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darshan
darshan
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905e0ac4
Commit
905e0ac4
authored
Apr 01, 2015
by
Philip Carns
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extended comments on posix_file_runtime_ref
parent
2f7e0da1
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darshan-runtime/lib/darshan-posix.c
darshan-runtime/lib/darshan-posix.c
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darshan-runtime/lib/darshan-posix.c
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905e0ac4
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@@ -138,6 +138,17 @@ struct posix_file_runtime
* available. This structure includes another hash table link, since separate
* hashes are maintained for posix_file_runtime structures and posix_file_runtime_ref
* structures.
*
* RATIONALE: In theory the fd information could be included in the
* posix_file_runtime struct rather than in a separate structure here. The
* reason we don't do that is because the same file could be opened multiple
* times by a given process with different file descriptors and thus
* simulataneously referenced using different file descriptors. This practice is
* not common, but we must support it.
*
* NOTE: there are potentially multiple posix_file_runtime_ref structures
* referring to a single posix_file_runtime structure. Most of the time there is
* only one, however.
*/
struct
posix_file_runtime_ref
{
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