X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/2d21ac55c334faf3a56e5634905ed6987fc787d4..b226f5e54a60dc81db17b1260381d7dbfea3cdf1:/osfmk/ipc/ipc_table.h diff --git a/osfmk/ipc/ipc_table.h b/osfmk/ipc/ipc_table.h index 1c5eb1bcf..2b092bbca 100644 --- a/osfmk/ipc/ipc_table.h +++ b/osfmk/ipc/ipc_table.h @@ -106,69 +106,46 @@ struct ipc_table_size { }; extern ipc_table_size_t ipc_table_entries; -extern ipc_table_size_t ipc_table_dnrequests; +extern ipc_table_size_t ipc_table_requests; /* Initialize IPC capabilities table storage */ -extern void ipc_table_init(void) __attribute__((section("__TEXT, initcode"))); +extern void ipc_table_init(void); /* - * Note that ipc_table_alloc, ipc_table_realloc, and ipc_table_free - * all potentially use the VM system. Hence simple locks can't + * Note that ipc_table_alloc and ipc_table_free + * potentially use the VM system. Hence simple locks can't * be held across them. - * - * We can't use a copying realloc, because the realloc happens - * with the data unlocked. ipc_table_realloc remaps the data, - * so it is OK. */ /* Allocate a table */ extern void * ipc_table_alloc( vm_size_t size); -/* Reallocate a big table */ -extern void * ipc_table_realloc( - vm_size_t old_size, - void * old_table, - vm_size_t new_size); - /* Free a table */ extern void ipc_table_free( vm_size_t size, void * table); -#define it_entries_reallocable(its) \ - ((its)->its_size * sizeof(struct ipc_entry) >= PAGE_SIZE) - #define it_entries_alloc(its) \ ((ipc_entry_t) \ - ipc_table_alloc(it_entries_reallocable(its) ? \ - round_page((its)->its_size * sizeof(struct ipc_entry)) : \ - (its)->its_size * sizeof(struct ipc_entry) \ - )) - -#define it_entries_realloc(its, table, nits) \ - ((ipc_entry_t) \ - ipc_table_realloc( \ - round_page((its)->its_size * sizeof(struct ipc_entry)), \ - (void *)(table), \ - round_page((nits)->its_size * sizeof(struct ipc_entry)) \ - )) + ipc_table_alloc((its)->its_size * sizeof(struct ipc_entry))) #define it_entries_free(its, table) \ - ipc_table_free(it_entries_reallocable(its) ? \ - round_page((its)->its_size * sizeof(struct ipc_entry)) : \ - (its)->its_size * sizeof(struct ipc_entry), \ - (void *)(table) \ - ) + ipc_table_free((its)->its_size * sizeof(struct ipc_entry), \ + (void *)(table)) -#define it_dnrequests_alloc(its) \ + +#define it_requests_alloc(its) \ ((ipc_port_request_t) \ ipc_table_alloc((its)->its_size * \ sizeof(struct ipc_port_request))) -#define it_dnrequests_free(its, table) \ +#define it_requests_free(its, table) \ ipc_table_free((its)->its_size * \ sizeof(struct ipc_port_request), \ (void *)(table)) +extern unsigned int ipc_table_max_entries(void); +extern unsigned int ipc_table_max_requests(void); + #endif /* _IPC_IPC_TABLE_H_ */