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process: add _getActiveHandles(), _getActiveRequests()
* process._getActiveHandles() returns a list containing all active handles (timers, sockets, etc.) that have not been unref'd. * process._getActiveRequests() returns a list of active requests (in-flight actions like connecting to a remote host, writing data to a socket, etc.).
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,106 @@ | ||
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| /* | ||
| * Copyright (C) Igor Sysoev | ||
| */ | ||
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| #ifndef NGX_QUEUE_H_INCLUDED_ | ||
| #define NGX_QUEUE_H_INCLUDED_ | ||
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| typedef struct ngx_queue_s ngx_queue_t; | ||
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| struct ngx_queue_s { | ||
| ngx_queue_t *prev; | ||
| ngx_queue_t *next; | ||
| }; | ||
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| #define ngx_queue_init(q) \ | ||
| (q)->prev = q; \ | ||
| (q)->next = q | ||
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| #define ngx_queue_empty(h) \ | ||
| (h == (h)->prev) | ||
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| #define ngx_queue_insert_head(h, x) \ | ||
| (x)->next = (h)->next; \ | ||
| (x)->next->prev = x; \ | ||
| (x)->prev = h; \ | ||
| (h)->next = x | ||
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| #define ngx_queue_insert_after ngx_queue_insert_head | ||
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| #define ngx_queue_insert_tail(h, x) \ | ||
| (x)->prev = (h)->prev; \ | ||
| (x)->prev->next = x; \ | ||
| (x)->next = h; \ | ||
| (h)->prev = x | ||
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| #define ngx_queue_head(h) \ | ||
| (h)->next | ||
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| #define ngx_queue_last(h) \ | ||
| (h)->prev | ||
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| #define ngx_queue_sentinel(h) \ | ||
| (h) | ||
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| #define ngx_queue_next(q) \ | ||
| (q)->next | ||
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| #define ngx_queue_prev(q) \ | ||
| (q)->prev | ||
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| #if (NGX_DEBUG) | ||
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| #define ngx_queue_remove(x) \ | ||
| (x)->next->prev = (x)->prev; \ | ||
| (x)->prev->next = (x)->next; \ | ||
| (x)->prev = NULL; \ | ||
| (x)->next = NULL | ||
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| #else | ||
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| #define ngx_queue_remove(x) \ | ||
| (x)->next->prev = (x)->prev; \ | ||
| (x)->prev->next = (x)->next | ||
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| #endif | ||
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| #define ngx_queue_split(h, q, n) \ | ||
| (n)->prev = (h)->prev; \ | ||
| (n)->prev->next = n; \ | ||
| (n)->next = q; \ | ||
| (h)->prev = (q)->prev; \ | ||
| (h)->prev->next = h; \ | ||
| (q)->prev = n; | ||
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| #define ngx_queue_add(h, n) \ | ||
| (h)->prev->next = (n)->next; \ | ||
| (n)->next->prev = (h)->prev; \ | ||
| (h)->prev = (n)->prev; \ | ||
| (h)->prev->next = h; | ||
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| #define ngx_queue_data(q, type, link) \ | ||
| (type *) ((unsigned char *) q - offsetof(type, link)) | ||
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| #define ngx_queue_foreach(q, h) \ | ||
| for ((q) = ngx_queue_head(h); (q) != (h); (q) = ngx_queue_next(q)) | ||
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| #endif /* NGX_QUEUE_H_INCLUDED_ */ |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,54 @@ | ||
| // Copyright Joyent, Inc. and other Node contributors. | ||
| // | ||
| // Permission is hereby granted, free of charge, to any person obtaining a | ||
| // copy of this software and associated documentation files (the | ||
| // "Software"), to deal in the Software without restriction, including | ||
| // without limitation the rights to use, copy, modify, merge, publish, | ||
| // distribute, sublicense, and/or sell copies of the Software, and to permit | ||
| // persons to whom the Software is furnished to do so, subject to the | ||
| // following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included | ||
| // in all copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | ||
| // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | ||
| // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN | ||
| // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, | ||
| // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR | ||
| // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE | ||
| // USE OR OTHER DEALINGS IN THE SOFTWARE. | ||
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| var common = require('../common'); | ||
| var assert = require('assert'); | ||
| var spawn = require('child_process').spawn; | ||
| var net = require('net'); | ||
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| function expect(activeHandles, activeRequests) { | ||
| assert.equal(process._getActiveHandles().length, activeHandles); | ||
| assert.equal(process._getActiveRequests().length, activeRequests); | ||
| } | ||
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| (function() { | ||
| expect(0, 0); | ||
| var server = net.createServer().listen(common.PORT); | ||
| expect(1, 0); | ||
| server.close(); | ||
| expect(1, 0); // server handle doesn't shut down until next tick | ||
| })(); | ||
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| (function() { | ||
| expect(1, 0); | ||
| var conn = net.createConnection(common.PORT); | ||
| conn.on('error', function() { /* ignore */ }); | ||
| expect(2, 1); | ||
| conn.destroy(); | ||
| expect(2, 1); // client handle doesn't shut down until next tick | ||
| })(); | ||
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| process.nextTick(function() { | ||
| process.nextTick(function() { | ||
| // the handles should be gone but the connect req could still be alive | ||
| assert.equal(process._getActiveHandles().length, 0); | ||
| }); | ||
| }); |