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cpp/third_party/postgresql/include/pgsql/server/storage/sharedfileset.h
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ihtiandr9 (note)
build Win. Supported only x64
25 авг 2025, 05:07
25 авг 2025, 05:07
ea9dcd2
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/*------------------------------------------------------------------------- * * sharedfileset.h * Shared temporary file management. * * * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * * src/include/storage/sharedfileset.h * *------------------------------------------------------------------------- */ #ifndef SHAREDFILESET_H #define SHAREDFILESET_H #include "storage/dsm.h" #include "storage/fd.h" #include "storage/fileset.h" #include "storage/spin.h" /* * A set of temporary files that can be shared by multiple backends. */ typedef struct SharedFileSet { FileSet fs; slock_t mutex; /* mutex protecting the reference count */ int refcnt; /* number of attached backends */ } SharedFileSet; extern void SharedFileSetInit(SharedFileSet *fileset, dsm_segment *seg); extern void SharedFileSetAttach(SharedFileSet *fileset, dsm_segment *seg); extern void SharedFileSetDeleteAll(SharedFileSet *fileset); #endif