linuxdebug/tools/perf/trace/beauty/waitid_options.c

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2024-07-16 15:50:57 +02:00
// 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