Mint APE Loader v1.7

This change reduces the memory requirements of your APE Loader by 10x,
in terms of virtual memory size, thanks to the help of alloca(). We're
also now creating argument blocks with the same layout across systems.

libc/calls/__sig2.c

@@ -180,6 +180,7 @@ textwindows bool __sig_handle(int sigops, int sig, int si_code,
     case (intptr_t)SIG_DFL:
       if (__sig_is_fatal(sig)) {
         STRACE("terminating on %G", sig);
+        _restorewintty();
         ExitProcess(sig);
       }
       // fallthrough

libc/calls/execve-sysv.c

@@ -85,8 +85,8 @@ int sys_execve(const char *prog, char *const argv[], char *const envp[]) {
         (CanExecute((ape = "/usr/bin/ape")) ||
          CanExecute((ape = Join(firstnonnull(getenv("TMPDIR"),
                                              firstnonnull(getenv("HOME"), ".")),
-                                ".ape-1.6", buf))) ||
-         CanExecute((ape = Join(firstnonnull(getenv("HOME"), "."), ".ape-1.6",
+                                ".ape-1.7", buf))) ||
+         CanExecute((ape = Join(firstnonnull(getenv("HOME"), "."), ".ape-1.7",
                                 buf))))) {
       shargs[0] = ape;
       shargs[1] = "-";

libc/calls/getrlimit.c

@@ -43,8 +43,8 @@ int getrlimit(int resource, struct rlimit *rlim) {
   } else if (!IsWindows()) {
     rc = sys_getrlimit(resource, rlim);
   } else if (resource == RLIMIT_STACK) {
-    rlim->rlim_cur = (uintptr_t)ape_stack_memsz;
-    rlim->rlim_max = (uintptr_t)ape_stack_memsz;
+    rlim->rlim_cur = GetStaticStackSize();
+    rlim->rlim_max = GetStaticStackSize();
     rc = 0;
   } else if (resource == RLIMIT_AS) {
     rlim->rlim_cur = __virtualmax;

libc/calls/read.c

@@ -26,10 +26,10 @@
 #include "libc/intrin/asan.internal.h"
 #include "libc/intrin/strace.internal.h"
 #include "libc/intrin/weaken.h"
+#include "libc/runtime/zipos.internal.h"
 #include "libc/sock/internal.h"
 #include "libc/sock/sock.h"
 #include "libc/sysv/errfuns.h"
-#include "libc/runtime/zipos.internal.h"
 
 /**
  * Reads data from file descriptor.

libc/calls/setrlimit.c

@@ -23,6 +23,7 @@
 #include "libc/intrin/asan.internal.h"
 #include "libc/intrin/describeflags.internal.h"
 #include "libc/intrin/strace.internal.h"
+#include "libc/macros.internal.h"
 #include "libc/sysv/consts/rlimit.h"
 #include "libc/sysv/errfuns.h"
 
@@ -31,6 +32,12 @@
  *
  * The following resources are recommended:
  *
+ * - `RLIMIT_STACK` controls how much stack memory is available to the
+ *   main thread. This setting is inherited across fork() and execve()
+ *   Please note it's only safe for Cosmopolitan programs, to set this
+ *   value to at least `PTHREAD_STACK_MIN * 2`. On Windows this cannot
+ *   be used to extend the stack, which is currently hard-coded.
+ *
  * - `RLIMIT_AS` limits the size of the virtual address space. This will
  *   work on all platforms except WSL. It is emulated on XNU and Windows
  *   which means it won't propagate across execve() currently.

libc/calls/statfs2cosmo.c

@@ -278,7 +278,7 @@ void statfs2cosmo(struct statfs *f, const union statfs_meta *m) {
     f_files = m->netbsd.f_files;
     f_ffree = m->netbsd.f_ffree;
     f_fsid = m->netbsd.f_fsid;
-    f_namelen = f->f_namelen;
+    f_namelen = 511;
     f_frsize = m->netbsd.f_bsize;
     f_flags = m->netbsd.f_flags;
     f_owner = m->netbsd.f_owner;