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@@ -517,6 +517,29 @@ static size_t syscall_arg__scnprintf_eventfd_flags(char *bf, size_t size,
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#define SCA_EFD_FLAGS syscall_arg__scnprintf_eventfd_flags
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+static size_t syscall_arg__scnprintf_pipe_flags(char *bf, size_t size,
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+ struct syscall_arg *arg)
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+{
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+ int printed = 0, flags = arg->val;
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+
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+#define P_FLAG(n) \
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+ if (flags & O_##n) { \
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+ printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
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+ flags &= ~O_##n; \
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+ }
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+
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+ P_FLAG(CLOEXEC);
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+ P_FLAG(NONBLOCK);
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+#undef P_FLAG
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+
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+ if (flags)
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+ printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
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+
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+ return printed;
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+}
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+
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+#define SCA_PIPE_FLAGS syscall_arg__scnprintf_pipe_flags
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+
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static size_t syscall_arg__scnprintf_signum(char *bf, size_t size, struct syscall_arg *arg)
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{
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int sig = arg->val;
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@@ -620,6 +643,8 @@ static struct syscall_fmt {
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.arg_scnprintf = { [2] = SCA_OPEN_FLAGS, /* flags */ }, },
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{ .name = "openat", .errmsg = true,
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.arg_scnprintf = { [2] = SCA_OPEN_FLAGS, /* flags */ }, },
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+ { .name = "pipe2", .errmsg = true,
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+ .arg_scnprintf = { [1] = SCA_PIPE_FLAGS, /* flags */ }, },
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{ .name = "poll", .errmsg = true, .timeout = true, },
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{ .name = "ppoll", .errmsg = true, .timeout = true, },
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{ .name = "pread", .errmsg = true, .alias = "pread64", },
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