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-rw-r--r--tools/test/perform/CMakeLists.txt112
-rw-r--r--tools/test/perform/CMakeTests.cmake4
-rw-r--r--tools/test/perform/chunk_cache.c24
-rw-r--r--tools/test/perform/pio_engine.c6
-rw-r--r--tools/test/perform/pio_standalone.c4
-rw-r--r--tools/test/perform/sio_engine.c6
6 files changed, 112 insertions, 44 deletions
diff --git a/tools/test/perform/CMakeLists.txt b/tools/test/perform/CMakeLists.txt
index 14abdec..5a45d34 100644
--- a/tools/test/perform/CMakeLists.txt
+++ b/tools/test/perform/CMakeLists.txt
@@ -10,9 +10,14 @@ set (h5perf_serial_SOURCES
${HDF5_TOOLS_TEST_PERFORM_SOURCE_DIR}/sio_engine.c
)
add_executable (h5perf_serial ${h5perf_serial_SOURCES})
-target_include_directories(h5perf_serial PRIVATE "${HDF5_TEST_SRC_DIR};${HDF5_SRC_DIR};${HDF5_BINARY_DIR};$<$<BOOL:${HDF5_ENABLE_PARALLEL}>:${MPI_C_INCLUDE_DIRS}>")
-TARGET_C_PROPERTIES (h5perf_serial STATIC)
-target_link_libraries (h5perf_serial PRIVATE ${HDF5_LIB_TARGET} ${HDF5_TOOLS_LIB_TARGET})
+target_include_directories (h5perf_serial PRIVATE "${HDF5_TEST_SRC_DIR};${HDF5_SRC_DIR};${HDF5_BINARY_DIR};$<$<BOOL:${HDF5_ENABLE_PARALLEL}>:${MPI_C_INCLUDE_DIRS}>")
+if (NOT BUILD_SHARED_LIBS)
+ TARGET_C_PROPERTIES (h5perf_serial STATIC)
+ target_link_libraries (h5perf_serial PRIVATE ${HDF5_TOOLS_LIB_TARGET} ${HDF5_LIB_TARGET})
+else ()
+ TARGET_C_PROPERTIES (h5perf_serial SHARED)
+ target_link_libraries (h5perf_serial PRIVATE ${HDF5_TOOLS_LIBSH_TARGET} ${HDF5_LIBSH_TARGET})
+endif ()
set_target_properties (h5perf_serial PROPERTIES FOLDER perform)
if (HDF5_BUILD_PERFORM_STANDALONE)
@@ -20,11 +25,17 @@ if (HDF5_BUILD_PERFORM_STANDALONE)
set (h5perf_serial_alone_SOURCES
${HDF5_TOOLS_TEST_PERFORM_SOURCE_DIR}/sio_perf.c
${HDF5_TOOLS_TEST_PERFORM_SOURCE_DIR}/sio_engine.c
+ ${HDF5_TOOLS_TEST_PERFORM_SOURCE_DIR}/sio_standalone.c
)
add_executable (h5perf_serial_alone ${h5perf_serial_alone_SOURCES})
- target_include_directories(h5perf_serial_alone PRIVATE "${HDF5_SRC_DIR};${HDF5_BINARY_DIR};$<$<BOOL:${HDF5_ENABLE_PARALLEL}>:${MPI_C_INCLUDE_DIRS}>")
- TARGET_C_PROPERTIES (h5perf_serial_alone STATIC)
- target_link_libraries (h5perf_serial_alone PRIVATE ${HDF5_LIB_TARGET} ${HDF5_TOOLS_LIB_TARGET})
+ target_include_directories (h5perf_serial_alone PRIVATE "${HDF5_SRC_DIR};${HDF5_BINARY_DIR};$<$<BOOL:${HDF5_ENABLE_PARALLEL}>:${MPI_C_INCLUDE_DIRS}>")
+ if (NOT BUILD_SHARED_LIBS)
+ TARGET_C_PROPERTIES (h5perf_serial_alone STATIC)
+ target_link_libraries (h5perf_serial_alone PRIVATE ${HDF5_TOOLS_LIB_TARGET} ${HDF5_TEST_LIB_TARGET} ${HDF5_LIB_TARGET})
