diff options
| author | Alejandro Colomar <alx@kernel.org> | 2024-07-03 15:45:36 +0200 |
|---|---|---|
| committer | Alejandro Colomar <alx@kernel.org> | 2024-08-21 23:51:06 +0200 |
| commit | 4a8cf6035a1f4fc3ceadb9b022d4e15cd996db84 (patch) | |
| tree | 8d7e9e217670ef7cb68077c233987a5643342773 | |
| parent | 8d2c08518b7a3d1534994d9eb6c8edcc272b1c98 (diff) | |
| download | man-pages-4a8cf6035a1f4fc3ceadb9b022d4e15cd996db84.tar.gz | |
KEYCTL_UPDATE.2const: Tweak after split
Signed-off-by: Alejandro Colomar <alx@kernel.org>
| -rw-r--r-- | man/man2const/KEYCTL_UPDATE.2const | 46 |
1 files changed, 12 insertions, 34 deletions
diff --git a/man/man2const/KEYCTL_UPDATE.2const b/man/man2const/KEYCTL_UPDATE.2const index 540e9ba270..e59522fdaf 100644 --- a/man/man2const/KEYCTL_UPDATE.2const +++ b/man/man2const/KEYCTL_UPDATE.2const @@ -20,45 +20,27 @@ Standard C library .BR "#include <sys/syscall.h>" " /* Definition of " SYS_* " constants */" .B #include <unistd.h> .P -.BI "long syscall(SYS_keyctl, KEYCTL_UPDATE, unsigned long " arg2 , -.BI " unsigned long " arg3 ", unsigned long " arg4 ); +.BI "long syscall(SYS_keyctl, KEYCTL_UPDATE, key_serial_t " key , +.BI " void " payload [. size "], size_t " size ); .fi .SH DESCRIPTION -.TP -.BR KEYCTL_UPDATE " (since Linux 2.6.10)" Update a key's data payload. -.IP -The -.I arg2 -argument (cast to -.IR key_serial_t ) +.P +.I key specifies the ID of the key to be updated. -The -.I arg3 -argument (cast to -.IR "void\ *" ) +.I payload points to the new payload and -.I arg4 -(cast to -.IR size_t ) +.I size contains the new payload size in bytes. -.IP +.P The caller must have .I write permission on the key specified and the key type must support updating. -.IP -A negatively instantiated key (see the description of -.BR KEYCTL_REJECT ) +.P +A negatively instantiated key +(see +.BR KEYCTL_REJECT (2const)) can be positively instantiated with this operation. -.IP -The -.I arg5 -argument is ignored. -.IP -This operation is exposed by -.I libkeyutils -via the function -.BR keyctl_update (3). .SH RETURN VALUE On success, 0 is returned. @@ -68,11 +50,7 @@ On error, \-1 is returned, and is set to indicate the error. .SH ERRORS .TP -.B EOPNOTSUPP -.I operation -was -.B KEYCTL_UPDATE -and the key type does not support updating. +The key type does not support updating. .SH VERSIONS A wrapper is provided in the .I libkeyutils |