pid_has_task

函数名称：pid_has_task

函数原型：static inline bool pid_has_task(struct pid *pid, enum pid_type type)

返回类型：bool

参数：

类型	参数	名称
struct pid *	pid
enum pid_type	type

**调用者**
名称	描述
pidfd_show_fdinfo	pidfd_show_fdinfo - print information about a pidfd@m: proc fdinfo file@f: file referencing a pidfd* Pid:* This function will print the pid that a given pidfd refers to in the* pid namespace of the procfs instance
do_wait
__change_pid
SYSCALL_DEFINE2	pidfd_open() - Open new pid file descriptor.@pid: pid for which to retrieve a pidfd@flags: flags to pass* This creates a new pid file descriptor with the O_CLOEXEC flag set for* the process identified by @pid. Currently, the process identified by

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