1 files changed, 139 insertions, 0 deletions
diff --git a/Userland/Libraries/LibC/serenity.cpp b/Userland/Libraries/LibC/serenity.cpp
new file mode 100644
index 0000000000..626a464ee8
--- /dev/null
+++ b/Userland/Libraries/LibC/serenity.cpp
@@ -0,0 +1,139 @@
+/*
+ * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <Kernel/API/Syscall.h>
+#include <errno.h>
+#include <serenity.h>
+
+extern "C" {
+
+int disown(pid_t pid)
+{
+    int rc = syscall(SC_disown, pid);
+    __RETURN_WITH_ERRNO(rc, rc, -1);
+}
+
+int module_load(const char* path, size_t path_length)
+{
+    int rc = syscall(SC_module_load, path, path_length);
+    __RETURN_WITH_ERRNO(rc, rc, -1);
+}
+
+int module_unload(const char* name, size_t name_length)
+{
+    int rc = syscall(SC_module_unload, name, name_length);
+    __RETURN_WITH_ERRNO(rc, rc, -1);
+}
+
+int profiling_enable(pid_t pid)
+{
+    int rc = syscall(SC_profiling_enable, pid);
+    __RETURN_WITH_ERRNO(rc, rc, -1);
+}
+
+int profiling_disable(pid_t pid)
+{
+    int rc = syscall(SC_profiling_disable, pid);
+    __RETURN_WITH_ERRNO(rc, rc, -1);
+}
+
+int set_thread_boost(pid_t tid, int amount)
+{
+    int rc = syscall(SC_set_thread_boost, tid, amount);
+    __RETURN_WITH_ERRNO(rc, rc, -1);
+}
+
+int set_process_boost(pid_t tid, int amount)
+{
+    int rc = syscall(SC_set_process_boost, tid, amount);
+    __RETURN_WITH_ERRNO(rc, rc, -1);
+}
+
+int futex(int32_t* userspace_address, int futex_op, int32_t value, const struct timespec* timeout)
+{
+    Syscall::SC_futex_params params { userspace_address, futex_op, value, timeout };
+    int rc = syscall(SC_futex, &params);
+    __RETURN_WITH_ERRNO(rc, rc, -1);
+}
+
+int purge(int mode)
+{
+    int rc = syscall(SC_purge, mode);
+    __RETURN_WITH_ERRNO(rc, rc, -1);
+}
+
+int perf_event(int type, uintptr_t arg1, FlatPtr arg2)
+{
+    int rc = syscall(SC_perf_event, type, arg1, arg2);
+    __RETURN_WITH_ERRNO(rc, rc, -1);
+}
+
+void* shbuf_get(int shbuf_id, size_t* size)
+{
+    ssize_t rc = syscall(SC_shbuf_get, shbuf_id, size);
+    if (rc < 0 && -rc < EMAXERRNO) {
+        errno = -rc;
+        return (void*)-1;
+    }
+    return (void*)rc;
+}
+
+int shbuf_release(int shbuf_id)
+{
+    int rc = syscall(SC_shbuf_release, shbuf_id);
+    __RETURN_WITH_ERRNO(rc, rc, -1);
+}
+
+int shbuf_seal(int shbuf_id)
+{
+    int rc = syscall(SC_shbuf_seal, shbuf_id);
+    __RETURN_WITH_ERRNO(rc, rc, -1);
+}
+
+int shbuf_create(int size, void** buffer)
+{
+    int rc = syscall(SC_shbuf_create, size, buffer);
+    __RETURN_WITH_ERRNO(rc, rc, -1);
+}
+
+int shbuf_allow_pid(int shbuf_id, pid_t peer_pid)
+{
+    int rc = syscall(SC_shbuf_allow_pid, shbuf_id, peer_pid);
+    __RETURN_WITH_ERRNO(rc, rc, -1);
+}
+
+int shbuf_allow_all(int shbuf_id)
+{
+    int rc = syscall(SC_shbuf_allow_all, shbuf_id);
+    __RETURN_WITH_ERRNO(rc, rc, -1);
+}
+
+int get_stack_bounds(uintptr_t* user_stack_base, size_t* user_stack_size)
+{
+    int rc = syscall(SC_get_stack_bounds, user_stack_base, user_stack_size);
+    __RETURN_WITH_ERRNO(rc, rc, -1);
+}
+}