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8164900: Add support for O_DIRECT

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Add support for Direct I/O in FileChannel

Co-authored-by: Volker Simonis <volker.simonis@gmail.com>
Reviewed-by: alanb, bpb, alanbur, coffeys, aph, clanger, plevart, mli, psandoz, simonis
This commit is contained in:
Lucy Lu 2017-10-17 16:51:11 -07:00 • committed by Brian Burkhalter
parent 97db013bd3
commit ec1c3bce45
30 changed files with 1523 additions and 45 deletions
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2
src/java.base/unix/native/libnio/ch/FileChannelImpl.c
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@ -50,7 +50,7 @@
#define mmap64 mmap
#endif
static jfieldID chan_fd; /* jobject 'fd' in sun.io.FileChannelImpl */
static jfieldID chan_fd; /* jobject 'fd' in sun.nio.ch.FileChannelImpl */
JNIEXPORT jlong JNICALL
Java_sun_nio_ch_FileChannelImpl_initIDs(JNIEnv *env, jclass clazz)