meta: update kernel

interface/fs.xpc

@@ -11,3 +11,4 @@ func seek[4](offset: offset, origin: int) -> (err: int, new_pos: offset);
 func map[5](prot: int, flags: int) -> (err: int, vmo: handle);
 
 func getdents[6]() -> (err: int, dents: buffer);
+func mount[7](path: string, nd: int, pid: int, chid: int) -> (err: int);

lib/libc/core/stdlib/strtoll.c

@@ -28,14 +28,14 @@
  * SUCH DAMAGE.
  */
 
+#include <assert.h>
 #include <ctype.h>
 #include <errno.h>
 #include <limits.h>
+#include <magenta/log.h>
+#include <stdio.h>
 
-long long strtoll(
+long long strtoll(const char *restrict ptr, char **restrict endptr, int base)
-	const char *restrict ptr,
-	char **restrict endptr,
-	register int base)
 {
 	const char *s = ptr;
 	long long acc;
@@ -64,8 +64,31 @@ long long strtoll(
 		base = c == '0' ? 8 : 10;
 	}
 
-	cutoff = (long long)LLONG_MAX / (long long)base;
+	/* XXX cannot just divide by base here. Doing so results in a #DE
-	cutlim = (long long)LLONG_MAX % (long long)base;
+	 * exception when running under Bochs. Not sure if this is a bug in the
+	 * kernel or in Bochs, but this switch statement is here as a workaround
+	 * until the issue is resolved. */
+	switch (base) {
+	case 2:
+		cutoff = (long long)LLONG_MAX / (long long)2;
+		cutlim = (long long)LLONG_MAX % (long long)2;
+		break;
+	case 8:
+		cutoff = (long long)LLONG_MAX / (long long)8;
+		cutlim = (long long)LLONG_MAX % (long long)8;
+		break;
+	case 10:
+		cutoff = (long long)LLONG_MAX / (long long)10;
+		cutlim = (long long)LLONG_MAX % (long long)10;
+		break;
+	case 16:
+		cutoff = (long long)LLONG_MAX / (long long)16;
+		cutlim = (long long)LLONG_MAX % (long long)16;
+		break;
+	default:
+		return -1;
+	}
+
 	for (acc = 0, any = 0;; c = *s++) {
 		if (isdigit(c)) {
 			c -= '0';

lib/librosetta/include/rosetta/bootstrap.h

@@ -12,6 +12,7 @@ enum rosetta_bootstrap_handle_type {
 enum rosetta_bootstrap_channel_type {
 	RSBS_CHANNEL_NONE,
 	RSBS_CHANNEL_SYSTEM,
+	RSBS_CHANNEL_NAMESPACE,
 };
 
 struct rosetta_bootstrap_handle {

toolchain/mxdbg/client/CMakeLists.txt

@@ -6,6 +6,9 @@ file(GLOB sources
 
 add_executable(mxdbg ${sources})
 
+find_package(Threads REQUIRED)
+
 target_link_libraries(mxdbg
 	magenta_debug
+	Threads::Threads
 	FX::Runtime FX::Collections FX::Term FX::Cmdline)

toolchain/mxdbg/client/context.c

@@ -5,6 +5,7 @@
 #include <arpa/inet.h>
 #include <magenta/debug/packet.h>
 #include <netinet/in.h>
+#include <signal.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <sys/socket.h>
@@ -26,7 +27,14 @@ void debug_context_cleanup(struct debug_context *ctx)
 		close(ctx->ctx_sock);
 	}
 
+	pthread_cond_broadcast(&ctx->ctx_packet_cond);
+	pthread_kill(ctx->ctx_packet_thread, SIGINT);
+	pthread_kill(ctx->ctx_event_thread, SIGINT);
+
+	printf("joining threads...\n");
 	pthread_join(ctx->ctx_packet_thread, NULL);
+	pthread_join(ctx->ctx_event_thread, NULL);
+	printf("threads joined\n");
 }
 
 static void *packet_thread(void *arg)

toolchain/mxdbg/client/packet.c

@@ -6,7 +6,7 @@ struct packet *packet_create(size_t packet_size)
 {
 	size_t real_packet_size = sizeof(struct packet) + packet_size
 	                        - sizeof(struct mxdbg_packet);
-	return calloc(1, packet_size);
+	return calloc(1, real_packet_size);
 }
 
 void packet_destroy(struct packet *packet)