Mercurial > hg > graal-compiler
diff src/os/linux/vm/os_linux.cpp @ 4970:33df1aeaebbf
Merge with http://hg.openjdk.java.net/hsx/hsx24/hotspot/
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
---|---|
date | Mon, 27 Feb 2012 13:10:13 +0100 |
parents | 04b9a2566eec de268c8a8075 |
children | 897b7d18bebc |
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--- a/src/os/linux/vm/os_linux.cpp Fri Feb 24 18:30:42 2012 -0800 +++ b/src/os/linux/vm/os_linux.cpp Mon Feb 27 13:10:13 2012 +0100 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -127,7 +127,6 @@ // for timer info max values which include all bits #define ALL_64_BITS CONST64(0xFFFFFFFFFFFFFFFF) -#define SEC_IN_NANOSECS 1000000000LL #define LARGEPAGES_BIT (1 << 6) //////////////////////////////////////////////////////////////////////////////// @@ -1733,7 +1732,7 @@ return true; } else if (dlinfo.dli_fname != NULL && dlinfo.dli_fbase != 0) { if (Decoder::decode((address)(addr - (address)dlinfo.dli_fbase), - dlinfo.dli_fname, buf, buflen, offset) == Decoder::no_error) { + buf, buflen, offset, dlinfo.dli_fname)) { return true; } } @@ -2547,8 +2546,8 @@ } } -void os::free_memory(char *addr, size_t bytes) { - commit_memory(addr, bytes, false); +void os::free_memory(char *addr, size_t bytes, size_t alignment_hint) { + commit_memory(addr, bytes, alignment_hint, false); } void os::numa_make_global(char *addr, size_t bytes) { @@ -3259,8 +3258,6 @@ // generates a SIGUSRx signal. Note that SIGUSR1 can interfere with // SIGSEGV, see 4355769. -const int NANOSECS_PER_MILLISECS = 1000000; - int os::sleep(Thread* thread, jlong millis, bool interruptible) { assert(thread == Thread::current(), "thread consistency check"); @@ -3283,7 +3280,7 @@ // not a guarantee() because JVM should not abort on kernel/glibc bugs assert(!Linux::supports_monotonic_clock(), "time moving backwards"); } else { - millis -= (newtime - prevtime) / NANOSECS_PER_MILLISECS; + millis -= (newtime - prevtime) / NANOSECS_PER_MILLISEC; } if(millis <= 0) { @@ -3322,7 +3319,7 @@ // not a guarantee() because JVM should not abort on kernel/glibc bugs assert(!Linux::supports_monotonic_clock(), "time moving backwards"); } else { - millis -= (newtime - prevtime) / NANOSECS_PER_MILLISECS; + millis -= (newtime - prevtime) / NANOSECS_PER_MILLISEC; } if(millis <= 0) break ; @@ -3386,7 +3383,7 @@ // this reason, the code should not be used as default (ThreadPriorityPolicy=0). // It is only used when ThreadPriorityPolicy=1 and requires root privilege. -int os::java_to_os_priority[MaxPriority + 1] = { +int os::java_to_os_priority[CriticalPriority + 1] = { 19, // 0 Entry should never be used 4, // 1 MinPriority @@ -3401,7 +3398,9 @@ -3, // 8 -4, // 9 NearMaxPriority - -5 // 10 MaxPriority + -5, // 10 MaxPriority + + -5 // 11 CriticalPriority }; static int prio_init() { @@ -3416,6 +3415,9 @@ ThreadPriorityPolicy = 0; } } + if (UseCriticalJavaThreadPriority) { + os::java_to_os_priority[MaxPriority] = os::java_to_os_priority[CriticalPriority]; + } return 0; } @@ -3931,7 +3933,7 @@ int rc = os::Linux::clock_gettime(clockid, &tp); assert(rc == 0, "clock_gettime is expected to return 0 code"); - return (tp.tv_sec * SEC_IN_NANOSECS) + tp.tv_nsec; + return (tp.tv_sec * NANOSECS_PER_SEC) + tp.tv_nsec; } ///// @@ -5172,9 +5174,6 @@ * is no need to track notifications. */ - -#define NANOSECS_PER_SEC 1000000000 -#define NANOSECS_PER_MILLISEC 1000000 #define MAX_SECS 100000000 /* * This code is common to linux and solaris and will be moved to a