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cosmopolitan/libc/thread/thread.h
Justine Tunney a0a404a431
Fix issues with previous commit
2024-09-10 01:59:46 -07:00

258 lines
11 KiB
C
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#ifndef COSMOPOLITAN_LIBC_THREAD_THREAD_H_
#define COSMOPOLITAN_LIBC_THREAD_THREAD_H_
#define PTHREAD_KEYS_MAX 46
#define PTHREAD_STACK_MIN 65536
#define PTHREAD_USE_NSYNC 1
#define PTHREAD_DESTRUCTOR_ITERATIONS 4
#define PTHREAD_BARRIER_SERIAL_THREAD 31337
#define PTHREAD_MUTEX_NORMAL 0
#define PTHREAD_MUTEX_RECURSIVE 1
#define PTHREAD_MUTEX_ERRORCHECK 2
#define PTHREAD_MUTEX_STALLED 0
#define PTHREAD_MUTEX_ROBUST 1
#define PTHREAD_PROCESS_PRIVATE 0
#define PTHREAD_PROCESS_SHARED 4
#define PTHREAD_CREATE_JOINABLE 0
#define PTHREAD_CREATE_DETACHED 1
#define PTHREAD_INHERIT_SCHED 0
#define PTHREAD_EXPLICIT_SCHED 1
#define PTHREAD_CANCELED ((void *)-1)
#define PTHREAD_CANCEL_ENABLE 0
#define PTHREAD_CANCEL_DISABLE 1
#define PTHREAD_CANCEL_MASKED 2
#define PTHREAD_CANCEL_DEFERRED 0
#define PTHREAD_CANCEL_ASYNCHRONOUS 1
#define PTHREAD_SCOPE_SYSTEM 0
#define PTHREAD_SCOPE_PROCESS 1
#define PTHREAD_ATTR_NO_SIGMASK_NP -1
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
#define PTHREAD_ONCE_INIT {0}
#define PTHREAD_COND_INITIALIZER {0}
#define PTHREAD_RWLOCK_INITIALIZER {0}
#define PTHREAD_MUTEX_INITIALIZER {0}
#define PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP {0, {}, PTHREAD_MUTEX_RECURSIVE}
#define PTHREAD_SIGNAL_SAFE_MUTEX_INITIALIZER_NP \
{0, {}, PTHREAD_MUTEX_RECURSIVE | PTHREAD_PROCESS_SHARED}
#ifndef __cplusplus
#define _PTHREAD_ATOMIC(x) _Atomic(x)
#else
#define _PTHREAD_ATOMIC(x) x
#endif
typedef uintptr_t pthread_t;
typedef int pthread_id_np_t;
typedef char pthread_rwlockattr_t;
typedef char pthread_barrierattr_t;
typedef unsigned pthread_key_t;
typedef void (*pthread_key_dtor)(void *);
typedef struct pthread_once_s {
_PTHREAD_ATOMIC(uint32_t) _lock;
} pthread_once_t;
typedef struct pthread_spinlock_s {
_PTHREAD_ATOMIC(int) _lock;
} pthread_spinlock_t;
typedef struct pthread_mutex_s {
uint32_t _nsync;
union {
int32_t _pid;
_PTHREAD_ATOMIC(int32_t) _futex;
};
/* this cleverly overlaps with NSYNC struct Dll *waiters; */
_PTHREAD_ATOMIC(uint64_t) _word;
long _nsyncx[2];
} pthread_mutex_t;
typedef struct pthread_mutexattr_s {
unsigned _word;
} pthread_mutexattr_t;
typedef struct pthread_condattr_s {
char _pshared;
char _clock;
} pthread_condattr_t;
typedef struct pthread_cond_s {
union {
void *_align;
struct {
uint32_t _nsync;
char _pshared;
char _clock;
char _footek;
_PTHREAD_ATOMIC(char) _waited;
};
};
_PTHREAD_ATOMIC(uint32_t) _sequence;
_PTHREAD_ATOMIC(uint32_t) _waiters;
} pthread_cond_t;
typedef struct pthread_rwlock_s {
void *_nsync[2];
char _iswrite;
} pthread_rwlock_t;
typedef struct pthread_barrier_s {
int _count;
char _pshared;
_PTHREAD_ATOMIC(int) _counter;
_PTHREAD_ATOMIC(int) _waiters;
} pthread_barrier_t;
typedef struct pthread_attr_s {
char __detachstate;
char __inheritsched;
char __havesigmask;
int __schedparam;
int __schedpolicy;
int __contentionscope;
int __guardsize;
int __stacksize;
int __sigaltstacksize;
uint64_t __sigmask;
void *__stackaddr;
void *__sigaltstackaddr;
} pthread_attr_t;
struct _pthread_cleanup_buffer {
void (*__routine)(void *);
void *__arg;
int __canceltype;
struct _pthread_cleanup_buffer *__prev;
};
/* clang-format off */
int pthread_atfork(void (*)(void), void (*)(void), void (*)(void)) dontthrow;
int pthread_attr_destroy(pthread_attr_t *) libcesque paramsnonnull();
int pthread_attr_getdetachstate(const pthread_attr_t *, int *) libcesque paramsnonnull();
int pthread_attr_getguardsize(const pthread_attr_t *, size_t *) libcesque paramsnonnull();
