The Tor Browser: nsprpub/pr/tests/sleep.c@7e26c7da4463

     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/. */

     6 #include "nspr.h"

     8 #if defined(XP_UNIX) || defined(XP_OS2)

    10 #include <stdio.h>

    12 #ifndef XP_OS2

    13 #include <unistd.h>

    14 #endif

    15 #include <sys/time.h>

    17 #if defined(HAVE_SVID_GETTOD)

    18 #define GTOD(_a) gettimeofday(_a)

    19 #else

    20 #define GTOD(_a) gettimeofday((_a), NULL)

    21 #endif

    23 static PRIntn rv = 0;

    25 static void Other(void *unused)

    26 {

    27     PRIntn didit = 0;

    28     while (PR_SUCCESS == PR_Sleep(PR_MillisecondsToInterval(250)))

    29     {

    30         fprintf(stderr, ".");

    31         didit += 1;

    32     }

    33     if (didit < 5) rv = 1;

    34 }

    36 int main(int argc, char **argv)

    37 {

    38     PRUint32 elapsed;

    39     PRThread *thread;

    40 	struct timeval timein, timeout;

    41     PRInt32 onePercent = 3000000UL / 100UL;

    43 	fprintf (stderr, "First sleep will sleep 3 seconds.\n");

    44 	fprintf (stderr, "   sleep 1 begin\n");

    45     (void)GTOD(&timein);

    46 	sleep (3);

    47     (void)GTOD(&timeout);

    48 	fprintf (stderr, "   sleep 1 end\n");

    49     elapsed = 1000000UL * (timeout.tv_sec - timein.tv_sec);

    50     elapsed += (timeout.tv_usec - timein.tv_usec);

    51     fprintf(stderr, "elapsed %u usecs\n", elapsed);

    52     if (labs(elapsed - 3000000UL) > onePercent) rv = 1;

    54 	PR_Init (PR_USER_THREAD, PR_PRIORITY_NORMAL, 100);

    55     PR_STDIO_INIT();

    57 	fprintf (stderr, "Second sleep should do the same (does it?).\n");

    58 	fprintf (stderr, "   sleep 2 begin\n");

    59     (void)GTOD(&timein);

    60 	sleep (3);

    61     (void)GTOD(&timeout);

    62 	fprintf (stderr, "   sleep 2 end\n");

    63     elapsed = 1000000UL * (timeout.tv_sec - timein.tv_sec);

    64     elapsed += (timeout.tv_usec - timein.tv_usec);

    65     fprintf(stderr, "elapsed %u usecs\n", elapsed);

    66     if (labs(elapsed - 3000000UL) > onePercent) rv = 1;

    68 	fprintf (stderr, "What happens to other threads?\n");

    69 	fprintf (stderr, "You should see dots every quarter second.\n");

    70 	fprintf (stderr, "If you don't, you're probably running on classic NSPR.\n");

    71     thread = PR_CreateThread(

    72         PR_USER_THREAD, Other, NULL, PR_PRIORITY_NORMAL,

    73         PR_LOCAL_THREAD, PR_JOINABLE_THREAD, 0);

    74 	fprintf (stderr, "   sleep 2 begin\n");

    75     (void)GTOD(&timein);

    76 	sleep (3);

    77     (void)GTOD(&timeout);

    78 	fprintf (stderr, "   sleep 2 end\n");

    79     PR_Interrupt(thread);

    80     PR_JoinThread(thread);

    81     elapsed = 1000000UL * (timeout.tv_sec - timein.tv_sec);

    82     elapsed += (timeout.tv_usec - timein.tv_usec);

    83     fprintf(stderr, "elapsed %u usecs\n", elapsed);

    84     if (labs(elapsed - 3000000UL) > onePercent) rv = 1;

    85     fprintf(stderr, "%s\n", (0 == rv) ? "PASSED" : "FAILED");

    86     return rv;

    87 }

    89 #else /* defined(XP_UNIX) */

    91 PRIntn main()

    92 {

    93 	return 2;

    94 }

    96 #endif /*  defined(XP_UNIX) */

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