+ else ()
+ TARGET_C_PROPERTIES (h5perf_serial_alone SHARED)
+ target_link_libraries (h5perf_serial_alone PRIVATE ${HDF5_TOOLS_LIBSH_TARGET} ${HDF5_TEST_LIBSH_TARGET} ${HDF5_LIBSH_TARGET})
+ endif ()
set_target_properties (h5perf_serial_alone PROPERTIES FOLDER perform)
set_property (TARGET h5perf_serial_alone
APPEND PROPERTY COMPILE_DEFINITIONS STANDALONE
@@ -36,9 +47,14 @@ set (chunk_SOURCES
${HDF5_TOOLS_TEST_PERFORM_SOURCE_DIR}/chunk.c
)
add_executable(chunk ${chunk_SOURCES})
-target_include_directories(chunk PRIVATE "${HDF5_SRC_DIR};${HDF5_BINARY_DIR};$<$<BOOL:${HDF5_ENABLE_PARALLEL}>:${MPI_C_INCLUDE_DIRS}>")
-TARGET_C_PROPERTIES (chunk STATIC)
-target_link_libraries(chunk PRIVATE ${HDF5_LIB_TARGET} ${HDF5_TOOLS_LIB_TARGET})
+target_include_directories (chunk PRIVATE "${HDF5_SRC_DIR};${HDF5_BINARY_DIR};$<$<BOOL:${HDF5_ENABLE_PARALLEL}>:${MPI_C_INCLUDE_DIRS}>")
+if (NOT BUILD_SHARED_LIBS)
+ TARGET_C_PROPERTIES (chunk STATIC)
+ target_link_libraries (chunk PRIVATE ${HDF5_TOOLS_LIB_TARGET} ${HDF5_LIB_TARGET})
+else ()
+ TARGET_C_PROPERTIES (chunk SHARED)
+ target_link_libraries (chunk PRIVATE ${HDF5_TOOLS_LIBSH_TARGET} ${HDF5_LIBSH_TARGET})
+endif ()
set_target_properties (chunk PROPERTIES FOLDER perform)
#-- Adding test for iopipe
@@ -46,9 +62,14 @@ set (iopipe_SOURCES
${HDF5_TOOLS_TEST_PERFORM_SOURCE_DIR}/iopipe.c
)
add_executable (iopipe ${iopipe_SOURCES})
-target_include_directories(iopipe PRIVATE "${HDF5_SRC_DIR};${HDF5_BINARY_DIR};$<$<BOOL:${HDF5_ENABLE_PARALLEL}>:${MPI_C_INCLUDE_DIRS}>")
-TARGET_C_PROPERTIES (iopipe STATIC)
-target_link_libraries (iopipe PRIVATE ${HDF5_LIB_TARGET} ${HDF5_TOOLS_LIB_TARGET})
+target_include_directories (iopipe PRIVATE "${HDF5_SRC_DIR};${HDF5_BINARY_DIR};$<$<BOOL:${HDF5_ENABLE_PARALLEL}>:${MPI_C_INCLUDE_DIRS}>")
+if (NOT BUILD_SHARED_LIBS)
+ TARGET_C_PROPERTIES (iopipe STATIC)
+ target_link_libraries (iopipe PRIVATE ${HDF5_TOOLS_LIB_TARGET} ${HDF5_LIB_TARGET})
+else ()
+ TARGET_C_PROPERTIES (iopipe SHARED)
+ target_link_libraries (iopipe PRIVATE ${HDF5_TOOLS_LIBSH_TARGET} ${HDF5_LIBSH_TARGET})
+endif ()
set_target_properties (iopipe PROPERTIES FOLDER perform)
#-- Adding test for chunk_cache
@@ -56,9 +77,14 @@ set (chunk_cache_SOURCES
${HDF5_TOOLS_TEST_PERFORM_SOURCE_DIR}/chunk_cache.c
)
add_executable (chunk_cache ${chunk_cache_SOURCES})
-target_include_directories(chunk_cache PRIVATE "${HDF5_SRC_DIR};${HDF5_BINARY_DIR};$<$<BOOL:${HDF5_ENABLE_PARALLEL}>:${MPI_C_INCLUDE_DIRS}>")
-TARGET_C_PROPERTIES (chunk_cache STATIC)
-target_link_libraries (chunk_cache PRIVATE ${HDF5_LIB_TARGET} ${HDF5_TOOLS_LIB_TARGET})