int pthread_attr_getinheritsched(const pthread_attr_t *, int *) libcesque paramsnonnull();
int pthread_attr_getschedpolicy(const pthread_attr_t *, int *) libcesque paramsnonnull();
int pthread_attr_getscope(const pthread_attr_t *, int *) libcesque paramsnonnull();
int pthread_attr_getstack(const pthread_attr_t *, void **, size_t *) libcesque paramsnonnull();
int pthread_attr_getstacksize(const pthread_attr_t *, size_t *) libcesque paramsnonnull();
int pthread_attr_getsigaltstack_np(const pthread_attr_t *, void **, size_t *) libcesque paramsnonnull();
int pthread_attr_getsigaltstacksize_np(const pthread_attr_t *, size_t *) libcesque paramsnonnull();
int pthread_attr_init(pthread_attr_t *) libcesque paramsnonnull();
int pthread_attr_setdetachstate(pthread_attr_t *, int) libcesque paramsnonnull();
int pthread_attr_setguardsize(pthread_attr_t *, size_t) libcesque paramsnonnull();
int pthread_attr_setinheritsched(pthread_attr_t *, int) libcesque paramsnonnull();
int pthread_attr_setschedpolicy(pthread_attr_t *, int) libcesque paramsnonnull();
int pthread_attr_setscope(pthread_attr_t *, int) libcesque paramsnonnull();
int pthread_attr_setstack(pthread_attr_t *, void *, size_t) libcesque paramsnonnull((1));
int pthread_attr_setstacksize(pthread_attr_t *, size_t) libcesque paramsnonnull();
int pthread_attr_setsigaltstack_np(pthread_attr_t *, void *, size_t) libcesque paramsnonnull((1));
int pthread_attr_setsigaltstacksize_np(pthread_attr_t *, size_t);
int pthread_barrier_destroy(pthread_barrier_t *) libcesque paramsnonnull();
int pthread_barrier_init(pthread_barrier_t *, const pthread_barrierattr_t *, unsigned) libcesque paramsnonnull((1));
int pthread_barrier_wait(pthread_barrier_t *) libcesque paramsnonnull();
int pthread_barrierattr_destroy(pthread_barrierattr_t *) libcesque paramsnonnull();
int pthread_barrierattr_getpshared(const pthread_barrierattr_t *, int *) libcesque paramsnonnull();
int pthread_barrierattr_init(pthread_barrierattr_t *) libcesque paramsnonnull();
int pthread_barrierattr_setpshared(pthread_barrierattr_t *, int) libcesque paramsnonnull();
int pthread_cancel(pthread_t) libcesque;
int pthread_cond_broadcast(pthread_cond_t *) libcesque paramsnonnull();
int pthread_cond_destroy(pthread_cond_t *) libcesque paramsnonnull();
int pthread_cond_init(pthread_cond_t *, const pthread_condattr_t *) libcesque paramsnonnull((1));
int pthread_cond_signal(pthread_cond_t *) libcesque paramsnonnull();
int pthread_cond_wait(pthread_cond_t *, pthread_mutex_t *) libcesque paramsnonnull();
int pthread_condattr_init(pthread_condattr_t *) libcesque paramsnonnull();
int pthread_condattr_destroy(pthread_condattr_t *) libcesque paramsnonnull();
int pthread_condattr_setpshared(pthread_condattr_t *, int) libcesque paramsnonnull();
int pthread_condattr_getpshared(const pthread_condattr_t *, int *) libcesque paramsnonnull();
int pthread_condattr_setclock(pthread_condattr_t *, int) libcesque paramsnonnull();
int pthread_condattr_getclock(const pthread_condattr_t *, int *) libcesque paramsnonnull();
int pthread_create(pthread_t *, const pthread_attr_t *, void *(*)(void *), void *) dontthrow paramsnonnull((1));
int pthread_detach(pthread_t) libcesque;
int pthread_equal(pthread_t, pthread_t) libcesque;
int pthread_getattr_np(pthread_t, pthread_attr_t *) libcesque paramsnonnull();
int pthread_getname_np(pthread_t, char *, size_t) libcesque paramsnonnull();
int pthread_getunique_np(pthread_t, pthread_id_np_t *) libcesque paramsnonnull();
int pthread_join(pthread_t, void **) libcesque;
int pthread_key_create(pthread_key_t *, pthread_key_dtor) libcesque paramsnonnull((1));
int pthread_key_delete(pthread_key_t) libcesque;
int pthread_kill(pthread_t, int) libcesque;
int pthread_mutex_consistent(pthread_mutex_t *) libcesque paramsnonnull();
