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