/[lwip]/lwip/doc/sys_arch.txt
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revision 1.8 by davidhaas, Wed Apr 2 15:21:56 2003 UTC revision 1.9 by jani, Mon May 19 14:41:54 2003 UTC
# Line 63  The following functions must be implemen Line 63  The following functions must be implemen
63    If the timeout argument is non-zero, the return value is the number of    If the timeout argument is non-zero, the return value is the number of
64    milliseconds spent waiting for the semaphore to be signaled. If the    milliseconds spent waiting for the semaphore to be signaled. If the
65    semaphore wasn't signaled within the specified time, the return value is    semaphore wasn't signaled within the specified time, the return value is
66    0xffffffff. If the thread didn't have to wait for the semaphore (i.e., it    SYS_ARCH_TIMEOUT. If the thread didn't have to wait for the semaphore
67    was already signaled), the function may return zero.    (i.e., it was already signaled), the function may return zero.
68    
69    Notice that lwIP implements a function with a similar name,    Notice that lwIP implements a function with a similar name,
70    sys_sem_wait(), that uses the sys_arch_sem_wait() function.    sys_sem_wait(), that uses the sys_arch_sem_wait() function.
# Line 93  The following functions must be implemen Line 93  The following functions must be implemen
93    should be dropped.    should be dropped.
94    
95    The return values are the same as for the sys_arch_sem_wait() function:    The return values are the same as for the sys_arch_sem_wait() function:
96    Number of milliseconds spent waitng or 0xffffffff if there was a timeout.    Number of milliseconds spent waiting or SYS_ARCH_TIMEOUT if there was a
97      timeout.
98    
99    Note that a function with a similar name, sys_mbox_fetch(), is    Note that a function with a similar name, sys_mbox_fetch(), is
100    implemented by lwIP.    implemented by lwIP.

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