Libraries: Move to Userland/Libraries/

Userland/Libraries/LibC/sys/wait.h

@@ -0,0 +1,59 @@
+/*
+ * 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.
+ */
+
+#pragma once
+
+#include <signal.h>
+#include <sys/cdefs.h>
+#include <sys/types.h>
+
+__BEGIN_DECLS
+
+#define WEXITSTATUS(status) (((status)&0xff00) >> 8)
+#define WSTOPSIG(status) WEXITSTATUS(status)
+#define WTERMSIG(status) ((status)&0x7f)
+#define WIFEXITED(status) (WTERMSIG(status) == 0)
+#define WIFSTOPPED(status) (((status)&0xff) == 0x7f)
+#define WIFSIGNALED(status) (((char)(((status)&0x7f) + 1) >> 1) > 0)
+
+#define WNOHANG 1
+#define WUNTRACED 2
+#define WSTOPPED WUNTRACED
+#define WEXITED 4
+#define WCONTINUED 8
+#define WNOWAIT 0x1000000
+
+typedef enum {
+    P_ALL = 1,
+    P_PID,
+    P_PGID
+} idtype_t;
+
+pid_t waitpid(pid_t, int* wstatus, int options);
+pid_t wait(int* wstatus);
+int waitid(idtype_t idtype, id_t id, siginfo_t* infop, int options);
+
+__END_DECLS