1 /* 2 * Copyright 2005, Haiku Inc. All Rights Reserved. 3 * Distributed under the terms of the MIT license. 4 */ 5 #ifndef _KERNEL_PORT_H 6 #define _KERNEL_PORT_H 7 8 9 #include <thread.h> 10 #include <iovec.h> 11 12 struct kernel_args; 13 struct select_info; 14 15 16 #define PORT_FLAG_USE_USER_MEMCPY 0x80000000 17 18 #ifdef __cplusplus 19 extern "C" { 20 #endif 21 22 status_t port_init(struct kernel_args *args); 23 int delete_owned_ports(team_id owner); 24 int32 port_max_ports(void); 25 int32 port_used_ports(void); 26 27 status_t select_port(int32 object, struct select_info *info, bool kernel); 28 status_t deselect_port(int32 object, struct select_info *info, bool kernel); 29 30 // currently private API 31 status_t writev_port_etc(port_id id, int32 msgCode, const iovec *msgVecs, 32 size_t vecCount, size_t bufferSize, uint32 flags, bigtime_t timeout); 33 34 // temp: test 35 void port_test(void); 36 37 // user syscalls 38 port_id _user_create_port(int32 queueLength, const char *name); 39 status_t _user_close_port(port_id id); 40 status_t _user_delete_port(port_id id); 41 port_id _user_find_port(const char *portName); 42 status_t _user_get_port_info(port_id id, struct port_info *info); 43 status_t _user_get_next_port_info(team_id team, int32 *cookie, 44 struct port_info *info); 45 ssize_t _user_port_buffer_size_etc(port_id port, uint32 flags, 46 bigtime_t timeout); 47 ssize_t _user_port_count(port_id port); 48 ssize_t _user_read_port_etc(port_id port, int32 *msgCode, 49 void *msgBuffer, size_t bufferSize, uint32 flags, 50 bigtime_t timeout); 51 status_t _user_set_port_owner(port_id port, team_id team); 52 status_t _user_write_port_etc(port_id port, int32 msgCode, 53 const void *msgBuffer, size_t bufferSize, 54 uint32 flags, bigtime_t timeout); 55 status_t _user_writev_port_etc(port_id id, int32 msgCode, 56 const iovec *msgVecs, size_t vecCount, 57 size_t bufferSize, uint32 flags, bigtime_t timeout); 58 59 #ifdef __cplusplus 60 } 61 #endif 62 63 #endif /* _KERNEL_PORT_H */ 64