Tue, 06 Jan 2015 21:39:09 +0100
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
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 | #include "nspr.h" |
michael@0 | 7 | |
michael@0 | 8 | #if defined(XP_UNIX) || defined(XP_OS2) |
michael@0 | 9 | |
michael@0 | 10 | #include <stdio.h> |
michael@0 | 11 | |
michael@0 | 12 | #ifndef XP_OS2 |
michael@0 | 13 | #include <unistd.h> |
michael@0 | 14 | #endif |
michael@0 | 15 | #include <sys/time.h> |
michael@0 | 16 | |
michael@0 | 17 | #if defined(HAVE_SVID_GETTOD) |
michael@0 | 18 | #define GTOD(_a) gettimeofday(_a) |
michael@0 | 19 | #else |
michael@0 | 20 | #define GTOD(_a) gettimeofday((_a), NULL) |
michael@0 | 21 | #endif |
michael@0 | 22 | |
michael@0 | 23 | static PRIntn rv = 0; |
michael@0 | 24 | |
michael@0 | 25 | static void Other(void *unused) |
michael@0 | 26 | { |
michael@0 | 27 | PRIntn didit = 0; |
michael@0 | 28 | while (PR_SUCCESS == PR_Sleep(PR_MillisecondsToInterval(250))) |
michael@0 | 29 | { |
michael@0 | 30 | fprintf(stderr, "."); |
michael@0 | 31 | didit += 1; |
michael@0 | 32 | } |
michael@0 | 33 | if (didit < 5) rv = 1; |
michael@0 | 34 | } |
michael@0 | 35 | |
michael@0 | 36 | int main(int argc, char **argv) |
michael@0 | 37 | { |
michael@0 | 38 | PRUint32 elapsed; |
michael@0 | 39 | PRThread *thread; |
michael@0 | 40 | struct timeval timein, timeout; |
michael@0 | 41 | PRInt32 onePercent = 3000000UL / 100UL; |
michael@0 | 42 | |
michael@0 | 43 | fprintf (stderr, "First sleep will sleep 3 seconds.\n"); |
michael@0 | 44 | fprintf (stderr, " sleep 1 begin\n"); |
michael@0 | 45 | (void)GTOD(&timein); |
michael@0 | 46 | sleep (3); |
michael@0 | 47 | (void)GTOD(&timeout); |
michael@0 | 48 | fprintf (stderr, " sleep 1 end\n"); |
michael@0 | 49 | elapsed = 1000000UL * (timeout.tv_sec - timein.tv_sec); |
michael@0 | 50 | elapsed += (timeout.tv_usec - timein.tv_usec); |
michael@0 | 51 | fprintf(stderr, "elapsed %u usecs\n", elapsed); |
michael@0 | 52 | if (labs(elapsed - 3000000UL) > onePercent) rv = 1; |
michael@0 | 53 | |
michael@0 | 54 | PR_Init (PR_USER_THREAD, PR_PRIORITY_NORMAL, 100); |
michael@0 | 55 | PR_STDIO_INIT(); |
michael@0 | 56 | |
michael@0 | 57 | fprintf (stderr, "Second sleep should do the same (does it?).\n"); |
michael@0 | 58 | fprintf (stderr, " sleep 2 begin\n"); |
michael@0 | 59 | (void)GTOD(&timein); |
michael@0 | 60 | sleep (3); |
michael@0 | 61 | (void)GTOD(&timeout); |
michael@0 | 62 | fprintf (stderr, " sleep 2 end\n"); |
michael@0 | 63 | elapsed = 1000000UL * (timeout.tv_sec - timein.tv_sec); |
michael@0 | 64 | elapsed += (timeout.tv_usec - timein.tv_usec); |
michael@0 | 65 | fprintf(stderr, "elapsed %u usecs\n", elapsed); |
michael@0 | 66 | if (labs(elapsed - 3000000UL) > onePercent) rv = 1; |
michael@0 | 67 | |
michael@0 | 68 | fprintf (stderr, "What happens to other threads?\n"); |
michael@0 | 69 | fprintf (stderr, "You should see dots every quarter second.\n"); |
michael@0 | 70 | fprintf (stderr, "If you don't, you're probably running on classic NSPR.\n"); |
michael@0 | 71 | thread = PR_CreateThread( |
michael@0 | 72 | PR_USER_THREAD, Other, NULL, PR_PRIORITY_NORMAL, |
michael@0 | 73 | PR_LOCAL_THREAD, PR_JOINABLE_THREAD, 0); |
michael@0 | 74 | fprintf (stderr, " sleep 2 begin\n"); |
michael@0 | 75 | (void)GTOD(&timein); |
michael@0 | 76 | sleep (3); |
michael@0 | 77 | (void)GTOD(&timeout); |
michael@0 | 78 | fprintf (stderr, " sleep 2 end\n"); |
michael@0 | 79 | PR_Interrupt(thread); |
michael@0 | 80 | PR_JoinThread(thread); |
michael@0 | 81 | elapsed = 1000000UL * (timeout.tv_sec - timein.tv_sec); |
michael@0 | 82 | elapsed += (timeout.tv_usec - timein.tv_usec); |
michael@0 | 83 | fprintf(stderr, "elapsed %u usecs\n", elapsed); |
michael@0 | 84 | if (labs(elapsed - 3000000UL) > onePercent) rv = 1; |
michael@0 | 85 | fprintf(stderr, "%s\n", (0 == rv) ? "PASSED" : "FAILED"); |
michael@0 | 86 | return rv; |
michael@0 | 87 | } |
michael@0 | 88 | |
michael@0 | 89 | #else /* defined(XP_UNIX) */ |
michael@0 | 90 | |
michael@0 | 91 | PRIntn main() |
michael@0 | 92 | { |
michael@0 | 93 | return 2; |
michael@0 | 94 | } |
michael@0 | 95 | |
michael@0 | 96 | #endif /* defined(XP_UNIX) */ |
michael@0 | 97 |