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Date: Mon, 12 Nov 2007 04:44:50 -0800 (PST)
From: "Gregory Shimansky (JIRA)" <jira@apache.org>
To: commits@harmony.apache.org
Subject: [jira] Assigned: (HARMONY-5106) [drlvm][thread]
 os_thread_yield_other() works incorrectly on Linux
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     [ https://issues.apache.org/jira/browse/HARMONY-5106?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gregory Shimansky reassigned HARMONY-5106:
------------------------------------------

    Assignee: Gregory Shimansky

> [drlvm][thread] os_thread_yield_other() works incorrectly on Linux
> ------------------------------------------------------------------
>
>                 Key: HARMONY-5106
>                 URL: https://issues.apache.org/jira/browse/HARMONY-5106
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>         Environment: Linux
>            Reporter: Ilya Berezhniuk
>            Assignee: Gregory Shimansky
>         Attachments: H-5106.patch, H-5106.patch
>
>
> os_thread_yield_other() function on Linux uses sem_timedwait() to wait for response from SIGUSR2 handler.
> It passes time interval =1ms to sem_timedwait(), but by documentation sem_timedwait() receives not time interval, but absolute time since 1970, so now sem_timedwait() always returns ETIMEDOUT immediately.
> It's required to calculate timeout exceed absolute time by adding needed interval to current time returned by gettimeofday() or clock_gettime(CLOCK_REALTIME).
> I've tried clock_gettime(CLOCK_REALTIME), it works fine.
> I'm going to provide a patch soon.

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