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8308300: enhance exceptions in MappedMemoryUtils.c

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Reviewed-by: alanb, clanger, bpb
This commit is contained in:
Matthias Baesken 2023-05-23 07:43:14 +00:00
parent c4408278d1
commit 69f508a2ac
3 changed files with 18 additions and 5 deletions
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8
src/java.base/unix/native/libnio/MappedMemoryUtils.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2001, 2021, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2001, 2023, 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
@ -110,7 +110,7 @@ Java_java_nio_MappedMemoryUtils_load0(JNIEnv *env, jobject obj, jlong address,
char *a = (char *)jlong_to_ptr(address);
int result = madvise((caddr_t)a, (size_t)len, MADV_WILLNEED);
if (result == -1) {
JNU_ThrowIOExceptionWithLastError(env, "madvise failed");
JNU_ThrowIOExceptionWithMessageAndLastError(env, "madvise with advise MADV_WILLNEED failed");
}
}
@ -121,7 +121,7 @@ Java_java_nio_MappedMemoryUtils_unload0(JNIEnv *env, jobject obj, jlong address,
char *a = (char *)jlong_to_ptr(address);
int result = madvise((caddr_t)a, (size_t)len, MADV_DONTNEED);
if (result == -1) {
JNU_ThrowIOExceptionWithLastError(env, "madvise failed");
JNU_ThrowIOExceptionWithMessageAndLastError(env, "madvise with advise MADV_DONTNEED failed");
}
}
@ -132,6 +132,6 @@ Java_java_nio_MappedMemoryUtils_force0(JNIEnv *env, jobject obj, jobject fdo,
void* a = (void *)jlong_to_ptr(address);
int result = msync(a, (size_t)len, MS_SYNC);
if (result == -1) {
JNU_ThrowIOExceptionWithLastError(env, "msync failed");
JNU_ThrowIOExceptionWithMessageAndLastError(env, "msync with parameter MS_SYNC failed");
}
}