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PR-URL: #49908 Reviewed-By: Tobias Nießen <tniessen@tnie.de> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| #include "uv.h" | ||
| #include "sync_helpers.h" | ||
| #include "uv_mapping.h" | ||
| #include "uvwasi_alloc.h" | ||
|
|
||
| typedef struct free_handle_data_s { | ||
| uvwasi_t* uvwasi; | ||
| int done; | ||
| } free_handle_data_t; | ||
|
|
||
| static void free_handle_cb(uv_handle_t* handle) { | ||
| free_handle_data_t* free_handle_data = uv_handle_get_data((uv_handle_t*) handle); | ||
| uvwasi__free(free_handle_data->uvwasi, handle); | ||
| free_handle_data->done = 1; | ||
| } | ||
|
|
||
| int free_handle_sync(struct uvwasi_s* uvwasi, uv_handle_t* handle) { | ||
| free_handle_data_t free_handle_data = { uvwasi, 0 }; | ||
| uv_handle_set_data(handle, (void*) &free_handle_data); | ||
| uv_close(handle, free_handle_cb); | ||
| uv_loop_t* handle_loop = uv_handle_get_loop(handle); | ||
| while(!free_handle_data.done) { | ||
| if (uv_run(handle_loop, UV_RUN_ONCE) == 0) { | ||
| break; | ||
| } | ||
| } | ||
| return UVWASI_ESUCCESS; | ||
| } | ||
|
|
||
| static void do_stream_shutdown(uv_shutdown_t* req, int status) { | ||
| shutdown_data_t* shutdown_data; | ||
| shutdown_data = uv_handle_get_data((uv_handle_t*) req->handle); | ||
| shutdown_data->status = status; | ||
| shutdown_data->done = 1; | ||
| } | ||
|
|
||
| int shutdown_stream_sync(struct uvwasi_s* uvwasi, | ||
| uv_stream_t* stream, | ||
| shutdown_data_t* shutdown_data) { | ||
| uv_shutdown_t req; | ||
| uv_loop_t* stream_loop; | ||
|
|
||
| shutdown_data->done = 0; | ||
| shutdown_data->status = 0; | ||
| stream_loop = uv_handle_get_loop((uv_handle_t*) stream); | ||
|
|
||
| uv_handle_set_data((uv_handle_t*) stream, (void*) shutdown_data); | ||
| uv_shutdown(&req, stream, do_stream_shutdown); | ||
| while (!shutdown_data->done) { | ||
| if (uv_run(stream_loop, UV_RUN_ONCE) == 0) { | ||
| return UVWASI_ECANCELED; | ||
| } | ||
| } | ||
| return UVWASI_ESUCCESS; | ||
| } | ||
|
|
||
| static void recv_alloc_cb(uv_handle_t* handle, size_t suggested_size, uv_buf_t* buf) { | ||
| recv_data_t* recv_data; | ||
| recv_data = uv_handle_get_data(handle); | ||
| buf->base = recv_data->base; | ||
| buf->len = recv_data->len; | ||
| } | ||
|
|
||
| void do_stream_recv(uv_stream_t* stream, ssize_t nread, const uv_buf_t* buf) { | ||
| recv_data_t* recv_data; | ||
| recv_data = uv_handle_get_data((uv_handle_t*) stream); | ||
| uv_read_stop(stream); | ||
| recv_data->nread = nread; | ||
| recv_data->done = 1; | ||
| } | ||
|
|
||
| int read_stream_sync(struct uvwasi_s* uvwasi, | ||
| uv_stream_t* stream, | ||
| recv_data_t* recv_data) { | ||
| uv_loop_t* recv_loop; | ||
| int r; | ||
|
|
||
| recv_data->nread = 0; | ||
| recv_data->done = 0; | ||
| recv_loop = uv_handle_get_loop((uv_handle_t*) stream); | ||
|
|
||
| uv_handle_set_data((uv_handle_t*) stream, (void*) recv_data); | ||
| r = uv_read_start(stream, recv_alloc_cb, do_stream_recv); | ||
| if (r != 0) { | ||
| return uvwasi__translate_uv_error(r); | ||
| } | ||
|
|
||
| while (!recv_data->done) { | ||
| if (uv_run(recv_loop, UV_RUN_ONCE) == 0) { | ||
| return UVWASI_ECANCELED; | ||
| } | ||
| } | ||
|
|
||
| return UVWASI_ESUCCESS; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,27 @@ | ||
| #ifndef __UVWASI_SYNC_HELPERS_H__ | ||
| #define __UVWASI_SYNC_HELPERS_H__ | ||
|
|
||
| struct uvwasi_s; | ||
|
|
||
| typedef struct shutdown_data_s { | ||
| int status; | ||
| int done; | ||
| } shutdown_data_t; | ||
|
|
||
| typedef struct recv_data_s { | ||
| char* base; | ||
| size_t len; | ||
| ssize_t nread; | ||
| int done; | ||
| } recv_data_t; | ||
|
|
||
| int free_handle_sync(struct uvwasi_s* uvwasi, uv_handle_t* handle); | ||
|
|
||
| int shutdown_stream_sync(struct uvwasi_s* uvwasi, | ||
| uv_stream_t* stream, | ||
| shutdown_data_t* shutdown_data); | ||
|
|
||
| int read_stream_sync(struct uvwasi_s* uvwasi, | ||
| uv_stream_t* stream, | ||
| recv_data_t* recv_data); | ||
| #endif /* __UVWASI_SYNC_HELPERS_H__ */ |
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