Merging upstream version 6.7.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 9 insertions, 9 deletions

diff --git a/man2/select_tut.2 b/man2/select_tut.2
index e860de3..cbb6953 100644
--- a/man2/select_tut.2
+++ b/man2/select_tut.2
@@ -9,7 +9,7 @@
 .\"             various other changes
 .\" 2008-01-26, mtk, substantial changes and rewrites
 .\"
-.TH SELECT_TUT 2 2023-05-03 "Linux man-pages 6.05.01"
+.TH SELECT_TUT 2 2023-10-31 "Linux man-pages 6.7"
 .SH NAME
 select, pselect \- synchronous I/O multiplexing
 .SH LIBRARY
@@ -27,7 +27,7 @@ system calls are used to efficiently monitor multiple file descriptors,
 to see if any of them is, or becomes, "ready";
 that is, to see whether I/O becomes possible,
 or an "exceptional condition" has occurred on any of the file descriptors.
-.PP
+.P
 This page provides background and tutorial information
 on the use of these system calls.
 For details of the arguments and semantics of
@@ -54,7 +54,7 @@ This behavior is essential so that signals can be processed
 in the main loop of the program, otherwise
 .BR select ()
 would block indefinitely.
-.PP
+.P
 Now, somewhere
 in the main loop will be a conditional to check the global flag.
 So we must ask:
@@ -82,7 +82,7 @@ call would enable
 .B SIGCHLD
 by using an empty signal mask.
 Our program would look like:
-.PP
+.P
 .EX
 static volatile sig_atomic_t got_SIGCHLD = 0;
 \&
@@ -310,7 +310,7 @@ can be used to solve
 many problems in a portable and efficient way that naive programmers try
 to solve in a more complicated manner using
 threads, forking, IPCs, signals, memory sharing, and so on.
-.PP
+.P
 The
 .BR poll (2)
 system call has the same functionality as
@@ -319,7 +319,7 @@ and is somewhat more efficient when monitoring sparse
 file descriptor sets.
 It is nowadays widely available, but historically was less portable than
 .BR select ().
-.PP
+.P
 The Linux-specific
 .BR epoll (7)
 API provides an interface that is more efficient than
@@ -332,7 +332,7 @@ Here is an example that better demonstrates the true utility of
 .BR select ().
 The listing below is a TCP forwarding program that forwards
 from one TCP port to another.
-.PP
+.P
 .\" SRC BEGIN (select.c)
 .EX
 #include <arpa/inet.h>
@@ -604,7 +604,7 @@ main(int argc, char *argv[])
 }
 .EE
 .\" SRC END
-.PP
+.P
 The above program properly forwards most kinds of TCP connections
 including OOB signal data transmitted by \fBtelnet\fP servers.
 It handles the tricky problem of having data flow in both directions
@@ -617,7 +617,7 @@ Another idea is to set nonblocking I/O using
 .BR fcntl (2).
 This also has its problems because you end up using
 inefficient timeouts.
-.PP
+.P
 The program does not handle more than one simultaneous connection at a
 time, although it could easily be extended to do this with a linked list
 of buffers\[em]one for each connection.