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author | Dana Robinson <derobins@hdfgroup.org> | 2019-01-31 01:32:40 (GMT) |
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committer | Dana Robinson <derobins@hdfgroup.org> | 2019-01-31 01:32:40 (GMT) |
commit | f833001e3948c1088e09697c1b1820313e0d65e4 (patch) | |
tree | 097b9e60152f2ee2cb8bad1541174995768ba99b /config | |
parent | 9149d5a5352de4e0b9a2e57c91525a6cad767760 (diff) | |
download | hdf5-f833001e3948c1088e09697c1b1820313e0d65e4.zip hdf5-f833001e3948c1088e09697c1b1820313e0d65e4.tar.gz hdf5-f833001e3948c1088e09697c1b1820313e0d65e4.tar.bz2 |
Updated sec2, log, and core VFDs to use pread/pwrite when
available (can be controlled via a configure/CMake option)
Diffstat (limited to 'config')
-rw-r--r-- | config/cmake/H5pubconf.h.in | 3 | ||||
-rw-r--r-- | config/cmake_ext_mod/ConfigureChecks.cmake | 8 |
2 files changed, 9 insertions, 2 deletions
diff --git a/config/cmake/H5pubconf.h.in b/config/cmake/H5pubconf.h.in index a740df2..273adb5 100644 --- a/config/cmake/H5pubconf.h.in +++ b/config/cmake/H5pubconf.h.in @@ -267,6 +267,9 @@ /* Define if we have parallel support */ #cmakedefine H5_HAVE_PARALLEL @H5_HAVE_PARALLEL@ +/* Define if both pread and pwrite exist. */ +#cmakedefine H5_HAVE_PREADWRITE @H5_HAVE_PREADWRITE@ + /* Define to 1 if you have the <pthread.h> header file. */ #cmakedefine H5_HAVE_PTHREAD_H @H5_HAVE_PTHREAD_H@ diff --git a/config/cmake_ext_mod/ConfigureChecks.cmake b/config/cmake_ext_mod/ConfigureChecks.cmake index c24c1f8..986280f 100644 --- a/config/cmake_ext_mod/ConfigureChecks.cmake +++ b/config/cmake_ext_mod/ConfigureChecks.cmake @@ -274,10 +274,12 @@ if (NOT WINDOWS) # functionality so clock_gettime and CLOCK_MONOTONIC are defined # correctly. This was later updated to 200112L so that # posix_memalign() is visible for the direct VFD code on Linux - # systems. + # systems. Even later, this was changed to 200809L to support + # pread/pwrite in VFDs. + # # POSIX feature information can be found in the gcc manual at: # http://www.gnu.org/s/libc/manual/html_node/Feature-Test-Macros.html - set (HDF_EXTRA_C_FLAGS -D_POSIX_C_SOURCE=200112L) + set (HDF_EXTRA_C_FLAGS -D_POSIX_C_SOURCE=200809L) # Need to add this so that O_DIRECT is visible for the direct # VFD on Linux systems. @@ -506,6 +508,8 @@ CHECK_FUNCTION_EXISTS (lround ${HDF_PREFIX}_HAVE_LROUND) CHECK_FUNCTION_EXISTS (lroundf ${HDF_PREFIX}_HAVE_LROUNDF) CHECK_FUNCTION_EXISTS (lstat ${HDF_PREFIX}_HAVE_LSTAT) +CHECK_FUNCTION_EXISTS (pread ${HDF_PREFIX}_HAVE_PREAD) +CHECK_FUNCTION_EXISTS (pwrite ${HDF_PREFIX}_HAVE_PWRITE) CHECK_FUNCTION_EXISTS (rand_r ${HDF_PREFIX}_HAVE_RAND_R) CHECK_FUNCTION_EXISTS (random ${HDF_PREFIX}_HAVE_RANDOM) CHECK_FUNCTION_EXISTS (round ${HDF_PREFIX}_HAVE_ROUND) |