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Trap Mach#-43

svc · mach trap -43

mach_generate_activity_id

Alloue un identifiant os_activity_t frais, unique au sein de la tâche appelante.

Prototype

kern_return_t mach_generate_activity_id(/* 3 args */);

Retour: kern_return_t

Historique des versions

XNU tagmacOS#
xnu-3789.1.32macOS 10.12 Sierra-43
xnu-4570.1.46macOS 10.13 High Sierra-43
xnu-4903.221.2macOS 10.14 Mojave-43
xnu-6153.11.26macOS 10.15 Catalina-43
xnu-7195.50.7.100.1macOS 11.0 Big Sur-43
xnu-8019.41.5macOS 12.0 Monterey-43
xnu-8792.41.9macOS 13.0 Ventura-43
xnu-10002.1.13macOS 14.0 Sonoma-43
xnu-11215.1.10macOS 15.0 Sequoia-43
xnu-11417.101.15macOS 15.4 Sequoia-43
xnu-12377.1.9macOS 26.0 Tahoe-43
xnu-10002.41.9-43
xnu-10002.61.3-43
xnu-10002.81.5-43
xnu-10063.101.15-43
xnu-10063.121.3-43
xnu-10063.141.1-43
xnu-11215.41.3-43
xnu-11215.61.5-43
xnu-11215.81.4-43
xnu-11417.121.6-43
xnu-11417.140.69-43
xnu-12377.101.15-43
xnu-12377.41.6-43
xnu-12377.61.12-43
xnu-12377.81.4-43
xnu-3789.21.4-43
xnu-3789.31.2-43
xnu-3789.41.3-43
xnu-3789.51.2-43
xnu-3789.60.24-43
xnu-3789.70.16-43
xnu-4570.20.62-43
xnu-4570.31.3-43
xnu-4570.41.2-43
xnu-4570.51.1-43
xnu-4570.61.1-43
xnu-4570.71.2-43
xnu-4903.231.4-43
xnu-4903.241.1-43
xnu-4903.270.47-43
xnu-6153.101.6-43
xnu-6153.121.1-43
xnu-6153.141.1-43
xnu-6153.41.3-43
xnu-6153.61.1-43
xnu-6153.81.5-43
xnu-7195.101.1-43
xnu-7195.121.3-43
xnu-7195.141.2-43
xnu-7195.60.75-43
xnu-7195.81.3-43
xnu-8019.61.5-43
xnu-8019.80.24-43
xnu-8020.101.4-43
xnu-8020.121.3-43
xnu-8020.140.41-43
xnu-8792.61.2-43
xnu-8792.81.2-43
xnu-8796.101.5-43
xnu-8796.121.2-43
xnu-8796.141.3-43

Notes

os_activity / os_log utilise des identifiants d'activité opaques sur 64 bits pour rattacher du travail relié à travers threads et processus. mach_generate_activity_id réserve une plage contiguë d'IDs depuis le noyau pour que libtrace puisse les distribuer sans contention. Les IDs renvoyés sont des jetons opaques, à ne pas interpréter comme des compteurs.

API associées

os_activity_createos_activity_applyos_log_createvoucher_create