+target_include_directories (chunk_cache PRIVATE "${HDF5_SRC_DIR};${HDF5_BINARY_DIR};$<$<BOOL:${HDF5_ENABLE_PARALLEL}>:${MPI_C_INCLUDE_DIRS}>")
+if (NOT BUILD_SHARED_LIBS)
+ TARGET_C_PROPERTIES (chunk_cache STATIC)
+ target_link_libraries (chunk_cache PRIVATE ${HDF5_TOOLS_LIB_TARGET} ${HDF5_LIB_TARGET})
+else ()
+ TARGET_C_PROPERTIES (chunk_cache SHARED)
+ target_link_libraries (chunk_cache PRIVATE ${HDF5_TOOLS_LIBSH_TARGET} ${HDF5_LIBSH_TARGET})
+endif ()
set_target_properties (chunk_cache PROPERTIES FOLDER perform)
#-- Adding test for overhead
@@ -66,9 +92,14 @@ set (overhead_SOURCES
${HDF5_TOOLS_TEST_PERFORM_SOURCE_DIR}/overhead.c
)
add_executable (overhead ${overhead_SOURCES})
-target_include_directories(overhead PRIVATE "${HDF5_SRC_DIR};${HDF5_BINARY_DIR};$<$<BOOL:${HDF5_ENABLE_PARALLEL}>:${MPI_C_INCLUDE_DIRS}>")
-TARGET_C_PROPERTIES (overhead STATIC)
-target_link_libraries (overhead PRIVATE ${HDF5_LIB_TARGET} ${HDF5_TOOLS_LIB_TARGET})
+target_include_directories (overhead PRIVATE "${HDF5_SRC_DIR};${HDF5_BINARY_DIR};$<$<BOOL:${HDF5_ENABLE_PARALLEL}>:${MPI_C_INCLUDE_DIRS}>")
+if (NOT BUILD_SHARED_LIBS)
+ TARGET_C_PROPERTIES (overhead STATIC)
+ target_link_libraries (overhead PRIVATE ${HDF5_TOOLS_LIB_TARGET} ${HDF5_LIB_TARGET})
+else ()
+ TARGET_C_PROPERTIES (overhead SHARED)
+ target_link_libraries (overhead PRIVATE ${HDF5_TOOLS_LIBSH_TARGET} ${HDF5_LIBSH_TARGET})
+endif ()
set_target_properties (overhead PROPERTIES FOLDER perform)
#-- Adding test for perf_meta
@@ -76,9 +107,14 @@ set (perf_meta_SOURCES
${HDF5_TOOLS_TEST_PERFORM_SOURCE_DIR}/perf_meta.c
)
add_executable (perf_meta ${perf_meta_SOURCES})
-target_include_directories(perf_meta PRIVATE "${HDF5_TEST_SRC_DIR};${HDF5_SRC_DIR};${HDF5_BINARY_DIR};$<$<BOOL:${HDF5_ENABLE_PARALLEL}>:${MPI_C_INCLUDE_DIRS}>")
-TARGET_C_PROPERTIES (perf_meta STATIC)
-target_link_libraries (perf_meta PRIVATE ${HDF5_LIB_TARGET} ${HDF5_TOOLS_LIB_TARGET} ${HDF5_TEST_LIB_TARGET})
+target_include_directories (perf_meta PRIVATE "${HDF5_TEST_SRC_DIR};${HDF5_SRC_DIR};${HDF5_BINARY_DIR};$<$<BOOL:${HDF5_ENABLE_PARALLEL}>:${MPI_C_INCLUDE_DIRS}>")
+if (NOT BUILD_SHARED_LIBS)
+ TARGET_C_PROPERTIES (perf_meta STATIC)
+ target_link_libraries (perf_meta PRIVATE ${HDF5_TOOLS_LIB_TARGET} ${HDF5_TEST_LIB_TARGET} ${HDF5_LIB_TARGET})
+else ()
+ TARGET_C_PROPERTIES (perf_meta SHARED)
+ target_link_libraries (perf_meta PRIVATE ${HDF5_TOOLS_LIBSH_TARGET} ${HDF5_TEST_LIBSH_TARGET} ${HDF5_LIBSH_TARGET})
+endif ()
set_target_properties (perf_meta PROPERTIES FOLDER perform)
#-- Adding test for zip_perf
