1 files changed, 2 insertions, 87 deletions
diff --git a/man/man2/prctl.2 b/man/man2/prctl.2
index 9eab5015ec..ff0fa830f5 100644
--- a/man/man2/prctl.2
+++ b/man/man2/prctl.2
@@ -64,60 +64,8 @@ is called with a first argument describing what to do
 arguments with a significance depending on the first one.
 The first argument can be:
 .\"
-.\" prctl PR_CAP_AMBIENT
 .TP
-.BR PR_CAP_AMBIENT " (since Linux 4.3)"
-.\" commit 58319057b7847667f0c9585b9de0e8932b0fdb08
-Reads or changes the ambient capability set of the calling thread,
-according to the value of
-.IR arg2 ,
-which must be one of the following:
-.RS
-.\"
-.TP
-.B PR_CAP_AMBIENT_RAISE
-The capability specified in
-.I arg3
-is added to the ambient set.
-The specified capability must already be present in
-both the permitted and the inheritable sets of the process.
-This operation is not permitted if the
-.B SECBIT_NO_CAP_AMBIENT_RAISE
-securebit is set.
-.TP
-.B PR_CAP_AMBIENT_LOWER
-The capability specified in
-.I arg3
-is removed from the ambient set.
-.TP
-.B PR_CAP_AMBIENT_IS_SET
-The
-.BR prctl ()
-call returns 1 if the capability in
-.I arg3
-is in the ambient set and 0 if it is not.
-.TP
-.B PR_CAP_AMBIENT_CLEAR_ALL
-All capabilities will be removed from the ambient set.
-This operation requires setting
-.I arg3
-to zero.
-.RE
-.IP
-In all of the above operations,
-.I arg4
-and
-.I arg5
-must be specified as 0.
-.IP
-Higher-level interfaces layered on top of the above operations are
-provided in the
-.BR libcap (3)
-library in the form of
-.BR cap_get_ambient (3),
-.BR cap_set_ambient (3),
-and
-.BR cap_reset_ambient (3).
+.B PR_CAP_AMBIENT
 .\" prctl PR_CAPBSET_READ
 .TP
 .BR PR_CAPBSET_READ " (since Linux 2.6.25)"
@@ -2073,7 +2021,6 @@ of the calling process.
 for information on the protection mask bits.)
 .SH RETURN VALUE
 On success,
-.BR PR_CAP_AMBIENT + PR_CAP_AMBIENT_IS_SET ,
 .BR PR_CAPBSET_READ ,
 .BR PR_GET_DUMPABLE ,
 .BR PR_GET_FP_MODE ,
@@ -2291,24 +2238,6 @@ is not equal to 1.
 .B EINVAL
 .I op
 is
-.B PR_CAP_AMBIENT
-and
-.I arg2
-has an invalid value;
-or
-.I arg2
-is
-.BR PR_CAP_AMBIENT_LOWER ,
-.BR PR_CAP_AMBIENT_RAISE ,
-or
-.B PR_CAP_AMBIENT_IS_SET
-and
-.I arg3
-does not specify a valid capability.
-.TP
-.B EINVAL
-.I op
-is
 .B PR_PAC_RESET_KEYS
 and the arguments are invalid or unsupported.
 See the description of
@@ -2444,21 +2373,6 @@ and the caller does not have the
 .B CAP_SYS_RESOURCE
 capability.
 .TP
-.B EPERM
-.I op
-is
-.B PR_CAP_AMBIENT
-and
-.I arg2
-is
-.BR PR_CAP_AMBIENT_RAISE ,
-but either the capability specified in
-.I arg3
-is not present in the process's permitted and inheritable capability sets,
-or the
-.B PR_CAP_AMBIENT_LOWER
-securebit has been set.
-.TP
 .B ERANGE
 .I op
 was
@@ -2495,4 +2409,5 @@ Linux 2.1.57,
 glibc 2.0.6
 .SH SEE ALSO
 .BR signal (2),
+.BR PR_CAP_AMBIENT (2const),
 .BR core (5)