* files for more information.
*/
+#include "thread.h"
#include "sbcl.h"
#include "globals.h"
#include "runtime.h"
#include <signal.h>
#include <limits.h>
#include <mach-o/dyld.h>
-#include "bsd-os.h"
#include <errno.h>
#include <dlfcn.h>
+#ifdef LISP_FEATURE_MACH_EXCEPTION_HANDLER
+#include <mach/mach.h>
+#endif
+
char *
os_get_runtime_executable_path(int external)
{
return copied_string(path);
}
+#ifdef LISP_FEATURE_MACH_EXCEPTION_HANDLER
+
+/* exc_server handles mach exception messages from the kernel and
+ * calls catch exception raise. We use the system-provided
+ * mach_msg_server, which, I assume, calls exc_server in a loop.
+ *
+ */
+extern boolean_t exc_server();
+
+void *
+mach_exception_handler(void *port)
+{
+ mach_msg_server(exc_server, 2048, (mach_port_t) port, 0);
+ /* mach_msg_server should never return, but it should dispatch mach
+ * exceptions to our catch_exception_raise function
+ */
+ lose("mach_msg_server returned");
+}
+
+/* Sets up the thread that will listen for mach exceptions. note that
+ the exception handlers will be run on this thread. This is
+ different from the BSD-style signal handling situation in which the
+ signal handlers run in the relevant thread directly. */
+
+mach_port_t mach_exception_handler_port_set = MACH_PORT_NULL;
+
+pthread_t
+setup_mach_exception_handling_thread()
+{
+ kern_return_t ret;
+ pthread_t mach_exception_handling_thread = NULL;
+ pthread_attr_t attr;
+
+ /* allocate a mach_port for this process */
+ ret = mach_port_allocate(mach_task_self(),
+ MACH_PORT_RIGHT_PORT_SET,
+ &mach_exception_handler_port_set);
+
+ /* create the thread that will receive the mach exceptions */
+
+ FSHOW((stderr, "Creating mach_exception_handler thread!\n"));
+
+ pthread_attr_init(&attr);
+ pthread_create(&mach_exception_handling_thread,
+ &attr,
+ mach_exception_handler,
+ (void*) mach_exception_handler_port_set);
+ pthread_attr_destroy(&attr);
+
+ return mach_exception_handling_thread;
+}
+
+/* tell the kernel that we want EXC_BAD_ACCESS exceptions sent to the
+ exception port (which is being listened to do by the mach
+ exception handling thread). */
+kern_return_t
+mach_thread_init(mach_port_t thread_exception_port)
+{
+ kern_return_t ret;
+ /* allocate a named port for the thread */
+
+ FSHOW((stderr, "Allocating mach port %x\n", thread_exception_port));
+
+ ret = mach_port_allocate_name(mach_task_self(),
+ MACH_PORT_RIGHT_RECEIVE,
+ thread_exception_port);
+ if (ret) {
+ lose("mach_port_allocate_name failed with return_code %d\n", ret);
+ }
+
+ /* establish the right for the thread_exception_port to send messages */
+ ret = mach_port_insert_right(mach_task_self(),
+ thread_exception_port,
+ thread_exception_port,
+ MACH_MSG_TYPE_MAKE_SEND);
+ if (ret) {
+ lose("mach_port_insert_right failed with return_code %d\n", ret);
+ }
+
+ ret = thread_set_exception_ports(mach_thread_self(),
+ EXC_MASK_BAD_ACCESS | EXC_MASK_BAD_INSTRUCTION,
+ thread_exception_port,
+ EXCEPTION_DEFAULT,
+ THREAD_STATE_NONE);
+ if (ret) {
+ lose("thread_set_exception_port failed with return_code %d\n", ret);
+ }
+
+ ret = mach_port_move_member(mach_task_self(),
+ thread_exception_port,
+ mach_exception_handler_port_set);
+ if (ret) {
+ lose("mach_port_ failed with return_code %d\n", ret);
+ }
+
+ return ret;
+}
+
+void
+setup_mach_exceptions() {
+ setup_mach_exception_handling_thread();
+ mach_thread_init(THREAD_STRUCT_TO_EXCEPTION_PORT(all_threads));
+}
+
+pid_t
+mach_fork() {
+ pid_t pid = fork();
+ if (pid == 0) {
+ setup_mach_exceptions();
+ return pid;
+ } else {
+ return pid;
+ }
+}
+
+#endif
+
void memory_fault_handler(int signal, siginfo_t *siginfo,
os_context_t *context);
-/* exc_server handles mach exception messages from the kernel and
- * calls catch exception raise. We use the system-provided
- * mach_msg_server, which, I assume, calls exc_server in a loop.