@@ -86,9 +122,14 @@ set (zip_perf_SOURCES
${HDF5_TOOLS_TEST_PERFORM_SOURCE_DIR}/zip_perf.c
)
add_executable (zip_perf ${zip_perf_SOURCES})
-target_include_directories(zip_perf PRIVATE "${HDF5_TEST_SRC_DIR};${HDF5_SRC_DIR};${HDF5_BINARY_DIR};$<$<BOOL:${HDF5_ENABLE_PARALLEL}>:${MPI_C_INCLUDE_DIRS}>")
-TARGET_C_PROPERTIES (zip_perf STATIC)
-target_link_libraries (zip_perf PRIVATE ${HDF5_TOOLS_LIB_TARGET} ${HDF5_LIB_TARGET})
+target_include_directories (zip_perf PRIVATE "${HDF5_TEST_SRC_DIR};${HDF5_SRC_DIR};${HDF5_BINARY_DIR};$<$<BOOL:${HDF5_ENABLE_PARALLEL}>:${MPI_C_INCLUDE_DIRS}>")
+if (NOT BUILD_SHARED_LIBS)
+ TARGET_C_PROPERTIES (zip_perf STATIC)
+ target_link_libraries (zip_perf PRIVATE ${HDF5_TOOLS_LIB_TARGET} ${HDF5_LIB_TARGET} ${LINK_COMP_LIBS})
+else ()
+ TARGET_C_PROPERTIES (zip_perf SHARED)
+ target_link_libraries (zip_perf PRIVATE ${HDF5_TOOLS_LIBSH_TARGET} ${HDF5_LIBSH_TARGET} ${LINK_COMP_LIBS})
+endif ()
set_target_properties (zip_perf PROPERTIES FOLDER perform)
if (H5_HAVE_PARALLEL AND BUILD_TESTING)
@@ -98,9 +139,14 @@ if (H5_HAVE_PARALLEL AND BUILD_TESTING)
${HDF5_TOOLS_TEST_PERFORM_SOURCE_DIR}/pio_engine.c
)
add_executable (h5perf ${h5perf_SOURCES})
- target_include_directories(h5perf PRIVATE "${HDF5_SRC_DIR};${HDF5_BINARY_DIR};$<$<BOOL:${HDF5_ENABLE_PARALLEL}>:${MPI_C_INCLUDE_DIRS}>")
- TARGET_C_PROPERTIES (h5perf STATIC)
- target_link_libraries (h5perf PRIVATE ${HDF5_LIB_TARGET} ${HDF5_TOOLS_LIB_TARGET} ${HDF5_TEST_LIB_TARGET})
+ target_include_directories (h5perf PRIVATE "${HDF5_SRC_DIR};${HDF5_BINARY_DIR};$<$<BOOL:${HDF5_ENABLE_PARALLEL}>:${MPI_C_INCLUDE_DIRS}>")
+ if (NOT BUILD_SHARED_LIBS)
+ TARGET_C_PROPERTIES (h5perf STATIC)
+ target_link_libraries (h5perf PRIVATE ${HDF5_TOOLS_LIB_TARGET} ${HDF5_TEST_LIB_TARGET} ${HDF5_LIB_TARGET})
+ else ()
+ TARGET_C_PROPERTIES (h5perf SHARED)
+ target_link_libraries (h5perf PRIVATE ${HDF5_TOOLS_LIBSH_TARGET} ${HDF5_TEST_LIBSH_TARGET} ${HDF5_LIBSH_TARGET})
+ endif ()
set_target_properties (h5perf PROPERTIES FOLDER perform)
if (HDF5_BUILD_PERFORM_STANDALONE)
@@ -108,11 +154,17 @@ if (H5_HAVE_PARALLEL AND BUILD_TESTING)
set (h5perf_alone_SOURCES
${HDF5_TOOLS_TEST_PERFORM_SOURCE_DIR}/pio_perf.c
${HDF5_TOOLS_TEST_PERFORM_SOURCE_DIR}/pio_engine.c
+ ${HDF5_TOOLS_TEST_PERFORM_SOURCE_DIR}/pio_standalone.c
)
add_executable (h5perf_alone ${h5perf_alone_SOURCES})
- target_include_directories(h5perf_alone PRIVATE "${HDF5_SRC_DIR};${HDF5_BINARY_DIR};$<$<BOOL:${HDF5_ENABLE_PARALLEL}>:${MPI_C_INCLUDE_DIRS}>")
- TARGET_C_PROPERTIES (h5perf_alone STATIC)
