Release Cosmopolitan v3.2

libc/calls/isqemu.c

@@ -0,0 +1,34 @@
+/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
+│ vi: set et ft=c ts=2 sts=2 sw=2 fenc=utf-8                               :vi │
+╞══════════════════════════════════════════════════════════════════════════════╡
+│ Copyright 2024 Justine Alexandra Roberts Tunney                              │
+│                                                                              │
+│ Permission to use, copy, modify, and/or distribute this software for         │
+│ any purpose with or without fee is hereby granted, provided that the         │
+│ above copyright notice and this permission notice appear in all copies.      │
+│                                                                              │
+│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL                │
+│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED                │
+│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE             │
+│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL         │
+│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR        │
+│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER               │
+│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
+│ PERFORMANCE OF THIS SOFTWARE.                                                │
+╚─────────────────────────────────────────────────────────────────────────────*/
+#include "ape/sections.internal.h"
+#include "libc/calls/calls.h"
+#include "libc/calls/syscall-sysv.internal.h"
+#include "libc/errno.h"
+
+/**
+ * Returns true if process is running under qemu-x86_64 or qemu-x86_64.
+ */
+int IsQemu(void) {
+  // qemu doesn't validate the advice argument
+  // we could also check if __getcwd(0, 0) raises efault
+  int e = errno;
+  int r = !sys_madvise(__executable_start, 16384, 127);
+  errno = e;
+  return r;
+}

libc/dce.h

@@ -121,6 +121,8 @@ COSMOPOLITAN_C_START_
 
 extern const int __hostos;
 
+int IsQemu(void);
+
 COSMOPOLITAN_C_END_
 #endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
 #endif /* _COSMO_SOURCE */

libc/integral/normalize.inc

@@ -3,8 +3,8 @@
 #endif
 
 #define __COSMOPOLITAN_MAJOR__ 3
-#define __COSMOPOLITAN_MINOR__ 1
-#define __COSMOPOLITAN_PATCH__ 3
+#define __COSMOPOLITAN_MINOR__ 2
+#define __COSMOPOLITAN_PATCH__ 0
 #define __COSMOPOLITAN__                                                   \
   (100000000 * __COSMOPOLITAN_MAJOR__ + 1000000 * __COSMOPOLITAN_MINOR__ + \
    __COSMOPOLITAN_PATCH__)