31a5ff5d8e
allocating a buffer and copying your data into it, when you have data to send in several chunks (for example, this could be used by BMessage, as suggested by Ingo Weinhold). Code is untested, but should work. git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@13667 a95241bf-73f2-0310-859d-f6bbb57e9c96
60 lines
1.7 KiB
C
60 lines
1.7 KiB
C
/*
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* Copyright 2005, 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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#define PORT_FLAG_USE_USER_MEMCPY 0x80000000
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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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int delete_owned_ports(team_id owner);
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int32 port_max_ports(void);
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int32 port_used_ports(void);
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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, bigtime_t timeout);
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// temp: test
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void port_test(void);
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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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#ifdef __cplusplus
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}
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#endif
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#endif /* _KERNEL_PORT_H */
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