hc
2024-11-01 2f529f9b558ca1c1bd74be7437a84e4711743404
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// SPDX-License-Identifier: LGPL-2.1
 
#ifndef _PERF_BPF_PID_FILTER_
#define _PERF_BPF_PID_FILTER_
 
#include <bpf.h>
 
#define pid_filter(name) pid_map(name, bool)
 
static int pid_filter__add(struct bpf_map *pids, pid_t pid)
{
   bool value = true;
   return bpf_map_update_elem(pids, &pid, &value, BPF_NOEXIST);
}
 
static bool pid_filter__has(struct bpf_map *pids, pid_t pid)
{
   return bpf_map_lookup_elem(pids, &pid) != NULL;
}
 
#endif // _PERF_BPF_PID_FILTER_