Signed-off-by: Leonid Bobrov <mazoc...@disroot.org>
---
Makefile.am | 1 +
configure.ac | 12 ++++++++++++
tests/test-helpers.c | 31 ++++++++++++++++++++++++++++++-
3 files changed, 43 insertions(+), 1 deletion(-)
diff --git a/Makefile.am b/Makefile.am
index 489f581..435957f 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -215,6 +215,7 @@ noinst_LTLIBRARIES += \
libtest-helpers.la
libtest_helpers_la_SOURCES = tests/test-helpers.c
+libtest_helpers_la_LIBADD = $(KVM_LIBS)
libtest_runner_la_SOURCES = \
tests/test-runner.c \
diff --git a/configure.ac b/configure.ac
index f53408a..9ca2331 100644
--- a/configure.ac
+++ b/configure.ac
@@ -65,6 +65,18 @@ AC_SUBST(GCC_CFLAGS)
AC_CHECK_HEADERS([sys/prctl.h])
AC_CHECK_FUNCS([accept4 mkostemp posix_fallocate prctl])
+# Replacement for /proc on BSD
+AC_CHECK_HEADERS([kvm.h])
+SAVE_LIBS="$LIBS"
+LIBS=
+AC_CHECK_LIB([kvm], [kvm_getfiles])
+KVM_LIBS="$LIBS"
+LIBS="$SAVE_LIBS"
+AC_SUBST(KVM_LIBS)
+if test "x$ac_cv_header_kvm_h" != "x" && test "x$ac_cv_lib_kvm_kvm_getfiles"
!= "x"; then
+ AC_DEFINE(USE_LIBKVM, 1, [use libkvm on BSD])
+fi
+
# *BSD don't have libdl, but they have its functions
SAVE_LIBS="$LIBS"
LIBS=
diff --git a/tests/test-helpers.c b/tests/test-helpers.c
index b2189d8..4b90a10 100644
--- a/tests/test-helpers.c
+++ b/tests/test-helpers.c
@@ -25,9 +25,18 @@
#include "config.h"
-#include <assert.h>
+#ifdef USE_LIBKVM
+#include <sys/types.h>
+#include <sys/sysctl.h>
+#include <fcntl.h>
+#include <kvm.h>
+#include <limits.h>
+#else
#include <errno.h>
#include <dirent.h>
+#endif
+
+#include <assert.h>
#include <stdio.h>
#include <unistd.h>
#include <time.h>
@@ -43,6 +52,25 @@
int
count_open_fds(void)
{
+#ifdef USE_LIBKVM
+ /* Use BSD-specific kernel memory interface */
+
+ struct kinfo_file *kif;
+ kvm_t *kd;
+ int count;
+ char errstr[_POSIX2_LINE_MAX];
+
+ kd = kvm_openfiles(NULL, NULL, NULL, O_RDONLY|KVM_NO_FILES, errstr);
+ assert(kd != NULL);
+ kif = kvm_getfiles(kd, KERN_FILE_BYPID, getpid(), sizeof(struct
kinfo_file), &count);
+ assert(kif != NULL);
+
+ /* KVM library frees memory on itself */
+ kvm_close(kd);
+ return count;
+#else
+ /* Use /proc filesystem. */
+
DIR *dir;
struct dirent *ent;
int count = 0;
@@ -62,6 +90,7 @@ count_open_fds(void)
closedir(dir);
return count;
+#endif
}
void
--
2.20.1
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