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Kernel+LibPthread: pthread_create handles pthread_attr_t

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Add an initial implementation of pthread attributes for:
  * detach state (joinable, detached)
  * schedule params (just priority)
  * guard page size (as skeleton) (requires kernel support maybe?)
  * stack size and user-provided stack location (4 or 8 MB only, must be aligned)

Add some tests too, to the thread test program.

Also, LibC: Move pthread declarations to sys/types.h, where they belong.
This commit is contained in:
Andrew Kaster 2019-11-17 20:08:10 -07:00 • committed by Andreas Kling
parent aae26a3a1e
commit 618aebdd8a
9 changed files with 596 additions and 23 deletions
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30
Libraries/LibPthread/pthread.h
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@ -3,19 +3,10 @@
#include <sched.h>
#include <stdint.h>
#include <sys/cdefs.h>
#include <sys/types.h>
__BEGIN_DECLS
typedef int pthread_t;
typedef void* pthread_key_t;
typedef void* pthread_once_t;
typedef uint32_t pthread_mutex_t;
typedef void* pthread_attr_t;
typedef void* pthread_mutexattr_t;
typedef void* pthread_cond_t;
typedef void* pthread_spinlock_t;
typedef void* pthread_condattr_t;
int pthread_create(pthread_t*, pthread_attr_t*, void* (*)(void*), void*);
void pthread_exit(void*);
int pthread_kill(pthread_t, int);
@ -27,9 +18,28 @@ int pthread_mutex_trylock(pthread_mutex_t* mutex);
int pthread_mutex_unlock(pthread_mutex_t*);
int pthread_mutex_init(pthread_mutex_t*, const pthread_mutexattr_t*);
int pthread_mutex_destroy(pthread_mutex_t*);
int pthread_attr_init(pthread_attr_t*);
int pthread_attr_destroy(pthread_attr_t*);
#define PTHREAD_CREATE_JOINABLE 0
#define PTHREAD_CREATE_DETACHED 1
int pthread_attr_getdetachstate(const pthread_attr_t*, int*);
int pthread_attr_setdetachstate(pthread_attr_t*, int);
int pthread_attr_getguardsize(const pthread_attr_t*, size_t*);
int pthread_attr_setguardsize(pthread_attr_t*, size_t);
int pthread_attr_getschedparam(const pthread_attr_t*, struct sched_param*);
int pthread_attr_setschedparam(pthread_attr_t*, const struct sched_param*);
int pthread_attr_getstack(const pthread_attr_t*, void**, size_t*);
int pthread_attr_setstack(pthread_attr_t* attr, void*, size_t);
int pthread_attr_getstacksize(const pthread_attr_t*, size_t*);
int pthread_attr_setstacksize(pthread_attr_t*, size_t);
int pthread_once(pthread_once_t*, void (*)(void));
#define PTHREAD_ONCE_INIT 0
void* pthread_getspecific(pthread_key_t key);