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36 .Nd syscall kernel module declaration macro
43 .Fn SYSCALL_MODULE name "int *offset" "struct sysent *new_sysent" "modeventhand_t evh" "void *arg"
47 macro declares a new syscall.
49 expands into a kernel module declaration named as
52 The rest of the arguments expected by this macro are:
53 .Bl -tag -width ".Fa new_sysent"
57 which saves the offset in
59 where the syscall is allocated.
61 is a pointer to a structure that specifies the function implementing
62 the syscall and the number of arguments this function needs (see
65 A pointer to the kernel module event handler function with the argument
71 The argument passed to the callback functions of the
73 event handler when it is called.
76 A minimal example for a syscall module can be found in
77 .Pa /usr/share/examples/kld/syscall/module/syscall.c .
81 .Pa /usr/share/examples/kld/syscall/module/syscall.c
83 This manual page was written by
84 .An Alexander Langer Aq alex@FreeBSD.org .