From f833001e3948c1088e09697c1b1820313e0d65e4 Mon Sep 17 00:00:00 2001 From: Dana Robinson Date: Wed, 30 Jan 2019 17:32:40 -0800 Subject: Updated sec2, log, and core VFDs to use pread/pwrite when available (can be controlled via a configure/CMake option) --- CMakeLists.txt | 9 ++++++ config/cmake/H5pubconf.h.in | 3 ++ config/cmake_ext_mod/ConfigureChecks.cmake | 8 ++++-- configure.ac | 46 ++++++++++++++++++++++++++++-- src/H5FDcore.c | 28 ++++++++++++++---- src/H5FDlog.c | 30 +++++++++++++++---- src/H5FDsec2.c | 32 ++++++++++++++++----- src/H5private.h | 6 ++++ 8 files changed, 139 insertions(+), 23 deletions(-) diff --git a/CMakeLists.txt b/CMakeLists.txt index a16cb08..cb9839b 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -482,6 +482,15 @@ if (HDF5_MEMORY_ALLOC_SANITY_CHECK) endif () #----------------------------------------------------------------------------- +# Option to enable/disable using pread/pwrite for VFDs +#----------------------------------------------------------------------------- +option (HDF5_ENABLE_PREADWRITE "Use pread/pwrite in sec2/log/core VFDs in place of read/write (when available)" ON) +mark_as_advanced (HDF5_ENABLE_PREADWRITE) +if (HDF5_ENABLE_PREADWRITE AND ${HDF_PREFIX}_HAVE_PREAD AND ${HDF_PREFIX}_HAVE_PWRITE) + set (H5_HAVE_PREADWRITE 1) +endif () + +#----------------------------------------------------------------------------- # Option to use deprecated public API symbols #----------------------------------------------------------------------------- option (HDF5_ENABLE_DEPRECATED_SYMBOLS "Enable deprecated public API symbols" ON) 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 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 ${HDF_PREFIX}_HAVE_ROUND) diff --git a/configure.ac b/configure.ac index 25c4b78..30fe725 100644 --- a/configure.ac +++ b/configure.ac @@ -1130,11 +1130,12 @@ case "$host_cpu-$host_vendor-$host_os" in ## 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 - H5_CPPFLAGS="-D_POSIX_C_SOURCE=200112L $H5_CPPFLAGS" + H5_CPPFLAGS="-D_POSIX_C_SOURCE=200809L $H5_CPPFLAGS" ## Need to add this so that O_DIRECT is visible for the direct ## VFD on Linux systems. @@ -3266,6 +3267,47 @@ esac ## ---------------------------------------------------------------------- +## Enable use of pread/pwrite instead of read/write in certain VFDs. +## +AC_SUBST([PREADWRITE]) + +## Check these first to avoid interspersed output in the AC_ARG_ENABLE line +## below. (Probably overkill to check for both, but we'll be extra careful) +PREADWRITE_HAVE_BOTH=yes +AC_CHECK_FUNC([pread], [], [PREADWRITE_HAVE_BOTH=no]) +AC_CHECK_FUNC([pwrite], [], [PREADWRITE_HAVE_BOTH=no]) + +AC_MSG_CHECKING([whether to use pread/pwrite instead of read/write in certain VFDs]) +AC_ARG_ENABLE([preadwrite], + [AS_HELP_STRING([--enable-preadwrite], + [Enable using pread/pwrite instead of read/write in sec2/log/core VFDs. + [default=yes if pread/pwrite are present]])], + [PREADWRITE=$enableval]) + +## Set the default level. +if test "X-$PREADWRITE" = X- ; then + PREADWRITE=yes +fi + +case "X-$PREADWRITE" in + X-yes) + if test "X-$PREADWRITE_HAVE_BOTH" = "X-yes"; then + AC_DEFINE([HAVE_PREADWRITE], [1], [Define if both pread and pwrite exist.]) + AC_MSG_RESULT([yes]) + else + AC_MSG_RESULT([no]) + fi + ;; + X-no) + AC_MSG_RESULT([no]) + ;; + *) + AC_MSG_ERROR([Unrecognized value: $PREADWRITE]) + ;; +esac + + +## ---------------------------------------------------------------------- ## Enable embedded library information ## AC_MSG_CHECKING([whether to have library information embedded in the executables]) diff --git a/src/H5FDcore.c b/src/H5FDcore.c index ed05e95..d1a17cd 100644 --- a/src/H5FDcore.c +++ b/src/H5FDcore.c @@ -348,14 +348,17 @@ H5FD__core_write_to_bstore(H5FD_core_t *file, haddr_t addr, size_t size) HDassert(file); - /* Write to backing store */ - if((off_t)addr != HDlseek(file->fd, (off_t)addr, SEEK_SET)) +#ifndef H5_HAVE_PREADWRITE + /* Seek to the correct location (if we don't have pwrite) */ + if((HDoff_t)addr != HDlseek(file->fd, (off_t)addr, SEEK_SET)) HGOTO_ERROR(H5E_IO, H5E_SEEKERROR, FAIL, "error seeking in backing store") +#endif /* H5_HAVE_PREADWRITE */ while (size > 0) { h5_posix_io_t bytes_in = 0; /* # of bytes to write */ h5_posix_io_ret_t bytes_wrote = -1; /* # of bytes written */ + HDoff_t offset = (HDoff_t)addr; /* Trying to write more bytes than the return type can handle is * undefined behavior in POSIX. @@ -366,15 +369,21 @@ H5FD__core_write_to_bstore(H5FD_core_t *file, haddr_t addr, size_t size) bytes_in = (h5_posix_io_t)size; do { +#ifdef H5_HAVE_PREADWRITE + bytes_wrote = HDpwrite(file->fd, ptr, bytes_in, offset); + offset += bytes_wrote; +#else bytes_wrote = HDwrite(file->fd, ptr, bytes_in); +#endif /* H5_HAVE_PREADWRITE */ } while(-1 == bytes_wrote && EINTR == errno); if(-1 == bytes_wrote) { /* error */ int myerrno = errno; time_t mytime = HDtime(NULL); - HDoff_t myoffset = HDlseek(file->fd, (HDoff_t)0, SEEK_CUR); - HGOTO_ERROR(H5E_IO, H5E_WRITEERROR, FAIL, "write to backing store failed: time = %s, filename = '%s', file descriptor = %d, errno = %d, error message = '%s', ptr = %p, total write size = %llu, bytes this sub-write = %llu, bytes actually written = %llu, offset = %llu", HDctime(&mytime), file->name, file->fd, myerrno, HDstrerror(myerrno), ptr, (unsigned long long)size, (unsigned long long)bytes_in, (unsigned long long)bytes_wrote, (unsigned long long)myoffset); + offset = HDlseek(file->fd, (HDoff_t)0, SEEK_CUR); + + HGOTO_ERROR(H5E_IO, H5E_WRITEERROR, FAIL, "write to backing store failed: time = %s, filename = '%s', file descriptor = %d, errno = %d, error message = '%s', ptr = %p, total write size = %llu, bytes this sub-write = %llu, bytes actually written = %llu, offset = %llu", HDctime(&mytime), file->name, file->fd, myerrno, HDstrerror(myerrno), ptr, (unsigned long long)size, (unsigned long long)bytes_in, (unsigned long long)bytes_wrote, (unsigned long long)offset); } /* end if */ HDassert(bytes_wrote > 0); @@ -852,6 +861,7 @@ H5FD__core_open(const char *name, unsigned flags, hid_t fapl_id, haddr_t maxaddr while(size > 0) { h5_posix_io_t bytes_in = 0; /* # of bytes to read */ h5_posix_io_ret_t bytes_read = -1; /* # of bytes actually read */ + HDoff_t offset = (HDoff_t)0; /* Trying to read more bytes than the return type can handle is * undefined behavior in POSIX. @@ -862,15 +872,21 @@ H5FD__core_open(const char *name, unsigned flags, hid_t fapl_id, haddr_t maxaddr bytes_in = (h5_posix_io_t)size; do { +#ifdef H5_HAVE_PREADWRITE + bytes_read = HDpread(file->fd, mem, bytes_in, offset); + offset += bytes_read; +#else bytes_read = HDread(file->fd, mem, bytes_in); +#endif /* H5_HAVE_PREADWRITE */ } while(-1 == bytes_read && EINTR == errno); if(-1 == bytes_read) { /* error */ int myerrno = errno; time_t mytime = HDtime(NULL); - HDoff_t myoffset = HDlseek(file->fd, (HDoff_t)0, SEEK_CUR); - HGOTO_ERROR(H5E_IO, H5E_READERROR, NULL, "file read failed: time = %s, filename = '%s', file descriptor = %d, errno = %d, error message = '%s', file->mem = %p, total read size = %llu, bytes this sub-read = %llu, bytes actually read = %llu, offset = %llu", HDctime(&mytime), file->name, file->fd, myerrno, HDstrerror(myerrno), file->mem, (unsigned long long)size, (unsigned long long)bytes_in, (unsigned long long)bytes_read, (unsigned long long)myoffset); + offset = HDlseek(file->fd, (HDoff_t)0, SEEK_CUR); + + HGOTO_ERROR(H5E_IO, H5E_READERROR, NULL, "file read failed: time = %s, filename = '%s', file descriptor = %d, errno = %d, error message = '%s', file->mem = %p, total read size = %llu, bytes this sub-read = %llu, bytes actually read = %llu, offset = %llu", HDctime(&mytime), file->name, file->fd, myerrno, HDstrerror(myerrno), file->mem, (unsigned