Struct lock_class_key

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August undefined, 2024

WebApr 2, 2024 · Now that the class code is cleaned up to not modify the class pointer. registered with it, change class_register () to take a const * to allow. the structure to be … WebJun 20, 2012 · public class DynamicKeyLock implements Lock { private final static ConcurrentHashMap locksMap = new ConcurrentHashMap (); private final T key; public DynamicKeyLock (T lockKey) { this.key = lockKey; } private static class LockAndCounter { private final Lock lock = new ReentrantLock (); private final AtomicInteger counter = new …

Lockdep: add lockdep_set_class_and_subclass() and lockdep_set_…

Webinit_timer_key - initialize a timer SYNOPSIS void init_timer_key (struct timer_list * timer, const char * name, struct lock_class_key * key); ARGUMENTS timer the timer to be … WebApr 12, 2024 · In basic terms, a struct is a value type while a class is a reference type. Value types contain their data directly on the stack, while reference types store a reference to an object containing ... integral body meaning

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WebStruct kernel:: sync:: LockClassKey source · [−] #[repr(transparent)] pub struct LockClassKey(_); Expand description. Represents a lockdep class. It’s a wrapper around C’s lock_class_key. Implementations. source impl LockClassKey. source pub const fn new() -> Self. Creates a new lock class key. Trait Implementations. source impl Sync for ... Webs_lock_key, s_umount_key: lockdep-specific The mount () method has the following arguments: struct file_system_type *fs_type describes the filesystem, partly initialized by the specific filesystem code int flags mount flags const char *dev_name the device name we are mounting. void *data Webthe lock_class_key for this class; used by mutex lock debugging DESCRIPTION ¶ This is used to create a struct class pointer that can then be used in calls to device_create. … jocelyn broughton

init_timer_key(9) [suse man page] - unix.com

c++ - Locking access to struct with mutex - Stack Overflow

Webpointer to a string for the name of this class. struct lock_class_key *key. the lock_class_key for this class; used by mutex lock debugging. Description. This is used to create a struct … WebThe minimized testcase: --cut here-- #define SB_FREEZE_COMPLETE 4 struct lock_class_key { }; struct file_system_type { struct lock_class_key s_writers_key [ (SB_FREEZE_COMPLETE - 1)]; struct lock_class_key i_lock_key; }; void foo (struct file_system_type *type) { for (int i = 0; i s_writers_key [i]); } --cut here-- gcc -O2 -Wall: super-i.c: In … jocelyn bryant catererWebIn commit 37e98d9bedb5 ("driver core: bus: move lock_class_key into dynamic structure"), the lock_key variable moved out of struct bus_type and into struct subsys_private, yet the … jocelyn bryant catering

"Webstruct lock_class_key *lock_key, const char *lock_name); /* * Wrapper for regmap_init macros to include a unique lockdep key and name * for each call. No-op if … " - Struct lock_class_key

Struct lock_class_key

LKML: Greg Kroah-Hartman: [PATCH 2/5] driver core: class: make …

WebLinux debugging, tracing, profiling & perf. analysis. Check our new training course. with Creative Commons CC-BY-SA WebStruct kernel:: sync:: LockClassKey source · [−] #[repr(transparent)] pub struct LockClassKey(_); Expand description. Represents a lockdep class. It’s a wrapper around …

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WebIn commit 37e98d9bedb5 ("driver core: bus: move lock_class_key into dynamic structure"), the lock_key variable moved out of struct bus_type and into struct subsys_private, yet the documentation for it did not move. Fix that up and place the documentation comment in the correct location. Cc: "Rafael J. Wysocki" WebPut a remove_sock () in the handler * for memory when we hit 0. Also altered the timer * code. The ACK stuff can wait and needs major * TCP layer surgery. * Alan Cox : Fixed TCP ack bug, removed remove sock * and fixed timer/inet_bh race. * Alan Cox : …

Webstruct fsl_mc_device_id ¶ MC object device identifier Definition: struct fsl_mc_device_id { __u16 vendor; const char obj_type [16]; }; Members vendor vendor ID obj_type MC object type Description Type of entries in the “device Id” table for MC object devices supported by a MC object device driver. The last entry of the table has vendor set to 0x0 WebLocks all the objects passed as arguments, blocking the calling thread if necessary. The function locks the objects using an unspecified sequence of calls to their members lock, …

Web* Don't use any locking mechanisms.* @lock: Optional lock callback (overrides regmap's default lock* function, based on spinlock or mutex).* @unlock: As above for unlocking.* @lock_arg: this field is passed as the only argument of lock/unlock* functions (ignored in case regular lock/unlock functions* are not overridden).* @reg_read: Optional …

WebApr 28, 2024 · 本文介绍linux中class_create和class_register的相关使用方法 1 class结构体介绍内核中定义了struct class结构体，顾名思义，一个struct class结构体类型变量对应一个类，内核同时提供了class_create(…)函数，可以用它来创建一个类，这个类存放于sysfs下面，一旦创建好了这个类，再调用device_create(…

WebFor example a lock in the inode struct is one class, while each inode has its own instantiation of that lock class. The validator tracks the ‘usage state’ of lock-classes, and it tracks the dependencies between different lock-classes. Lock usage indicates how a lock is used with regard to its IRQ contexts, while lock dependency can be ... integral bookkeeping solutionsWebBuilding a Formal Business Plan. Planning is the key to business success, and it all comes together in a detailed business plan. This 3-hour workshop is designed to give you, the business owner, the skills and know-how needed to write a successful and detailed business plan, which will cover these main topics: · Describing your product or service. jocelyn brando imagesWebApr 6, 2024 · A struct_declaration consists of an optional set of attributes ( §21 ), followed by an optional set of struct_modifier s ( §15.2.2 ), followed by an optional partial modifier ( §14.2.7 ), followed by the keyword struct and an identifier that names the struct, followed by an optional type_parameter_list specification ( §14.2.3 ), followed by an … jocelyn burgessWebFeb 5, 2024 · Locking access to struct with mutex. I have a struct containing two elements. struct MyStruct { int first_element_; std::string second_element_; } The struct is shared between threads and therefore requires locking. My use case requires to lock access to the whole struct instead of just a specific member, so for example: // start of Thread 1's ... jocelyn burdWebint __init mydevice_init(void) { int ret; struct device * mydevice; major = register_chrdev(0, " mydevice ", & myfops); if (major < 0) { ret = major; return ret; } myclass = … integral boundaryWebLockdep: add lockdep_set_class_and_subclass() and lockdep_set_subclass() This annotation makes it possible to assign a subclass on lock init. annotation is meant to … integral body structure meaningWebstruct lock_class_key *key); extern int mutex_trylock (struct mutex *lock); static inline void mutex_destroy (struct mutex *lock) { } #define mutex_is_locked (l) … jocelyn bridal clifton park ny