linux/tools/perf/include/bpf/unistd.h

// 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();
}
perf bpf: Add unistd.h to the headers accessible to bpf proggies Start with a getpid() function wrapping BPF_FUNC_get_current_pid_tgid, idea is to mimic the system headers. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: https://lkml.kernel.org/n/tip-zo8hv22onidep7tm785dzxfk@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> 2018-11-06 15:21:45 -03:00			`// 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();`
			`}`