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8293122: (fs) Use file cloning in macOS version of Files::copy method

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Reviewed-by: alanb
This commit is contained in:
Brian Burkhalter 2022-09-14 20:13:19 +00:00
parent 95c7c556a3
commit a75ddb836b
5 changed files with 124 additions and 1 deletions
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9
src/java.base/unix/classes/sun/nio/fs/UnixConstants.java.template
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@ -32,6 +32,7 @@
#include <sys/stat.h>
#ifdef _ALLBSD_SOURCE
#include <sys/attr.h>
#include <sys/clonefile.h>
#endif
/* To be able to name the Java constants the same as the C constants without
@ -133,6 +134,10 @@ class UnixConstants {
static final int PREFIX_ERANGE = ERANGE;
static final int PREFIX_EMFILE = EMFILE;
#ifdef _ALLBSD_SOURCE
static final int PREFIX_ENOTSUP = ENOTSUP;
#endif
// flags used with openat/unlinkat/etc.
#if defined(AT_SYMLINK_NOFOLLOW) && defined(AT_REMOVEDIR)
static final int PREFIX_AT_SYMLINK_NOFOLLOW = AT_SYMLINK_NOFOLLOW;
@ -144,6 +149,10 @@ class UnixConstants {
#endif
#ifdef _ALLBSD_SOURCE
// flags used with clonefile
static final int PREFIX_CLONE_NOFOLLOW = CLONE_NOFOLLOW;
static final int PREFIX_CLONE_NOOWNERCOPY = CLONE_NOOWNERCOPY;
// flags used with setattrlist
static final int PREFIX_ATTR_CMN_CRTIME = ATTR_CMN_CRTIME;
static final int PREFIX_ATTR_CMN_MODTIME = ATTR_CMN_MODTIME;

2
src/java.base/unix/classes/sun/nio/fs/UnixFileSystem.java
View file

@ -428,7 +428,7 @@ abstract class UnixFileSystem
}
// The flags that control how a file is copied or moved
private static class Flags {
protected static class Flags {
boolean replaceExisting;
boolean atomicMove;
boolean followLinks;