[issue8410] Fix emulated lock to be 'fair'

Ronald Oussoren report at bugs.python.org
Sun Apr 18 23:04:47 CEST 2010


Ronald Oussoren <ronaldoussoren at mac.com> added the comment:

W.r.t. "This appears to be the case on Mac OS X": OSX 10.4 and later seem to support posix semaphores, the program below prints "yes":

#include <unistd.h>

int main()
{
#ifdef _POSIX_SEMAPHORES
        printf("yes\n");
#else
        printf("no\n");
#endif
}

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<http://bugs.python.org/issue8410>
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