Adding upstream version 14.2.upstream/14.2upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 60 insertions, 0 deletions

diff --git a/src/pulsecore/mem.h b/src/pulsecore/mem.h
new file mode 100644
index 0000000..cba1410
--- /dev/null
+++ b/src/pulsecore/mem.h
@@ -0,0 +1,60 @@
+#ifndef foopulsememhfoo
+#define foopulsememhfoo
+
+/***
+  This file is part of PulseAudio.
+
+  Copyright 2016 Ahmed S. Darwish <darwish.07@gmail.com>
+
+  PulseAudio is free software; you can redistribute it and/or modify
+  it under the terms of the GNU Lesser General Public License as
+  published by the Free Software Foundation; either version 2.1 of the
+  License, or (at your option) any later version.
+
+  PulseAudio is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <stdbool.h>
+
+#include <pulsecore/creds.h>
+#include <pulsecore/macro.h>
+
+typedef enum pa_mem_type {
+    PA_MEM_TYPE_SHARED_POSIX,         /* Data is shared and created using POSIX shm_open() */
+    PA_MEM_TYPE_SHARED_MEMFD,         /* Data is shared and created using Linux memfd_create() */
+    PA_MEM_TYPE_PRIVATE,              /* Data is private and created using classic memory allocation
+                                         (posix_memalign(), malloc() or anonymous mmap()) */
+} pa_mem_type_t;
+
+static inline const char *pa_mem_type_to_string(pa_mem_type_t type) {
+    switch (type) {
+    case PA_MEM_TYPE_SHARED_POSIX:
+        return "shared posix-shm";
+    case PA_MEM_TYPE_SHARED_MEMFD:
+        return "shared memfd";
+    case PA_MEM_TYPE_PRIVATE:
+        return "private";
+    }
+
+    pa_assert_not_reached();
+}
+
+static inline bool pa_mem_type_is_shared(pa_mem_type_t t) {
+    return (t == PA_MEM_TYPE_SHARED_POSIX) || (t == PA_MEM_TYPE_SHARED_MEMFD);
+}
+
+static inline bool pa_memfd_is_locally_supported() {
+#if defined(HAVE_CREDS) && defined(HAVE_MEMFD)
+    return true;
+#else
+    return false;
+#endif
+}
+
+#endif