Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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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