// SPDX-License-Identifier: GPL-2.0
#include <vmlinux.h>
#include <bpf/bpf_helpers.h>
#include "bpf_misc.h"
__noinline
long changes_pkt_data(struct __sk_buff *sk)
{
return bpf_skb_pull_data(sk, 0);
}
__noinline __weak
long does_not_change_pkt_data(struct __sk_buff *sk)
{
return 0;
}
SEC("?tc" )
int main_changes_with_subprogs(struct __sk_buff *sk)
{
changes_pkt_data(sk);
does_not_change_pkt_data(sk);
return 0;
}
SEC("?tc" )
int main_changes(struct __sk_buff *sk)
{
bpf_skb_pull_data(sk, 0);
return 0;
}
SEC("?tc" )
int main_does_not_change(struct __sk_buff *sk)
{
return 0;
}
__noinline
long might_sleep(struct pt_regs *ctx __arg_ctx)
{
int i;
bpf_copy_from_user(&i, sizeof (i), NULL);
return i;
}
__noinline __weak
long does_not_sleep(struct pt_regs *ctx __arg_ctx)
{
return 0;
}
SEC("?uprobe.s" )
int main_might_sleep_with_subprogs(struct pt_regs *ctx)
{
might_sleep(ctx);
does_not_sleep(ctx);
return 0;
}
SEC("?uprobe.s" )
int main_might_sleep(struct pt_regs *ctx)
{
int i;
bpf_copy_from_user(&i, sizeof (i), NULL);
return i;
}
SEC("?uprobe.s" )
int main_does_not_sleep(struct pt_regs *ctx)
{
return 0;
}
char _license[] SEC("license" ) = "GPL" ;
Messung V0.5 C=96 H=95 G=95
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet)
¤
*© Formatika GbR, Deutschland