Make fixes and improvements

- Invent iso8601us() for faster timestamps
- Improve --strace descriptions of sigset_t
- Rebuild the Landlock Make bootstrap binary
- Introduce MODE=sysv for non-Windows builds
- Permit OFD fcntl() locks under pledge(flock)
- redbean can now protect your kernel from ddos
- Have vfork() fallback to sys_fork() not fork()
- Change kmalloc() to not die when out of memory
- Improve documentation for some termios functions
- Rewrite putenv() and friends to conform to POSIX
- Fix linenoise + strace verbosity issue on Windows
- Fix regressions in our ability to show backtraces
- Change redbean SetHeader() to no-op if value is nil
- Improve fcntl() so SQLite locks work in non-WAL mode
- Remove some unnecessary work during fork() on Windows
- Create redbean-based SSL reverse proxy for IPv4 TurfWar
- Fix ape/apeinstall.sh warning when using non-bash shells
- Add ProgramTrustedIp(), and IsTrustedIp() APIs to redbean
- Support $PWD, $UID, $GID, and $EUID in command interpreter
- Introduce experimental JTqFpD APE prefix for non-Windows builds
- Invent blackhole daemon for firewalling IP addresses via UNIX named socket
- Add ProgramTokenBucket(), AcquireToken(), and CountTokens() APIs to redbean

libc/calls/sigenter-openbsd.c

@@ -49,8 +49,8 @@ privileged void __sigenter_openbsd(int sig, struct siginfo_openbsd *openbsdinfo,
       __repstosb(&g.uc, 0, sizeof(g.uc));
       __siginfo2cosmo(&g.si, (void *)openbsdinfo);
       g.uc.uc_mcontext.fpregs = &g.uc.__fpustate;
-      __repmovsb(&g.uc.uc_sigmask, &ctx->sc_mask,
-                 MIN(sizeof(g.uc.uc_sigmask), sizeof(ctx->sc_mask)));
+      g.uc.uc_sigmask.__bits[0] = ctx->sc_mask;
+      g.uc.uc_sigmask.__bits[1] = 0;
       g.uc.uc_mcontext.rdi = ctx->sc_rdi;
       g.uc.uc_mcontext.rsi = ctx->sc_rsi;
       g.uc.uc_mcontext.rdx = ctx->sc_rdx;