73 lines
2.1 KiB
C
73 lines
2.1 KiB
C
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/*
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* QEMU TCP Tunnelling
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*
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* Copyright (c) 2019 Lev Aronsky <aronsky@gmail.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <stdarg.h>
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#include "hw/arm/guest-services/fds.h"
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#include "cpu.h"
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int32_t guest_svcs_fds[MAX_FD_COUNT] = { [0 ... MAX_FD_COUNT-1] = -1 };
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int32_t qc_handle_close(CPUState *cpu, int32_t fd)
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{
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VERIFY_FD(fd);
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int retval = -1;
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if ((retval = close(guest_svcs_fds[fd])) < 0) {
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guest_svcs_errno = errno;
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} else {
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// TODO: should this be in the "else" clause, or performed regardless?
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guest_svcs_fds[fd] = -1;
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}
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return retval;
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}
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int32_t qc_handle_fcntl_getfl(CPUState *cpu, int32_t fd)
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{
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VERIFY_FD(fd);
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int retval = -1;
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if ((retval = fcntl(guest_svcs_fds[fd], F_GETFL)) < 0) {
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guest_svcs_errno = errno;
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}
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return retval;
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}
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int32_t qc_handle_fcntl_setfl(CPUState *cpu, int32_t fd, int32_t flags)
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{
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VERIFY_FD(fd);
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int retval = -1;
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if ((retval = fcntl(guest_svcs_fds[fd], F_SETFL, flags)) < 0) {
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guest_svcs_errno = errno;
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}
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return retval;
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}
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