30 lines
978 B
C
30 lines
978 B
C
#include "syslib.h"
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#include <string.h>
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int sys_vircopy(src_proc, src_vir,
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dst_proc, dst_vir, bytes, flags)
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endpoint_t src_proc; /* source process */
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vir_bytes src_vir; /* source virtual address */
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endpoint_t dst_proc; /* destination process */
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vir_bytes dst_vir; /* destination virtual address */
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phys_bytes bytes; /* how many bytes */
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int flags; /* copy flags */
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{
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/* Transfer a block of data. The source and destination can each either be a
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* process number or SELF (to indicate own process number).
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*/
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message copy_mess;
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if (bytes == 0L) return(OK);
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memset(©_mess, 0, sizeof(copy_mess));
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copy_mess.m_lsys_krn_sys_copy.src_endpt = src_proc;
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copy_mess.m_lsys_krn_sys_copy.src_addr = src_vir;
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copy_mess.m_lsys_krn_sys_copy.dst_endpt = dst_proc;
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copy_mess.m_lsys_krn_sys_copy.dst_addr = dst_vir;
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copy_mess.m_lsys_krn_sys_copy.nr_bytes = bytes;
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copy_mess.m_lsys_krn_sys_copy.flags = flags;
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return(_kernel_call(SYS_VIRCOPY, ©_mess));
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}
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