...orted. This includes: the MSG_OOB flag that is not implemented for the send (2) family of syscalls and MSG_PEEK for the recv (2) family of syscalls. EPROTONOSUPPORT Invalid sock…...s of these libraries are covered by the man-pages project, where they are known. SEE ALSO syscalls (2), getauxval (3), proc (5), feature_test_macros (7), man-pages (7), standard…...s of these libraries are covered by the man-pages project, where they are known. SEE ALSO syscalls (2), getauxval (3), proc (5), feature_test_macros (7), man-pages (7), standard…...addition to the vDSO above, it also has "light-weight system calls" (also known as "fast syscalls" or "fsys"). You can invoke these via the __kernel_syscall_via_epc vDSO helper.…...strictions when manipulating another process. To be allowed to use ptrace (2) and related syscalls on a target process, a sandboxed process should have a subset of the target pr…...ctions that have been added to glibc since glibc 2.1 (i.e., changes since glibc 2.0). The syscalls (2) manual page also provides information about kernel versions in which vario…