文件操作 - ww_mutex.sh
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文件: /usr/src/linux-headers-5.15.0-113/tools/testing/selftests/locking/ww_mutex.sh
编辑文件内容
#!/bin/sh # SPDX-License-Identifier: GPL-2.0 # Kselftest framework requirement - SKIP code is 4. ksft_skip=4 # Runs API tests for struct ww_mutex (Wait/Wound mutexes) if ! /sbin/modprobe -q -n test-ww_mutex; then echo "ww_mutex: module test-ww_mutex is not found [SKIP]" exit $ksft_skip fi if /sbin/modprobe -q test-ww_mutex; then /sbin/modprobe -q -r test-ww_mutex echo "locking/ww_mutex: ok" else echo "locking/ww_mutex: [FAIL]" exit 1 fi
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