5c7dd7acc3
repo: https://github.com/T-head-Semi/linux commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
40 lines
922 B
C
40 lines
922 B
C
// 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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