[PATCH] Cygwin: signal.cc: Include <unistd.h>

[Sebastian Huber]

On 12/05/2022 10:14, Corinna Vinschen wrote:
>>   sleep (unsigned int seconds)
>>   {
>>     struct timespec req, rem;
>> @@ -174,7 +175,7 @@ sleep (unsigned int seconds)
>>     return 0;
>>   }
>>   
>> -extern "C" unsigned int
>> +int
>>   usleep (useconds_t useconds)
> Good catch, otherwise, thank you!  I'd prefer if you push just the
> type change and keep the extern "C" as a marker for exported functions.

Ok, what about the unistd.h include?

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