Noun
syscall (plural syscalls)
(computing) A software request for a service from the operating system kernel.
NtGdiEngCreatePalette syscall may be also quite useful for stack spraying purposes during kernel exploitation, as it allows programs to easily write 1024 controlled bytes to a continuous area of the stack. Source: Internet
Recall that a single-side of a syscall took 20μs under BSD and 114μs on Mach running on the same system. Source: Internet
This adds up to only 29μs, longer than a traditional syscall, but not by much. Source: Internet
This signal can be a valid unsigned number that matches a position in the kernel’s syscall table, for instance 9, or a signal name in the format SIGNAME, for instance SIGKILL. Source: Internet