cpython: ad2cd599f1cf (original) (raw)

Mercurial > cpython

changeset 87829:ad2cd599f1cf

Issue #19343: Expose FreeBSD-specific APIs in resource module. Original patch by Koobs. [#19343]

Christian Heimes christian@cheimes.de
date	Sun, 08 Dec 2013 14:35:55 +0100
parents	01676a4c16ff
children	4221d5d9ac84
files	Doc/library/resource.rst Lib/test/test_resource.py Misc/NEWS Modules/resource.c
diffstat	4 files changed, 51 insertions(+), 0 deletions(-)[+] [-] Doc/library/resource.rst 28 Lib/test/test_resource.py 6 Misc/NEWS 3 Modules/resource.c 14

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--- a/Doc/library/resource.rst +++ b/Doc/library/resource.rst @@ -217,6 +217,34 @@ platform. .. versionadded:: 3.4 +.. data:: RLIMIT_SBSIZE +

The maximum size (in bytes) of socket buffer usage for this user.
This limits the amount of network memory, and hence the amount of mbufs,
that this user may hold at any time. +
Availability: FreeBSD 9 or later. +
.. versionadded:: 3.4 +

+.. data:: RLIMIT_SWAP +

The maximum size (in bytes) of the swap space that may be reserved or
used by all of this user id's processes.
This limit is enforced only if bit 1 of the vm.overcommit sysctl is set.
Please see :manpage:tuning(7) for a complete description of this sysctl. +
Availability: FreeBSD 9 or later. +
.. versionadded:: 3.4 +

+.. data:: RLIMIT_NPTS +

The maximum number of pseudo-terminals created by this user id. +
Availability: FreeBSD 9 or later. +
.. versionadded:: 3.4

Resource Usage --------------

--- a/Lib/test/test_resource.py +++ b/Lib/test/test_resource.py @@ -138,6 +138,12 @@ class ResourceTest(unittest.TestCase): with contextlib.suppress(AttributeError): self.assertIsInstance(getattr(resource, 'RLIMIT_' + attr), int)

@support.requires_freebsd_version(9)
def test_freebsd_contants(self):

   for attr in ['SWAP', 'SBSIZE', 'NPTS']:[](#l2.9)

       with contextlib.suppress(AttributeError):[](#l2.10)

           self.assertIsInstance(getattr(resource, 'RLIMIT_' + attr), int)[](#l2.11)

+ @unittest.skipUnless(hasattr(resource, 'prlimit'), 'no prlimit') @support.requires_linux_version(2, 6, 36) def test_prlimit(self):

--- a/Misc/NEWS +++ b/Misc/NEWS @@ -18,6 +18,9 @@ Core and Builtins Library ------- +- Issue #19343: Expose FreeBSD-specific APIs in resource module. Original

patch by Koobs. +

Issue #19506: Use a memoryview to avoid a data copy when piping data to stdin within subprocess.Popen.communicate. 5-10% less cpu usage.

--- a/Modules/resource.c +++ b/Modules/resource.c @@ -424,6 +424,20 @@ PyInit_resource(void) PyModule_AddIntMacro(m, RUSAGE_THREAD); #endif +/* FreeBSD specific */ + +#ifdef RLIMIT_SWAP

PyModule_AddIntMacro(m, RLIMIT_SWAP);

+#endif + +#ifdef RLIMIT_SBSIZE

PyModule_AddIntMacro(m, RLIMIT_SBSIZE);

+#endif + +#ifdef RLIMIT_NPTS

PyModule_AddIntMacro(m, RLIMIT_NPTS);

+#endif + #if defined(HAVE_LONG_LONG) if (sizeof(RLIM_INFINITY) > sizeof(long)) { v = PyLong_FromLongLong((PY_LONG_LONG) RLIM_INFINITY);