Function SharedFileSetOpen

src/backend/storage/file/sharedfileset.c:182–192

* Open a file that was created with SharedFileSetCreate(), possibly in * another backend. */

 * another backend.
 */
File
SharedFileSetOpen(SharedFileSet *fileset, const char *name, int mode)
{
	char		path[MAXPGPATH];
	File		file;

	SharedFilePath(path, fileset, name);
	file = PathNameOpenTemporaryFile(path, mode);

	return file;
}

/*
 * Delete a file that was created with SharedFileSetCreate().