[Python-checkins] cpython: Issue #19324: Expose Linux-specific constants in resource module
christian.heimes
python-checkins at python.org
Tue Oct 22 11:09:39 CEST 2013
http://hg.python.org/cpython/rev/aec95b369e60
changeset: 86565:aec95b369e60
user: Christian Heimes <christian at cheimes.de>
date: Tue Oct 22 11:09:27 2013 +0200
summary:
Issue #19324: Expose Linux-specific constants in resource module
files:
Doc/library/resource.rst | 46 +++++++++++++++++++++++++++
Lib/test/test_resource.py | 10 +++++
Misc/NEWS | 2 +
Modules/resource.c | 22 ++++++++++++
4 files changed, 80 insertions(+), 0 deletions(-)
diff --git a/Doc/library/resource.rst b/Doc/library/resource.rst
--- a/Doc/library/resource.rst
+++ b/Doc/library/resource.rst
@@ -151,6 +151,52 @@
The maximum area (in bytes) of address space which may be taken by the process.
+.. data:: RLIMIT_MSGQUEUE
+
+ The number of bytes that can be allocated for POSIX message queues.
+
+ Availability: Linux 2.6.8 or later.
+
+ .. versionadded:: 3.4
+
+
+.. data:: RLIMIT_NICE
+
+ The ceiling for the process's nice level (calculated as 20 - rlim_cur).
+
+ Availability: Linux 2.6.12 or later.
+
+ .. versionadded:: 3.4
+
+
+.. data:: RLIMIT_RTPRIO
+
+ The ceiling of the real-time priority.
+
+ Availability: Linux 2.6.12 or later.
+
+ .. versionadded:: 3.4
+
+
+.. data:: RLIMIT_RTTIME
+
+ The time limit (in microseconds) on CPU time that a process can spend
+ under real-time scheduling without making a blocking syscall.
+
+ Availability: Linux 2.6.25 or later.
+
+ .. versionadded:: 3.4
+
+
+.. data:: RLIMIT_SIGPENDING
+
+ The number of signals which the process may queue.
+
+ Availability: Linux 2.6.8 or later.
+
+ .. versionadded:: 3.4
+
+
Resource Usage
--------------
diff --git a/Lib/test/test_resource.py b/Lib/test/test_resource.py
--- a/Lib/test/test_resource.py
+++ b/Lib/test/test_resource.py
@@ -1,3 +1,4 @@
+import sys
import unittest
from test import support
import time
@@ -129,6 +130,15 @@
self.assertIsInstance(pagesize, int)
self.assertGreaterEqual(pagesize, 0)
+ @unittest.skipUnless(sys.platform == 'linux', 'test requires Linux')
+ def test_linux_constants(self):
+ self.assertIsInstance(resource.RLIMIT_MSGQUEUE, int)
+ self.assertIsInstance(resource.RLIMIT_NICE, int)
+ self.assertIsInstance(resource.RLIMIT_RTPRIO, int)
+ self.assertIsInstance(resource.RLIMIT_RTTIME, int)
+ self.assertIsInstance(resource.RLIMIT_SIGPENDING, int)
+
+
def test_main(verbose=None):
support.run_unittest(ResourceTest)
diff --git a/Misc/NEWS b/Misc/NEWS
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -19,6 +19,8 @@
Library
-------
+- Issue #19324: Expose Linux-specific constants in resource module.
+
- Issue #17400: ipaddress should make it easy to identify rfc6598 addresses.
- Load SSL's error strings in hashlib.
diff --git a/Modules/resource.c b/Modules/resource.c
--- a/Modules/resource.c
+++ b/Modules/resource.c
@@ -326,6 +326,28 @@
PyModule_AddIntMacro(m, RLIMIT_SBSIZE);
#endif
+/* Linux specific */
+#ifdef RLIMIT_MSGQUEUE
+ PyModule_AddIntMacro(m, RLIMIT_MSGQUEUE);
+#endif
+
+#ifdef RLIMIT_NICE
+ PyModule_AddIntMacro(m, RLIMIT_NICE);
+#endif
+
+#ifdef RLIMIT_RTPRIO
+ PyModule_AddIntMacro(m, RLIMIT_RTPRIO);
+#endif
+
+#ifdef RLIMIT_RTTIME
+ PyModule_AddIntMacro(m, RLIMIT_RTTIME);
+#endif
+
+#ifdef RLIMIT_SIGPENDING
+ PyModule_AddIntMacro(m, RLIMIT_SIGPENDING);
+#endif
+
+/* target */
#ifdef RUSAGE_SELF
PyModule_AddIntMacro(m, RUSAGE_SELF);
#endif
--
Repository URL: http://hg.python.org/cpython
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