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Fix deprecated usage of mallinfo

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glibc deprecates `mallinfo` in the latest version of 2.33. This patch replaces the usage of `mallinfo` with the new `mallinfo2` when it's available.

Reviewed By: lattner

Differential Revision: https://reviews.llvm.org/D96359
This commit is contained in:
Ta-Wei Tu 2021-02-10 13:52:50 +08:00
parent 11a8dba5aa
commit ca74e6236d
3 changed files with 10 additions and 2 deletions
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1
cmake/config-ix.cmake
View File

@ -232,6 +232,7 @@ check_symbol_exists(lseek64 "sys/types.h;unistd.h" HAVE_LSEEK64)
set(CMAKE_REQUIRED_DEFINITIONS "")
check_symbol_exists(mallctl malloc_np.h HAVE_MALLCTL)
check_symbol_exists(mallinfo malloc.h HAVE_MALLINFO)
check_symbol_exists(mallinfo2 malloc.h HAVE_MALLINFO2)
check_symbol_exists(malloc_zone_statistics malloc/malloc.h
HAVE_MALLOC_ZONE_STATISTICS)
check_symbol_exists(getrlimit "sys/types.h;sys/time.h;sys/resource.h" HAVE_GETRLIMIT)

3
include/llvm/Config/config.h.cmake
View File

@ -136,6 +136,9 @@
/* Define to 1 if you have the `mallinfo' function. */
#cmakedefine HAVE_MALLINFO ${HAVE_MALLINFO}
/* Define to 1 if you have the `mallinfo2' function. */
#cmakedefine HAVE_MALLINFO2 ${HAVE_MALLINFO2}
/* Define to 1 if you have the <malloc/malloc.h> header file. */
#cmakedefine HAVE_MALLOC_MALLOC_H ${HAVE_MALLOC_MALLOC_H}

8
lib/Support/Unix/Process.inc
View File

@ -31,7 +31,7 @@
#if HAVE_SIGNAL_H
#include <signal.h>
#endif
#if defined(HAVE_MALLINFO)
#if defined(HAVE_MALLINFO) || defined(HAVE_MALLINFO2)
#include <malloc.h>
#endif
#if defined(HAVE_MALLCTL)
@ -89,7 +89,11 @@ Expected<unsigned> Process::getPageSize() {
}
size_t Process::GetMallocUsage() {
#if defined(HAVE_MALLINFO)
#if defined(HAVE_MALLINFO2)
struct mallinfo2 mi;
mi = ::mallinfo2();
return mi.uordblks;
#elif defined(HAVE_MALLINFO)
struct mallinfo mi;
mi = ::mallinfo();
return mi.uordblks;