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

test/libc/intrin/describesigset_test.c

@@ -18,6 +18,7 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/calls/struct/sigset.h"
 #include "libc/calls/struct/sigset.internal.h"
+#include "libc/dce.h"
 #include "libc/intrin/describeflags.internal.h"
 #include "libc/sysv/consts/sig.h"
 #include "libc/testlib/testlib.h"
@@ -25,7 +26,7 @@
 TEST(DescribeSigset, full) {
   sigset_t ss;
   sigfillset(&ss);
-  EXPECT_STREQ("~{}", DescribeSigset(0, &ss));
+  EXPECT_STREQ("~{ABRT,KILL,STOP}", DescribeSigset(0, &ss));
 }
 
 TEST(DescribeSigset, present) {
@@ -41,5 +42,9 @@ TEST(DescribeSigset, absent) {
   sigfillset(&ss);
   sigdelset(&ss, SIGINT);
   sigdelset(&ss, SIGUSR1);
-  EXPECT_STREQ("~{INT,USR1}", DescribeSigset(0, &ss));
+  if (IsBsd()) {
+    EXPECT_STREQ("~{INT,ABRT,KILL,STOP,USR1}", DescribeSigset(0, &ss));
+  } else {
+    EXPECT_STREQ("~{INT,ABRT,KILL,USR1,STOP}", DescribeSigset(0, &ss));
+  }
 }