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[J][C]ube[Code] > Feature: Threading #7

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MatejStancik merged 1 commit from feature/module-threading into master 2026-03-03 17:44:06 +00:00
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MatejStancik commented 2026-02-10 17:44:19 +00:00
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Threading

Module name: Thread

Threads

Linux API Windows API Verdict Notes
pthread_create() _beginthreadex() SAFE CRT-safe
pthread_exit() _endthreadex() SAFE Correct with CRT
pthread_join() WaitForSingleObject() SAFE Wait on HANDLE
pthread_detach() CloseHandle() PARTIAL No true detach semantics
pthread_self() GetCurrentThread() SAFE Pseudo-handle
GetCurrentThreadId() SAFE ID only
pthread_equal() GetThreadId() SAFE Compare IDs
pthread_yield() SwitchToThread() SAFE Yield execution
sched_yield() SwitchToThread() SAFE Yield execution
pthread_cancel() — UNSUPPORTED No async cancellation
pthread_kill() — UNSUPPORTED No signal delivery
pthread_once() InitOnceExecuteOnce() SAFE Same semantics
pthread_once_t INIT_ONCE SAFE Control object

Mutex

Linux API Windows API Verdict Notes
pthread_mutex_init() InitializeCriticalSection() SAFE Fast user-mode lock
pthread_mutex_lock() EnterCriticalSection() SAFE
pthread_mutex_trylock() TryEnterCriticalSection() SAFE
pthread_mutex_unlock() LeaveCriticalSection() SAFE
pthread_mutex_destroy() DeleteCriticalSection() SAFE
pthread_mutex_t CRITICAL_SECTION SAFE

Condition

Linux API Windows API Verdict Notes
pthread_cond_init() InitializeConditionVariable() SAFE No attributes
pthread_cond_wait() SleepConditionVariableCS() SAFE Mutex required
pthread_cond_timedwait() SleepConditionVariableCS() PARTIAL Relative timeout
pthread_cond_signal() WakeConditionVariable() SAFE
pthread_cond_broadcast() WakeAllConditionVariable() SAFE
pthread_cond_destroy() — SAFE No-op on Windows
pthread_cond_t CONDITION_VARIABLE SAFE

Read-Write Locks

Linux API Windows API Verdict Notes
pthread_rwlock_init() InitializeSRWLock() SAFE No attributes
pthread_rwlock_rdlock() AcquireSRWLockShared() SAFE
pthread_rwlock_wrlock() AcquireSRWLockExclusive() SAFE
pthread_rwlock_tryrdlock() TryAcquireSRWLockShared() SAFE
pthread_rwlock_trywrlock() TryAcquireSRWLockExclusive() SAFE
pthread_rwlock_unlock() ReleaseSRWLockShared() SAFE Read unlock
ReleaseSRWLockExclusive() SAFE Write unlock
pthread_rwlock_destroy() — SAFE No-op
pthread_rwlock_t SRWLOCK SAFE

Thread Local Storage (TLS)

Linux API Windows API Verdict Notes
pthread_key_create() TlsAlloc() PARTIAL No destructor support
pthread_setspecific() TlsSetValue() SAFE
pthread_getspecific() TlsGetValue() SAFE
pthread_key_delete() TlsFree() SAFE

Barrier

Linux API Windows API Verdict Notes
pthread_barrier_init() InitializeSynchronizationBarrier() SAFE
pthread_barrier_wait() EnterSynchronizationBarrier() SAFE
pthread_barrier_destroy() DeleteSynchronizationBarrier() SAFE

Linux Thread API (uses pthreads as of now):

Before merge, review all these functions and create appropriate wrappers.

