164 lines
3.8 KiB
C
164 lines
3.8 KiB
C
#ifndef _DDEKIT_THREAD_H
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#define _DDEKIT_THREAD_H
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/** \defgroup DDEKit_threads */
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#include <ddekit/ddekit.h>
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#include <ddekit/lock.h>
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struct ddekit_thread;
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typedef struct ddekit_thread ddekit_thread_t;
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/** Create thread
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*
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* \ingroup DDEKit_threads
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*
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* Create a new thread running the specified thread function with the specified
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* arguments. The thread is assigned the given internal name.
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*
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* Additionally, DDEKit threads possess a thread-local storage area where they
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* may store arbitrary data.
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*
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* \param fun thread function
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* \param arg optional argument to thread function, set to NULL if not needed
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* \param name internal thread name
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*/
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ddekit_thread_t *ddekit_thread_create(void (*fun)(void *), void *arg,
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const char *name);
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/** Reference to own DDEKit thread id.
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*
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* \ingroup DDEKit_threads
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*/
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ddekit_thread_t *ddekit_thread_myself(void);
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/** Initialize thread with given name.
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*
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* \ingroup DDEKit_threads
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*
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* This function may be used by threads that were not created using
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* \ref ddekit_thread_create. This enables such threads to be handled as if they
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* were DDEKit threads.
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*/
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ddekit_thread_t *ddekit_thread_setup_myself(const char *name);
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/** Get TLS data for a specific thread.
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*
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* \ingroup DDEKit_threads
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*
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* \return Pointer to TLS data of this thread.
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*/
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void *ddekit_thread_get_data(ddekit_thread_t *thread);
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/** Get TLS data for current thread.
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*
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* \ingroup DDEKit_threads
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*
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* Same as calling \ref ddekit_thread_get_data with \ref ddekit_thread_myself
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* as parameter.
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*
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* \return Pointer to TLS data of current thread.
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*/
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void *ddekit_thread_get_my_data(void);
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/** Set TLS data for specific thread.
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*
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* \ingroup DDEKit_threads
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*
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* \param thread DDEKit thread
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* \param data pointer to thread data
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*/
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void ddekit_thread_set_data(ddekit_thread_t *thread, void *data);
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/** Set TLS data for current thread.
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*
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* \ingroup DDEKit_threads
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*
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* \param data pointer to thread data
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*/
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void ddekit_thread_set_my_data(void *data);
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/** Sleep for some miliseconds.
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*
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* \ingroup DDEKit_threads
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*
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* \param msecs time to sleep in ms.
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*/
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void ddekit_thread_msleep(unsigned long msecs);
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/** Sleep for some microseconds.
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*
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* \ingroup DDEKit_threads
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*
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* \param usecs time to sleep in µs.
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*/
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void ddekit_thread_usleep(unsigned long usecs);
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/** Sleep for some nanoseconds.
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*
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* \ingroup DDEKit_threads
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*
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* \param usecs time to sleep in ns.
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*/
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void ddekit_thread_nsleep(unsigned long nsecs);
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/** Sleep until a lock becomes unlocked.
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*
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* \ingroup DDEKit_threads
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*/
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void ddekit_thread_sleep(ddekit_lock_t *lock);
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/** Wakeup a waiting thread.
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*
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* \ingroup DDEKit_threads
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*/
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void ddekit_thread_wakeup(ddekit_thread_t *thread);
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/** Terminate a thread
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*
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* \ingroup DDEKit_threads
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*/
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void ddekit_thread_exit(void) __attribute__((noreturn));
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/** Terminate a thread
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*
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* \ingroup DDEKit_threads
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*/
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void ddekit_thread_terminate(ddekit_thread_t *thread);
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/** Get the name, a thread registered with DDEKit.
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*
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* \ingroup DDEKit_threads
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*/
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const char *ddekit_thread_get_name(ddekit_thread_t *thread);
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/** Get unique ID of a DDEKit thread.
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*
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* \ingroup DDEKit_threads
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*
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* DDEKit does not allow direct access to the thread data
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* structure, since this struct contains L4-specific data types.
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* However, applications might want to get some kind of ID related
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* to a ddekit_thread, for instance to use it as a Linux-like PID.
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*/
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int ddekit_thread_get_id(ddekit_thread_t *thread);
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/** Hint that this thread is done and may be scheduled somehow.
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*
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* \ingroup DDEKit_threads
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*/
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void ddekit_thread_schedule(void);
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/** Hint that this thread is done and may be scheduled somehow.
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*
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* \ingroup DDEKit_threads
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*/
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void ddekit_yield(void);
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/** Initialize DDEKit thread subsystem.
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*
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* \ingroup DDEKit_threads
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*/
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void ddekit_init_threads(void);
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#endif
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