Opened 12 years ago
Closed 12 years ago
#4848 closed defect (fixed)
CPLOpenShared() doesn't behave nicely in a multi-threaded scenario
| Reported by: | Even Rouault | Owned by: | warmerdam |
|---|---|---|---|
| Priority: | normal | Milestone: | 1.9.2 |
| Component: | default | Version: | unspecified |
| Severity: | normal | Keywords: | CPLOpenShared VRTRawRasterBand threads |
| Cc: |
Description
Reported as http://lists.osgeo.org/pipermail/gdal-dev/2012-October/034175.html
VRTRawRasterBand uses CPLOpenShared() to open the raw file. If 2 threads open the same VRT, they will currently share the same handle to the raw file, which will lead to chaos.
To avoid that, CPLOpenShared() must take into account the thread ID.
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Fixed in trunk (r25041) and branches/1.9 (r25042)