Trap Mach#-40
svc · mach trap -40
_kernelrpc_mach_port_get_attributes_trap
Point d'entrée trap qui implémente mach_port_get_attributes — lit limites de file, nombre de messages et autres attributs par port.
Prototype
kern_return_t _kernelrpc_mach_port_get_attributes_trap(/* 5 args */);Retour: kern_return_t
Historique des versions
| XNU tag | macOS | # |
|---|---|---|
| xnu-4903.221.2 | macOS 10.14 Mojave | -40 |
| xnu-6153.11.26 | macOS 10.15 Catalina | -40 |
| xnu-7195.50.7.100.1 | macOS 11.0 Big Sur | -40 |
| xnu-8019.41.5 | macOS 12.0 Monterey | -40 |
| xnu-8792.41.9 | macOS 13.0 Ventura | -40 |
| xnu-10002.1.13 | macOS 14.0 Sonoma | -40 |
| xnu-11215.1.10 | macOS 15.0 Sequoia | -40 |
| xnu-11417.101.15 | macOS 15.4 Sequoia | -40 |
| xnu-12377.1.9 | macOS 26.0 Tahoe | -40 |
| xnu-10002.41.9 | — | -40 |
| xnu-10002.61.3 | — | -40 |
| xnu-10002.81.5 | — | -40 |
| xnu-10063.101.15 | — | -40 |
| xnu-10063.121.3 | — | -40 |
| xnu-10063.141.1 | — | -40 |
| xnu-11215.41.3 | — | -40 |
| xnu-11215.61.5 | — | -40 |
| xnu-11215.81.4 | — | -40 |
| xnu-11417.121.6 | — | -40 |
| xnu-11417.140.69 | — | -40 |
| xnu-12377.101.15 | — | -40 |
| xnu-12377.41.6 | — | -40 |
| xnu-12377.61.12 | — | -40 |
| xnu-12377.81.4 | — | -40 |
| xnu-4903.231.4 | — | -40 |
| xnu-4903.241.1 | — | -40 |
| xnu-4903.270.47 | — | -40 |
| xnu-6153.101.6 | — | -40 |
| xnu-6153.121.1 | — | -40 |
| xnu-6153.141.1 | — | -40 |
| xnu-6153.41.3 | — | -40 |
| xnu-6153.61.1 | — | -40 |
| xnu-6153.81.5 | — | -40 |
| xnu-7195.101.1 | — | -40 |
| xnu-7195.121.3 | — | -40 |
| xnu-7195.141.2 | — | -40 |
| xnu-7195.60.75 | — | -40 |
| xnu-7195.81.3 | — | -40 |
| xnu-8019.61.5 | — | -40 |
| xnu-8019.80.24 | — | -40 |
| xnu-8020.101.4 | — | -40 |
| xnu-8020.121.3 | — | -40 |
| xnu-8020.140.41 | — | -40 |
| xnu-8792.61.2 | — | -40 |
| xnu-8792.81.2 | — | -40 |
| xnu-8796.101.5 | — | -40 |
| xnu-8796.121.2 | — | -40 |
| xnu-8796.141.3 | — | -40 |
Notes
Selon l'argument flavor (MACH_PORT_LIMITS_INFO, MACH_PORT_RECEIVE_STATUS, MACH_PORT_DNREQUESTS_SIZE, MACH_PORT_INFO_EXT), il renvoie la profondeur de file configurée, le backlog actuel, le nombre de notifications dead-name en attente, ou des informations étendues incluant l'état des gardes. lsmp et l'inspecteur IPC du Moniteur d'activité reposent sur des appels répétés à ce trap. Il est en lecture seule et ne requiert aucun flavor privilégié.
Détection
Sonde DTrace mach_trap uniquement.
API associées
mach_port_get_attributesmach_port_set_attributes_kernelrpc_mach_port_type_traplsmp