diff options
| -rw-r--r-- | release_docs/RELEASE.txt | 12 | ||||
| -rw-r--r-- | src/H5.c | 4 | ||||
| -rw-r--r-- | src/H5VLint.c | 2 | ||||
| -rw-r--r-- | src/H5VLpassthru.c | 12 |
4 files changed, 28 insertions, 2 deletions
diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt index ff024c3..77cd88b 100644 --- a/release_docs/RELEASE.txt +++ b/release_docs/RELEASE.txt @@ -419,6 +419,18 @@ New Features (ADB - 2018/09/18, HDFFV-10332) + - Fix shutdown failure when using the HDF5_VOL_CONNECTOR environment variable + + When using the HDF5_VOL_CONNECTOR environment variable to set an + alternative default VOL connector, if the VOL connector is a dynamically + loaded plugin, the library can experience segmentation faults at when + the library is closed. This is due to the library unloading the plugins + before the virtual object layer. When then the VOL shutdown occurs, + it will attempt to close the default VOL connector, however this will + fail since the plugins will already have been unloaded. + + (DER - 2020/03/18, HDFFV-11057) + Parallel Library: ----------------- @@ -355,7 +355,9 @@ H5_term_library(void) pending += DOWN(Z); pending += DOWN(FD); pending += DOWN(VL); - pending += DOWN(PL); + /* Don't shut down the plugin code until all "pluggable" interfaces (Z, FD, PL) are shut down */ + if(pending == 0) + pending += DOWN(PL); /* Don't shut down the error code until other APIs which use it are shut down */ if(pending == 0) pending += DOWN(E); diff --git a/src/H5VLint.c b/src/H5VLint.c index 6572faa..861629f 100644 --- a/src/H5VLint.c +++ b/src/H5VLint.c @@ -273,7 +273,7 @@ H5VL_term_package(void) else { if(H5I_nmembers(H5I_VOL) > 0) { /* Unregister all VOL connectors */ - (void)H5I_clear_type(H5I_VOL, FALSE, FALSE); + (void)H5I_clear_type(H5I_VOL, TRUE, FALSE); n++; } /* end if */ else { diff --git a/src/H5VLpassthru.c b/src/H5VLpassthru.c index 8b3dc62..2cf470e 100644 --- a/src/H5VLpassthru.c +++ b/src/H5VLpassthru.c @@ -1591,6 +1591,10 @@ H5VL_pass_through_file_create(const char *name, unsigned flags, hid_t fcpl_id, /* Get copy of our VOL info from FAPL */ H5Pget_vol_info(fapl_id, (void **)&info); + /* Make sure we have info about the underlying VOL to be used */ + if (!info) + return NULL; + /* Copy the FAPL */ under_fapl_id = H5Pcopy(fapl_id); @@ -1645,6 +1649,10 @@ H5VL_pass_through_file_open(const char *name, unsigned flags, hid_t fapl_id, /* Get copy of our VOL info from FAPL */ H5Pget_vol_info(fapl_id, (void **)&info); + /* Make sure we have info about the underlying VOL to be used */ + if (!info) + return NULL; + /* Copy the FAPL */ under_fapl_id = H5Pcopy(fapl_id); @@ -1785,6 +1793,10 @@ H5VL_pass_through_file_specific(void *file, H5VL_file_specific_t specific_type, /* Get copy of our VOL info from FAPL */ H5Pget_vol_info(fapl_id, (void **)&info); + /* Make sure we have info about the underlying VOL to be used */ + if (!info) + return (-1); + /* Copy the FAPL */ under_fapl_id = H5Pcopy(fapl_id); |