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authorMichael Kerrisk <mtk.manpages@gmail.com>2020-09-28 09:42:38 +0200
committerMichael Kerrisk <mtk.manpages@gmail.com>2021-06-10 10:40:17 +1200
commit2bbe9bd9ae80fee9d34cfc9c7706d522f3be46ff (patch)
treea92b32f43fc07d5a735322d704373e12ee64e5fe /man2
parentb723c6d8dd061e88723bca33e450012c7e8e726c (diff)
downloadman-pages-2bbe9bd9ae80fee9d34cfc9c7706d522f3be46ff.tar.gz
seccomp.2: Rework SECCOMP_GET_NOTIF_SIZES somewhat
The existing text says the structures (plural!) contain a 'struct seccomp_data'. But this is only true for the received notification structure (seccomp_notif). So, reword the sentence to be more general, noting simply that the structures may evolve over time. Add some comments to the structure definition. Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
Diffstat (limited to 'man2')
-rw-r--r--man2/seccomp.213
1 files changed, 5 insertions, 8 deletions
diff --git a/man2/seccomp.2 b/man2/seccomp.2
index 5aa3d7c6f0..21b16fde36 100644
--- a/man2/seccomp.2
+++ b/man2/seccomp.2
@@ -267,9 +267,8 @@ must be a pointer to an unsigned 32-bit filter return action.
.BR SECCOMP_GET_NOTIF_SIZES " (since Linux 5.0)"
.\" commit 6a21cc50f0c7f87dae5259f6cfefe024412313f6
Get the sizes of the seccomp user-space notification structures.
-Since the structures include a
-.I "struct seccomp_data"
-which may grow in size, this command can be used to determine how
+Since these structures may evolve and grow over time,
+this command can be used to determine how
much memory to allocate for sending and receiving notifications.
.IP
The value of
@@ -280,15 +279,13 @@ must be a pointer to a
.IR "struct seccomp_notif_sizes" ,
which has the following form:
.IP
-.in +4n
.EX
struct seccomp_notif_sizes
- __u16 seccomp_notif;
- __u16 seccomp_notif_resp;
- __u16 seccomp_data;
+ __u16 seccomp_notif; /* Size of notification structure */
+ __u16 seccomp_notif_resp; /* Size of response structure */
+ __u16 seccomp_data; /* Size of \(aqstruct seccomp_data\(aq */
};
.EE
-.in
.IP
See
.BR seccomp_unotify (2)