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- 0.5.0 - initial release
- 0.5.9 - signal ABI bugfix, various cleanup and fixes:
- sigset_t was wrongly defined as 1024 bytes instead of 1024 bits,
- breaking the intended ABI compatibility with the LSB/glibc sigaction
- structure. users should upgrade immediately and rebuild any libraries
- or object files that might be using the incorrect definitions.
- improved security against DoS with tcb shadow passwords by checking
- that the file opened was really an ordinary file.
- fixed a bug in the implementation of atomic ops that could have
- allowed the compiler to incorrectly reorder them (in practice, gcc
- with the default settings on i386 was not reordering them).
- greatly improved conformance to the C and POSIX standards regarding
- what the standard header files make visible. _POSIX_C_SOURCE is now
- needed to get POSIX functions in standard C headers, and _XOPEN_SOURCE
- or _GNU_SOURCE are required to get XSI interfaces or GNU extensions,
- respectively.
- many internal improvements have been made to the syscall-related code
- in preparation for porting to x86_64 and other archs.
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