int   pthread_attr_destroy(pthread_attr_t *);
int   pthread_attr_getdetachstate(const pthread_attr_t *, int *);
int   pthread_attr_getguardsize(const pthread_attr_t *, size_t *);
int   pthread_attr_getinheritsched(const pthread_attr_t *, int *);
int   pthread_attr_getschedparam(const pthread_attr_t *,
          struct sched_param *);
int   pthread_attr_getschedpolicy(const pthread_attr_t *, int *);
int   pthread_attr_getscope(const pthread_attr_t *, int *);
int   pthread_attr_getstackaddr(const pthread_attr_t *, void **);
int   pthread_attr_getstacksize(const pthread_attr_t *, size_t *);
int   pthread_attr_init(pthread_attr_t *);
int   pthread_attr_setdetachstate(pthread_attr_t *, int);
int   pthread_attr_setguardsize(pthread_attr_t *, size_t);
int   pthread_attr_setinheritsched(pthread_attr_t *, int);
int   pthread_attr_setschedparam(pthread_attr_t *,
          const struct sched_param *);
int   pthread_attr_setschedpolicy(pthread_attr_t *, int);
int   pthread_attr_setscope(pthread_attr_t *, int);
int   pthread_attr_setstackaddr(pthread_attr_t *, void *);
int   pthread_attr_setstacksize(pthread_attr_t *, size_t);
int   pthread_cancel(pthread_t);
void  pthread_cleanup_push(void*), void *);
void  pthread_cleanup_pop(int);
int   pthread_cond_broadcast(pthread_cond_t *);
int   pthread_cond_destroy(pthread_cond_t *);
int   pthread_cond_init(pthread_cond_t *, const pthread_condattr_t *);
int   pthread_cond_signal(pthread_cond_t *);
int   pthread_cond_timedwait(pthread_cond_t *, 
          pthread_mutex_t *, const struct timespec *);
int   pthread_cond_wait(pthread_cond_t *, pthread_mutex_t *);
int   pthread_condattr_destroy(pthread_condattr_t *);
int   pthread_condattr_getpshared(const pthread_condattr_t *, int *);
int   pthread_condattr_init(pthread_condattr_t *);
int   pthread_condattr_setpshared(pthread_condattr_t *, int);
int   pthread_create(pthread_t *, const pthread_attr_t *,
          void *(*)(void *), void *);
int   pthread_detach(pthread_t);
int   pthread_equal(pthread_t, pthread_t);
void  pthread_exit(void *);
int   pthread_getconcurrency(void);
int   pthread_getschedparam(pthread_t, int *, struct sched_param *);
void *pthread_getspecific(pthread_key_t);
int   pthread_join(pthread_t, void **);
int   pthread_key_create(pthread_key_t *, void (*)(void *));
int   pthread_key_delete(pthread_key_t);
int   pthread_mutex_destroy(pthread_mutex_t *);
int   pthread_mutex_getprioceiling(const pthread_mutex_t *, int *);
int   pthread_mutex_init(pthread_mutex_t *, const pthread_mutexattr_t *);
int   pthread_mutex_lock(pthread_mutex_t *);
int   pthread_mutex_setprioceiling(pthread_mutex_t *, int, int *);
int   pthread_mutex_trylock(pthread_mutex_t *);
int   pthread_mutex_unlock(pthread_mutex_t *);
int   pthread_mutexattr_destroy(pthread_mutexattr_t *);
int   pthread_mutexattr_getprioceiling(const pthread_mutexattr_t *,
          int *);
int   pthread_mutexattr_getprotocol(const pthread_mutexattr_t *, int *);
int   pthread_mutexattr_getpshared(const pthread_mutexattr_t *, int *);
int   pthread_mutexattr_gettype(const pthread_mutexattr_t *, int *);
int   pthread_mutexattr_init(pthread_mutexattr_t *);
int   pthread_mutexattr_setprioceiling(pthread_mutexattr_t *, int);
int   pthread_mutexattr_setprotocol(pthread_mutexattr_t *, int);
int   pthread_mutexattr_setpshared(pthread_mutexattr_t *, int);
int   pthread_mutexattr_settype(pthread_mutexattr_t *, int);
int   pthread_once(pthread_once_t *, void (*)(void));
int   pthread_rwlock_destroy(pthread_rwlock_t *);
int   pthread_rwlock_init(pthread_rwlock_t *,
          const pthread_rwlockattr_t *);
int   pthread_rwlock_rdlock(pthread_rwlock_t *);
int   pthread_rwlock_tryrdlock(pthread_rwlock_t *);
int   pthread_rwlock_trywrlock(pthread_rwlock_t *);
int   pthread_rwlock_unlock(pthread_rwlock_t *);
int   pthread_rwlock_wrlock(pthread_rwlock_t *);
int   pthread_rwlockattr_destroy(pthread_rwlockattr_t *);
int   pthread_rwlockattr_getpshared(const pthread_rwlockattr_t *,
          int *);
int   pthread_rwlockattr_init(pthread_rwlockattr_t *);
int   pthread_rwlockattr_setpshared(pthread_rwlockattr_t *, int);
pthread_t
      pthread_self(void);
int   pthread_setcancelstate(int, int *);
