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https://github.com/drasko/codezero.git
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ce79aa2b73
- Mutex test added. Forked tasks demonstrate produce/consumer using a shared mmap'ed page. - Added l4lib assembler syscall - Added forgotten SWI to mutex control offset in syscall page. - Added mutex head initialization - Contended child successfully sleeps in a waitqueue. Issues: - Somehow the child's produced page buffer is altered at about [4020] offset. Parent fails to validate buffer therefore. - Need to add syncing to test so that parent does not unlock and lock again before child has a chance to lock buffer and produce.
17 lines
343 B
C
17 lines
343 B
C
#ifndef __MUTEX_CONTROL_H__
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#define __MUTEX_CONTROL_H__
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/* Request ids for mutex_control syscall */
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#if defined (__KERNEL__)
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#define MUTEX_CONTROL_LOCK L4_MUTEX_LOCK
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#define MUTEX_CONTROL_UNLOCK L4_MUTEX_UNLOCK
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void init_mutex_queue_head(void);
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#endif
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#define L4_MUTEX_LOCK 0
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#define L4_MUTEX_UNLOCK 1
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#endif /* __MUTEX_CONTROL_H__*/
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