long long)size, (unsigned long long)bytes_in, (unsigned long long)bytes_read, (unsigned long long)offset); } /* end if */ HDassert(bytes_read >= 0); diff --git a/src/H5FDlog.c b/src/H5FDlog.c index 97d1b41..655d7d3 100644 --- a/src/H5FDlog.c +++ b/src/H5FDlog.c @@ -1191,7 +1191,8 @@ H5FD_log_read(H5FD_t *_file, H5FD_mem_t type, hid_t H5_ATTR_UNUSED dxpl_id, hadd } /* end if */ } /* end if */ - /* Seek to the correct location */ +#ifndef H5_HAVE_PREADWRITE + /* Seek to the correct location (if we don't have pread) */ if(addr != file->pos || OP_READ != file->op) { #ifdef H5_HAVE_GETTIMEOFDAY if(file->fa.flags & H5FD_LOG_TIME_SEEK) @@ -1234,6 +1235,7 @@ H5FD_log_read(H5FD_t *_file, H5FD_mem_t type, hid_t H5_ATTR_UNUSED dxpl_id, hadd #endif /* H5_HAVE_GETTIMEOFDAY */ } /* end if */ } /* end if */ +#endif /* H5_HAVE_PREADWRITE */ /* * Read data, being careful of interrupted system calls, partial results, @@ -1247,6 +1249,7 @@ H5FD_log_read(H5FD_t *_file, H5FD_mem_t type, hid_t H5_ATTR_UNUSED dxpl_id, hadd h5_posix_io_t bytes_in = 0; /* # of bytes to read */ h5_posix_io_ret_t bytes_read = -1; /* # of bytes actually read */ + HDoff_t offset = (HDoff_t)addr; /* Trying to read more bytes than the return type can handle is * undefined behavior in POSIX. @@ -1257,18 +1260,24 @@ H5FD_log_read(H5FD_t *_file, H5FD_mem_t type, hid_t H5_ATTR_UNUSED dxpl_id, hadd bytes_in = (h5_posix_io_t)size; do { +#ifdef H5_HAVE_PREADWRITE + bytes_read = HDpread(file->fd, buf, bytes_in, offset); + offset += bytes_read; +#else bytes_read = HDread(file->fd, buf, bytes_in); +#endif /* H5_HAVE_PREADWRITE */ } while(-1 == bytes_read && EINTR == errno); if(-1 == bytes_read) { /* error */ int myerrno = errno; time_t mytime = HDtime(NULL); - HDoff_t myoffset = HDlseek(file->fd, (HDoff_t)0, SEEK_CUR); + + offset = HDlseek(file->fd, (HDoff_t)0, SEEK_CUR); if(file->fa.flags & H5FD_LOG_LOC_READ) HDfprintf(file->logfp, "Error! Reading: %10a-%10a (%10Zu bytes)\n", orig_addr, (orig_addr + orig_size) - 1, orig_size); - HGOTO_ERROR(H5E_IO, H5E_READERROR, FAIL, "file read failed: time = %s, filename = '%s', file descriptor = %d, errno = %d, error message = '%s', buf = %p, total read size = %llu, bytes this sub-read = %llu, bytes actually read = %llu, offset = %llu", HDctime(&mytime), file->filename, file->fd, myerrno, HDstrerror(myerrno), buf, (unsigned long long)size, (unsigned long long)bytes_in, (unsigned long long)bytes_read, (unsigned long long)myoffset); + HGOTO_ERROR(H5E_IO, H5E_READERROR, FAIL, "file read failed: time = %s, filename = '%s', file descriptor = %d, errno = %d, error message = '%s', buf = %p, total read size = %llu, bytes this sub-read = %llu, bytes actually read = %llu, offset = %llu", HDctime(&mytime), file->filename, file->fd, myerrno, HDstrerror(myerrno), buf, (unsigned long long)size, (unsigned long long)bytes_in, (unsigned long long)bytes_read, (unsigned long long)offset); } /* end if */ if(0 == bytes_read) { @@ -1398,7 +1407,8 @@ H5FD_log_write(H5FD_t *_file, H5FD_mem_t type, hid_t H5_ATTR_UNUSED dxpl_id, had file->nwrite[tmp_addr++]++; } /* end if */ - /* Seek to the correct location */ +#ifndef H5_HAVE_PREADWRITE + /* Seek to the correct location (if we don't have pwrite) */ if(addr != file->pos || OP_WRITE != file->op) { #ifdef H5_HAVE_GETTIMEOFDAY if(file->fa.flags & H5FD_LOG_TIME_SEEK) @@ -1441,6 +1451,7 @@ H5FD_log_write(H5FD_t *_file, H5FD_mem_t type, hid_t H5_ATTR_UNUSED dxpl_id, had #endif /* H5_HAVE_GETTIMEOFDAY */ } /* end if */ } /* end if */ +#endif /* H5_HAVE_PREADWRITE */ /* * Write the data, being careful of interrupted system calls and partial @@ -1454,6 +1465,7 @@ H5FD_log_write(H5FD_t *_file, H5FD_mem_t type, hid_t H5_ATTR_UNUSED dxpl_id, had h5_posix_io_t bytes_in = 0; /* # of bytes to write */ h5_posix_io_ret_t bytes_wrote = -1; /* # of bytes written */ + HDoff_t offset = (HDoff_t)addr; /* Trying