Desktop/xinu_mips-1.0.2.tar/xinu_mips-1.0.2/system/scount.c File Reference

#include <kernel.h>
#include <semaphore.h>

Include dependency graph for scount.c:

Go to the source code of this file.

Functions
syscall	scount (semaphore sem)

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Detailed Description

scount

Id

scount.c 226 2007-07-12 01:18:27Z mschul

Definition in file scount.c.

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Function Documentation

syscall scount

(

semaphore

sem

)

scount - return a semaphore count

Parameters:

sem

id of semaphore to query

Returns:

count from semtab entry on success, SYSERR on failure

Definition at line 17 of file scount.c.

References isbadsem, semtab, and SYSERR.

Referenced by uartRead(), and uartWrite().