|MUNMAP(2)||System Calls Manual||MUNMAP(2)|
munmap() system call deletes the mappings for the specified address range, and causes further references to addresses within the range to generate invalid memory references.
munmap() will fail if:
munmap() function conforms to IEEE Std 1003.1-2008 (“POSIX.1”).
munmap() system call first appeared in 4.1cBSD. IEEE Std 1003.1-2008 (“POSIX.1”) specifies that
munmap() shall fail with
EINVALif len is 0. OpenBSD performs no action in this case.
|January 11, 2019||OpenBSD-current|