Add information to open(2) man page about the O_VERIFY flag.
Reviewed by: bjk wblock Approved by: sjg (mentor) Obtained from: Juniper Networks, Inc.
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@ -141,6 +141,7 @@ O_NOCTTY ignored
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O_TTY_INIT ignored
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O_DIRECTORY error if file is not a directory
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O_CLOEXEC set FD_CLOEXEC upon open
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O_VERIFY verify the contents of the file
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.Ed
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.Pp
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Opening a file with
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@ -259,6 +260,15 @@ may be used to set
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.Dv FD_CLOEXEC
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flag for the newly returned file descriptor.
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.Pp
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.Dv O_VERIFY
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may be used to indicate to the kernel that the contents of the file should
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be verified before allowing the open to proceed.
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The details of what
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.Dq verified
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means is implementation specific.
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The run-time linker (rtld) uses this flag to ensure shared objects have
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been verified before operating on them.
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.Pp
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If successful,
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.Fn open
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returns a non-negative integer, termed a file descriptor.
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