int   pthread_setcanceltype(int, int *);
int   pthread_setconcurrency(int);
int   pthread_setschedparam(pthread_t, int ,
          const struct sched_param *);
int   pthread_setspecific(pthread_key_t, const void *);
void  pthread_testcancel(void);
# Threading Module name: **Thread** ## Threads | Linux API | Windows API | Verdict | Notes | | ---------------- | --------------------- | ----------- | ------------------------ | | pthread_create() | _beginthreadex() | SAFE | CRT-safe | | pthread_exit() | _endthreadex() | SAFE | Correct with CRT | | pthread_join() | WaitForSingleObject() | SAFE | Wait on HANDLE | | pthread_detach() | CloseHandle() | PARTIAL | No true detach semantics | | pthread_self() | GetCurrentThread() | SAFE | Pseudo-handle | | | GetCurrentThreadId() | SAFE | ID only | | pthread_equal() | GetThreadId() | SAFE | Compare IDs | | pthread_yield() | SwitchToThread() | SAFE | Yield execution | | sched_yield() | SwitchToThread() | SAFE | Yield execution | | pthread_cancel() | — | UNSUPPORTED | No async cancellation | | pthread_kill() | — | UNSUPPORTED | No signal delivery | | pthread_once() | InitOnceExecuteOnce() | SAFE | Same semantics | | pthread_once_t | INIT_ONCE | SAFE | Control object | ## Mutex | Linux API | Windows API | Verdict | Notes | | ----------------------- | --------------------------- | ------- | ------------------- | | pthread_mutex_init() | InitializeCriticalSection() | SAFE | Fast user-mode lock | | pthread_mutex_lock() | EnterCriticalSection() | SAFE | | | pthread_mutex_trylock() | TryEnterCriticalSection() | SAFE | | | pthread_mutex_unlock() | LeaveCriticalSection() | SAFE | | | pthread_mutex_destroy() | DeleteCriticalSection() | SAFE | | | pthread_mutex_t | CRITICAL_SECTION | SAFE | | ## Condition | Linux API | Windows API | Verdict | Notes | | ------------------------ | ----------------------------- | ------- | ---------------- | | pthread_cond_init() | InitializeConditionVariable() | SAFE | No attributes | | pthread_cond_wait() | SleepConditionVariableCS() | SAFE | Mutex required | | pthread_cond_timedwait() | SleepConditionVariableCS() | PARTIAL | Relative timeout | | pthread_cond_signal() | WakeConditionVariable() | SAFE | | | pthread_cond_broadcast() | WakeAllConditionVariable() | SAFE | | | pthread_cond_destroy() | — | SAFE | No-op on Windows | | pthread_cond_t | CONDITION_VARIABLE | SAFE | | ## Read-Write Locks | Linux API | Windows API | Verdict | Notes | | -------------------------- | ---------------------------- | ------- | ------------- | | pthread_rwlock_init() | InitializeSRWLock() | SAFE | No attributes | | pthread_rwlock_rdlock() | AcquireSRWLockShared() | SAFE | | | pthread_rwlock_wrlock() | AcquireSRWLockExclusive() | SAFE | | | pthread_rwlock_tryrdlock() | TryAcquireSRWLockShared() | SAFE | | | pthread_rwlock_trywrlock() | TryAcquireSRWLockExclusive() | SAFE | | | pthread_rwlock_unlock() | ReleaseSRWLockShared() | SAFE | Read unlock | | | ReleaseSRWLockExclusive() | SAFE | Write unlock | | pthread_rwlock_destroy() | — | SAFE | No-op | | pthread_rwlock_t | SRWLOCK | SAFE | | ## Thread Local Storage (TLS) | Linux API | Windows API | Verdict | Notes | | --------------------- | ------------- | ------- | --------------------- | | pthread_key_create() | TlsAlloc() | PARTIAL | No destructor support | | pthread_setspecific() | TlsSetValue() | SAFE | | | pthread_getspecific() | TlsGetValue() | SAFE | | | pthread_key_delete() | TlsFree() | SAFE | | ## Barrier | Linux API | Windows API | Verdict | Notes | | ------------------------- | ---------------------------------- | ------- | ----- | | pthread_barrier_init() | InitializeSynchronizationBarrier() | SAFE | | | pthread_barrier_wait() | EnterSynchronizationBarrier() | SAFE | | | pthread_barrier_destroy() | DeleteSynchronizationBarrier() | SAFE | | # Linux Thread API (uses pthreads as of now): Before merge, review all these functions and create appropriate wrappers. ``` int pthread_attr_destroy(pthread_attr_t *); int pthread_attr_getdetachstate(const pthread_attr_t *, int *); int pthread_attr_getguardsize(const pthread_attr_t *, size_t *); int pthread_attr_getinheritsched(const pthread_attr_t *, int *); int pthread_attr_getschedparam(const