#include <sys/param.h>
#include <sys/file.h>
#include <unistd.h>
+#include <utime.h>
#include <assert.h>
#include <errno.h>
#include "sbcl.h"
#if defined LISP_FEATURE_GENCGC
#include "gencgc-internal.h"
#endif
+
+#if defined(LISP_FEATURE_SB_WTIMER) && !defined(LISP_FEATURE_DARWIN)
+# include <sys/event.h>
+#endif
+
\f
os_vm_size_t os_vm_page_size;
#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
void
os_init(char *argv[], char *envp[])
{
- os_vm_page_size = getpagesize();
+ os_vm_page_size = BACKEND_PAGE_BYTES;
#ifdef __NetBSD__
netbsd_init();
freebsd_init();
#elif defined(__OpenBSD__)
openbsd_init();
+#elif defined(LISP_FEATURE_DARWIN)
+ darwin_init();
#endif
}
*/
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",
FSHOW((stderr, "Memory fault at: %p, PC: %p\n", fault_addr, *os_context_pc_addr(context)));
+#ifdef LISP_FEATURE_SB_SAFEPOINT
+ if (!handle_safepoint_violation(context, fault_addr))
+#endif
+
if (!gencgc_handle_wp_violation(fault_addr))
if(!handle_guard_page_triggered(context,fault_addr))
lisp_memory_fault_error(context, fault_addr);
#endif
#ifdef LISP_FEATURE_SB_THREAD
+# ifdef LISP_FEATURE_SB_SAFEPOINT
+# ifdef LISP_FEATURE_SB_THRUPTION
+ undoably_install_low_level_interrupt_handler(SIGPIPE, thruption_handler);
+# endif
+# else
undoably_install_low_level_interrupt_handler(SIG_STOP_FOR_GC,
sig_stop_for_gc_handler);
+# endif
#endif
SHOW("leaving os_install_interrupt_handlers()");
}
return readdir(dirp);
}
+int
+_utime(const char *file, const struct utimbuf *timep)
+{
+ return utime(file, timep);
+}
+
/* Used in sb-bsd-sockets. */
int
_socket(int domain, int type, int protocol)
#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_FUTEX) \
+ && !defined(LISP_FEATURE_SB_PTHREAD_FUTEX)
int
futex_wait(int *lock_word, long oldval, long sec, unsigned long usec)
{
#endif
char *
-os_get_runtime_executable_path()
+os_get_runtime_executable_path(int external)
{
char path[PATH_MAX + 1];
}
#elif defined(LISP_FEATURE_NETBSD) || defined(LISP_FEATURE_OPENBSD)
char *
-os_get_runtime_executable_path()
+os_get_runtime_executable_path(int external)
{
struct stat sb;
- char *path = strdup("/proc/curproc/file");
- if (path && ((stat(path, &sb)) == 0))
- return path;
- else {
- fprintf(stderr, "Couldn't stat /proc/curproc/file; is /proc mounted?\n");
- return NULL;
- }
+ if (!external && stat("/proc/curproc/file", &sb) == 0)
+ return copied_string("/proc/curproc/file");
+ return NULL;
}
#else /* Not DARWIN or FREEBSD or NETBSD or OPENBSD */
char *
-os_get_runtime_executable_path()
+os_get_runtime_executable_path(int external)
{
return NULL;
}
#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.
+ */
+#ifdef LISP_FEATURE_X86_64
+ const int wantfree = 64 * 1024 * 1024;
+#else
+ const int wantfree = 32 * 1024 * 1024;
+#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
- * "staff" login class run sbcl with a default /etc/login.conf
+ * "staff" or "daemon" login classes run sbcl with larger dynamic
+ * space sizes.
*/
getrlimit (RLIMIT_DATA, &rl);
if (rl.rlim_cur < rl.rlim_max) {
}
}
- /* Display a (hopefully) helpful warning if it looks like we won't
- * be able to allocate enough memory. In testing I found that on
- * my system at least, a minimum of 25M on top of the three space
- * sizes was needed to start SBCL. Show a warning below 32M so as
- * to leave a little breathing room.
+ /*
+ * Display a (hopefully) helpful warning if it looks like we won't
+ * be able to allocate enough memory.
*/
getrlimit (RLIMIT_DATA, &rl);
if (dynamic_space_size + READ_ONLY_SPACE_SIZE + STATIC_SPACE_SIZE +
- LINKAGE_TABLE_SPACE_SIZE + (32*1024*1024) > rl.rlim_cur)
+ LINKAGE_TABLE_SPACE_SIZE + wantfree > rl.rlim_cur)
fprintf (stderr,
"RUNTIME WARNING: data size resource limit may be too low,\n"
- " try decreasing the dynamic space size with --dynamic-space-size\n");
+ " try decreasing the dynamic space size with --dynamic-space-size\n"
+ " or raising the datasize or datasize-max limits in /etc/login.conf\n");
}
/* OpenBSD's dlsym() relies on the gcc bulitin
}
#endif
+
+#if defined(LISP_FEATURE_SB_WTIMER) && !defined(LISP_FEATURE_DARWIN)
+/*
+ * Waitable timer implementation for the safepoint-based (SIGALRM-free)
+ * timer facility using kqueue.
+ */
+int
+os_create_wtimer()
+{
+ int kq = kqueue();
+ if (kq == -1)
+ lose("os_create_wtimer: kqueue");
+ return kq;
+}
+
+int
+os_wait_for_wtimer(int kq)
+{
+ struct kevent ev;
+ int n;
+ if ( (n = kevent(kq, 0, 0, &ev, 1, 0)) == -1) {
+ if (errno != EINTR)
+ lose("os_wtimer_listen failed");
+ n = 0;
+ }
+ return n != 1;
+}
+
+void
+os_close_wtimer(int kq)
+{
+ if (close(kq) == -1)
+ lose("os_close_wtimer failed");
+}
+
+void
+os_set_wtimer(int kq, int sec, int nsec)
+{
+ long long msec
+ = ((long long) sec) * 1000 + (long long) (nsec+999999) / 1000000;
+ if (msec > INT_MAX) msec = INT_MAX;
+
+ struct kevent ev;
+ EV_SET(&ev, 1, EVFILT_TIMER, EV_ADD|EV_ENABLE|EV_ONESHOT, 0, (int)msec, 0);
+ if (kevent(kq, &ev, 1, 0, 0, 0) == -1)
+ perror("os_set_wtimer: kevent");
+}
+
+void
+os_cancel_wtimer(int kq)
+{
+ struct kevent ev;
+ EV_SET(&ev, 1, EVFILT_TIMER, EV_DISABLE, 0, 0, 0);
+ if (kevent(kq, &ev, 1, 0, 0, 0) == -1 && errno != ENOENT)
+ perror("os_cancel_wtimer: kevent");
+}
+#endif
projects / sbcl.git / blobdiff