diff --git a/examples/statfs.c b/examples/statfs.c
index b22950961..1c5560dca 100644
--- a/examples/statfs.c
+++ b/examples/statfs.c
@@ -27,13 +27,13 @@ dontinline void ShowIt(const char *path) {
          "optimal transfer block size");
   sizefmt(ibuf, sf.f_frsize, 1024);
   printf("f_frsize  = %,zu (%sb %s)\n", sf.f_frsize, ibuf, "fragment size");
-  sizefmt(ibuf, sf.f_blocks * sf.f_bsize, 1024);
+  sizefmt(ibuf, sf.f_blocks * sf.f_frsize, 1024);
   printf("f_blocks  = %,zu (%sb %s)\n", sf.f_blocks, ibuf,
          "total data blocks in filesystem");
-  sizefmt(ibuf, sf.f_bfree * sf.f_bsize, 1024);
+  sizefmt(ibuf, sf.f_bfree * sf.f_frsize, 1024);
   printf("f_bfree   = %,zu (%sb %s)\n", sf.f_bfree, ibuf,
          "free blocks in filesystem");
-  sizefmt(ibuf, sf.f_bavail * sf.f_bsize, 1024);
+  sizefmt(ibuf, sf.f_bavail * sf.f_frsize, 1024);
   printf("f_bavail  = %,zu (%sb %s)\n", sf.f_bavail, ibuf,
          "free blocks available to use");
   printf("f_files   = %,zu (%s)\n", sf.f_files,
diff --git a/libc/calls/statfs2cosmo.c b/libc/calls/statfs2cosmo.c
index 4494d8f4b..729fd7fc7 100644
--- a/libc/calls/statfs2cosmo.c
+++ b/libc/calls/statfs2cosmo.c
@@ -184,6 +184,10 @@ static const char *DescribeStatfsTypeLinux(int64_t x) {
       return "xfs";
     case 0x012fd16d:
       return "_xiafs";
+    case 0x2fc12fc1:
+      return "zfs";
+    case 0x4253584e:
+      return "apfs";
     default:
       return "unknown";
   }
@@ -222,7 +226,7 @@ void statfs2cosmo(struct statfs *f, const union statfs_meta *m) {
 
   } else if (IsFreebsd()) {
     f_type = m->freebsd.f_type;
-    f_bsize = m->freebsd.f_bsize;
+    f_bsize = m->freebsd.f_iosize;
     f_blocks = m->freebsd.f_blocks;
     f_bfree = m->freebsd.f_bfree;
     f_bavail = m->freebsd.f_bavail;
@@ -237,14 +241,14 @@ void statfs2cosmo(struct statfs *f, const union statfs_meta *m) {
 
   } else if (IsXnu()) {
     f_type = m->xnu.f_type;
-    f_bsize = m->xnu.f_bsize;
+    f_bsize = m->xnu.f_iosize;
     f_blocks = m->xnu.f_blocks;
     f_bfree = m->xnu.f_bfree;
     f_bavail = m->xnu.f_bavail;
     f_files = m->xnu.f_files;
     f_ffree = m->xnu.f_ffree;
     f_fsid = m->xnu.f_fsid;
-    f_namelen = 4096;
+    f_namelen = 255;
     f_frsize = m->xnu.f_bsize;
     f_flags = m->xnu.f_flags;
     f_owner = m->xnu.f_owner;
@@ -252,7 +256,7 @@ void statfs2cosmo(struct statfs *f, const union statfs_meta *m) {
 
   } else if (IsOpenbsd()) {
     f_type = f->f_type;
-    f_bsize = m->openbsd.f_bsize;
+    f_bsize = m->openbsd.f_iosize;
     f_blocks = m->openbsd.f_blocks;
     f_bfree = m->openbsd.f_bfree;
     f_bavail = m->openbsd.f_bavail;
@@ -267,7 +271,7 @@ void statfs2cosmo(struct statfs *f, const union statfs_meta *m) {
 
