linux/tools/perf/trace/beauty/waitid_options.c
Arnaldo Carvalho de Melo 794f594e0c perf beauty: Switch from GPL v2.0 to LGPL v2.1
The intention is to have this as a library, since it is not perf
specific at all.

I did the switch for the files where I'm the only contributor, with the
exception of a few lines changed by Jiri Olsa.

Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-a04q6chdyjknm1hr305ulx8h@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-10-30 11:46:23 -03:00

28 lines
666 B
C

// SPDX-License-Identifier: LGPL-2.1
#include <sys/types.h>
#include <sys/wait.h>
static size_t syscall_arg__scnprintf_waitid_options(char *bf, size_t size,
struct syscall_arg *arg)
{
int printed = 0, options = arg->val;
#define P_OPTION(n) \
if (options & W##n) { \
printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
options &= ~W##n; \
}
P_OPTION(NOHANG);
P_OPTION(UNTRACED);
P_OPTION(CONTINUED);
#undef P_OPTION
if (options)
printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", options);
return printed;
}
#define SCA_WAITID_OPTIONS syscall_arg__scnprintf_waitid_options