cap_issubset

函数名称：Check if "a" is a subset of "set".* return true if ALL of the capabilities in "a" are also in "set"* cap_issubset(0101, 1111) will return true* return false if ANY of the capabilities in "a" are not in "set"* cap_issubset(1111, 0101) will return false

函数原型：static inline bool cap_issubset(const kernel_cap_t a, const kernel_cap_t set)

返回类型：bool

参数：

类型	参数	名称
const kernel_cap_t	a
const kernel_cap_t	set

**调用者**
名称	描述
cred_cap_issubset
cap_ptrace_access_check	ap_ptrace_access_check - Determine whether the current process may access* another@child: The process to be accessed@mode: The mode of attachment.* If we are in the same or an ancestor user_ns and have all the target
cap_ptrace_traceme	ap_ptrace_traceme - Determine whether another process may trace the current@parent: The task proposed to be the tracer If parent is in the same or an ancestor user_ns and has all current's* capabilities, then ptrace access is allowed
cap_capset	ap_capset - Validate and apply proposed changes to current's capabilities@new: The proposed new credentials; alterations should be made here@old: The current task's current credentials*@effective: A pointer to the proposed new effective capabilities
cap_safe_nice	Rationale: code calling task_setscheduler, task_setioprio, and* task_setnice, assumes that*
cap_ambient_invariant_ok

函数逻辑报告