   } else if (IsNetbsd()) {
     f_type = m->netbsd.f_type;
-    f_bsize = m->netbsd.f_bsize;
+    f_bsize = m->netbsd.f_iosize;
     f_blocks = m->netbsd.f_blocks;
     f_bfree = m->netbsd.f_bfree;
     f_bavail = m->netbsd.f_bavail;
diff --git a/libc/calls/struct/statfs-linux.internal.h b/libc/calls/struct/statfs-linux.internal.h
index 90839dce9..3e14247d1 100644
--- a/libc/calls/struct/statfs-linux.internal.h
+++ b/libc/calls/struct/statfs-linux.internal.h
@@ -9,7 +9,7 @@ struct statfs_linux {
   int64_t f_bsize;   /* optimal transfer block size */
   int64_t f_blocks;  /* total data blocks in filesystem */
   int64_t f_bfree;   /* free blocks in filesystem */
-  int64_t f_bavail;  /* free blocks available to */
+  int64_t f_bavail;  /* free blocks available to unprivileged user */
   int64_t f_files;   /* total file nodes in filesystem */
   int64_t f_ffree;   /* free file nodes in filesystem */
   fsid_t f_fsid;     /* filesystem id */
diff --git a/libc/runtime/printargs.c b/libc/runtime/printargs.c
index 91fa33232..d42664377 100644
--- a/libc/runtime/printargs.c
+++ b/libc/runtime/printargs.c
@@ -19,6 +19,7 @@
 #include "libc/calls/calls.h"
 #include "libc/calls/struct/rlimit.h"
 #include "libc/calls/struct/sched_param.h"
+#include "libc/calls/struct/sigaction.h"
 #include "libc/calls/struct/sigset.h"
 #include "libc/calls/struct/termios.h"
 #include "libc/calls/struct/utsname.h"
@@ -166,6 +167,7 @@ textstartup void __printargs(const char *prologue) {
   uintptr_t *auxp;
   struct rlimit rlim;
   struct utsname uts;
+  struct sigaction sa;
   struct sched_param sp;
   struct termios termios;
   struct AuxiliaryValue *auxinfo;
@@ -288,7 +290,7 @@ textstartup void __printargs(const char *prologue) {
 
   if (!sigprocmask(SIG_BLOCK, 0, &ss)) {
     PRINT("");
-    PRINT("SIGNALS {%#lx, %#lx}", ss.__bits[0], ss.__bits[1]);
+    PRINT("SIGNAL MASK {%#lx, %#lx}", ss.__bits[0], ss.__bits[1]);
     if (ss.__bits[0] || ss.__bits[1]) {
       for (i = 0; i < 32; ++i) {
         if (ss.__bits[0] & (1u << i)) {
@@ -304,6 +306,23 @@ textstartup void __printargs(const char *prologue) {
     PRINT("  error: sigprocmask() failed %m");
   }
 
+  PRINT("");
+  PRINT("SIGNALS");
+  for (gotsome = 0, i = 1; i <= 64; ++i) {
+    if (!sigaction(i, 0, &sa)) {
+      if (sa.sa_handler == SIG_IGN) {
+        PRINT(" ☼ %G is SIG_IGN", i);
+        gotsome = 1;
+      } else if (sa.sa_handler != SIG_DFL) {
+        PRINT(" ☼ %G is %p", i, sa.sa_handler);
+        gotsome = 1;
+      }
+    }
+  }
+  if (!gotsome) {
+    PRINT(" ☼ SIG_DFL");
+  }
+
   if (PLEDGED(PROC)) {
     PRINT("");
     PRINT("SCHEDULER");
@@ -419,10 +438,21 @@ textstartup void __printargs(const char *prologue) {
 
