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authorLasse Collin <lasse.collin@tukaani.org>2022-11-19 19:06:13 +0200
committerLasse Collin <lasse.collin@tukaani.org>2022-11-19 19:06:13 +0200
commitd327743bb547a53364e5951a16e5f1663fe4b9ff (patch)
tree161f141e97f7946e05541ad92f141c3deeb2dc28 /src/xz/xz.1
parentCMake: Adds test_memlimit to CMake tests (diff)
downloadxz-d327743bb547a53364e5951a16e5f1663fe4b9ff.tar.xz
xz: Add support --threads=+N so that -T+1 gives threaded mode.
Diffstat (limited to 'src/xz/xz.1')
-rw-r--r--src/xz/xz.121
1 files changed, 20 insertions, 1 deletions
diff --git a/src/xz/xz.1 b/src/xz/xz.1
index 62bab507..1ff110e8 100644
--- a/src/xz/xz.1
+++ b/src/xz/xz.1
@@ -5,7 +5,7 @@
.\" This file has been put into the public domain.
.\" You can do whatever you want with this file.
.\"
-.TH XZ 1 "2022-11-09" "Tukaani" "XZ Utils"
+.TH XZ 1 "2022-11-19" "Tukaani" "XZ Utils"
.
.SH NAME
xz, unxz, xzcat, lzma, unlzma, lzcat \- Compress or decompress .xz and .lzma files
@@ -1214,6 +1214,25 @@ even if the system supports only one hardware thread.
5.2.x
used single-threaded mode in this situation.)
.IP ""
+To use multi-threaded mode with only one thread, set
+.I threads
+to
+.BR +1 .
+The
+.B +
+prefix has no effect with values other than
+.BR 1 .
+A memory usage limit can still make
+.B xz
+switch to single-threaded mode unless
+.B \-\-no\-adjust
+is used.
+Support for the
+.B +
+prefix was added in
+.B xz
+5.4.0.
+.IP ""
If an automatic number of threads has been requested and
no memory usage limit has been specified,
then a system-specific default soft limit will be used to possibly