Bring Java SWMR changes from revise_chunks to develop branch

5 files changed, 43 insertions, 0 deletions

diff --git a/java/src/hdf/hdf5lib/H5.java b/java/src/hdf/hdf5lib/H5.java
index cd5793d..6b2af4b 100644
--- a/java/src/hdf/hdf5lib/H5.java
+++ b/java/src/hdf/hdf5lib/H5.java
@@ -2853,6 +2853,17 @@ public class H5 implements java.io.Serializable {
     public synchronized static native void H5Fclear_elink_file_cache(long file_id) throws HDF5LibraryException;
 
     /**
+     * H5Fstart_swmr_write will activate SWMR writing mode for a file associated with file_id. This routine will
+     * prepare and ensure the file is safe for SWMR writing.
+     *
+     * @param file_id
+     *            IN: Identifier of the target file.
+     *
+     * @exception HDF5LibraryException
+     *                - Error from the HDF-5 Library.
+     **/
+    public synchronized static native void H5Fstart_swmr_write(long file_id) throws HDF5LibraryException;
+
     /**
      * H5Fstart_mdc_logging starts logging metadata cache events if logging was previously enabled.
      *
diff --git a/java/src/hdf/hdf5lib/HDF5Constants.java b/java/src/hdf/hdf5lib/HDF5Constants.java
index 8089544..acd3eb5 100644
--- a/java/src/hdf/hdf5lib/HDF5Constants.java
+++ b/java/src/hdf/hdf5lib/HDF5Constants.java
@@ -201,6 +201,8 @@ public class HDF5Constants {
     public static final int H5F_ACC_RDWR = H5F_ACC_RDWR();
     public static final int H5F_ACC_TRUNC = H5F_ACC_TRUNC();
     public static final int H5F_ACC_DEFAULT = H5F_ACC_DEFAULT();
+    public static final int H5F_ACC_SWMR_READ = H5F_ACC_SWMR_READ();
+    public static final int H5F_ACC_SWMR_WRITE = H5F_ACC_SWMR_WRITE();
     public static final int H5F_CLOSE_DEFAULT = H5F_CLOSE_DEFAULT();
     public static final int H5F_CLOSE_SEMI = H5F_CLOSE_SEMI();
     public static final int H5F_CLOSE_STRONG = H5F_CLOSE_STRONG();
@@ -984,6 +986,10 @@ public class HDF5Constants {
 
     private static native final int H5F_ACC_DEFAULT();
 
+    private static native final int H5F_ACC_SWMR_READ();
+
+    private static native final int H5F_ACC_SWMR_WRITE();
+
     private static native final int H5F_CLOSE_DEFAULT();
 
     private static native final int H5F_CLOSE_SEMI();
diff --git a/java/src/jni/h5Constants.c b/java/src/jni/h5Constants.c
index ffde130..976a224 100644
--- a/java/src/jni/h5Constants.c
+++ b/java/src/jni/h5Constants.c
@@ -363,6 +363,10 @@ JNIEXPORT jint JNICALL
 Java_hdf_hdf5lib_HDF5Constants_H5F_1ACC_1TRUNC(JNIEnv *env, jclass cls) { return H5F_ACC_TRUNC; }
 JNIEXPORT jint JNICALL 
 Java_hdf_hdf5lib_HDF5Constants_H5F_1ACC_1DEFAULT(JNIEnv *env, jclass cls) { return H5F_ACC_DEFAULT; }
+JNIEXPORT jint JNICALL 
+Java_hdf_hdf5lib_HDF5Constants_H5F_1ACC_1SWMR_1READ(JNIEnv *env, jclass cls) { return H5F_ACC_SWMR_READ; }
+JNIEXPORT jint JNICALL 
+Java_hdf_hdf5lib_HDF5Constants_H5F_1ACC_1SWMR_1WRITE(JNIEnv *env, jclass cls) { return H5F_ACC_SWMR_WRITE; }
 #pragma GCC diagnostic pop
 
 JNIEXPORT jint JNICALL 
diff --git a/java/src/jni/h5fImp.c b/java/src/jni/h5fImp.c
index d4b3a3c..058ba26 100644
--- a/java/src/jni/h5fImp.c
+++ b/java/src/jni/h5fImp.c
@@ -538,6 +538,19 @@ Java_hdf_hdf5lib_H5_H5Fclear_1elink_1file_1cache
 
 /*
  * Class:     hdf_hdf5lib_H5
+ * Method:    H5Fstart_swmr_write
+ * Signature: (J)V
+ */
+JNIEXPORT void JNICALL
+Java_hdf_hdf5lib_H5_H5Fstart_1swmr_1write
+	(JNIEnv *env, jclass cls, jlong file_id)
+{
+    if (H5Fstart_swmr_write((hid_t)file_id) < 0)
+        h5libraryError(env);
+} /* end Java_hdf_hdf5lib_H5_H5Fstart_1swmr_1write */
+
+/*
+ * Class:     hdf_hdf5lib_H5
  * Method:    H5Fstart_mdc_logging
  * Signature: (J)V
  */
diff --git a/java/src/jni/h5fImp.h b/java/src/jni/h5fImp.h
index b88e491..7aff835 100644
--- a/java/src/jni/h5fImp.h
+++ b/java/src/jni/h5fImp.h
@@ -214,6 +214,15 @@ Java_hdf_hdf5lib_H5_H5Fclear_1elink_1file_1cache
 
 /*
  * Class:     hdf_hdf5lib_H5
+ * Method:    H5Fstart_swmr_write
+ * Signature: (J)V
+ */
+JNIEXPORT void JNICALL 
+Java_hdf_hdf5lib_H5_H5Fstart_1swmr_1write
+  (JNIEnv *, jclass, jlong);
+
+/*
+ * Class:     hdf_hdf5lib_H5
  * Method:    H5Fstart_mdc_logging
  * Signature: (J)V
  */