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Date:      Mon, 29 Jun 2026 15:52:16 +0000
From:      Dag-Erling=?utf-8?Q? Sm=C3=B8rg?=rav <des@FreeBSD.org>
To:        src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org
Subject:   git: c83e9ee0ef3e - main - libfetch: Document fetchTimeout
Message-ID:  <6a4294b0.39867.6a6baafc@gitrepo.freebsd.org>
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The branch main has been updated by des:

URL: https://cgit.FreeBSD.org/src/commit/?id=c83e9ee0ef3e6af982e6fd35afe420d460fa84b3

commit c83e9ee0ef3e6af982e6fd35afe420d460fa84b3
Author:     Dag-Erling Smørgrav <des@FreeBSD.org>
AuthorDate: 2026-06-27 15:37:23 +0000
Commit:     Dag-Erling Smørgrav <des@FreeBSD.org>
CommitDate: 2026-06-29 13:49:19 +0000

    libfetch: Document fetchTimeout
    
    Document the global fetchTimeout variable, now that it works reliably.
    
    MFC after:      1 week
---
 lib/libfetch/fetch.3 | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/lib/libfetch/fetch.3 b/lib/libfetch/fetch.3
index 20a22a263b5b..f76df3b027bd 100644
--- a/lib/libfetch/fetch.3
+++ b/lib/libfetch/fetch.3
@@ -24,7 +24,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd January 22, 2026
+.Dd June 27, 2026
 .Dt FETCH 3
 .Os
 .Sh NAME
@@ -56,7 +56,8 @@
 .Nm fetchGetFTP ,
 .Nm fetchPutFTP ,
 .Nm fetchStatFTP ,
-.Nm fetchListFTP
+.Nm fetchListFTP ,
+.Nm fetchTimeout
 .Nd file transfer functions
 .Sh LIBRARY
 .Lb libfetch
@@ -64,6 +65,7 @@
 .In sys/param.h
 .In stdio.h
 .In fetch.h
+.Vt extern int fetchTimeout;
 .Ft struct url *
 .Fn fetchMakeURL "const char *scheme" "const char *host" "int port" "const char *doc" "const char *user" "const char *pwd"
 .Ft struct url *
@@ -289,6 +291,18 @@ or
 functions is read-only, and that a stream returned by one of the
 .Fn fetchPutXXX
 functions is write-only.
+.Pp
+The
+.Va fetchTimeout
+global variable can be set to the amount of time in seconds to wait
+for each network operation, including each connection attempt (keeping
+in mind that one name may resolve to multiple addresses which will
+each be tried sequentially), each read, and each write.
+Thus,
+.Va fetchTimeout
+can safely be set to a relatively low value without fear of
+prematurely terminating a long transfer; it will only kick in if the
+transfer is stalled.
 .Sh FILE SCHEME
 .Fn fetchXGetFile ,
 .Fn fetchGetFile
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