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re PR libgcj/8997 (spin() calls Thread.sleep)

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2002-12-31  Tom Tromey  <tromey@redhat.com>
            Ranjit Mathew  <rmathew@hotmail.com>

	Fix for PR libgcj/8997:
	* java/lang/natObject.cc (spin): Use _Jv_platform_usleep.
	Include platform.h.
	* include/posix.h (_Jv_platform_usleep): New function.
	* include/win32.h (_Jv_platform_usleep): New function.

Co-Authored-By: Ranjit Mathew <rmathew@hotmail.com>

From-SVN: r60700
This commit is contained in:
Tom Tromey 2002-12-31 17:43:47 +00:00 committed by Tom Tromey
parent 731e8b3886
commit 35a94bdca8
4 changed files with 32 additions and 2 deletions
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9
libjava/ChangeLog
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@ -1,3 +1,12 @@
2002-12-31 Tom Tromey <tromey@redhat.com>
Ranjit Mathew <rmathew@hotmail.com>
Fix for PR libgcj/8997:
* java/lang/natObject.cc (spin): Use _Jv_platform_usleep.
Include platform.h.
* include/posix.h (_Jv_platform_usleep): New function.
* include/win32.h (_Jv_platform_usleep): New function.
2002-12-29 Tom Tromey <tromey@redhat.com>
* gcj/javaprims.h: Updated.

6
libjava/include/posix.h
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@ -60,6 +60,12 @@ _Jv_platform_close_on_exec (jint fd)
::fcntl (fd, F_SETFD, FD_CLOEXEC);
}
inline void
_Jv_platform_usleep (unsigned long usecs)
{
usleep (usecs);
}
#ifndef DISABLE_JAVA_NET
#ifndef HAVE_SOCKLEN_T

13
libjava/include/win32.h
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@ -48,6 +48,19 @@ _Jv_platform_close_on_exec (jint)
// Ignore.
}
/* Suspends the execution of the current thread for the specified
number of microseconds. Tries to emulate the behaviour of usleep()
on UNIX and provides a granularity of 1 millisecond. */
inline void
_Jv_platform_usleep (unsigned long usecs)
{
if (usecs > 0UL)
{
unsigned long millis = ((usecs + 999UL) / 1000UL);
Sleep (millis);
}
}
#ifndef DISABLE_JAVA_NET
static inline int

6
libjava/java/lang/natObject.cc
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@ -1,6 +1,6 @@
// natObject.cc - Implementation of the Object class.
/* Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation
/* Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation
This file is part of libgcj.
@ -28,6 +28,8 @@ details. */
#include <java/lang/Cloneable.h>
#include <java/lang/Thread.h>
#include "platform.h"
#ifdef LOCK_DEBUG
# include <stdio.h>
#endif
@ -532,7 +534,7 @@ spin(unsigned n)
unsigned duration = MIN_SLEEP_USECS << (n - yield_limit);
if (n >= 15 + yield_limit || duration > MAX_SLEEP_USECS)
duration = MAX_SLEEP_USECS;
java::lang::Thread::sleep(0, duration);
_Jv_platform_usleep(duration);
}
}