- *
- */
-extern boolean_t exc_server();
-
/* This executes in the faulting thread as part of the signal
* emulation. It is passed a context with the uc_mcontext field
* pointing to a valid block of memory. */
}
}
-void *
-mach_exception_handler(void *port)
-{
- mach_msg_server(exc_server, 2048, (mach_port_t) port, 0);
- /* mach_msg_server should never return, but it should dispatch mach
- * exceptions to our catch_exception_raise function
- */
- lose("mach_msg_server returned");
-}
-
-/* Sets up the thread that will listen for mach exceptions. note that
- the exception handlers will be run on this thread. This is
- different from the BSD-style signal handling situation in which the
- signal handlers run in the relevant thread directly. */
-
-mach_port_t mach_exception_handler_port_set = MACH_PORT_NULL;
-
-pthread_t
-setup_mach_exception_handling_thread()
-{
- kern_return_t ret;
- pthread_t mach_exception_handling_thread = NULL;
- pthread_attr_t attr;
-
- /* allocate a mach_port for this process */
- ret = mach_port_allocate(mach_task_self(),
- MACH_PORT_RIGHT_PORT_SET,
- &mach_exception_handler_port_set);
-
- /* create the thread that will receive the mach exceptions */
-
- FSHOW((stderr, "Creating mach_exception_handler thread!\n"));
-
- pthread_attr_init(&attr);
- pthread_create(&mach_exception_handling_thread,
- &attr,
- mach_exception_handler,
- (void*) mach_exception_handler_port_set);
- pthread_attr_destroy(&attr);
-
- return mach_exception_handling_thread;
-}
-
-/* tell the kernel that we want EXC_BAD_ACCESS exceptions sent to the
- exception port (which is being listened to do by the mach
- exception handling thread). */
-kern_return_t
-mach_thread_init(mach_port_t thread_exception_port)
-{
- kern_return_t ret;
- /* allocate a named port for the thread */
-
- FSHOW((stderr, "Allocating mach port %x\n", thread_exception_port));
-
- ret = mach_port_allocate_name(mach_task_self(),
- MACH_PORT_RIGHT_RECEIVE,
- thread_exception_port);
- if (ret) {
- lose("mach_port_allocate_name failed with return_code %d\n", ret);
- }
-
- /* establish the right for the thread_exception_port to send messages */
- ret = mach_port_insert_right(mach_task_self(),
- thread_exception_port,
- thread_exception_port,
- MACH_MSG_TYPE_MAKE_SEND);
- if (ret) {
- lose("mach_port_insert_right failed with return_code %d\n", ret);
- }
-
- ret = thread_set_exception_ports(mach_thread_self(),
- EXC_MASK_BAD_ACCESS | EXC_MASK_BAD_INSTRUCTION,
- thread_exception_port,
- EXCEPTION_DEFAULT,
- THREAD_STATE_NONE);
- if (ret) {
- lose("thread_set_exception_port failed with return_code %d\n", ret);
- }
-
- ret = mach_port_move_member(mach_task_self(),
- thread_exception_port,
- mach_exception_handler_port_set);
- if (ret) {
- lose("mach_port_ failed with return_code %d\n", ret);
- }
-
- return ret;
-}
-
-void
-setup_mach_exceptions() {
- setup_mach_exception_handling_thread();
- mach_thread_init(THREAD_STRUCT_TO_EXCEPTION_PORT(all_threads));
-}
-
-pid_t
-mach_fork() {
- pid_t pid = fork();
- if (pid == 0) {
- setup_mach_exceptions();
- return pid;
- } else {
- return pid;
- }
-}
-
#endif
void memory_fault_handler(int signal, siginfo_t *siginfo,
os_context_t *context);
-/* exc_server handles mach exception messages from the kernel and
- * calls catch exception raise. We use the system-provided
- * mach_msg_server, which, I assume, calls exc_server in a loop.
