From: Arnaldo Carvalho de Melo <[email protected]> Start with a getpid() function wrapping BPF_FUNC_get_current_pid_tgid, idea is to mimic the system headers.
Cc: Adrian Hunter <[email protected]> Cc: David Ahern <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Wang Nan <[email protected]> Link: https://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> --- tools/perf/include/bpf/unistd.h | 10 ++++++++++ 1 file changed, 10 insertions(+) create mode 100644 tools/perf/include/bpf/unistd.h diff --git a/tools/perf/include/bpf/unistd.h b/tools/perf/include/bpf/unistd.h new file mode 100644 index 000000000000..ca7877f9a976 --- /dev/null +++ b/tools/perf/include/bpf/unistd.h @@ -0,0 +1,10 @@ +// SPDX-License-Identifier: LGPL-2.1 + +#include <bpf.h> + +static int (*bpf_get_current_pid_tgid)(void) = (void *)BPF_FUNC_get_current_pid_tgid; + +static pid_t getpid(void) +{ + return bpf_get_current_pid_tgid(); +} -- 2.14.5
