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32 .Nd "casper service declaration macro"
38 .In libcasper_service.h
40 typedef int service_limit_func_t(const nvlist_t *, const nvlist_t *);
42 typedef int service_command_func_t(const char *, const nvlist_t *, nvlist_t *,
46 .Fn CREATE_SERVICE "name" "limit_func" "command_func" "flags"
50 macro is used to create a new casper service.
53 is a string containing the service name, which will be used in the
54 .Xr cap_service_open 3 ,
55 function to identify it.
60 .Li service_limit_func_t
61 where the first argument of the function contains an
63 old service limits and
64 the second argument contains the new limits.
65 If the service was not limited then the old limits will be set to
67 This function must not allow the extension of service limits.
71 .Li service_command_func_t
72 where the first argument is the name of the command that should be executed.
75 contains the current limits and the second contains an
77 with the current request.
78 The last argument contains a return value
80 which contains the response from casper.
84 argument defines the limits of the service.
85 The supported flags are:
86 .Bl -ohang -offset indent
87 .It CASPER_SERVICE_STDIO
88 The casper service has access to the stdio descriptors from the process it was
91 The casper service has access to all of the descriptors,
92 besides the stdio descriptors,
93 from the process it was spawned from.
94 .It CASPER_SERVICE_NO_UNIQ_LIMITS
95 The whole casper communication is using an
109 library first appeared in
114 library was implemented by
115 .An Pawel Jakub Dawidek Aq Mt pawel@dawidek.net
116 under sponsorship from the FreeBSD Foundation.
119 new architecture was implemented by
120 .An Mariusz Zaborski Aq Mt oshogbo@FreeBSD.org