signal.7: Add pidfd_send_signal() to list of APIs for sending signals

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

diff --git a/man7/signal.7 b/man7/signal.7
index aea1f54335fabeee5a52fd1f4ed75e3c187514d6..bc5b9630f3a117e8d89397d5473c3fddb49eeb08 100644 (file)
--- a/man7/signal.7
+++ b/man7/signal.7
@@ -114,6 +114,9 @@ Sends a signal to a specified process,
 to all members of a specified process group,
 or to all processes on the system.
 .TP
+.BR pidfd_send_signal (2)
+Sends a signal to a process identified by a PID file descriptor.
+.TP
 .BR killpg (3)
 Sends a signal to all of the members of a specified process group.
 .TP