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LibPthread: Start working on a POSIX threading library
This patch adds pthread_create() and pthread_exit(), which currently simply wrap our existing create_thread() and exit_thread() syscalls. LibThread is also ported to using LibPthread.
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16 changed files with 89 additions and 31 deletions
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#pragma once
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#include <sched.h>
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#include <sys/cdefs.h>
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__BEGIN_DECLS
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typedef void* pthread_t;
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typedef void* pthread_key_t;
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typedef void* pthread_once_t;
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typedef void* pthread_mutex_t;
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typedef void* pthread_attr_t;
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typedef void* pthread_mutexattr_t;
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typedef void* pthread_cond_t;
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typedef void* pthread_spinlock_t;
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typedef void* pthread_condattr_t;
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int pthread_create(pthread_t, pthread_attr_t*, void* (*)(void*), void*);
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void pthread_exit(void*);
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int pthread_kill(pthread_t, int);
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void pthread_cleanup_push(void (*)(void*), void*);
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void pthread_cleanup_pop(int);
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int pthread_join(pthread_t, void**);
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int pthread_mutex_lock(pthread_mutex_t*);
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int pthread_mutex_trylock(pthread_mutex_t* mutex);
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int pthread_mutex_unlock(pthread_mutex_t*);
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int pthread_mutex_init(pthread_mutex_t*, const pthread_mutexattr_t*);
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int pthread_mutex_destroy(pthread_mutex_t*);
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int pthread_attr_init(pthread_attr_t*);
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int pthread_attr_destroy(pthread_attr_t*);
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int pthread_once(pthread_once_t*, void (*)(void));
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#define PTHREAD_ONCE_INIT 0
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pthread_once_t once_control = PTHREAD_ONCE_INIT;
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void* pthread_getspecific(pthread_key_t key);
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int pthread_setspecific(pthread_key_t key, const void* value);
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#define PTHREAD_MUTEX_NORMAL 0
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#define PTHREAD_MUTEX_RECURSIVE 1
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#define PTHREAD_MUTEX_INITIALIZER 0
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#define PTHREAD_COND_INITIALIZER 0
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int pthread_key_create(pthread_key_t* key, void (*destructor)(void*));
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int pthread_key_delete(pthread_key_t key);
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int pthread_cond_broadcast(pthread_cond_t*);
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int pthread_cond_init(pthread_cond_t*, const pthread_condattr_t*);
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int pthread_cond_signal(pthread_cond_t*);
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int pthread_cond_wait(pthread_cond_t*, pthread_mutex_t*);
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int pthread_condattr_destroy(pthread_condattr_t*);
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int pthread_cancel(pthread_t);
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void pthread_cleanup_push(void (*)(void*), void*);
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void pthread_cleanup_pop(int);
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int pthread_cond_broadcast(pthread_cond_t*);
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int pthread_cond_destroy(pthread_cond_t*);
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int pthread_cond_timedwait(pthread_cond_t*, pthread_mutex_t*, const struct timespec*);
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int pthread_cond_wait(pthread_cond_t*, pthread_mutex_t*);
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int pthread_condattr_destroy(pthread_condattr_t*);
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void pthread_testcancel(void);
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int pthread_spin_destroy(pthread_spinlock_t*);
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int pthread_spin_init(pthread_spinlock_t*, int);
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int pthread_spin_lock(pthread_spinlock_t*);
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int pthread_spin_trylock(pthread_spinlock_t*);
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int pthread_spin_unlock(pthread_spinlock_t*);
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int pthread_cond_destroy(pthread_cond_t*);
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pthread_t pthread_self(void);
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int pthread_detach(pthread_t);
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int pthread_equal(pthread_t, pthread_t);
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void pthread_exit(void*);
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int pthread_mutexattr_init(pthread_mutexattr_t*);
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int pthread_mutexattr_settype(pthread_mutexattr_t*, int);
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int pthread_mutexattr_destroy(pthread_mutexattr_t*);
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__END_DECLS
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@ -1,5 +1,5 @@
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#include <AK/String.h>
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#include <AK/ScopedValueRollback.h>
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#include <AK/String.h>
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#include <AK/Vector.h>
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#include <Kernel/Syscall.h>
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#include <assert.h>
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@ -540,13 +540,13 @@ char* getlogin()
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return nullptr;
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}
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int create_thread(int (*entry)(void*), void* argument)
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int create_thread(void *(*entry)(void*), void* argument)
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{
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int rc = syscall(SC_create_thread, entry, argument);
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__RETURN_WITH_ERRNO(rc, rc, -1);
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}
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void exit_thread(int code)
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void exit_thread(void* code)
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{
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syscall(SC_exit_thread, code);
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ASSERT_NOT_REACHED();
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int rc = syscall(SC_get_process_name, buffer, buffer_size);
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__RETURN_WITH_ERRNO(rc, rc, -1);
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}
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}
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@ -36,8 +36,8 @@ void sysbeep();
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int systrace(pid_t);
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int gettid();
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int donate(int tid);
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int create_thread(int (*)(void*), void*);
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void exit_thread(int);
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int create_thread(void *(*)(void*), void* argument);
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void exit_thread(void*);
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int create_shared_buffer(int, void** buffer);
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int share_buffer_with(int, pid_t peer_pid);
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int share_buffer_globally(int);
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