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Updated sys_arch documentation to make new timeouts clearer.

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davidhaas 2003-04-02 15:21:56 +00:00
parent 21d17e41fd
commit dbad0d5723
1 changed files with 2 additions and 4 deletions
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6
doc/sys_arch.txt
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@ -92,10 +92,8 @@ The following functions must be implemented by the sys_arch:
ptr"). The "msg" parameter maybe NULL to indicate that the message
should be dropped.
The return values are the same as for the sys_arch_sem_wait()
function and the function must not return zero even if a message was
present in the mailbox and the time spent waiting was zero
milliseconds.
The return values are the same as for the sys_arch_sem_wait() function:
Number of milliseconds spent waitng or 0xffffffff if there was a timeout.
Note that a function with a similar name, sys_mbox_fetch(), is
implemented by lwIP.