find_task_by

函数名称：find_task_by_vpid

函数原型：struct task_struct *find_task_by_vpid(pid_t vnr)

返回类型：struct task_struct

参数：

类型	参数	名称
pid_t	vnr

**调用者**
名称	描述
SYSCALL_DEFINE3
SYSCALL_DEFINE2	Ugh. To avoid negative return values, "getpriority()" will* not return the normal nice-value, but a negated value that* has been offset by 20 (ie it returns 40..1 instead of -20..19)* to stay compatible.
SYSCALL_DEFINE2	This needs some heavy checking
do_getpgid
SYSCALL_DEFINE1
SYSCALL_DEFINE4
find_get_task_by_vpid
find_process_by_pid	d_process_by_pid - find a process with a matching PID value.@pid: the pid in question. The task of @pid, if found. %NULL otherwise.
SYSCALL_DEFINE5
lookup_task	Functions for validating access to tasks.
SYSCALL_DEFINE3	sys_get_robust_list() - Get the robust-futex list head of a task@pid: pid of the process [zero for current task]@head_ptr: pointer to a list-head pointer, the kernel fills it in*@len_ptr: pointer to a length field, the kernel fills in the header size
COMPAT_SYSCALL_DEFINE3
cgroup_procs_write_start
fill_stats_for_tgid
trace_user_stack_print	TRACE_USER_STACK
find_lively_task_by_vpid
kernel_move_pages	Move a list of pages in the address space of the currently executing* process.
SYSCALL_DEFINE2
tomoyo_read_pid	moyo_read_pid - Get domainname of the specified PID
rdtgroup_move_task
do_send_specific
kernel_migrate_pages
SYSCALL_DEFINE3
tomoyo_select_domain	moyo_select_domain - Parse select command.@head: Pointer to "struct tomoyo_io_buffer".@data: String to parse.* Returns true on success, false otherwise.* Caller holds tomoyo_read_lock().

函数逻辑报告