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New NOTIFY system call! Queued at kernel. Duplicate messages (with same source

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and type) are overwritten with newer flags/ arguments. The interface from
within the kernel is lock_notify(). User processes can make a system call with
notify(). NOTIFY fully replaces the old notification mechanism.
This commit is contained in:
Jorrit Herder
2005-05-24 10:06:17 +00:00
parent 80e38daead
commit ccd17ecfed
22 changed files with 304 additions and 377 deletions
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8
kernel/proto.h
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@@ -38,16 +38,18 @@ _PROTOTYPE( void stop_sequence, (struct timer *tp) );
/* misc.c */
_PROTOTYPE( void panic, (_CONST char *s, int n) );
_PROTOTYPE( int alloc_bit, (bitchunk_t *map, bit_t nr_bits) );
_PROTOTYPE( void free_bit, (bit_t nr, bitchunk_t *map, bit_t nr_bits) );
_PROTOTYPE( void print_bitmap, (bitchunk_t *map, bit_t nr_bits) );
/* proc.c */
_PROTOTYPE( int sys_call, (int function, int src_dest, message *m_ptr) );
_PROTOTYPE( void unhold, (void) );
_PROTOTYPE( int lock_notify, (int src, int dst, message *m_ptr) );
_PROTOTYPE( int lock_send, (int src, int dst, message *m_ptr) );
_PROTOTYPE( void lock_pick_proc, (void) );
_PROTOTYPE( void lock_ready, (struct proc *rp) );
_PROTOTYPE( void lock_sched, (void) );
_PROTOTYPE( void lock_unready, (struct proc *rp) );
_PROTOTYPE( void lock_notify, (int proc_nr, int notify_type) );
_PROTOTYPE( int lock_send, (struct proc *rp, int to, message *m_ptr) );
/* start.c */
_PROTOTYPE( void cstart, (U16_t cs, U16_t ds, U16_t mds,