*
* Copyright 2001-2003 Ximian, Inc.
* Copyright 2003-2008 Ximian, Inc.
+ * Copyright 2011 Xamarin, Inc (http://www.xamarin.com)
*
* See LICENSE for licensing information.
*/
#include <mono/utils/mono-logger-internal.h>
#include <mono/utils/mono-mmap.h>
#include <mono/utils/dtrace.h>
+#include <mono/utils/mono-signal-handler.h>
#include "mini.h"
#include <string.h>
{
}
+pid_t
+mono_runtime_syscall_fork (void)
+{
+ g_assert_not_reached();
+ return 0;
+}
+void
+mono_gdb_render_native_backtraces (pid_t crashed_pid)
+{
+}
#else
GET_CONTEXT;
- if (saved_handler) {
+ if (saved_handler && saved_handler->sa_handler) {
if (!(saved_handler->sa_flags & SA_SIGINFO)) {
saved_handler->sa_handler (signal);
} else {
return FALSE;
}
-static void
-SIG_HANDLER_SIGNATURE (sigabrt_signal_handler)
+SIG_HANDLER_FUNC (static, sigabrt_signal_handler)
{
MonoJitInfo *ji = NULL;
GET_CONTEXT;
}
}
-static void
-SIG_HANDLER_SIGNATURE (sigusr1_signal_handler)
+SIG_HANDLER_FUNC (static, sigusr1_signal_handler)
{
- MonoContext mctx;
gboolean running_managed;
MonoException *exc;
MonoInternalThread *thread = mono_thread_internal_current ();
GET_CONTEXT;
- if (!thread || !domain)
+ if (!thread || !domain) {
/* The thread might not have started up yet */
/* FIXME: Specify the synchronization with start_wrapper () in threads.c */
+ mono_debugger_agent_thread_interrupt (ctx, NULL);
+ return;
+ }
+
+ if (thread->ignore_next_signal) {
+ thread->ignore_next_signal = FALSE;
return;
+ }
if (thread->thread_dump_requested) {
thread->thread_dump_requested = FALSE;
*/
#ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
if (!mono_aot_only && ctx) {
- mono_arch_sigctx_to_monoctx (ctx, &mctx);
- if (mono_install_handler_block_guard (thread, &mctx)) {
- return;
+ MonoThreadUnwindState unwind_state;
+ if (mono_thread_state_init_from_sigctx (&unwind_state, ctx)) {
+ if (mono_install_handler_block_guard (&unwind_state)) {
+#ifndef HOST_WIN32
+ /*Clear current thread from been wapi interrupted otherwise things can go south*/
+ wapi_clear_interruption ();
+#endif
+ return;
+ }
}
}
#endif
if (!exc)
return;
- mono_arch_handle_exception (ctx, exc, FALSE);
+ mono_arch_handle_exception (ctx, exc);
}
+
#if defined(__i386__) || defined(__x86_64__)
#define FULL_STAT_PROFILER_BACKTRACE 1
#define CURRENT_FRAME_GET_BASE_POINTER(f) (* (gpointer*)(f))
#if defined(__ia64__) || defined(__sparc__) || defined(sparc) || defined(__s390__) || defined(s390)
-static void
-SIG_HANDLER_SIGNATURE (sigprof_signal_handler)
+SIG_HANDLER_FUNC (static, sigprof_signal_handler)
{
if (mono_chain_signal (SIG_HANDLER_PARAMS))
return;
#else
-static void
-SIG_HANDLER_SIGNATURE (sigprof_signal_handler)
+SIG_HANDLER_FUNC (static, sigprof_signal_handler)
{
int call_chain_depth = mono_profiler_stat_get_call_chain_depth ();
MonoProfilerCallChainStrategy call_chain_strategy = mono_profiler_stat_get_call_chain_strategy ();
if (call_chain_depth == 0) {
mono_profiler_stat_hit (mono_arch_ip_from_context (ctx), ctx);
} else {
- MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id);
+ MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
int current_frame_index = 1;
MonoContext mono_context;
guchar *ips [call_chain_depth + 1];
#endif
-static void
-SIG_HANDLER_SIGNATURE (sigquit_signal_handler)
+SIG_HANDLER_FUNC (static, sigquit_signal_handler)
{
gboolean res;
if (res)
return;
- printf ("Full thread dump:\n");
+ if (mono_thread_info_new_interrupt_enabled ()) {
+ mono_threads_request_thread_dump ();
+ } else {
+ printf ("Full thread dump:\n");
- mono_threads_request_thread_dump ();
+ mono_threads_request_thread_dump ();
- /*
- * print_thread_dump () skips the current thread, since sending a signal
- * to it would invoke the signal handler below the sigquit signal handler,
- * and signal handlers don't create an lmf, so the stack walk could not
- * be performed.
