@@ -30,14 +30,19 @@
kcmp \- compare two processes to determine if they share a kernel resource
.SH SYNOPSIS
.nf
-.B #include <linux/kcmp.h>
+.BR "#include <linux/kcmp.h>" " /* Definition of " KCMP_* " constants */"
+.BR "#include <sys/syscall.h>" " /* Definition of " SYS_* " constants */"
+.B #include <unistd.h>
.PP
-.BI "int kcmp(pid_t " pid1 ", pid_t " pid2 ", int " type ,
-.BI " unsigned long " idx1 ", unsigned long " idx2 );
+.BI "int syscall(SYS_kcmp, pid_t " pid1 ", pid_t " pid2 ", int " type ,
+.BI " unsigned long " idx1 ", unsigned long " idx2 );
.fi
.PP
.IR Note :
-There is no glibc wrapper for this system call; see NOTES.
+glibc provides no wrapper for
+.BR kcmp (),
+necessitating the use of
+.BR syscall (2).
.SH DESCRIPTION
The
.BR kcmp ()
@@ -303,9 +308,6 @@ system call first appeared in Linux 3.5.
.BR kcmp ()
is Linux-specific and should not be used in programs intended to be portable.
.SH NOTES
-Glibc does not provide a wrapper for this system call; call it using
-.BR syscall (2).
-.PP
Before Linux 5.12,
this system call is available only if the kernel is configured with
.BR CONFIG_CHECKPOINT_RESTORE ,
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com> --- man2/kcmp.2 | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-)