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Next: shmwrite ID,STRING,POS,SIZE
Reads or writes the System
V shared memory segment
ID starting at position
POS for size
SIZE by attaching to it, copying in/out, and detaching from it. When reading,
VAR must be a variable which will hold the data read. When writing, if
STRING is too long, only
SIZE bytes are used; if
STRING is too short, nulls are written to fill out
SIZE bytes. Return
TRUE if successful, or
FALSE if there is an error.
Source: Perl builtin functions
Copyright: Larry Wall, et al.
Previous: shmget KEY,SIZE,FLAGS
(Corrections, notes, and links courtesy of RocketAware.com)
Up to: Local Process Communication
Up to: Memory blocks (Sometimes called "Byte Strings")
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