* files for more information.
*/
+#include "sbcl.h"
+
#include <stdio.h>
#include <string.h>
+#include <libgen.h>
#include <sys/types.h>
+#include <sys/wait.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/file.h>
#include <sys/param.h>
#include <sys/stat.h>
+#include <signal.h>
+#ifdef LISP_FEATURE_SB_THREAD
+#include <sys/ptrace.h>
+#endif
+#include <sched.h>
+#include <errno.h>
#if defined(SVR4) || defined(__linux__)
#include <time.h>
#include "signal.h"
#include "runtime.h"
-#include "sbcl.h"
#include "alloc.h"
#include "vars.h"
#include "globals.h"
#include "core.h"
#include "save.h"
#include "lispregs.h"
+#include "thread.h"
+
+#include "genesis/static-symbols.h"
+#include "genesis/symbol.h"
+
#ifdef irix
#include <string.h>
}
/* Convert a null-terminated array of null-terminated strings (e.g.
- * argv or envp) into a Lisp list of Lisp strings. */
+ * argv or envp) into a Lisp list of Lisp base-strings. */
static lispobj
-alloc_string_list(char *array_ptr[])
+alloc_base_string_list(char *array_ptr[])
{
if (*array_ptr) {
- return alloc_cons(alloc_string(*array_ptr),
- alloc_string_list(1 + array_ptr));
+ return alloc_cons(alloc_base_string(*array_ptr),
+ alloc_base_string_list(1 + array_ptr));
} else {
return NIL;
}
", SBCL_VERSION_STRING);
}
\f
+int gc_thread_pid;
+FILE *stdlog;
+
+\f
int
main(int argc, char *argv[], char *envp[])
{
core = copied_existing_filename_or_null(lookhere);
free(lookhere);
} else {
- core = copied_existing_filename_or_null("/usr/lib/sbcl.core");
+ putenv("SBCL_HOME=/usr/local/lib/sbcl/");
+ core = copied_existing_filename_or_null("/usr/local/lib/sbcl/sbcl.core");
if (!core) {
+ putenv("SBCL_HOME=/usr/lib/sbcl/");
core =
- copied_existing_filename_or_null("/usr/local/lib/sbcl.core");
+ copied_existing_filename_or_null("/usr/lib/sbcl/sbcl.core");
}
}
if (!core) {
lose("can't find core file");
}
+ } else {
+ /* If a core was specified and SBCL_HOME is unset, set it */
+ char *sbcl_home = getenv("SBCL_HOME");
+ if (!sbcl_home) {
+ char *envstring, *copied_core, *dir;
+ char *stem = "SBCL_HOME=";
+ copied_core = copied_string(core);
+ dir = dirname(copied_core);
+ envstring = (char *) calloc(strlen(stem) +
+ strlen(dir) +
+ 1,
+ sizeof(char));
+ sprintf(envstring, "%s%s", stem, dir);
+ putenv(envstring);
+ free(copied_core);
+ }
}
if (!noinform) {
gc_initialize_pointers();
-#ifdef BINDING_STACK_POINTER
- SetSymbolValue(BINDING_STACK_POINTER, BINDING_STACK_START);
-#endif
-
interrupt_init();
-
arch_install_interrupt_handlers();
os_install_interrupt_handlers();
-#ifdef PSEUDO_ATOMIC_ATOMIC
- /* Turn on pseudo atomic for when we call into Lisp. */
- SHOW("turning on pseudo atomic");
- SetSymbolValue(PSEUDO_ATOMIC_ATOMIC, make_fixnum(1));
- SetSymbolValue(PSEUDO_ATOMIC_INTERRUPTED, make_fixnum(0));
-#endif
-
/* Convert remaining argv values to something that Lisp can grok. */
SHOW("setting POSIX-ARGV symbol value");
- SetSymbolValue(POSIX_ARGV, alloc_string_list(argv));
+ SetSymbolValue(POSIX_ARGV, alloc_base_string_list(argv),0);
/* Install a handler to pick off SIGINT until the Lisp system gets
* far enough along to install its own handler. */
sigint_init();
FSHOW((stderr, "/funcalling initial_function=0x%lx\n", initial_function));
- funcall0(initial_function);
+ create_thread(initial_function);
+ /* in a unithread build, create_thread never returns */
+#ifdef LISP_FEATURE_SB_THREAD
+ gc_thread_pid=getpid();
+ parent_loop();
+#endif
+}
- /* initial_function() is not supposed to return. */
- lose("Lisp initial_function gave up control.");
- return 0; /* dummy value: return something */
+static void parent_sighandler(int signum,siginfo_t *info, void *void_context)
+{
+#if 0
+ os_context_t *context = (os_context_t*)void_context;
+ fprintf(stderr,
+ "parent thread got signal %d from %d, maybe_gc_pending=%d\n",
+ signum, info->si_pid,
+ maybe_gc_pending);
+#endif
}
+#ifdef LISP_FEATURE_SB_THREAD
+
+static void /* noreturn */ parent_loop(void)
+{
+ struct sigaction sa;
+ sigset_t sigset;
+ int status;
+ pid_t pid=0;
+
+ sigemptyset(&sigset);
+
+ sigaddset(&sigset, SIGALRM);
+ sigaddset(&sigset, SIGCHLD);
+ sigprocmask(SIG_UNBLOCK,&sigset,0);
+ sa.sa_handler=parent_sighandler;
+ sa.sa_mask=sigset;
+ sa.sa_flags=SA_SIGINFO;
+ sigaction(SIGALRM, &sa, 0);
+ sigaction(SIGCHLD, &sa, 0);
+
+ sigemptyset(&sigset);
+ sa.sa_handler=SIG_IGN;
+ sa.sa_mask=sigset;
+ sa.sa_flags=0;
+ sigaction(SIGINT, &sa, 0);
+
+ while(!all_threads) {
+ sched_yield();
+ }
+ while(all_threads && (pid=waitpid(-1,&status,__WALL|WUNTRACED))) {
+ struct thread *th;
+ int real_errno=errno;
+ if(pid==-1) {
+ if(real_errno == EINTR) {
+ continue;
+ }
+ if(real_errno == ECHILD) break;
+ fprintf(stderr,"waitpid: %s\n",strerror(real_errno));
+ continue;
+ }
+ th=find_thread_by_pid(pid);
+ if(!th) continue;
+ if(WIFEXITED(status) || WIFSIGNALED(status)) {
+ fprintf(stderr,"waitpid : child %d %x exited \n", pid,th);
+ destroy_thread(th);
+ if(!all_threads) break;
+ }
+ }
+ exit(WEXITSTATUS(status));
+}
+
+#endif
projects / sbcl.git / blobdiff