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39 lines
922 B
39 lines
922 B
// SPDX-License-Identifier: LGPL-2.1 |
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#ifndef EFD_SEMAPHORE |
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#define EFD_SEMAPHORE 1 |
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#endif |
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#ifndef EFD_NONBLOCK |
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#define EFD_NONBLOCK 00004000 |
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#endif |
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#ifndef EFD_CLOEXEC |
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#define EFD_CLOEXEC 02000000 |
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#endif |
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static size_t syscall_arg__scnprintf_eventfd_flags(char *bf, size_t size, struct syscall_arg *arg) |
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{ |
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bool show_prefix = arg->show_string_prefix; |
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const char *prefix = "EFD_"; |
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int printed = 0, flags = arg->val; |
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if (flags == 0) |
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return scnprintf(bf, size, "NONE"); |
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#define P_FLAG(n) \ |
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if (flags & EFD_##n) { \ |
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printed += scnprintf(bf + printed, size - printed, "%s%s%s", printed ? "|" : "", show_prefix ? prefix : "", #n); \ |
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flags &= ~EFD_##n; \ |
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} |
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P_FLAG(SEMAPHORE); |
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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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if (flags) |
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printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); |
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return printed; |
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} |
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#define SCA_EFD_FLAGS syscall_arg__scnprintf_eventfd_flags
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