Copy head@r302406 to stable/11 as part of the 11.0-RELEASE cycle.Prune svn:mergeinfo from the new branch, as nothing has been mergedhere.Additional commits post-branch will follow.Approved by: re (implicit)Sponsored by: The FreeBSD Foundation
Rename siglongjmp() to __siglongjmp(), with a weak alias to siglongjmp(),like the other architectures do.
Use __FBSDID.
Fix a bug where siglongjmp would clobber the argument to return fromsigsetjmp. It would return the value of the signal flag, instead.Pointy hat to: jake
Use jmpbuf offsets, not ucontext_t.
Add more libc stuff.Obtained from: netbsd