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c53cdbeb95
Make sigaltstack as per-threaded, because per-process sigaltstack state is useless for threaded programs, multiple threads can not share same stack. The alternative signal stack is private for thread, no lock is needed, the orignal P_ALTSTACK is now moved into td_pflags and renamed to TDP_ALTSTACK. For single thread or Linux clone() based threaded program, there is no semantic changed, because those programs only have one kernel thread in every process. which left out SVR4 bits. |
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svr4_genassym.c | ||
svr4_locore.s | ||
svr4_machdep.c | ||
svr4_machdep.h |