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* fix up leftover, incorrect NSIG definitions in arch-specific signal.hRich Felker2012-11-231-1/+0
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* add back NSIG, removed from powerpc in last commit, but for all archsRich Felker2012-11-211-0/+2
| | | | | | | | unlike the previous definition, NSIG/_NSIG is supposed to be one more than the highest signal number. adding this will allow simplifying libc-internal code that makes signal-related syscalls, which can be done as a later step. some apps might use it too; while this usage is questionable, it's at least not insane.
* microblaze portRich Felker2012-09-291-0/+75
based on initial work by rdp, with heavy modifications. some features including threads are untested because qemu app-level emulation seems to be broken and I do not have a proper system image for testing.