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Index: devel/qt5-core/files/patch-src_corelib_io_qlockfile__unix.cpp
===================================================================
--- /dev/null
+++ devel/qt5-core/files/patch-src_corelib_io_qlockfile__unix.cpp
@@ -0,0 +1,62 @@
+--- src/corelib/io/qlockfile_unix.cpp.orig 2018-06-06 09:26:40 UTC
++++ src/corelib/io/qlockfile_unix.cpp
+@@ -75,6 +75,8 @@
+ # include <sys/sysctl.h>
+ # if !defined(Q_OS_NETBSD)
+ # include <sys/user.h>
++# include <kvm.h>
++# include <libprocstat.h>
+ # endif
+ #endif
+
+@@ -246,23 +248,43 @@ QString QLockFilePrivate::processNameByPid(qint64 pid)
+ struct kinfo_proc kp;
+ int mib[6] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, (int)pid, sizeof(struct kinfo_proc), 1 };
+ # else
++ kvm_t * kvm = kvm_open(nullptr, "/dev/null", nullptr, O_RDONLY, "");
++ int cnt;
++ struct kinfo_proc * kvm_kp = kvm_getprocs(kvm, KERN_PROC_PID, getpid(), &cnt);
++ struct procstat * ps = procstat_open_sysctl();
++ char ** argv = procstat_getargv(ps, kvm_kp, 0);
++ QString nameFromProcstat;
++ if (argv != nullptr && argv[0] != nullptr)
++ nameFromProcstat = QString::fromLocal8Bit(argv[0]);
++ procstat_close(ps);
++ kvm_close(kvm);
++
+ struct kinfo_proc kp;
+ int mib[4] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, (int)pid };
+ # endif
+- size_t len = sizeof(kp);
+- u_int mib_len = sizeof(mib)/sizeof(u_int);
++ if (nameFromProcstat.isEmpty())
++ {
++ size_t len = sizeof(kp);
++ u_int mib_len = sizeof(mib)/sizeof(u_int);
+
+- if (sysctl(mib, mib_len, &kp, &len, NULL, 0) < 0)
+- return QString();
+-
++ if (sysctl(mib, mib_len, &kp, &len, NULL, 0) < 0)
++ return QString();
++ }
+ # if defined(Q_OS_OPENBSD) || defined(Q_OS_NETBSD)
+ if (kp.p_pid != pid)
+ return QString();
+ QString name = QFile::decodeName(kp.p_comm);
+ # else
+- if (kp.ki_pid != pid)
++ QString name;
++ if (!nameFromProcstat.isEmpty())
++ {
++ QFileInfo fi(nameFromProcstat);
++ name = fi.fileName();
++ }
++ else if (kp.ki_pid != pid)
+ return QString();
+- QString name = QFile::decodeName(kp.ki_comm);
++ else
++ QString name = QFile::decodeName(kp.ki_comm);
+ # endif
+ return name;
+
\ No newline at end of file

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