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Diffstat (limited to '')
-rw-r--r-- | tools/perf/trace/beauty/waitid_options.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/tools/perf/trace/beauty/waitid_options.c b/tools/perf/trace/beauty/waitid_options.c new file mode 100644 index 000000000..d4d10b33b --- /dev/null +++ b/tools/perf/trace/beauty/waitid_options.c @@ -0,0 +1,29 @@ +// 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) +{ + bool show_prefix = arg->show_string_prefix; + const char *prefix = "W"; + int printed = 0, options = arg->val; + +#define P_OPTION(n) \ + if (options & W##n) { \ + printed += scnprintf(bf + printed, size - printed, "%s%s%s", printed ? "|" : "", show_prefix ? prefix : "", #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 |