Function report |
Source Code:kernel\bpf\core.c |
Create Date:2022-07-28 12:50:05 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:bpf_prog_array_copy
Proto:int bpf_prog_array_copy(struct bpf_prog_array *old_array, struct bpf_prog *exclude_prog, struct bpf_prog *include_prog, struct bpf_prog_array **new_array)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
struct bpf_prog_array * | old_array | |
struct bpf_prog * | exclude_prog | |
struct bpf_prog * | include_prog | |
struct bpf_prog_array ** | new_array |
1960 | carry_prog_cnt = 0 |
1963 | bool found_exclude = false |
1964 | new_prog_idx = 0 |
1969 | If old_array Then |
1972 | If prog == exclude_prog Then |
1973 | found_exclude = true |
1974 | Continue |
1976 | If prog != prog Then carry_prog_cnt++ |
1978 | If prog == include_prog Then Return -EEXIST |
1983 | If exclude_prog && Not found_exclude Then Return -ENOENT |
1987 | new_prog_cnt = carry_prog_cnt |
1988 | If include_prog Then new_prog_cnt += 1 |
1992 | If Not new_prog_cnt Then |
1993 | * new_array = NULL |
1994 | Return 0 |
1998 | array = bpf_prog_array_alloc(new_prog_cnt + 1, GFP_KERNEL) |
2003 | If carry_prog_cnt Then |
2012 | If include_prog Then prog = include_prog |
2014 | prog = NULL |
2016 | Return 0 |
Name | Describe |
---|---|
perf_event_detach_bpf_prog |
Source code conversion tool public plug-in interface | X |
---|---|
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