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This patch make each worker use a unique cgroup base directory, thus allowing tests that uses cgroups to run concurrently. Signed-off-by: Yucong Sun <sunyucong@gmail.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20211006185619.364369-5-fallentree@fb.com
29 lines
793 B
C
29 lines
793 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __CGROUP_HELPERS_H
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#define __CGROUP_HELPERS_H
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#include <errno.h>
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#include <string.h>
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#define clean_errno() (errno == 0 ? "None" : strerror(errno))
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#define log_err(MSG, ...) fprintf(stderr, "(%s:%d: errno: %s) " MSG "\n", \
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__FILE__, __LINE__, clean_errno(), ##__VA_ARGS__)
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/* cgroupv2 related */
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int cgroup_setup_and_join(const char *path);
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int create_and_get_cgroup(const char *path);
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unsigned long long get_cgroup_id(const char *path);
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int join_cgroup(const char *path);
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int setup_cgroup_environment(void);
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void cleanup_cgroup_environment(void);
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/* cgroupv1 related */
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int set_classid(unsigned int id);
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int join_classid(void);
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int setup_classid_environment(void);
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void cleanup_classid_environment(void);
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#endif /* __CGROUP_HELPERS_H */ |