@@ -27,14 +27,21 @@
pidfd_send_signal \- send a signal to a process specified by a file descriptor
.SH SYNOPSIS
.nf
-.B "#include <signal.h>"
+.BR "#include <linux/signal.h>" " /* Definition of " SIG* " constants */"
+.BR "#include <signal.h>" " /* Definition of " SI_* " constants */"
+.BR "#include <sys/syscall.h>" " /* Definition of " SYS_* " constants */"
+.B #include <unistd.h>
.PP
-.BI "int pidfd_send_signal(int " pidfd ", int " sig ", siginfo_t *" info ,
+.BI "int syscall(SYS_pidfd_send_signal, int " pidfd ", int " sig \
+", siginfo_t *" info ,
.BI " 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_send_signal (),
+necessitating the use of
+.BR syscall (2).
.SH DESCRIPTION
The
.BR pidfd_send_signal ()
@@ -136,9 +143,6 @@ first appeared in Linux 5.1.
.BR pidfd_send_signal ()
is Linux specific.
.SH NOTES
-Glibc does not provide a wrapper for this system call; call it using
-.BR syscall (2).
-.\"
.SS PID file descriptors
The
.I pidfd