   PRINT("");
   PRINT("TERMIOS");
-  for (i = 0; i < 2; ++i) {
+  for (i = 0; i <= 2; ++i) {
     if (!tcgetattr(i, &termios)) {
-      PRINT("  - stdin");
+      struct winsize ws;
+      if (i == 0) {
+        PRINT("  - stdin");
+      } else if (i == 1) {
+        PRINT("  - stdout");
+      } else {
+        PRINT("  - stderr");
+      }
       kprintf(prologue);
+      if (!tcgetwinsize(i, &ws)) {
+        kprintf("    ws_row = %d\n", ws.ws_row);
+        kprintf("    ws_col = %d\n", ws.ws_col);
+      }
       kprintf("    c_iflag =");
       if (termios.c_iflag & IGNBRK) kprintf(" IGNBRK");
       if (termios.c_iflag & BRKINT) kprintf(" BRKINT");
diff --git a/libc/sock/struct/ifconf.h b/libc/sock/struct/ifconf.h
index 792444c9f..c51833d3c 100644
--- a/libc/sock/struct/ifconf.h
+++ b/libc/sock/struct/ifconf.h
@@ -11,7 +11,8 @@ COSMOPOLITAN_C_START_
  * must know all networks accessible).
  */
 struct ifconf {
-  uint64_t ifc_len; /* size of buffer   */
+  int32_t ifc_len; /* size of buffer */
+  int32_t padding;
   union {
     char *ifcu_buf;
     struct ifreq *ifcu_req;
diff --git a/libc/sysv/syscalls.sh b/libc/sysv/syscalls.sh
index 44d6da896..3a4730fb5 100755
--- a/libc/sysv/syscalls.sh
+++ b/libc/sysv/syscalls.sh
@@ -64,9 +64,9 @@ scall	sys_sched_yield		0x15e12a14bf25d018	globl hidden # select() on XNU (previo
 scall	__sys_mremap		0x19bffffffffff019	globl hidden
 scall	sys_mincore		0x04e04e04e204e01b	globl hidden
 scall	sys_madvise		0x04b04b04b204b01c	globl hidden
-scall	sys_shmget		0x0e71210e7210901d	globl # no wrapper; consider mmap
-scall	sys_shmat		0x0e40e40e4210601e	globl # no wrapper; consider mmap
-scall	sys_shmctl		0x1bb128200210701f	globl # no wrapper; consider mmap
+scall	sys_shmget		0x0e71210e7210901d	globl # no wrapper
+scall	sys_shmat		0x0e40e40e4210601e	globl # no wrapper
+scall	sys_shmctl		0x1bb128200210701f	globl # no wrapper
 scall	sys_dup			0x0290290292029020	globl hidden
 scall	sys_dup2		0x05a05a05a205a021	globl hidden
 scall	sys_pause		0xfffffffffffff022	globl hidden
@@ -107,14 +107,14 @@ scall	sys_futex_cp		0x8a68539c6ffff8ca	globl hidden # intended for futex wait op
 scall	sys_set_robust_list	0x0a7ffffffffff111	globl # no wrapper
 scall	sys_get_robust_list	0x0a8ffffffffff112	globl # no wrapper
 scall	sys_uname		0x0a4fff0a4ffff03f	globl hidden
-scall	sys_semget		0x0dd0dd0dd20ff040	globl # no wrapper; won't polyfill for windows
-scall	sys_semop		0x0de1220de2100041	globl # no wrapper; won't polyfill for windows
-scall	sys_semctl		0xfff1271fe20fe042	globl # no wrapper; won't polyfill for windows
-scall	sys_shmdt		0x0e60e60e62108043	globl # no wrapper; won't polyfill for windows
-scall	sys_msgget		0x0e10e10e12103044	globl # no wrapper; won't polyfill for windows
-scall	sys_msgsnd		0x8e28e28e22904845	globl # no wrapper; won't polyfill for windows
-scall	sys_msgrcv		0x8e38e38e32905846	globl # no wrapper; won't polyfill for windows
-scall	sys_msgctl		0x1bc1291ff2102047	globl # no wrapper; won't polyfill for windows
+scall	sys_semget		0x0dd0dd0dd20ff040	globl # no wrapper
+scall	sys_semop		0x0de1220de2100041	globl # no wrapper
+scall	sys_semctl		0xfff1271fe20fe042	globl # no wrapper
+scall	sys_shmdt		0x0e60e60e62108043	globl # no wrapper
