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* syscall overhaul part two - unify public and internal syscall interfaceRich Felker2011-03-191-1/+1
| | | | | | | | | | | | | | | | with this patch, the syscallN() functions are no longer needed; a variadic syscall() macro allows syscalls with anywhere from 0 to 6 arguments to be made with a single macro name. also, manually casting each non-integer argument with (long) is no longer necessary; the casts are hidden in the macros. some source files which depended on being able to define the old macro SYSCALL_RETURNS_ERRNO have been modified to directly use __syscall() instead of syscall(). references to SYSCALL_SIGSET_SIZE and SYSCALL_LL have also been changed. x86_64 has not been tested, and may need a follow-up commit to fix any minor bugs/oversights.
* make sigtimedwait a cancellation pointRich Felker2011-03-101-0/+3
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* don't fail with EINTR in sigtimedwaitRich Felker2011-03-101-6/+6
| | | | | POSIX allows either behavior, but sigwait is not allowed to fail with EINTR, so the retry loop would have to be in one or the other anyway.
* initial check-in, version 0.5.0 v0.5.0Rich Felker2011-02-121-0/+12