Galantsev, Dmitrii
ea624cbb7c
Change-Id: I3cbb787ef27d90486b212dfb1a8c77c460acc2ac
Signed-off-by: Galantsev, Dmitrii <dmitrii.galantsev@amd.com>
[ROCm/rdc commit: 434e40305d]
96 строки
2.4 KiB
C++
96 строки
2.4 KiB
C++
/*
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Copyright (c) 2021 - present Advanced Micro Devices, Inc. All rights reserved.
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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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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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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 THE
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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 "common/rdc_capabilities.h"
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#include <assert.h>
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#include <errno.h>
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#include <sys/capability.h>
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namespace amd {
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namespace rdc {
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int GetCapability(cap_value_t cap, cap_flag_t cap_type, bool* enabled) {
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cap_t caps;
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assert(enabled != nullptr);
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if (enabled == nullptr) {
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return -1;
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}
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// Get process's current capabilities
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caps = cap_get_proc();
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if (caps == nullptr) {
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return errno;
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}
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cap_flag_value_t val;
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if (cap_get_flag(caps, cap, cap_type, &val) == -1) {
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int ret = errno;
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cap_free(caps);
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return ret;
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}
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if (cap_free(caps) == -1) {
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return errno;
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}
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*enabled = (val == CAP_SET ? true : false);
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return 0;
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}
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// !enable means disable;
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int ModifyCapability(cap_value_t cap, cap_flag_t cap_type, bool enable) {
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cap_t caps;
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cap_value_t cap_list[1];
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// Get process's current capabilities
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caps = cap_get_proc();
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if (caps == nullptr) {
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return errno;
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}
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// the 1 in the call below is the size of the cap_list array
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cap_list[0] = cap;
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if (cap_set_flag(caps, cap_type, 1, cap_list, enable ? CAP_SET : CAP_CLEAR) == -1) {
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int ret = errno;
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cap_free(caps);
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return ret;
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}
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if (cap_set_proc(caps) == -1) {
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int ret = errno;
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cap_free(caps);
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return ret;
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}
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if (cap_free(caps) == -1) {
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return errno;
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}
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return 0;
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}
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} // namespace rdc
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} // namespace amd
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