1.0.32.21: compress most unibyte-external-format definitions

[sbcl.git] / src / runtime / bsd-os.c

diff --git a/src/runtime/bsd-os.c b/src/runtime/bsd-os.c
index 8848492..3b88379 100644 (file)
--- a/src/runtime/bsd-os.c
+++ b/src/runtime/bsd-os.c
@@ -70,7 +70,11 @@ static void freebsd_init();
 #include <sys/types.h>
 #include <sys/resource.h>
 #include <sys/stat.h>
+#include <sys/sysctl.h>
 #include <dlfcn.h>
+#ifdef LISP_FEATURE_X86
+#include <machine/cpu.h>
+#endif
 
 static void openbsd_init();
 #endif
@@ -194,19 +198,9 @@ is_valid_lisp_addr(os_vm_address_t addr)
  */
 
 void
-memory_fault_handler(int signal, siginfo_t *siginfo, os_context_t *context
-#if defined(LISP_FEATURE_FREEBSD) && defined(LISP_FEATURE_X86_64)
-/* FreeBSD/amd64 stores fault address only in undocumented 4th arg. */
-                     ,void *fault_addr
-#endif
-    )
+memory_fault_handler(int signal, siginfo_t *siginfo, os_context_t *context)
 {
-#if defined(LISP_FEATURE_FREEBSD) && defined(LISP_FEATURE_X86_64)
-    /* KLUDGE: Store fault address into si_addr for compatibilities. */
-    siginfo->si_addr = fault_addr;
-#else
     void *fault_addr = arch_get_bad_addr(signal, siginfo, context);
-#endif
 
 #if defined(LISP_FEATURE_RESTORE_TLS_SEGMENT_REGISTER_FROM_CONTEXT)
     FSHOW_SIGNAL((stderr, "/ TLS: restoring fs: %p in memory_fault_handler\n",
@@ -389,7 +383,8 @@ static void freebsd_init()
 #endif /* LISP_FEATURE_X86 */
 }
 
-#if defined(LISP_FEATURE_SB_THREAD) && !defined(LISP_FEATURE_SB_PTHREAD_FUTEX)
+#if defined(LISP_FEATURE_SB_THREAD) && !defined(LISP_FEATURE_SB_PTHREAD_FUTEX) \
+    && !defined(LISP_FEATURE_SB_LUTEX)
 int
 futex_wait(int *lock_word, long oldval, long sec, unsigned long usec)
 {
@@ -481,9 +476,16 @@ os_get_runtime_executable_path()
 #endif
 
 #ifdef __OpenBSD__
+
+int openbsd_use_fxsave = 0;
+
 void
 openbsd_init()
 {
+#ifdef LISP_FEATURE_X86
+    int mib[2];
+    size_t size;
+#endif
     /*
      * Show a warning if it looks like the memory available after
      * allocating the spaces won't be at least this much.
@@ -495,6 +497,14 @@ openbsd_init()
 #endif
     struct rlimit rl;
 
+#ifdef LISP_FEATURE_X86
+    /* Save the machdep.osfxsr sysctl for use by os_restore_fp_control() */
+    mib[0] = CTL_MACHDEP;
+    mib[1] = CPU_OSFXSR;
+    size = sizeof (openbsd_use_fxsave);
+    sysctl(mib, 2, &openbsd_use_fxsave, &size, NULL, 0);
+#endif
+
     /* OpenBSD, like NetBSD, counts mmap()ed space against the
      * process's data size limit. If the soft limit is lower than the
      * hard limit then try to yank it up, this lets users in the