to write more bytes than the return type can handle is * undefined behavior in POSIX. @@ -1464,18 +1476,24 @@ H5FD_log_write(H5FD_t *_file, H5FD_mem_t type, hid_t H5_ATTR_UNUSED dxpl_id, had bytes_in = (h5_posix_io_t)size; do { +#ifdef H5_HAVE_PREADWRITE + bytes_wrote = HDpwrite(file->fd, buf, bytes_in, offset); + offset += bytes_wrote; +#else bytes_wrote = HDwrite(file->fd, buf, bytes_in); +#endif /* H5_HAVE_PREADWRITE */ } while(-1 == bytes_wrote && EINTR == errno); if(-1 == bytes_wrote) { /* error */ int myerrno = errno; time_t mytime = HDtime(NULL); - HDoff_t myoffset = HDlseek(file->fd, (HDoff_t)0, SEEK_CUR); + + offset = HDlseek(file->fd, (HDoff_t)0, SEEK_CUR); if(file->fa.flags & H5FD_LOG_LOC_WRITE) HDfprintf(file->logfp, "Error! Writing: %10a-%10a (%10Zu bytes)\n", orig_addr, (orig_addr + orig_size) - 1, orig_size); - HGOTO_ERROR(H5E_IO, H5E_WRITEERROR, FAIL, "file write failed: time = %s, filename = '%s', file descriptor = %d, errno = %d, error message = '%s', buf = %p, total write size = %llu, bytes this sub-write = %llu, bytes actually written = %llu, offset = %llu", HDctime(&mytime), file->filename, file->fd, myerrno, HDstrerror(myerrno), buf, (unsigned long long)size, (unsigned long long)bytes_in, (unsigned long long)bytes_wrote, (unsigned long long)myoffset); + HGOTO_ERROR(H5E_IO, H5E_WRITEERROR, FAIL, "file write failed: time = %s, filename = '%s', file descriptor = %d, errno = %d, error message = '%s', buf = %p, total write size = %llu, bytes this sub-write = %llu, bytes actually written = %llu, offset = %llu", HDctime(&mytime), file->filename, file->fd, myerrno, HDstrerror(myerrno), buf, (unsigned long long)size, (unsigned long long)bytes_in, (unsigned long long)bytes_wrote, (unsigned long long)offset); } /* end if */ HDassert(bytes_wrote > 0); diff --git a/src/H5FDsec2.c b/src/H5FDsec2.c index c507387..0054a86 100644 --- a/src/H5FDsec2.c +++ b/src/H5FDsec2.c @@ -682,11 +682,13 @@ H5FD_sec2_read(H5FD_t *_file, H5FD_mem_t H5_ATTR_UNUSED type, hid_t H5_ATTR_UNUS if(REGION_OVERFLOW(addr, size)) HGOTO_ERROR(H5E_ARGS, H5E_OVERFLOW, FAIL, "addr overflow, addr = %llu", (unsigned long long)addr) - /* Seek to the correct location */ +#ifndef H5_HAVE_PREADWRITE + /* Seek to the correct location (if we don't have pread) */ if(addr != file->pos || OP_READ != file->op) { if(HDlseek(file->fd, (HDoff_t)addr, SEEK_SET) < 0) HSYS_GOTO_ERROR(H5E_IO, H5E_SEEKERROR, FAIL, "unable to seek to proper position") } /* end if */ +#endif /* H5_HAVE_PREADWRITE */ /* Read data, being careful of interrupted system calls, partial results, * and the end of the file. @@ -694,7 +696,8 @@ H5FD_sec2_read(H5FD_t *_file, H5FD_mem_t H5_ATTR_UNUSED type, hid_t H5_ATTR_UNUS while(size > 0) { h5_posix_io_t bytes_in = 0; /* # of bytes to read */ - h5_posix_io_ret_t bytes_read = -1; /* # of bytes actually read */ + h5_posix_io_ret_t bytes_read = -1; /* # of bytes actually read */ + HDoff_t offset = (HDoff_t)addr; /* Trying to read more bytes than the return type can handle is * undefined behavior in POSIX. @@ -705,15 +708,21 @@ H5FD_sec2_read(H5FD_t *_file, H5FD_mem_t H5_ATTR_UNUSED type, hid_t H5_ATTR_UNUS bytes_in = (h5_posix_io_t)size; do { +#ifdef H5_HAVE_PREADWRITE + bytes_read = HDpread(file->fd, buf, bytes_in, offset); + offset += bytes_read; +#else bytes_read = HDread(file->fd, buf, bytes_in); +#endif /* H5_HAVE_PREADWRITE */ } while(-1 == bytes_read && EINTR == errno); if(-1 == bytes_read) { /* error */ int myerrno = errno; time_t mytime = HDtime(NULL); - HDoff_t myoffset = HDlseek(file->fd, (HDoff_t)0, SEEK_CUR); - HGOTO_ERROR(H5E_IO, H5E_READERROR, FAIL, "file read failed: time = %s, filename = '%s', file descriptor = %d, errno = %d, error message = '%s', buf = %p, total read size = %llu, bytes this sub-read = %llu, bytes actually read = %llu, offset = %llu", HDctime(&mytime), file->filename, file->fd, myerrno, HDstrerror(myerrno), buf, (unsigned