

177178

178-
static uvwasi_errno_t uvwasi__fd_table_insert(struct uvwasi_fd_table_t* table,
179+
static uvwasi_errno_t uvwasi__fd_table_insert(uvwasi_t* uvwasi,
180+
struct uvwasi_fd_table_t* table,
179181
uv_file fd,
180182
const char* mapped_path,
181183
const char* real_path,
@@ -186,16 +188,22 @@ static uvwasi_errno_t uvwasi__fd_table_insert(struct uvwasi_fd_table_t* table,
186188
struct uvwasi_fd_wrap_t** wrap) {
187189
struct uvwasi_fd_wrap_t* entry;
188190
struct uvwasi_fd_wrap_t* new_fds;
191+
uvwasi_errno_t err;
189192
uint32_t new_size;
190193
int index;
191194
uint32_t i;
195+
int r;
196+
197+
uv_rwlock_wrlock(&table->rwlock);
192198

193199
/* Check that there is room for a new item. If there isn't, grow the table. */
194200
if (table->used >= table->size) {
195201
new_size = table->size * 2;
196-
new_fds = realloc(table->fds, new_size * sizeof(*new_fds));
197-
if (new_fds == NULL)
198-
return UVWASI_ENOMEM;
202+
new_fds = uvwasi__realloc(uvwasi, table->fds, new_size * sizeof(*new_fds));
203+
if (new_fds == NULL) {
204+
err = UVWASI_ENOMEM;
205+
goto exit;
206+
}
199207

200208
for (i = table->size; i < new_size; ++i)
201209
new_fds[i].valid = 0;
@@ -214,11 +222,20 @@ static uvwasi_errno_t uvwasi__fd_table_insert(struct uvwasi_fd_table_t* table,
214222
}
215223

216224
/* index should never be -1. */
217-
if (index == -1)
218-
return UVWASI_ENOSPC;
225+
if (index == -1) {
226+
err = UVWASI_ENOSPC;
227+
goto exit;
228+
}
219229
}
220230

221231
entry = &table->fds[index];
232+
233+
r = uv_mutex_init(&entry->mutex);
234+
if (r != 0) {
235+
err = uvwasi__translate_uv_error(r);
236+
goto exit;
237+
}
238+
222239
entry->id = index;
223240
entry->fd = fd;
224241
strcpy(entry->path, mapped_path);
@@ -233,29 +250,43 @@ static uvwasi_errno_t uvwasi__fd_table_insert(struct uvwasi_fd_table_t* table,
233250
if (wrap != NULL)
234251
*wrap = entry;
235252

236-
return UVWASI_ESUCCESS;
253+
err = UVWASI_ESUCCESS;
254+
exit:
255+
uv_rwlock_wrunlock(&table->rwlock);
256+
return err;
237257
}
238258

239259

240-
uvwasi_errno_t uvwasi_fd_table_init(struct uvwasi_fd_table_t* table,
260+
uvwasi_errno_t uvwasi_fd_table_init(uvwasi_t* uvwasi,
261+
struct uvwasi_fd_table_t* table,
241262
uint32_t init_size) {
242263
struct uvwasi_fd_wrap_t* wrap;
243264
uvwasi_filetype_t type;
244265
uvwasi_rights_t base;
245266
uvwasi_rights_t inheriting;
246267
uvwasi_errno_t err;
247268
uvwasi_fd_t i;
269+
int r;
248270

249271
/* Require an initial size of at least three to store the stdio FDs. */
250272
if (table == NULL || init_size < 3)
251273
return UVWASI_EINVAL;
252274

275+
table->fds = NULL;
276+
r = uv_rwlock_init(&table->rwlock);
277+
if (r != 0)
278+
return uvwasi__translate_uv_error(r);
279+
253280
table->used = 0;
254281
table->size = init_size;
255-
table->fds = calloc(init_size, sizeof(struct uvwasi_fd_wrap_t));
282+
table->fds = uvwasi__calloc(uvwasi,
283+
init_size,
284+
sizeof(struct uvwasi_fd_wrap_t));
256285

257-
if (table->fds == NULL)
258-
return UVWASI_ENOMEM;
286+
if (table->fds == NULL) {
287+
err = UVWASI_ENOMEM;
288+
goto error_exit;
289+
}
259290

260291
/* Create the stdio FDs. */
261292
for (i = 0; i < 3; ++i) {
@@ -267,7 +298,8 @@ uvwasi_errno_t uvwasi_fd_table_init(struct uvwasi_fd_table_t* table,
267298
if (err != UVWASI_ESUCCESS)
268299
goto error_exit;
269300

270-
err = uvwasi__fd_table_insert(table,
301+
err = uvwasi__fd_table_insert(uvwasi,
302+
table,
271303
i,
272304
"",
273305
"",
@@ -287,23 +319,25 @@ uvwasi_errno_t uvwasi_fd_table_init(struct uvwasi_fd_table_t* table,
287319

288320
return UVWASI_ESUCCESS;
289321
error_exit:
290-
uvwasi_fd_table_free(table);
322+
uvwasi_fd_table_free(uvwasi, table);
291323
return err;
292324
}
293325