- target_link_libraries (h5perf_alone PRIVATE ${HDF5_LIB_TARGET} ${HDF5_TOOLS_LIB_TARGET} ${HDF5_TEST_LIB_TARGET})
+ target_include_directories (h5perf_alone PRIVATE "${HDF5_SRC_DIR};${HDF5_BINARY_DIR};$<$<BOOL:${HDF5_ENABLE_PARALLEL}>:${MPI_C_INCLUDE_DIRS}>")
+ if (NOT BUILD_SHARED_LIBS)
+ TARGET_C_PROPERTIES (h5perf_alone STATIC)
+ target_link_libraries (h5perf_alone PRIVATE ${HDF5_TOOLS_LIB_TARGET} ${HDF5_TEST_LIB_TARGET} ${HDF5_LIB_TARGET})
+ else ()
+ TARGET_C_PROPERTIES (h5perf_alone SHARED)
+ target_link_libraries (h5perf_alone PRIVATE ${HDF5_TOOLS_LIBSH_TARGET} ${HDF5_TEST_LIBSH_TARGET} ${HDF5_LIBSH_TARGET})
+ endif ()
set_target_properties (h5perf_alone PROPERTIES FOLDER perform)
set_property (TARGET h5perf_alone
APPEND PROPERTY COMPILE_DEFINITIONS STANDALONE
diff --git a/tools/test/perform/CMakeTests.cmake b/tools/test/perform/CMakeTests.cmake
index 5abd038..36172d1 100644
--- a/tools/test/perform/CMakeTests.cmake
+++ b/tools/test/perform/CMakeTests.cmake
@@ -170,9 +170,9 @@ endif ()
set_tests_properties (PERFORM_zip_perf PROPERTIES DEPENDS "PERFORM_zip_perf_help;PERFORM_h5perform-clearall-objects")
if (H5_HAVE_PARALLEL)
- add_test (NAME PERFORM_h5perf COMMAND ${MPIEXEC_EXECUTABLE} ${MPIEXEC_NUMPROC_FLAG} ${MPIEXEC_MAX_NUMPROCS} ${MPIEXEC_PREFLAGS} $<TARGET_FILE:h5perf> ${MPIEXEC_POSTFLAGS})
+ add_test (NAME MPI_TEST_PERFORM_h5perf COMMAND ${MPIEXEC_EXECUTABLE} ${MPIEXEC_NUMPROC_FLAG} ${MPIEXEC_MAX_NUMPROCS} ${MPIEXEC_PREFLAGS} $<TARGET_FILE:h5perf> ${MPIEXEC_POSTFLAGS})
if (HDF5_BUILD_PERFORM_STANDALONE)
- add_test (NAME PERFORM_h5perf_alone COMMAND ${MPIEXEC_EXECUTABLE} ${MPIEXEC_NUMPROC_FLAG} ${MPIEXEC_MAX_NUMPROCS} ${MPIEXEC_PREFLAGS} $<TARGET_FILE:h5perf_alone> ${MPIEXEC_POSTFLAGS})
+ add_test (NAME MPI_TEST_PERFORM_h5perf_alone COMMAND ${MPIEXEC_EXECUTABLE} ${MPIEXEC_NUMPROC_FLAG} ${MPIEXEC_MAX_NUMPROCS} ${MPIEXEC_PREFLAGS} $<TARGET_FILE:h5perf_alone> ${MPIEXEC_POSTFLAGS})
endif ()
endif ()
diff --git a/tools/test/perform/chunk_cache.c b/tools/test/perform/chunk_cache.c
index 429f70a..47734b6 100644
--- a/tools/test/perform/chunk_cache.c
+++ b/tools/test/perform/chunk_cache.c
@@ -106,8 +106,8 @@ cleanup (void)
*/
static int create_dset1(hid_t file)
{
- hid_t dataspace, dataset;
- hid_t dcpl;
+ hid_t dataspace = H5I_INVALID_HID, dataset = H5I_INVALID_HID;
+ hid_t dcpl = H5I_INVALID_HID;
hsize_t dims[RANK] = {DSET1_DIM1, DSET1_DIM2};
hsize_t chunk_dims[RANK] = {CHUNK1_DIM1, CHUNK1_DIM2};
int data[DSET1_DIM1][DSET1_DIM2]; /* data for writing */
@@ -167,8 +167,8 @@ error:
*/
static int create_dset2(hid_t file)
{
- hid_t dataspace, dataset;
- hid_t dcpl;
