Mmap Shared Memory Example
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Mmap Shared Memory Example
The main () function creates an application and an instance of our example's dialog class. The ftok subroutine provides the key that the shmget subroutine uses to create the shared segment. Do the operations on the memory area.
Ile cobol ile rpg ile c if the teraspace parameter is used when compiling the program. Updates to the mapping are visible to other processes that map this file, and are carried through to the underlying file. Return 30;} // place data into memory:
Readline ()) # prints bhello python!\n # read content via slice notation print (mm [:
Do the operations on the memory area. All operations valid on memory resulting from mmap() of a file are valid on memory resulting from. So one process uses shm_open plus ftruncate plus mmap.the other uses shm_open (with the same name) plus mmap plus shm_unlink. If your os permits the use of posix shared memory then i would suggest going with that.
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