294326

295-
void uvwasi_fd_table_free(struct uvwasi_fd_table_t* table) {
327+
void uvwasi_fd_table_free(uvwasi_t* uvwasi, struct uvwasi_fd_table_t* table) {
296328
if (table == NULL)
297329
return;
298330

299-
free(table->fds);
331+
uvwasi__free(uvwasi, table->fds);
300332
table->fds = NULL;
301333
table->size = 0;
302334
table->used = 0;
335+
uv_rwlock_destroy(&table->rwlock);
303336
}
304337

305338

306-
uvwasi_errno_t uvwasi_fd_table_insert_preopen(struct uvwasi_fd_table_t* table,
339+
uvwasi_errno_t uvwasi_fd_table_insert_preopen(uvwasi_t* uvwasi,
340+
struct uvwasi_fd_table_t* table,
307341
const uv_file fd,
308342
const char* path,
309343
const char* real_path) {
@@ -322,7 +356,8 @@ uvwasi_errno_t uvwasi_fd_table_insert_preopen(struct uvwasi_fd_table_t* table,
322356
if (type != UVWASI_FILETYPE_DIRECTORY)
323357
return UVWASI_ENOTDIR;
324358

325-
err = uvwasi__fd_table_insert(table,
359+
err = uvwasi__fd_table_insert(uvwasi,
360+
table,
326361
fd,
327362
path,
328363
real_path,
@@ -338,7 +373,8 @@ uvwasi_errno_t uvwasi_fd_table_insert_preopen(struct uvwasi_fd_table_t* table,
338373
}
339374

340375

341-
uvwasi_errno_t uvwasi_fd_table_insert_fd(struct uvwasi_fd_table_t* table,
376+
uvwasi_errno_t uvwasi_fd_table_insert_fd(uvwasi_t* uvwasi,
377+
struct uvwasi_fd_table_t* table,
342378
const uv_file fd,
343379
const int flags,
344380
const char* path,
@@ -358,7 +394,8 @@ uvwasi_errno_t uvwasi_fd_table_insert_fd(struct uvwasi_fd_table_t* table,
358394
if (r != UVWASI_ESUCCESS)
359395
return r;
360396

361-
r = uvwasi__fd_table_insert(table,
397+
r = uvwasi__fd_table_insert(uvwasi,
398+
table,
362399
fd,
363400
path,
364401
path,
@@ -381,42 +418,68 @@ uvwasi_errno_t uvwasi_fd_table_get(const struct uvwasi_fd_table_t* table,
381418
uvwasi_rights_t rights_base,
382419
uvwasi_rights_t rights_inheriting) {
383420
struct uvwasi_fd_wrap_t* entry;
421+
uvwasi_errno_t err;
384422

385423
if (table == NULL || wrap == NULL)
386424
return UVWASI_EINVAL;
387-
if (id >= table->size)
388-
return UVWASI_EBADF;
425+
426+
uv_rwlock_rdlock((uv_rwlock_t *)&table->rwlock);
427+
428+
if (id >= table->size) {
429+
err = UVWASI_EBADF;
430+
goto exit;
431+
}
389432

390433
entry = &table->fds[id];
391434

392-
if (entry->valid != 1 || entry->id != id)
393-
return UVWASI_EBADF;
435+
if (entry->valid != 1 || entry->id != id) {
436+
err = UVWASI_EBADF;
437+
goto exit;
438+
}
394439

395440
/* Validate that the fd has the necessary rights. */
396441
if ((~entry->rights_base & rights_base) != 0 ||
397-
(~entry->rights_inheriting & rights_inheriting) != 0)
398-
return UVWASI_ENOTCAPABLE;
442+
(~entry->rights_inheriting & rights_inheriting) != 0) {
443+
err = UVWASI_ENOTCAPABLE;
444+
goto exit;
445+
}
399446

447+
uv_mutex_lock(&entry->mutex);
400448
*wrap = entry;
401-
return UVWASI_ESUCCESS;
449+
err = UVWASI_ESUCCESS;
450+
exit:
451+
uv_rwlock_rdunlock((uv_rwlock_t *)&table->rwlock);
452+
return err;
402453
}
403454

404455

405456
uvwasi_errno_t uvwasi_fd_table_remove(struct uvwasi_fd_table_t* table,
406457
const uvwasi_fd_t id) {
407458
struct uvwasi_fd_wrap_t* entry;
459+
uvwasi_errno_t err;
408460

409461
if (table == NULL)
410462
return UVWASI_EINVAL;
411-
if (id >= table->size)
412-
return UVWASI_EBADF;
463+
464+
uv_rwlock_wrlock(&table->rwlock);
465+
466+
if (id >= table->size) {
467+
err = UVWASI_EBADF;
468+
goto exit;
469+
}
413470

414471
entry = &table->fds[id];
415472

416-
if (entry->valid != 1 || entry->id != id)
417-
return UVWASI_EBADF;
473+
if (entry->valid != 1 || entry->id != id) {
474+
err = UVWASI_EBADF;
475+
goto exit;
476+
}
418477

478+
uv_mutex_destroy(&entry->mutex);
419479
entry->valid = 0;
420480
table->used--;
421-
return UVWASI_ESUCCESS;
481+
err = UVWASI_ESUCCESS;
482+
exit:
483+
uv_rwlock_wrunlock(&table->rwlock);
484+
return err;
422485
}

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