cpp-d1064d
[cross.git] / i686-linux-gnu-4.7 / usr / include / linux / cn_proc.h
diff --git a/i686-linux-gnu-4.7/usr/include/linux/cn_proc.h b/i686-linux-gnu-4.7/usr/include/linux/cn_proc.h
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+/* SPDX-License-Identifier: LGPL-2.1 WITH Linux-syscall-note */
+/*
+ * cn_proc.h - process events connector
+ *
+ * Copyright (C) Matt Helsley, IBM Corp. 2005
+ * Based on cn_fork.h by Nguyen Anh Quynh and Guillaume Thouvenin
+ * Copyright (C) 2005 Nguyen Anh Quynh <aquynh@gmail.com>
+ * Copyright (C) 2005 Guillaume Thouvenin <guillaume.thouvenin@bull.net>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it would be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#ifndef CN_PROC_H
+#define CN_PROC_H
+
+#include <linux/types.h>
+
+/*
+ * Userspace sends this enum to register with the kernel that it is listening
+ * for events on the connector.
+ */
+enum proc_cn_mcast_op {
+       PROC_CN_MCAST_LISTEN = 1,
+       PROC_CN_MCAST_IGNORE = 2
+};
+
+/*
+ * From the user's point of view, the process
+ * ID is the thread group ID and thread ID is the internal
+ * kernel "pid". So, fields are assigned as follow:
+ *
+ *  In user space     -  In  kernel space
+ *
+ * parent process ID  =  parent->tgid
+ * parent thread  ID  =  parent->pid
+ * child  process ID  =  child->tgid
+ * child  thread  ID  =  child->pid
+ */
+
+struct proc_event {
+       enum what {
+               /* Use successive bits so the enums can be used to record
+                * sets of events as well
+                */
+               PROC_EVENT_NONE = 0x00000000,
+               PROC_EVENT_FORK = 0x00000001,
+               PROC_EVENT_EXEC = 0x00000002,
+               PROC_EVENT_UID  = 0x00000004,
+               PROC_EVENT_GID  = 0x00000040,
+               PROC_EVENT_SID  = 0x00000080,
+               PROC_EVENT_PTRACE = 0x00000100,
+               PROC_EVENT_COMM = 0x00000200,
+               /* "next" should be 0x00000400 */
+               /* "last" is the last process event: exit,
+                * while "next to last" is coredumping event */
+               PROC_EVENT_COREDUMP = 0x40000000,
+               PROC_EVENT_EXIT = 0x80000000
+       } what;
+       __u32 cpu;
+       __u64 __attribute__((aligned(8))) timestamp_ns;
+               /* Number of nano seconds since system boot */
+       union { /* must be last field of proc_event struct */
+               struct {
+                       __u32 err;
+               } ack;
+
+               struct fork_proc_event {
+                       __kernel_pid_t parent_pid;
+                       __kernel_pid_t parent_tgid;
+                       __kernel_pid_t child_pid;
+                       __kernel_pid_t child_tgid;
+               } fork;
+
+               struct exec_proc_event {
+                       __kernel_pid_t process_pid;
+                       __kernel_pid_t process_tgid;
+               } exec;
+
+               struct id_proc_event {
+                       __kernel_pid_t process_pid;
+                       __kernel_pid_t process_tgid;
+                       union {
+                               __u32 ruid; /* task uid */
+                               __u32 rgid; /* task gid */
+                       } r;
+                       union {
+                               __u32 euid;
+                               __u32 egid;
+                       } e;
+               } id;
+
+               struct sid_proc_event {
+                       __kernel_pid_t process_pid;
+                       __kernel_pid_t process_tgid;
+               } sid;
+
+               struct ptrace_proc_event {
+                       __kernel_pid_t process_pid;
+                       __kernel_pid_t process_tgid;
+                       __kernel_pid_t tracer_pid;
+                       __kernel_pid_t tracer_tgid;
+               } ptrace;
+
+               struct comm_proc_event {
+                       __kernel_pid_t process_pid;
+                       __kernel_pid_t process_tgid;
+                       char           comm[16];
+               } comm;
+
+               struct coredump_proc_event {
+                       __kernel_pid_t process_pid;
+                       __kernel_pid_t process_tgid;
+                       __kernel_pid_t parent_pid;
+                       __kernel_pid_t parent_tgid;
+               } coredump;
+
+               struct exit_proc_event {
+                       __kernel_pid_t process_pid;
+                       __kernel_pid_t process_tgid;
+                       __u32 exit_code, exit_signal;
+                       __kernel_pid_t parent_pid;
+                       __kernel_pid_t parent_tgid;
+               } exit;
+
+       } event_data;
+};
+
+#endif /* CN_PROC_H */