79 lines
2.2 KiB
C
79 lines
2.2 KiB
C
/*
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* Copyright 2005-2009, Haiku Inc. All Rights Reserved.
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* Distributed under the terms of the MIT license.
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*/
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#ifndef _KERNEL_PORT_H
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#define _KERNEL_PORT_H
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#include <thread.h>
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#include <iovec.h>
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struct kernel_args;
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struct select_info;
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#define PORT_FLAG_USE_USER_MEMCPY 0x80000000
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// port flags
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enum {
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// read_port_etc() flags
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B_PEEK_PORT_MESSAGE = 0x100 // read the message, but don't remove it;
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// kernel-only; memory must be locked
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};
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// port notifications
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#define PORT_MONITOR '_Pm_'
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#define PORT_ADDED 0x01
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#define PORT_REMOVED 0x02
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#ifdef __cplusplus
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extern "C" {
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#endif
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status_t port_init(struct kernel_args *args);
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void delete_owned_ports(Team* team);
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int32 port_max_ports(void);
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int32 port_used_ports(void);
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size_t port_team_link_offset();
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status_t select_port(int32 object, struct select_info *info, bool kernel);
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status_t deselect_port(int32 object, struct select_info *info, bool kernel);
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// currently private API
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status_t writev_port_etc(port_id id, int32 msgCode, const iovec *msgVecs,
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size_t vecCount, size_t bufferSize, uint32 flags,
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bigtime_t timeout);
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// user syscalls
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port_id _user_create_port(int32 queueLength, const char *name);
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status_t _user_close_port(port_id id);
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status_t _user_delete_port(port_id id);
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port_id _user_find_port(const char *portName);
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status_t _user_get_port_info(port_id id, struct port_info *info);
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status_t _user_get_next_port_info(team_id team, int32 *cookie,
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struct port_info *info);
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ssize_t _user_port_buffer_size_etc(port_id port, uint32 flags,
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bigtime_t timeout);
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ssize_t _user_port_count(port_id port);
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ssize_t _user_read_port_etc(port_id port, int32 *msgCode,
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void *msgBuffer, size_t bufferSize, uint32 flags,
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bigtime_t timeout);
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status_t _user_set_port_owner(port_id port, team_id team);
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status_t _user_write_port_etc(port_id port, int32 msgCode,
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const void *msgBuffer, size_t bufferSize,
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uint32 flags, bigtime_t timeout);
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status_t _user_writev_port_etc(port_id id, int32 msgCode,
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const iovec *msgVecs, size_t vecCount,
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size_t bufferSize, uint32 flags, bigtime_t timeout);
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status_t _user_get_port_message_info_etc(port_id port,
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port_message_info *info, size_t infoSize, uint32 flags,
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bigtime_t timeout);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _KERNEL_PORT_H */
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