[2.7] bpo-37329: valgrind: ignore _PyWarnings_Init false alarms (GH-14202)

vstinner · web-flow · commit 065aff3c518a · 2019-06-28T18:13:33.000+02:00
_PyWarnings_Init() only allocates memory once at startup but it is
not released at exit. Ignore this issue to be able to catch other
bugs more easily.
diff --git a/Misc/NEWS.d/next/Core and Builtins/2019-06-18-15-08-32.bpo-37329.7XVDRv.rst b/Misc/NEWS.d/next/Core and Builtins/2019-06-18-15-08-32.bpo-37329.7XVDRv.rst
@@ -0,0 +1,3 @@
+valgrind: suppress a false alarm in memory leak checks. _PyWarnings_Init()
+only allocates memory once at startup but it is not released at exit. Ignore
+this issue to be able to catch other bugs more easily.
diff --git a/Misc/valgrind-python.supp b/Misc/valgrind-python.supp
@@ -103,6 +103,14 @@
    fun:COMMENT_THIS_LINE_TO_DISABLE_LEAK_WARNING
 }
 
+{
+   bpo-37329: _PyWarnings_Init allocates memory at startup, but doesn't release it at exit
+   Memcheck:Leak
+   fun:malloc
+   ...
+   fun:_PyWarnings_Init
+}
+
 #
 # Non-python specific leaks
 #

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+valgrind: suppress a false alarm in memory leak checks. _PyWarnings_Init()`
	`2`	`+only allocates memory once at startup but it is not released at exit. Ignore`
	`3`	`+this issue to be able to catch other bugs more easily.`
Original file line number	Diff line number	Diff line change
`@@ -103,6 +103,14 @@`
`103`	`103`	`fun:COMMENT_THIS_LINE_TO_DISABLE_LEAK_WARNING`
`104`	`104`	`}`
`105`	`105`
	`106`	`+{`
	`107`	`+ bpo-37329: _PyWarnings_Init allocates memory at startup, but doesn't release it at exit`
	`108`	`+ Memcheck:Leak`
	`109`	`+ fun:malloc`
	`110`	`+ ...`
	`111`	`+ fun:_PyWarnings_Init`
	`112`	`+}`
	`113`	`+`
`106`	`114`	`#`
`107`	`115`	`# Non-python specific leaks`
`108`	`116`	`#`