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| author | stevek <stevek@FreeBSD.org> | 2017-05-25 18:55:10 +0000 |
|---|---|---|
| committer | stevek <stevek@FreeBSD.org> | 2017-05-25 18:55:10 +0000 |
| commit | 0b9c0fec18dc1072e9a62905cee72eaca5992c10 (patch) | |
| tree | aeb8ad5c6738b54e5abf0347fd6ed089f1643638 /lib | |
| parent | 61ad262512e302f69f713f8f13a6fff42dd917c7 (diff) | |
| download | FreeBSD-src-0b9c0fec18dc1072e9a62905cee72eaca5992c10.zip FreeBSD-src-0b9c0fec18dc1072e9a62905cee72eaca5992c10.tar.gz | |
MFC r318314
Add information to open(2) man page about the O_VERIFY flag.
PR: 219262
Reviewed by: bjk wblock
Approved by: sjg (mentor)
Obtained from: Juniper Networks, Inc.
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/libc/sys/open.2 | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/libc/sys/open.2 b/lib/libc/sys/open.2 index 1dbc493..c7ac38a 100644 --- a/lib/libc/sys/open.2 +++ b/lib/libc/sys/open.2 @@ -119,6 +119,7 @@ O_NOCTTY ignored O_TTY_INIT ignored O_DIRECTORY error if file is not a directory O_CLOEXEC set FD_CLOEXEC upon open +O_VERIFY verify the contents of the file .Ed .Pp Opening a file with @@ -237,6 +238,15 @@ may be used to set .Dv FD_CLOEXEC flag for the newly returned file descriptor. .Pp +.Dv O_VERIFY +may be used to indicate to the kernel that the contents of the file should +be verified before allowing the open to proceed. +The details of what +.Dq verified +means is implementation specific. +The run-time linker (rtld) uses this flag to ensure shared objects have +been verified before operating on them. +.Pp If successful, .Fn open returns a non-negative integer, termed a file descriptor. |
