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Diffstat (limited to 'innobase/include/com0shm.h')
-rw-r--r-- | innobase/include/com0shm.h | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/innobase/include/com0shm.h b/innobase/include/com0shm.h deleted file mode 100644 index 7de9c4ac2de..00000000000 --- a/innobase/include/com0shm.h +++ /dev/null @@ -1,103 +0,0 @@ -/****************************************************** -The communication through shared memory - -(c) 1995 Innobase Oy - -Created 9/23/1995 Heikki Tuuri -*******************************************************/ - -#ifndef com0shm_h -#define com0shm_h - -#include "univ.i" - -typedef struct com_shm_endpoint_struct com_shm_endpoint_t; - -/* The performance of communication in NT depends on how -many times a system call is made (excluding os_thread_yield, -as that is the fastest way to switch thread). -The following variable counts such events. */ - -extern ulint com_shm_system_call_count; - - -/************************************************************************* -Creates a communications endpoint. */ - -com_shm_endpoint_t* -com_shm_endpoint_create(void); -/*=========================*/ - /* out, own: communications endpoint, NULL if - did not succeed */ -/************************************************************************* -Frees a communications endpoint. */ - -ulint -com_shm_endpoint_free( -/*==================*/ - /* out: O if succeed, else error number */ - com_shm_endpoint_t* ep);/* in, own: communications endpoint */ -/************************************************************************* -Sets an option, like the maximum datagram size for an endpoint. -The options may vary depending on the endpoint type. */ - -ulint -com_shm_endpoint_set_option( -/*========================*/ - /* out: 0 if succeed, else error number */ - com_shm_endpoint_t* ep, /* in: endpoint */ - ulint optno, /* in: option number, only - COM_OPT_MAX_DGRAM_SIZE currently supported */ - byte* optval, /* in: pointer to a buffer containing the - option value to set */ - ulint optlen);/* in: option value buffer length */ -/************************************************************************* -Bind a communications endpoint to a specified address. */ - -ulint -com_shm_bind( -/*=========*/ - /* out: 0 if succeed, else error number */ - com_shm_endpoint_t* ep, /* in: communications endpoint */ - char* name, /* in: address name */ - ulint len); /* in: address name length */ -/************************************************************************* -Waits for a datagram to arrive at an endpoint. */ - -ulint -com_shm_recvfrom( -/*=============*/ - /* out: 0 if succeed, else error number */ - com_shm_endpoint_t* ep, /* in: communications endpoint */ - byte* buf, /* out: datagram buffer; the buffer is - supplied by the caller */ - ulint buf_len,/* in: datagram buffer length */ - ulint* len, /* out: datagram length */ - char* from, /* out: address name buffer; the buffer is - supplied by the caller */ - ulint from_len,/* in: address name buffer length */ - ulint* addr_len);/* out: address name length */ -/************************************************************************* -Sends a datagram to the specified destination. */ - -ulint -com_shm_sendto( -/*===========*/ - /* out: 0 if succeed, else error number */ - com_shm_endpoint_t* ep, /* in: communications endpoint */ - byte* buf, /* in: datagram buffer */ - ulint len, /* in: datagram length */ - char* to, /* in: address name buffer */ - ulint tolen); /* in: address name length */ - -ulint -com_shm_endpoint_get_size( -/*======================*/ - com_shm_endpoint_t* ep); - - -#ifndef UNIV_NONINL -#include "com0shm.ic" -#endif - -#endif |