long long)size, (unsigned long long)bytes_in, (unsigned long long)bytes_read, (unsigned long long)myoffset); + offset = HDlseek(file->fd, (HDoff_t)0, SEEK_CUR); + + HGOTO_ERROR(H5E_IO, H5E_READERROR, FAIL, "file read failed: time = %s, filename = '%s', file descriptor = %d, errno = %d, error message = '%s', buf = %p, total read size = %llu, bytes this sub-read = %llu, bytes actually read = %llu, offset = %llu", HDctime(&mytime), file->filename, file->fd, myerrno, HDstrerror(myerrno), buf, (unsigned long long)size, (unsigned long long)bytes_in, (unsigned long long)bytes_read, (unsigned long long)offset); } /* end if */ if(0 == bytes_read) { @@ -777,11 +786,13 @@ H5FD_sec2_write(H5FD_t *_file, H5FD_mem_t H5_ATTR_UNUSED type, hid_t H5_ATTR_UNU if(REGION_OVERFLOW(addr, size)) HGOTO_ERROR(H5E_ARGS, H5E_OVERFLOW, FAIL, "addr overflow, addr = %llu, size = %llu", (unsigned long long)addr, (unsigned long long)size) - /* Seek to the correct location */ +#ifndef H5_HAVE_PREADWRITE + /* Seek to the correct location (if we don't have pwrite) */ if(addr != file->pos || OP_WRITE != file->op) { if(HDlseek(file->fd, (HDoff_t)addr, SEEK_SET) < 0) HSYS_GOTO_ERROR(H5E_IO, H5E_SEEKERROR, FAIL, "unable to seek to proper position") } /* end if */ +#endif /* H5_HAVE_PREADWRITE */ /* Write the data, being careful of interrupted system calls and partial * results @@ -790,6 +801,7 @@ H5FD_sec2_write(H5FD_t *_file, H5FD_mem_t H5_ATTR_UNUSED type, hid_t H5_ATTR_UNU h5_posix_io_t bytes_in = 0; /* # of bytes to write */ h5_posix_io_ret_t bytes_wrote = -1; /* # of bytes written */ + HDoff_t offset = (HDoff_t)addr; /* Trying to write more bytes than the return type can handle is * undefined behavior in POSIX. @@ -800,15 +812,21 @@ H5FD_sec2_write(H5FD_t *_file, H5FD_mem_t H5_ATTR_UNUSED type, hid_t H5_ATTR_UNU bytes_in = (h5_posix_io_t)size; do { +#ifdef H5_HAVE_PREADWRITE + bytes_wrote = HDpwrite(file->fd, buf, bytes_in, offset); + offset += bytes_wrote; +#else bytes_wrote = HDwrite(file->fd, buf, bytes_in); +#endif /* H5_HAVE_PREADWRITE */ } while(-1 == bytes_wrote && EINTR == errno); if(-1 == bytes_wrote) { /* error */ int myerrno = errno; time_t mytime = HDtime(NULL); - HDoff_t myoffset = HDlseek(file->fd, (HDoff_t)0, SEEK_CUR); - HGOTO_ERROR(H5E_IO, H5E_WRITEERROR, FAIL, "file write failed: time = %s, filename = '%s', file descriptor = %d, errno = %d, error message = '%s', buf = %p, total write size = %llu, bytes this sub-write = %llu, bytes actually written = %llu, offset = %llu", HDctime(&mytime), file->filename, file->fd, myerrno, HDstrerror(myerrno), buf, (unsigned long long)size, (unsigned long long)bytes_in, (unsigned long long)bytes_wrote, (unsigned long long)myoffset); + offset = HDlseek(file->fd, (HDoff_t)0, SEEK_CUR); + + HGOTO_ERROR(H5E_IO, H5E_WRITEERROR, FAIL, "file write failed: time = %s, filename = '%s', file descriptor = %d, errno = %d, error message = '%s', buf = %p, total write size = %llu, bytes this sub-write = %llu, bytes actually written = %llu, offset = %llu", HDctime(&mytime), file->filename, file->fd, myerrno, HDstrerror(myerrno), buf, (unsigned long long)size, (unsigned long long)bytes_in, (unsigned long long)bytes_wrote, (unsigned long long)offset); } /* end if */ HDassert(bytes_wrote > 0); diff --git a/src/H5private.h b/src/H5private.h index f58faec..8b6253d 100644 --- a/src/H5private.h +++ b/src/H5private.h @@ -1156,6 +1156,9 @@ typedef off_t h5_stat_size_t; #ifndef HDpowf #define HDpowf(X,Y) powf(X,Y) #endif /* HDpowf */ +#ifndef HDpread + #define HDpread(F,B,C,O) pread(F,B,C,O) +#endif /* HDpread */ #ifndef HDprintf #define HDprintf(...) HDfprintf(stdout, __VA_ARGS__) #endif /* HDprintf */ @@ -1168,6 +1171,9 @@ typedef off_t h5_stat_size_t; #ifndef HDputs #define HDputs(S) puts(S) #endif /* HDputs */ +#ifndef HDpwrite + #define HDpwrite(F,B,C,O) pwrite(F,B,C,O) +#endif /* HDpwrite */ #ifndef HDqsort #define HDqsort(M,N,Z,F) qsort(M,N,Z,F) #endif /* HDqsort*/ -- cgit v0.12 From 90bf59edc59bfabb38d677dc6bddb12eb57e8b11 Mon Sep 17 00:00:00 2001 From: Dana Robinson Date: Wed, 30 Jan 2019 23:45:32 -0800 Subject: Fixed a bug revealed by the dtransform test. A datatype transform buffer needed to be calloc'd. --- src/H5Dio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/H5Dio.c b/src/H5Dio.c index 607bfcf..4fdbebd 100644 --- a/src/H5Dio.c +++ b/src/H5Dio.c @@ -1040,7 +1040,7 @@ H5D__typeinfo_init(const H5D_t *dset, hid_t mem_type_id, hbool_t do_write, */ if(NULL == (type_info->tconv_buf = (uint8_t *)tconv_buf)) { /* Allocate temporary buffer */ - if(NULL == (type_info->tconv_buf = H5FL_BLK_MALLOC(type_conv, target_size))) + if(NULL == (type_info->tconv_buf = H5FL_BLK_CALLOC(type_conv, target_size))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for type conversion") type_info->tconv_buf_allocated = TRUE; } /* end if */ -- cgit v0.12 From 99d70c494d72bed9c2961348a659696090752ac5 Mon Sep 17 00:00:00 2001 From: Dana Robinson Date: Thu, 31 Jan 2019 00:14:11 -0800 Subject: Fixed a valgrind issue with the unprotect log message. The logging call was placed after the point where the cache entry was freed. The fix was to just use the entry's address directly in the log call instead of the entry itself. --- src/H5AC.c | 2 +- src/H5Clog.c | 5 ++--- src/H5Clog.h | 4 ++-- src/H5Clog_json.c | 9 ++++----- src/H5Clog_trace.c | 7 +++---- 5 files changed, 12 insertions(+), 15 deletions(-) diff --git a/src/H5AC.c b/src/H5AC.c index 0a5411a..e1838fb 100644 --- a/src/H5AC.c +++ b/src/H5AC.c @@ -1612,7 +1612,7 @@ H5AC_unprotect(H5F_t *f, const H5AC_class_t *type, haddr_t addr, void *thing, done: /* If currently logging, generate a message */ if(f->shared->cache->log_info->logging) - if(H5C_log_write_unprotect_entry_msg(f->shared->cache, (H5AC_info_t *)thing, type->id, flags, ret_value) < 0) + if(H5C_log_write_unprotect_entry_msg(f->shared->cache, addr, type->id, flags, ret_value) < 0) HDONE_ERROR(H5E_CACHE, H5E_LOGGING, FAIL, "unable to emit log message") FUNC_LEAVE_NOAPI(ret_value) diff --git a/src/H5Clog.c b/src/H5Clog.c index 0ae7f13..cf9b7e8 100644 --- a/src/H5Clog.c +++ b/src/H5Clog.c @@ -887,7 +887,7 @@ done: *------------------------------------------------------------------------- */ herr_t -H5C_log_write_unprotect_entry_msg(H5C_t *cache, const H5C_cache_entry_t *entry, +H5C_log_write_unprotect_entry_msg(H5C_t *cache, haddr_t address, int type_id, unsigned flags, herr_t fxn_ret_value) { herr_t ret_value = SUCCEED; @@ -898,9 +898,8 @@ H5C_log_write_unprotect_entry_msg(H5C_t *cache, const H5C_cache_entry_t *entry, HDassert(cache); /* Write a log message */ - HDassert(entry); if(cache->log_info->cls->write_unprotect_entry_log_msg) - if(cache->log_info->cls->write_unprotect_entry_log_msg(cache->log_info->udata, entry, type_id, flags, fxn_ret_value) < 0) + if(cache->log_info->cls->write_unprotect_entry_log_msg(cache->log_info->udata, address, type_id, flags, fxn_ret_value) < 0) HGOTO_ERROR(H5E_CACHE, H5E_LOGGING, FAIL, "log-specific unprotect entry call failed") done: diff --git a/src/H5Clog.h b/src/H5Clog.h index 9ba6786..0235c4a 100644 --- a/src/H5Clog.h +++ b/src/H5Clog.h @@ -59,7 +59,7 @@ typedef struct H5C_log_class_t { herr_t (*write_resize_entry_log_msg)(void *udata, const H5C_cache_entry_t *entry, size_t new_size, herr_t fxn_ret_value); herr_t (*write_unpin_entry_log_msg)(void *udata, const H5C_cache_entry_t *entry, herr_t fxn_ret_value); herr_t (*write_destroy_fd_log_msg)(void *udata, const H5C_cache_entry_t *parent, const H5C_cache_entry_t *child, herr_t fxn_ret_value); - herr_t (*write_unprotect_entry_log_msg)(void *udata, const H5C_cache_entry_t *entry, int type_id, unsigned flags, herr_t fxn_ret_value); + herr_t (*write_unprotect_entry_log_msg)(void *udata, haddr_t address, int type_id, unsigned flags, herr_t fxn_ret_value); herr_t (*write_set_cache_config_log_msg)(void *udata, const H5AC_cache_config_t *config, herr_t fxn_ret_value); herr_t (*write_remove_entry_log_msg)(void *udata, const H5C_cache_entry_t *entry, herr_t fxn_ret_value); @@ -102,7 +102,7 @@ H5_DLL herr_t H5C_log_write_protect_entry_msg(H5C_t *cache, const H5C_cache_entr H5_DLL herr_t H5C_log_write_resize_entry_msg(H5C_t *cache, const H5C_cache_entry_t *entry, size_t new_size, herr_t fxn_ret_value); H5_DLL herr_t H5C_log_write_unpin_entry_msg(H5C_t *cache, const H5C_cache_entry_t *entry, herr_t fxn_ret_value); H5_DLL herr_t H5C_log_write_destroy_fd_msg(H5C_t *cache, const H5C_cache_entry_t *parent, const H5C_cache_entry_t *child, herr_t fxn_ret_value); -H5_DLL herr_t H5C_log_write_unprotect_entry_msg(H5C_t *cache, const H5C_cache_entry_t *entry, int type_id, unsigned flags, herr_t fxn_ret_value); +H5_DLL herr_t H5C_log_write_unprotect_entry_msg(H5C_t *cache, haddr_t address, int type_id, unsigned flags, herr_t fxn_ret_value); H5_DLL herr_t H5C_log_write_set_cache_config_msg(H5C_t *cache, const H5AC_cache_config_t *config, herr_t fxn_ret_value); H5_DLL herr_t H5C_log_write_remove_entry_msg(H5C_t *cache, const H5C_cache_entry_t *entry, herr_t fxn_ret_value); diff --git a/src/H5Clog_json.c b/src/H5Clog_json.c index ccfa222..dd9e9b2 100644 --- a/src/H5Clog_json.c +++ b/src/H5Clog_json.c @@ -41,7 +41,7 @@ /****************/ /* Max log message size */ -#define H5C_MAX_JSON_LOG_MSG_SIZE 128 +#define H5C_MAX_JSON_LOG_MSG_SIZE 1024 /******************/ @@ -87,7 +87,7 @@ static herr_t H5C__json_write_protect_entry_log_msg(void *udata, const H5C_cache static herr_t H5C__json_write_resize_entry_log_msg(void *udata, const H5C_cache_entry_t *entry, size_t new_size, herr_t fxn_ret_value); static herr_t H5C__json_write_unpin_entry_log_msg(void *udata, const H5C_cache_entry_t *entry, herr_t fxn_ret_value); static herr_t H5C__json_write_destroy_fd_log_msg(void *udata, const H5C_cache_entry_t *parent, const H5C_cache_entry_t *child, herr_t fxn_ret_value); -static herr_t H5C__json_write_unprotect_entry_log_msg(void *udata, const H5C_cache_entry_t *entry, int type_id, unsigned flags, herr_t fxn_ret_value); +static herr_t H5C__json_write_unprotect_entry_log_msg(void *udata, haddr_t address, int type_id, unsigned flags, herr_t fxn_ret_value); static herr_t H5C__json_write_set_cache_config_log_msg(void *udata, const H5AC_cache_config_t *config, herr_t fxn_ret_value); static herr_t H5C__json_write_remove_entry_log_msg(void *udata, const H5C_cache_entry_t *entry, herr_t fxn_ret_value); @@ -1232,7 +1232,7 @@ done: *------------------------------------------------------------------------- */ static herr_t -H5C__json_write_unprotect_entry_log_msg(void *udata, const H5C_cache_entry_t *entry, +H5C__json_write_unprotect_entry_log_msg(void *udata, haddr_t address, int type_id, unsigned flags, herr_t fxn_ret_value) { H5C_log_json_udata_t *json_udata = (H5C_log_json_udata_t *)(udata); @@ -1243,7 +1243,6 @@ H5C__json_write_unprotect_entry_log_msg(void *udata, const H5C_cache_entry_t *en /* Sanity checks */ HDassert(json_udata); HDassert(json_udata->message); - HDassert(entry); /* Create the log message string */ HDsnprintf(json_udata->message, H5C_MAX_JSON_LOG_MSG_SIZE, @@ -1257,7 +1256,7 @@ H5C__json_write_unprotect_entry_log_msg(void *udata, const H5C_cache_entry_t *en \"returned\":%d\ },\n\ " - , (long long)HDtime(NULL), (unsigned long)entry->addr, + , (long long)HDtime(NULL), (unsigned long)address, type_id, flags, (int)fxn_ret_value); /* Write the log message to the file */ diff --git a/src/H5Clog_trace.c b/src/H5Clog_trace.c index f7d6889..7c1305c 100644 --- a/src/H5Clog_trace.c +++ b/src/H5Clog_trace.c @@ -82,7 +82,7 @@ static herr_t H5C__trace_write_protect_entry_log_msg(void *udata, const H5C_cach