From d7f715c0299a0f71c1b07fdda456264d8ad99928 Mon Sep 17 00:00:00 2001 From: David Carlier Date: Sun, 6 Feb 2022 15:49:24 +0000 Subject: [PATCH 1/3] shutil Lib enabling sendfile on solaris systems as it supports copy between file descriptors. --- Lib/shutil.py | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/Lib/shutil.py b/Lib/shutil.py index 949e024853c1d2..9704df918bce50 100644 --- a/Lib/shutil.py +++ b/Lib/shutil.py @@ -42,7 +42,8 @@ COPY_BUFSIZE = 1024 * 1024 if _WINDOWS else 64 * 1024 # This should never be removed, see rationale in: # https://bugs.python.org/issue43743#msg393429 -_USE_CP_SENDFILE = hasattr(os, "sendfile") and sys.platform.startswith("linux") +# senfile on solaris systems is capable of copying on regular file descriptors. +_USE_CP_SENDFILE = hasattr(os, "sendfile") and (sys.platform.startswith("linux") or sys.platform.startswith("sunos")) _HAS_FCOPYFILE = posix and hasattr(posix, "_fcopyfile") # macOS # CMD defaults in Windows 10 @@ -106,7 +107,7 @@ def _fastcopy_fcopyfile(fsrc, fdst, flags): def _fastcopy_sendfile(fsrc, fdst): """Copy data from one regular mmap-like fd to another by using high-performance sendfile(2) syscall. - This should work on Linux >= 2.6.33 only. + This should work on Linux >= 2.6.33 and Solaris systems. """ # Note: copyfileobj() is left alone in order to not introduce any # unexpected breakage. Possible risks by using zero-copy calls From d651b5c679556aa257ced96e7a28de4a6b2ae169 Mon Sep 17 00:00:00 2001 From: "blurb-it[bot]" <43283697+blurb-it[bot]@users.noreply.github.com> Date: Sun, 6 Feb 2022 15:53:32 +0000 Subject: [PATCH 2/3] =?UTF-8?q?=F0=9F=93=9C=F0=9F=A4=96=20Added=20by=20blu?= =?UTF-8?q?rb=5Fit.?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../NEWS.d/next/Library/2022-02-06-15-53-30.bpo-46658.oRp0C-.rst | 1 + 1 file changed, 1 insertion(+) create mode 100644 Misc/NEWS.d/next/Library/2022-02-06-15-53-30.bpo-46658.oRp0C-.rst diff --git a/Misc/NEWS.d/next/Library/2022-02-06-15-53-30.bpo-46658.oRp0C-.rst b/Misc/NEWS.d/next/Library/2022-02-06-15-53-30.bpo-46658.oRp0C-.rst new file mode 100644 index 00000000000000..7076f849dc6ec8 --- /dev/null +++ b/Misc/NEWS.d/next/Library/2022-02-06-15-53-30.bpo-46658.oRp0C-.rst @@ -0,0 +1 @@ +Enabling ``os.sendfile`` on shlib on Solaris based systems. \ No newline at end of file From db0b714a8ed3822f70a8a6be0129d3c9d445430f Mon Sep 17 00:00:00 2001 From: David Carlier Date: Sun, 13 Feb 2022 06:46:50 +0000 Subject: [PATCH 3/3] changes from feedback --- Lib/shutil.py | 2 +- .../next/Library/2022-02-06-15-53-30.bpo-46658.oRp0C-.rst | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/Lib/shutil.py b/Lib/shutil.py index 9704df918bce50..66be758757b0ea 100644 --- a/Lib/shutil.py +++ b/Lib/shutil.py @@ -43,7 +43,7 @@ # This should never be removed, see rationale in: # https://bugs.python.org/issue43743#msg393429 # senfile on solaris systems is capable of copying on regular file descriptors. -_USE_CP_SENDFILE = hasattr(os, "sendfile") and (sys.platform.startswith("linux") or sys.platform.startswith("sunos")) +_USE_CP_SENDFILE = hasattr(os, "sendfile") and sys.platform.startswith(("linux", "sunos")) _HAS_FCOPYFILE = posix and hasattr(posix, "_fcopyfile") # macOS # CMD defaults in Windows 10 diff --git a/Misc/NEWS.d/next/Library/2022-02-06-15-53-30.bpo-46658.oRp0C-.rst b/Misc/NEWS.d/next/Library/2022-02-06-15-53-30.bpo-46658.oRp0C-.rst index 7076f849dc6ec8..c29457c80859ea 100644 --- a/Misc/NEWS.d/next/Library/2022-02-06-15-53-30.bpo-46658.oRp0C-.rst +++ b/Misc/NEWS.d/next/Library/2022-02-06-15-53-30.bpo-46658.oRp0C-.rst @@ -1 +1 @@ -Enabling ``os.sendfile`` on shlib on Solaris based systems. \ No newline at end of file +Enable use of :func:`os.sendfile` in :mod:`shlib` on Solaris based systems. pFad - Phonifier reborn

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