+scall	sys_msgget		0x0e10e10e12103044	globl # no wrapper
+scall	sys_msgsnd		0x8e28e28e22904845	globl # no wrapper
+scall	sys_msgrcv		0x8e38e38e32905846	globl # no wrapper
+scall	sys_msgctl		0x1bc1291ff2102047	globl # no wrapper
 scall	__sys_fcntl		0x05c05c05c205c048	globl hidden
 scall	__sys_fcntl_cp		0x85c85c85c285c848	globl hidden # intended for F_SETLKW and F_OFD_SETLKW
 scall	sys_flock		0x8838838832883849	globl hidden
@@ -282,7 +282,7 @@ scall	sys_request_key		0xfffffffffffff0f9	globl # no wrapper
 scall	sys_keyctl		0xfffffffffffff0fa	globl # no wrapper
 scall	ioprio_set		0xfffffffffffff0fb	globl
 scall	ioprio_get		0xfffffffffffff0fc	globl
-scall	sys_inotify_init	0xfffffffffffff0fd	globl # wicked # no wrapper
+scall	sys_inotify_init	0xfffffffffffff0fd	globl # no wrapper
 scall	sys_inotify_add_watch	0xfffffffffffff0fe	globl # no wrapper
 scall	sys_inotify_rm_watch	0xfffffffffffff0ff	globl # no wrapper
 scall	__sys_openat		0x9d49419f329cf901	globl hidden # Linux 2.6.16+ (c. 2007)
@@ -323,13 +323,13 @@ scall	sys_epoll_create1	0xfffffffffffff123	globl hidden
 scall	sys_perf_event_open	0xfffffffffffff12a	globl # no wrapper
 scall	sys_inotify_init1	0xfffffffffffff126	globl # no wrapper
 scall	sys_rt_tgsigqueueinfo	0xfffffffffffff129	globl # no wrapper
-scall	sys_signalfd		0xfffffffffffff11a	globl # won't polyfill; see INTON/INTOFF tutorial in examples/unbourne.c
-scall	sys_signalfd4		0xfffffffffffff121	globl # won't polyfill; see INTON/INTOFF tutorial in examples/unbourne.c
-scall	sys_eventfd		0xfffffffffffff11c	globl # won't polyfill; see INTON/INTOFF tutorial in examples/unbourne.c
-scall	sys_eventfd2		0xfffffffffffff122	globl # won't polyfill; see INTON/INTOFF tutorial in examples/unbourne.c
-scall	sys_timerfd_create	0xfffffffffffff11b	globl # won't polyfill; see INTON/INTOFF tutorial in examples/unbourne.c
-scall	sys_timerfd_settime	0xfffffffffffff11e	globl # won't polyfill; see INTON/INTOFF tutorial in examples/unbourne.c
-scall	sys_timerfd_gettime	0xfffffffffffff11f	globl # won't polyfill; see INTON/INTOFF tutorial in examples/unbourne.c
+scall	sys_signalfd		0xfffffffffffff11a	globl # no wrapper
+scall	sys_signalfd4		0xfffffffffffff121	globl # no wrapper
+scall	sys_eventfd		0xfffffffffffff11c	globl # no wrapper
+scall	sys_eventfd2		0xfffffffffffff122	globl # no wrapper
+scall	sys_timerfd_create	0xfffffffffffff11b	globl # no wrapper
+scall	sys_timerfd_settime	0xfffffffffffff11e	globl # no wrapper
+scall	sys_timerfd_gettime	0xfffffffffffff11f	globl # no wrapper
 #──────────────────────RHEL 6.0 LIMIT──────────────────────── # ←┬─ modern glibc needs rhel6+ c. 2011
 scall	sys_recvmmsg		0x1dbffffffffff12b	globl #  ├─ end of life 2024-06-30 (extended)
 scall	sys_fanotify_init	0xfffffffffffff12c	globl #  ├─ last distro with the original gnome desktop
diff --git a/libc/testlib/benchrunner.c b/libc/testlib/benchrunner.c
index 658ab9b49..f5a6c171f 100644
--- a/libc/testlib/benchrunner.c
+++ b/libc/testlib/benchrunner.c
@@ -23,7 +23,9 @@
 #include "libc/log/log.h"
 #include "libc/nexgen32e/x86feature.h"
 #include "libc/runtime/runtime.h"
+#include "libc/sysv/consts/f.h"
 #include "libc/sysv/consts/mlock.h"
+#include "libc/sysv/consts/o.h"
 #include "libc/testlib/testlib.h"
 