int pthread_mutex_destroy(pthread_mutex_t *) libcesque paramsnonnull();
int pthread_mutex_init(pthread_mutex_t *, const pthread_mutexattr_t *) libcesque paramsnonnull((1));
int pthread_mutex_lock(pthread_mutex_t *) libcesque paramsnonnull();
int pthread_mutex_trylock(pthread_mutex_t *) libcesque paramsnonnull();
int pthread_mutex_unlock(pthread_mutex_t *) libcesque paramsnonnull();
int pthread_mutexattr_destroy(pthread_mutexattr_t *) libcesque paramsnonnull();
int pthread_mutexattr_getpshared(const pthread_mutexattr_t *, int *) libcesque paramsnonnull();
int pthread_mutexattr_gettype(const pthread_mutexattr_t *, int *) libcesque paramsnonnull();
int pthread_mutexattr_init(pthread_mutexattr_t *) libcesque paramsnonnull();
int pthread_mutexattr_setpshared(pthread_mutexattr_t *, int) libcesque paramsnonnull();
int pthread_mutexattr_settype(pthread_mutexattr_t *, int) libcesque paramsnonnull();
int pthread_once(pthread_once_t *, void (*)(void)) paramsnonnull();
int pthread_orphan_np(void) libcesque;
int pthread_decimate_np(void) libcesque;
int pthread_rwlock_destroy(pthread_rwlock_t *) libcesque paramsnonnull();
int pthread_rwlock_init(pthread_rwlock_t *, const pthread_rwlockattr_t *) libcesque paramsnonnull((1));
int pthread_rwlock_rdlock(pthread_rwlock_t *) libcesque paramsnonnull();
int pthread_rwlock_tryrdlock(pthread_rwlock_t *) libcesque paramsnonnull();
int pthread_rwlock_trywrlock(pthread_rwlock_t *) libcesque paramsnonnull();
int pthread_rwlock_unlock(pthread_rwlock_t *) libcesque paramsnonnull();
int pthread_rwlock_wrlock(pthread_rwlock_t *) libcesque paramsnonnull();
int pthread_rwlockattr_destroy(pthread_rwlockattr_t *) libcesque paramsnonnull();
int pthread_rwlockattr_getpshared(const pthread_rwlockattr_t *, int *) libcesque paramsnonnull();
int pthread_rwlockattr_init(pthread_rwlockattr_t *) libcesque paramsnonnull();
int pthread_rwlockattr_setpshared(pthread_rwlockattr_t *, int) libcesque paramsnonnull();
int pthread_setcancelstate(int, int *) libcesque;
int pthread_setcanceltype(int, int *) libcesque;
int pthread_setname_np(pthread_t, const char *) libcesque paramsnonnull();
int pthread_setschedprio(pthread_t, int) libcesque;
int pthread_setspecific(pthread_key_t, const void *) libcesque;
int pthread_spin_destroy(pthread_spinlock_t *) libcesque paramsnonnull();
int pthread_spin_init(pthread_spinlock_t *, int) libcesque paramsnonnull();
int pthread_spin_lock(pthread_spinlock_t *) libcesque paramsnonnull();
int pthread_spin_trylock(pthread_spinlock_t *) libcesque paramsnonnull();
int pthread_spin_unlock(pthread_spinlock_t *) libcesque paramsnonnull();
int pthread_testcancel_np(void) libcesque;
int pthread_tryjoin_np(pthread_t, void **) libcesque;
int pthread_delay_np(const void *, int) libcesque;
int pthread_yield_np(void) libcesque;
int pthread_yield(void) libcesque;
pthread_id_np_t pthread_getthreadid_np(void) libcesque;
pthread_t pthread_self(void) libcesque pureconst;
void *pthread_getspecific(pthread_key_t) libcesque;
void pthread_cleanup_pop(struct _pthread_cleanup_buffer *, int) libcesque paramsnonnull();
void pthread_cleanup_push(struct _pthread_cleanup_buffer *, void (*)(void *), void *) libcesque paramsnonnull((1));
void pthread_exit(void *) libcesque wontreturn;
void pthread_testcancel(void) libcesque;
void pthread_pause_np(void) libcesque;
/* clang-format on */
#define pthread_cleanup_push(routine, arg) \
{ \
struct _pthread_cleanup_buffer _buffer; \
pthread_cleanup_push(&_buffer, (routine), (arg));
#define pthread_cleanup_pop(execute) \
pthread_cleanup_pop(&_buffer, (execute)); \
}
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_THREAD_THREAD_H_ */
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