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Length: 1197 (0x4ad)
Types: TextFile
Notes: R1k Text-file segment
└─⟦8527c1e9b⟧ Bits:30000544 8mm tape, Rational 1000, Arrival backup of disks in PAM's R1000
└─ ⟦cfc2e13cd⟧ »Space Info Vol 2«
└─⟦23109fe35⟧
└─⟦this⟧
with file_support; package safe_support is -- Ada tasking safe and abort safe file I/O support. -- -- All sequential_io, direct_io, text_io, integer_io, float_io, -- fixed_io and enumeration_io file operations are wrapped -- by the services file_lock() and file_unlock(). The user -- is guaranteed atomic operations on a per task basis. -- Furthermore, the task initiating the I/O request is inhibited from being -- completed by an Ada Abort until it finishes. -- -- The remaining lock() and unlock() services protect -- data structures shared across multiple files. -- Initialize/destroy the file's lock mutex function file_mutex_init(file: file_support.file_ptr) return boolean; procedure file_mutex_destroy(file: file_support.file_ptr); procedure file_lock(file: file_support.file_ptr); procedure file_unlock(file: file_support.file_ptr); -- Protect shared data structures in text_io procedure text_io_lock; procedure text_io_unlock; -- Protect shared data structures in file_support procedure file_support_lock; procedure file_support_unlock; -- Protect shared data structures in os_files procedure os_files_lock; procedure os_files_unlock; end safe_support