- *
- */
-extern boolean_t exc_server();
-
/* This executes in the faulting thread as part of the signal
* emulation. It is passed a context with the uc_mcontext field
* pointing to a valid block of memory. */
return ret;
}
-void *
-mach_exception_handler(void *port)
-{
- mach_msg_server(exc_server, 2048, (mach_port_t) port, 0);
- /* mach_msg_server should never return, but it should dispatch mach
- * exceptions to our catch_exception_raise function
- */
- lose("mach_msg_server returned");
-}
-
-#endif
-
-#ifdef LISP_FEATURE_MACH_EXCEPTION_HANDLER
-
-/* Sets up the thread that will listen for mach exceptions. note that
- the exception handlers will be run on this thread. This is
- different from the BSD-style signal handling situation in which the
- signal handlers run in the relevant thread directly. */
-
-mach_port_t mach_exception_handler_port_set = MACH_PORT_NULL;
-
-pthread_t
-setup_mach_exception_handling_thread()
-{
- kern_return_t ret;
- pthread_t mach_exception_handling_thread = NULL;
- pthread_attr_t attr;
-
- /* allocate a mach_port for this process */
- ret = mach_port_allocate(mach_task_self(),
- MACH_PORT_RIGHT_PORT_SET,
- &mach_exception_handler_port_set);
-
- /* create the thread that will receive the mach exceptions */
-
- FSHOW((stderr, "Creating mach_exception_handler thread!\n"));
-
- pthread_attr_init(&attr);
- pthread_create(&mach_exception_handling_thread,
- &attr,
- mach_exception_handler,
- (void*) mach_exception_handler_port_set);
- pthread_attr_destroy(&attr);
-
- return mach_exception_handling_thread;
-}
-
-/* tell the kernel that we want EXC_BAD_ACCESS exceptions sent to the
- exception port (which is being listened to do by the mach
- exception handling thread). */
-kern_return_t
-mach_thread_init(mach_port_t thread_exception_port)
-{
- kern_return_t ret;
- /* allocate a named port for the thread */
-
- FSHOW((stderr, "Allocating mach port %x\n", thread_exception_port));
-
- ret = mach_port_allocate_name(mach_task_self(),
- MACH_PORT_RIGHT_RECEIVE,
- thread_exception_port);
- if (ret) {
- lose("mach_port_allocate_name failed with return_code %d\n", ret);
- }
-
- /* establish the right for the thread_exception_port to send messages */
- ret = mach_port_insert_right(mach_task_self(),
- thread_exception_port,
- thread_exception_port,
- MACH_MSG_TYPE_MAKE_SEND);
- if (ret) {
- lose("mach_port_insert_right failed with return_code %d\n", ret);
- }
-
- ret = thread_set_exception_ports(mach_thread_self(),
- EXC_MASK_BAD_ACCESS | EXC_MASK_BAD_INSTRUCTION,
- thread_exception_port,
- EXCEPTION_DEFAULT,
- THREAD_STATE_NONE);
- if (ret) {
- lose("thread_set_exception_port failed with return_code %d\n", ret);
- }
-
- ret = mach_port_move_member(mach_task_self(),
- thread_exception_port,
- mach_exception_handler_port_set);
- if (ret) {
- lose("mach_port_ failed with return_code %d\n", ret);
- }
-
- return ret;
-}
-
-void
-setup_mach_exceptions() {
- setup_mach_exception_handling_thread();
- mach_thread_init(THREAD_STRUCT_TO_EXCEPTION_PORT(all_threads));
-}
-
-pid_t
-mach_fork() {
- pid_t pid = fork();
- if (pid == 0) {
- setup_mach_exceptions();
- return pid;
- } else {
- return pid;
- }
-}
-
#endif
;;; checkins which aren't released. (And occasionally for internal
;;; versions, especially for internal versions off the main CVS
;;; branch, it gets hairier, e.g. "0.pre7.14.flaky4.13".)
-"1.0.46.24"
+"1.0.46.25"
projects / sbcl.git / commitdiff