diff options
| author | Ian Gudger <igudger@google.com> | 2019-12-05 17:27:15 -0800 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2019-12-05 17:28:52 -0800 |
| commit | 13f0f6069af4d49e236cbee4f0284c190784db37 (patch) | |
| tree | 1d27aaa404c84bf46ed2495ae83bac56c3d6f787 /pkg/abi/linux/fcntl.go | |
| parent | f053c528122c246b4a454de54dacfffe0f7964f0 (diff) | |
Implement F_GETOWN_EX and F_SETOWN_EX.
Some versions of glibc will convert F_GETOWN fcntl(2) calls into F_GETOWN_EX in
some cases.
PiperOrigin-RevId: 284089373
Diffstat (limited to 'pkg/abi/linux/fcntl.go')
| -rw-r--r-- | pkg/abi/linux/fcntl.go | 41 |
1 files changed, 28 insertions, 13 deletions
diff --git a/pkg/abi/linux/fcntl.go b/pkg/abi/linux/fcntl.go index f78315ebf..6663a199c 100644 --- a/pkg/abi/linux/fcntl.go +++ b/pkg/abi/linux/fcntl.go @@ -16,15 +16,17 @@ package linux // Commands from linux/fcntl.h. const ( - F_DUPFD = 0x0 - F_GETFD = 0x1 - F_SETFD = 0x2 - F_GETFL = 0x3 - F_SETFL = 0x4 - F_SETLK = 0x6 - F_SETLKW = 0x7 - F_SETOWN = 0x8 - F_GETOWN = 0x9 + F_DUPFD = 0 + F_GETFD = 1 + F_SETFD = 2 + F_GETFL = 3 + F_SETFL = 4 + F_SETLK = 6 + F_SETLKW = 7 + F_SETOWN = 8 + F_GETOWN = 9 + F_SETOWN_EX = 15 + F_GETOWN_EX = 16 F_DUPFD_CLOEXEC = 1024 + 6 F_SETPIPE_SZ = 1024 + 7 F_GETPIPE_SZ = 1024 + 8 @@ -32,9 +34,9 @@ const ( // Commands for F_SETLK. const ( - F_RDLCK = 0x0 - F_WRLCK = 0x1 - F_UNLCK = 0x2 + F_RDLCK = 0 + F_WRLCK = 1 + F_UNLCK = 2 ) // Flags for fcntl. @@ -42,7 +44,7 @@ const ( FD_CLOEXEC = 00000001 ) -// Lock structure for F_SETLK. +// Flock is the lock structure for F_SETLK. type Flock struct { Type int16 Whence int16 @@ -52,3 +54,16 @@ type Flock struct { Pid int32 _ [4]byte } + +// Flags for F_SETOWN_EX and F_GETOWN_EX. +const ( + F_OWNER_TID = 0 + F_OWNER_PID = 1 + F_OWNER_PGRP = 2 +) + +// FOwnerEx is the owner structure for F_SETOWN_EX and F_GETOWN_EX. +type FOwnerEx struct { + Type int32 + PID int32 +} |