nsprpub/pr/src/cplus/tests/interval.cpp@ca08bd8f51b2 (annotated)
nsprpub/pr/src/cplus/tests/interval.cpp
Wed, 31 Dec 2014 06:55:46 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:55:46 +0100
- changeset 1
- ca08bd8f51b2
- permissions
- -rw-r--r--
Added tag TORBROWSER_REPLICA for changeset 6474c204b198
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | /* interval.cpp - a test program */ |
| michael@0 | 7 | |
| michael@0 | 8 | #include "rclock.h" |
| michael@0 | 9 | #include "rcthread.h" |
| michael@0 | 10 | #include "rcinrval.h" |
| michael@0 | 11 | #include "rccv.h" |
| michael@0 | 12 | |
| michael@0 | 13 | #include <prio.h> |
| michael@0 | 14 | #include <prlog.h> |
| michael@0 | 15 | #include <prprf.h> |
| michael@0 | 16 | |
| michael@0 | 17 | #define DEFAULT_ITERATIONS 100 |
| michael@0 | 18 | |
| michael@0 | 19 | PRIntn main(PRIntn argc, char **argv) |
| michael@0 | 20 | { |
| michael@0 | 21 | RCLock ml; |
| michael@0 | 22 | PRStatus rv; |
| michael@0 | 23 | RCCondition cv(&ml); |
| michael@0 | 24 | |
| michael@0 | 25 | RCInterval now, timeout, epoch, elapsed; |
| michael@0 | 26 | PRFileDesc *output = PR_GetSpecialFD(PR_StandardOutput); |
| michael@0 | 27 | PRIntn msecs, seconds, loops, iterations = DEFAULT_ITERATIONS; |
| michael@0 | 28 | |
| michael@0 | 29 | /* slow, agonizing waits */ |
| michael@0 | 30 | for (seconds = 0; seconds < 10; ++seconds) |
| michael@0 | 31 | { |
| michael@0 | 32 | timeout = RCInterval::FromSeconds(seconds); |
| michael@0 | 33 | cv.SetTimeout(timeout); |
| michael@0 | 34 | { |
| michael@0 | 35 | RCEnter lock(&ml); |
| michael@0 | 36 | |
| michael@0 | 37 | epoch.SetToNow(); |
| michael@0 | 38 | |
| michael@0 | 39 | rv = cv.Wait(); |
| michael@0 | 40 | PR_ASSERT(PR_SUCCESS == rv); |
| michael@0 | 41 | |
| michael@0 | 42 | now = RCInterval(RCInterval::now); |
| michael@0 | 43 | elapsed = now - epoch; |
| michael@0 | 44 | } |
| michael@0 | 45 | |
| michael@0 | 46 | PR_fprintf( |
| michael@0 | 47 | output, "Waiting %u seconds took %s%u milliseconds\n", |
| michael@0 | 48 | seconds, ((elapsed < timeout)? "**" : ""), |
| michael@0 | 49 | elapsed.ToMilliseconds()); |
| michael@0 | 50 | } |
| michael@0 | 51 | |
| michael@0 | 52 | /* more slow, agonizing sleeps */ |
| michael@0 | 53 | for (seconds = 0; seconds < 10; ++seconds) |
| michael@0 | 54 | { |
| michael@0 | 55 | timeout = RCInterval::FromSeconds(seconds); |
| michael@0 | 56 | { |
| michael@0 | 57 | epoch.SetToNow(); |
| michael@0 | 58 | |
| michael@0 | 59 | rv = RCThread::Sleep(timeout); |
| michael@0 | 60 | PR_ASSERT(PR_SUCCESS == rv); |
| michael@0 | 61 | |
| michael@0 | 62 | now = RCInterval(RCInterval::now); |
| michael@0 | 63 | elapsed = now - epoch; |
| michael@0 | 64 | } |
| michael@0 | 65 | |
| michael@0 | 66 | PR_fprintf( |
| michael@0 | 67 | output, "Sleeping %u seconds took %s%u milliseconds\n", |
| michael@0 | 68 | seconds, ((elapsed < timeout)? "**" : ""), |
| michael@0 | 69 | elapsed.ToMilliseconds()); |
| michael@0 | 70 | } |
| michael@0 | 71 | |
| michael@0 | 72 | /* fast, spritely little devils */ |
| michael@0 | 73 | for (msecs = 10; msecs < 100; msecs += 10) |
| michael@0 | 74 | { |
| michael@0 | 75 | timeout = RCInterval::FromMilliseconds(msecs); |
| michael@0 | 76 | cv.SetTimeout(timeout); |
| michael@0 | 77 | { |
| michael@0 | 78 | RCEnter lock(&ml); |
| michael@0 | 79 | |
| michael@0 | 80 | epoch.SetToNow(); |
| michael@0 | 81 | |
| michael@0 | 82 | for (loops = 0; loops < iterations; ++loops) |
| michael@0 | 83 | { |
| michael@0 | 84 | rv = cv.Wait(); |
| michael@0 | 85 | PR_ASSERT(PR_SUCCESS == rv); |
| michael@0 | 86 | } |
| michael@0 | 87 | |
| michael@0 | 88 | now = RCInterval(RCInterval::now); |
| michael@0 | 89 | elapsed = now - epoch; |
| michael@0 | 90 | } |
| michael@0 | 91 | elapsed /= iterations; |
| michael@0 | 92 | |
| michael@0 | 93 | PR_fprintf( |
| michael@0 | 94 | output, "Waiting %u msecs took %s%u milliseconds average\n", |
| michael@0 | 95 | msecs, ((elapsed < timeout)? "**" : ""), elapsed.ToMilliseconds()); |
| michael@0 | 96 | } |
| michael@0 | 97 | return 0; |
| michael@0 | 98 | } /* main */ |
| michael@0 | 99 | |
| michael@0 | 100 | /* interval.cpp */ |
| michael@0 | 101 |
