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8294068: Unconditional and eager load of nio library since JDK-8264744

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Reviewed-by: alanb, redestad
This commit is contained in:
Brian Burkhalter 2022-09-21 14:51:21 +00:00
parent 84d7ff64d8
commit e1958971c9
4 changed files with 102 additions and 161 deletions
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28
src/java.base/linux/classes/sun/nio/fs/LinuxFileSystem.java
View file

@ -158,32 +158,4 @@ class LinuxFileSystem extends UnixFileSystem {
return directCopy0(dst, src, addressToPollForCancel);
}
// -- native methods --
private static native void init();
/**
* Copies data between file descriptors {@code src} and {@code dst} using
* a platform-specific function or system call possibly having kernel
* support.
*
* @param dst destination file descriptor
* @param src source file descriptor
* @param addressToPollForCancel address to check for cancellation
* (a non-zero value written to this address indicates cancel)
*
* @return 0 on success, UNAVAILABLE if the platform function would block,
* UNSUPPORTED_CASE if the call does not work with the given
* parameters, or UNSUPPORTED if direct copying is not supported
* on this platform
*/
private static native int directCopy0(int dst, int src,
long addressToPollForCancel)
throws UnixException;
static {
jdk.internal.loader.BootLoader.loadLibrary("nio");
init();
}
}

18
src/java.base/linux/classes/sun/nio/fs/LinuxNativeDispatcher.java
View file

@ -68,6 +68,24 @@ class LinuxNativeDispatcher extends UnixNativeDispatcher {
static native int posix_fadvise(int fd, long offset, long len, int advice)
throws UnixException;
/**
* Copies data between file descriptors {@code src} and {@code dst} using
* a platform-specific function or system call possibly having kernel
* support.
*
* @param dst destination file descriptor
* @param src source file descriptor
* @param addressToPollForCancel address to check for cancellation
* (a non-zero value written to this address indicates cancel)
*
* @return 0 on success, UNAVAILABLE if the platform function would block,
* UNSUPPORTED_CASE if the call does not work with the given
* parameters, or UNSUPPORTED if direct copying is not supported
* on this platform
*/
static native int directCopy0(int dst, int src, long addressToPollForCancel)
throws UnixException;
// initialize
private static native void init();