pthread_attr_t *, struct sched_param *); int pthread_attr_getschedpolicy(const pthread_attr_t *, int *); int pthread_attr_getscope(const pthread_attr_t *, int *); int pthread_attr_getstackaddr(const pthread_attr_t *, void **); int pthread_attr_getstacksize(const pthread_attr_t *, size_t *); int pthread_attr_init(pthread_attr_t *); int pthread_attr_setdetachstate(pthread_attr_t *, int); int pthread_attr_setguardsize(pthread_attr_t *, size_t); int pthread_attr_setinheritsched(pthread_attr_t *, int); int pthread_attr_setschedparam(pthread_attr_t *, const struct sched_param *); int pthread_attr_setschedpolicy(pthread_attr_t *, int); int pthread_attr_setscope(pthread_attr_t *, int); int pthread_attr_setstackaddr(pthread_attr_t *, void *); int pthread_attr_setstacksize(pthread_attr_t *, size_t); int pthread_cancel(pthread_t); void pthread_cleanup_push(void*), void *); void pthread_cleanup_pop(int); int pthread_cond_broadcast(pthread_cond_t *); int pthread_cond_destroy(pthread_cond_t *); int pthread_cond_init(pthread_cond_t *, const pthread_condattr_t *); int pthread_cond_signal(pthread_cond_t *); int pthread_cond_timedwait(pthread_cond_t *, pthread_mutex_t *, const struct timespec *); int pthread_cond_wait(pthread_cond_t *, pthread_mutex_t *); int pthread_condattr_destroy(pthread_condattr_t *); int pthread_condattr_getpshared(const pthread_condattr_t *, int *); int pthread_condattr_init(pthread_condattr_t *); int pthread_condattr_setpshared(pthread_condattr_t *, int); int pthread_create(pthread_t *, const pthread_attr_t *, void *(*)(void *), void *); int pthread_detach(pthread_t); int pthread_equal(pthread_t, pthread_t); void pthread_exit(void *); int pthread_getconcurrency(void); int pthread_getschedparam(pthread_t, int *, struct sched_param *); void *pthread_getspecific(pthread_key_t); int pthread_join(pthread_t, void **); int pthread_key_create(pthread_key_t *, void (*)(void *)); int pthread_key_delete(pthread_key_t); int pthread_mutex_destroy(pthread_mutex_t *); int pthread_mutex_getprioceiling(const pthread_mutex_t *, int *); int pthread_mutex_init(pthread_mutex_t *, const pthread_mutexattr_t *); int pthread_mutex_lock(pthread_mutex_t *); int pthread_mutex_setprioceiling(pthread_mutex_t *, int, int *); int pthread_mutex_trylock(pthread_mutex_t *); int pthread_mutex_unlock(pthread_mutex_t *); int pthread_mutexattr_destroy(pthread_mutexattr_t *); int pthread_mutexattr_getprioceiling(const pthread_mutexattr_t *, int *); int pthread_mutexattr_getprotocol(const pthread_mutexattr_t *, int *); int pthread_mutexattr_getpshared(const pthread_mutexattr_t *, int *); int pthread_mutexattr_gettype(const pthread_mutexattr_t *, int *); int pthread_mutexattr_init(pthread_mutexattr_t *); int pthread_mutexattr_setprioceiling(pthread_mutexattr_t *, int); int pthread_mutexattr_setprotocol(pthread_mutexattr_t *, int); int pthread_mutexattr_setpshared(pthread_mutexattr_t *, int); int pthread_mutexattr_settype(pthread_mutexattr_t *, int); int pthread_once(pthread_once_t *, void (*)(void)); int pthread_rwlock_destroy(pthread_rwlock_t *); int pthread_rwlock_init(pthread_rwlock_t *, const pthread_rwlockattr_t *); int pthread_rwlock_rdlock(pthread_rwlock_t *); int pthread_rwlock_tryrdlock(pthread_rwlock_t *); int pthread_rwlock_trywrlock(pthread_rwlock_t *); int pthread_rwlock_unlock(pthread_rwlock_t *); int pthread_rwlock_wrlock(pthread_rwlock_t *); int pthread_rwlockattr_destroy(pthread_rwlockattr_t *); int pthread_rwlockattr_getpshared(const pthread_rwlockattr_t *, int *); int pthread_rwlockattr_init(pthread_rwlockattr_t *); int pthread_rwlockattr_setpshared(pthread_rwlockattr_t *, int); pthread_t pthread_self(void); int pthread_setcancelstate(int, int *); int pthread_setcanceltype(int, int *); int pthread_setconcurrency(int); int pthread_setschedparam(pthread_t, int , const struct sched_param *); int pthread_setspecific(pthread_key_t, const void *); void pthread_testcancel(void); ```
MatejStancik added this to the Library project 2026-02-10 17:44:20 +00:00
MatejStancik added spent time 2026-02-10 17:45:12 +00:00
12 hours
MatejStancik deleted branch feature/module-threading 2026-03-03 17:44:07 +00:00
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