+ hid_t dataspace = H5I_INVALID_HID, dataset = H5I_INVALID_HID;
+ hid_t dcpl = H5I_INVALID_HID;
hsize_t dims[RANK] = {DSET2_DIM1, DSET2_DIM2};
hsize_t chunk_dims[RANK] = {CHUNK2_DIM1, CHUNK2_DIM2};
int data[DSET2_DIM1][DSET2_DIM2]; /* data for writing */
@@ -226,10 +226,10 @@ error:
*/
static int check_partial_chunks_perf(hid_t file)
{
- hid_t dataset;
- hid_t filespace;
- hid_t memspace;
- hid_t dapl;
+ hid_t dataset = H5I_INVALID_HID;
+ hid_t filespace = H5I_INVALID_HID;
+ hid_t memspace = H5I_INVALID_HID;
+ hid_t dapl = H5I_INVALID_HID;
int rdata[DSET1_DIM2]; /* data for reading */
int i;
@@ -297,10 +297,10 @@ error:
*/
static int check_hash_value_perf(hid_t file)
{
- hid_t dataset;
- hid_t filespace;
- hid_t memspace;
- hid_t dapl;
+ hid_t dataset = H5I_INVALID_HID;
+ hid_t filespace = H5I_INVALID_HID;
+ hid_t memspace = H5I_INVALID_HID;
+ hid_t dapl = H5I_INVALID_HID;
int rdata[DSET2_DIM1]; /* data for reading */
int i;
diff --git a/tools/test/perform/pio_engine.c b/tools/test/perform/pio_engine.c
index 1c0d621..43a0f64 100644
--- a/tools/test/perform/pio_engine.c
+++ b/tools/test/perform/pio_engine.c
@@ -82,6 +82,12 @@
/* POSIX I/O macros */
+#ifdef H5_HAVE_WIN32_API
+/* Can't link against the library, so this test will use the older, non-Unicode
+ * _open() call on Windows.
+ */
+#define HDopen(S,F,...) _open(S, F | _O_BINARY, __VA_ARGS__)
+#endif /* H5_HAVE_WIN32_API */
#define POSIXCREATE(fn) HDopen(fn, O_CREAT|O_TRUNC|O_RDWR, 0600)
#define POSIXOPEN(fn, F) HDopen(fn, F, 0600)
#define POSIXCLOSE(F) HDclose(F)
diff --git a/tools/test/perform/pio_standalone.c b/tools/test/perform/pio_standalone.c
index bd5fb6f..d5f681e 100644
--- a/tools/test/perform/pio_standalone.c
+++ b/tools/test/perform/pio_standalone.c
@@ -170,6 +170,7 @@ print_version(const char *progname)
MPI_Info h5_io_info_g=MPI_INFO_NULL;/* MPI INFO object for IO */
#endif
+#if 0
int
h5_set_info_object(void)
{
@@ -277,3 +278,6 @@ h5_dump_info_object(MPI_Info info)
}
}
+
+#endif
+
diff --git a/tools/test/perform/sio_engine.c b/tools/test/perform/sio_engine.c
index 4fead3f..11de229 100644
--- a/tools/test/perform/sio_engine.c
+++ b/tools/test/perform/sio_engine.c
@@ -54,6 +54,12 @@
} while(0)
/* POSIX I/O macros */
+#ifdef H5_HAVE_WIN32_API
+/* Can't link against the library, so this test will use the older, non-Unicode
+ * _open() call on Windows.
+ */
+#define HDopen(S,F,...) _open(S, F | _O_BINARY, __VA_ARGS__)
+#endif /* H5_HAVE_WIN32_API */
#define POSIXCREATE(fn) HDopen(fn, O_CREAT|O_TRUNC|O_RDWR, 0600)
#define POSIXOPEN(fn, F) HDopen(fn, F, 0600)
#define POSIXCLOSE(F) HDclose(F)