- */
- mono_print_thread_dump (ctx);
+ /*
+ * print_thread_dump () skips the current thread, since sending a signal
+ * to it would invoke the signal handler below the sigquit signal handler,
+ * and signal handlers don't create an lmf, so the stack walk could not
+ * be performed.
+ */
+ mono_print_thread_dump (ctx);
+ }
mono_chain_signal (SIG_HANDLER_PARAMS);
}
-static void
-SIG_HANDLER_SIGNATURE (sigusr2_signal_handler)
+SIG_HANDLER_FUNC (static, sigusr2_signal_handler)
{
gboolean enabled = mono_trace_is_enabled ();
sigemptyset (&sa.sa_mask);
sa.sa_flags = SA_SIGINFO;
#ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
+
+/*Apple likes to deliver SIGBUS for *0 */
+#ifdef __APPLE__
+ if (signo == SIGSEGV || signo == SIGBUS) {
+#else
if (signo == SIGSEGV) {
+#endif
sa.sa_flags |= SA_ONSTACK;
/*
if (mono_jit_trace_calls != NULL)
add_signal_handler (SIGUSR2, sigusr2_signal_handler);
- add_signal_handler (mono_thread_get_abort_signal (), sigusr1_signal_handler);
+ if (!mono_thread_info_new_interrupt_enabled ())
+ add_signal_handler (mono_thread_get_abort_signal (), sigusr1_signal_handler);
/* it seems to have become a common bug for some programs that run as parents
* of many processes to block signal delivery for real time signals.
* We try to detect and work around their breakage here.
*/
sigemptyset (&signal_set);
sigaddset (&signal_set, mono_thread_get_abort_signal ());
+ if (mono_gc_get_suspend_signal () != -1)
+ sigaddset (&signal_set, mono_gc_get_suspend_signal ());
+ if (mono_gc_get_restart_signal () != -1)
+ sigaddset (&signal_set, mono_gc_get_restart_signal ());
+ sigaddset (&signal_set, SIGCHLD);
sigprocmask (SIG_UNBLOCK, &signal_set, NULL);
signal (SIGPIPE, SIG_IGN);
return (pid_t) syscall (SYS_fork);
#else
g_assert_not_reached ();
- return;
+ return 0;
#endif
}
-gboolean
-mono_gdb_render_native_backtraces ()
+void
+mono_gdb_render_native_backtraces (pid_t crashed_pid)
{
const char *argv [9];
+ char template [] = "/tmp/mono-lldb-commands.XXXXXX";
char buf1 [128];
+ FILE *commands;
+ gboolean using_lldb = FALSE;
argv [0] = g_find_program_in_path ("gdb");
if (argv [0] == NULL) {
- return FALSE;
+ argv [0] = g_find_program_in_path ("lldb");
+ using_lldb = TRUE;
}
- argv [1] = "-ex";
- sprintf (buf1, "attach %ld", (long)getpid ());
- argv [2] = buf1;
- argv [3] = "--ex";
- argv [4] = "info threads";
- argv [5] = "--ex";
- argv [6] = "thread apply all bt";
- argv [7] = "--batch";
- argv [8] = 0;
+ if (argv [0] == NULL)
+ return;
+
+ if (using_lldb) {
+ if (mkstemp (template) == -1)
+ return;
+
+ commands = fopen (template, "w");
+
+ fprintf (commands, "process attach --pid %ld\n", (long) crashed_pid);
+ fprintf (commands, "thread list\n");
+ fprintf (commands, "thread backtrace all\n");
+ fprintf (commands, "detach\n");
+ fprintf (commands, "quit\n");
+
+ fflush (commands);
+ fclose (commands);
+
+ argv [1] = "--source";
+ argv [2] = template;
+ argv [3] = 0;
+ } else {
+ argv [1] = "-ex";
+ sprintf (buf1, "attach %ld", (long) crashed_pid);
+ argv [2] = buf1;
+ argv [3] = "--ex";
+ argv [4] = "info threads";
+ argv [5] = "--ex";
+ argv [6] = "thread apply all bt";
+ argv [7] = "--batch";
+ argv [8] = 0;
+ }
execv (argv [0], (char**)argv);
- return TRUE;
+ if (using_lldb)
+ unlink (template);
}
#endif
#endif /* __native_client__ */
+#if !defined (__MACH__)
+
+gboolean
+mono_thread_state_init_from_handle (MonoThreadUnwindState *tctx, MonoThreadInfo *info)
+{
+ g_error ("Posix systems don't support mono_thread_state_init_from_handle");
+ return FALSE;
+}
+
+#endif
projects / mono.git / blobdiff