static herr_t H5C__trace_write_resize_entry_log_msg(void *udata, const H5C_cache_entry_t *entry, size_t new_size, herr_t fxn_ret_value); static herr_t H5C__trace_write_unpin_entry_log_msg(void *udata, const H5C_cache_entry_t *entry, herr_t fxn_ret_value); static herr_t H5C__trace_write_destroy_fd_log_msg(void *udata, const H5C_cache_entry_t *parent, const H5C_cache_entry_t *child, herr_t fxn_ret_value); -static herr_t H5C__trace_write_unprotect_entry_log_msg(void *udata, const H5C_cache_entry_t *entry, int type_id, unsigned flags, herr_t fxn_ret_value); +static herr_t H5C__trace_write_unprotect_entry_log_msg(void *udata, haddr_t address, int type_id, unsigned flags, herr_t fxn_ret_value); static herr_t H5C__trace_write_set_cache_config_log_msg(void *udata, const H5AC_cache_config_t *config, herr_t fxn_ret_value); static herr_t H5C__trace_write_remove_entry_log_msg(void *udata, const H5C_cache_entry_t *entry, herr_t fxn_ret_value); @@ -872,7 +872,7 @@ done: *------------------------------------------------------------------------- */ static herr_t -H5C__trace_write_unprotect_entry_log_msg(void *udata, const H5C_cache_entry_t *entry, +H5C__trace_write_unprotect_entry_log_msg(void *udata, haddr_t address, int type_id, unsigned flags, herr_t fxn_ret_value) { H5C_log_trace_udata_t *trace_udata = (H5C_log_trace_udata_t *)(udata); @@ -883,11 +883,10 @@ H5C__trace_write_unprotect_entry_log_msg(void *udata, const H5C_cache_entry_t *e /* Sanity checks */ HDassert(trace_udata); HDassert(trace_udata->message); - HDassert(entry); /* Create the log message string */ HDsnprintf(trace_udata->message, H5C_MAX_TRACE_LOG_MSG_SIZE, "H5AC_unprotect 0x%lx %d 0x%x %d\n", - (unsigned long)(entry->addr), type_id, flags, (int)fxn_ret_value); + (unsigned long)(address), type_id, flags, (int)fxn_ret_value); /* Write the log message to the file */ if(H5C__trace_write_log_message(trace_udata) < 0) -- cgit v0.12 From 5f1f231310bcb3278f11a51e1ea47782f6ee3235 Mon Sep 17 00:00:00 2001 From: Dana Robinson Date: Fri, 1 Feb 2019 13:12:39 -0800 Subject: Updated H5Dio.c comment. --- src/H5Dio.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/src/H5Dio.c b/src/H5Dio.c index 4fdbebd..2f87e38 100644 --- a/src/H5Dio.c +++ b/src/H5Dio.c @@ -1031,12 +1031,9 @@ H5D__typeinfo_init(const H5D_t *dset, hid_t mem_type_id, hbool_t do_write, if(type_info->request_nelmts == 0) HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, FAIL, "temporary buffer max size is too small") - /* - * Get a temporary buffer for type conversion unless the app has already + /* Get a temporary buffer for type conversion unless the app has already * supplied one through the xfer properties. Instead of allocating a - * buffer which is the exact size, we allocate the target size. The - * malloc() is usually less resource-intensive if we allocate/free the - * same size over and over. + * buffer which is the exact size, we allocate the target size. */ if(NULL == (type_info->tconv_buf = (uint8_t *)tconv_buf)) { /* Allocate temporary buffer */ -- cgit v0.12 From 055208b71c573be3d4b1047b840d4d8b255bc25e Mon Sep 17 00:00:00 2001 From: Dana Robinson Date: Fri, 1 Feb 2019 13:23:54 -0800 Subject: Minor tweak to CMake preadwrite entry. --- CMakeLists.txt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/CMakeLists.txt b/CMakeLists.txt index cb9839b..85f701e 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -486,7 +486,7 @@ endif () #----------------------------------------------------------------------------- option (HDF5_ENABLE_PREADWRITE "Use pread/pwrite in sec2/log/core VFDs in place of read/write (when available)" ON) mark_as_advanced (HDF5_ENABLE_PREADWRITE) -if (HDF5_ENABLE_PREADWRITE AND ${HDF_PREFIX}_HAVE_PREAD AND ${HDF_PREFIX}_HAVE_PWRITE) +if (HDF5_ENABLE_PREADWRITE AND H5_HAVE_PREAD AND H5_HAVE_PWRITE) set (H5_HAVE_PREADWRITE 1) endif () -- cgit v0.12