 double g_avx2_juiceup_doubles_[4] forcealign(32);
@@ -47,6 +49,15 @@ void testlib_benchwarmup(void) {
   }
 }
 
+void EnableCruiseControlForCool(void) {
+  int fd, micros = 10;
+  if ((fd = open("/dev/cpu_dma_latency", O_WRONLY)) != -1) {
+    write(fd, &micros, sizeof(micros));
+    fcntl(fd, F_DUPFD_CLOEXEC, 123);
+    close(fd);
+  }
+}
+
 /**
  * Runs all benchmark functions in sorted order.
  *
@@ -55,5 +66,6 @@ void testlib_benchwarmup(void) {
 void testlib_runallbenchmarks(void) {
   int e;
   __log_level = kLogWarn;
+  EnableCruiseControlForCool();
   testlib_runtestcases(__bench_start, __bench_end, testlib_benchwarmup);
 }
diff --git a/libc/thread/sem_path_np.c b/libc/thread/sem_path_np.c
index 3d2739903..34b86f264 100644
--- a/libc/thread/sem_path_np.c
+++ b/libc/thread/sem_path_np.c
@@ -16,6 +16,7 @@
 │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
+#include "libc/calls/calls.h"
 #include "libc/dce.h"
 #include "libc/str/blake2.h"
 #include "libc/str/path.h"
@@ -38,7 +39,9 @@ const char *sem_path_np(const char *name, char *buf, size_t size) {
   const char *path, *a;
   uint8_t digest[BLAKE2B256_DIGEST_LENGTH];
   a = "/tmp/", n = 5;
-  if (IsLinux()) a = "/dev/shm/", n = 9;
+  if (IsLinux() && isdirectory("/dev/shm")) {
+    a = "/dev/shm/", n = 9;
+  }
   if (n + BLAKE2B256_DIGEST_LENGTH * 2 + 4 < size) {
     BLAKE2B256(name, strlen(name), digest);
     p = mempcpy(buf, a, n);
diff --git a/third_party/sqlite3/fts5.c b/third_party/sqlite3/fts5.c
index c1a1acf0d..cb7a2e32e 100644
--- a/third_party/sqlite3/fts5.c
+++ b/third_party/sqlite3/fts5.c
@@ -1,4 +1,4 @@
-
+// clang-format off
 
 #if !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_FTS5) 
 
@@ -5141,7 +5141,6 @@ static void *sqlite3Fts5ParserAlloc(void *(*mallocProc)(u64));
 static void sqlite3Fts5ParserFree(void*, void (*freeProc)(void*));
 static void sqlite3Fts5Parser(void*, int, Fts5Token, Fts5Parse*);
 #ifndef NDEBUG
-#include <stdio.h>
 static void sqlite3Fts5ParserTrace(FILE*, char*);
 #endif
 static int sqlite3Fts5ParserFallback(int);
diff --git a/tool/emacs/cosmo-c-keywords.el b/tool/emacs/cosmo-c-keywords.el
index 90c1c608b..547520b3e 100644
--- a/tool/emacs/cosmo-c-keywords.el
+++ b/tool/emacs/cosmo-c-keywords.el
@@ -75,7 +75,7 @@
            "noasan"
            "nomsan"
            "noubsan"
-           "smashmystack"
+           "nostackprotector"
            "initarray"
            "mayalias"
            "noinstrument"
diff --git a/tool/emacs/cosmo-c-types.el b/tool/emacs/cosmo-c-types.el
index f220d159f..023760295 100644
--- a/tool/emacs/cosmo-c-types.el
+++ b/tool/emacs/cosmo-c-types.el
@@ -181,7 +181,9 @@
            "i32"
            "u32"
            "i64"
-           "u64"))
+           "u64"
+           "off_t"
+           "rlim_t"))
 
         (x86intrin
          '("__v8hu"