@@ -27,11 +27,17 @@
pidfd_open \- obtain a file descriptor that refers to a process
.SH SYNOPSIS
.nf
-.BI "int pidfd_open(pid_t " pid ", unsigned int " flags );
+.BR "#include <sys/syscall.h>" " /* Definition of " SYS_* " constants */"
+.B #include <unistd.h>
+.PP
+.BI "int syscall(SYS_pidfd_open, pid_t " pid ", unsigned int " flags );
.fi
.PP
.IR Note :
-There is no glibc wrapper for this system call; see NOTES.
+glibc provides no wrapper for
+.BR pidfd_open (),
+necessitating the use of
+.BR syscall (2).
.SH DESCRIPTION
The
.BR pidfd_open ()
@@ -89,9 +95,6 @@ first appeared in Linux 5.3.
.BR pidfd_open ()
is Linux specific.
.SH NOTES
-Glibc does not provide a wrapper for this system call; call it using
-.BR syscall (2).
-.PP
The following code sequence can be used to obtain a file descriptor
for the child of
.BR fork (2):