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changed to print backtrace upon assertion failure.

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fixed some process scheduler bugs
This commit is contained in:
hyunghwan.chung 2017-08-17 18:10:29 +00:00
parent 8f6b21a4f6
commit a7675116b6
5 changed files with 92 additions and 24 deletions
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4
moo/lib/Makefile.am
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@ -80,7 +80,6 @@ if ENABLE_MOD_X11
libmoo_la_LIBADD += -lmoo-x11
libmoo_la_DEPENDENCIES += $(abs_builddir)/../mod/libmoo-x11.la
endif
endif
bin_PROGRAMS = moo
@ -88,6 +87,9 @@ moo_SOURCES = main.c
moo_CPPFLAGS = $(CPPFLAGS_LIB_COMMON)
moo_LDFLAGS = $(LDFLAGS_LIB_COMMON)
moo_LDADD = $(LIBADD_LIB_COMMON) -lmoo -lpthread
if ENABLE_STATIC_MODULE
moo_DEPENDENCIES = libmoo.la
endif
install-data-hook:

3
moo/lib/Makefile.in
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@ -106,6 +106,7 @@ host_triplet = @host@
@ENABLE_MOD_X11_TRUE@@ENABLE_STATIC_MODULE_TRUE@am__append_8 = -lmoo-x11
@ENABLE_MOD_X11_TRUE@@ENABLE_STATIC_MODULE_TRUE@am__append_9 = $(abs_builddir)/../mod/libmoo-x11.la
bin_PROGRAMS = moo$(EXEEXT)
@ENABLE_STATIC_MODULE_FALSE@moo_DEPENDENCIES = $(am__DEPENDENCIES_3)
subdir = lib
ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
am__aclocal_m4_deps = $(top_srcdir)/m4/ax_cxx_namespace.m4 \
@ -172,7 +173,6 @@ libmoo_la_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
PROGRAMS = $(bin_PROGRAMS)
am_moo_OBJECTS = moo-main.$(OBJEXT)
moo_OBJECTS = $(am_moo_OBJECTS)
moo_DEPENDENCIES = $(am__DEPENDENCIES_3)
moo_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
$(moo_LDFLAGS) $(LDFLAGS) -o $@
@ -459,6 +459,7 @@ moo_SOURCES = main.c
moo_CPPFLAGS = $(CPPFLAGS_LIB_COMMON)
moo_LDFLAGS = $(LDFLAGS_LIB_COMMON)
moo_LDADD = $(LIBADD_LIB_COMMON) -lmoo -lpthread
@ENABLE_STATIC_MODULE_TRUE@moo_DEPENDENCIES = libmoo.la
all: moo-cfg.h
$(MAKE) $(AM_MAKEFLAGS) all-am

32
moo/lib/err.c
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@ -177,6 +177,11 @@ const moo_ooch_t* moo_synerrnumtoerrstr (moo_synerrnum_t errnum)
* SYSTEM DEPENDENT FUNCTIONS
* -------------------------------------------------------------------------- */
#if defined(HAVE_EXECINFO_H)
# include <execinfo.h>
# include <stdlib.h>
#endif
#if defined(_WIN32)
# include <windows.h>
#elif defined(__OS2__)
@ -277,8 +282,32 @@ moo_errnum_t moo_syserrtoerrnum (int e)
void moo_assertfailed (moo_t* moo, const moo_bch_t* expr, const moo_bch_t* file, moo_oow_t line)
{
#if defined(HAVE_BACKTRACE)
void* btarray[128];
moo_oow_t btsize;
char** btsyms;
#endif
moo_logbfmt (moo, MOO_LOG_DEBUG, "ASSERTION FAILURE: %s at %s:%zu\n", expr, file, line);
#if defined(HAVE_BACKTRACE)
btsize = backtrace (btarray, MOO_COUNTOF(btarray));
btsyms = backtrace_symbols (btarray, btsize);
if (btsyms)
{
moo_oow_t i;
moo_logbfmt (moo, MOO_LOG_DEBUG, "[BACKTRACE]\n");
for (i = 0; i < btsize; i++)
{
moo_logbfmt(moo, MOO_LOG_DEBUG, " %s\n", btsyms[i]);
}
free (btsyms);
}
#endif
#if defined(_WIN32)
ExitProcess (249);
#elif defined(__OS2__)
@ -296,8 +325,11 @@ void moo_assertfailed (moo_t* moo, const moo_bch_t* expr, const moo_bch_t* file,
sys$exit (SS$_ABORT); /* this condition code can be shown with
* 'show symbol $status' from the command-line. */
#elif defined(macintosh)
ExitToShell ();
#else
kill (getpid(), SIGABRT);
_exit (1);
#endif

75
moo/lib/exec.c
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@ -32,7 +32,19 @@
#define PROC_STATE_SUSPENDED 0
#define PROC_STATE_TERMINATED -1
static const char* proc_state_to_string (int state)
{
static const char* str[] =
{
"TERMINATED",
"SUSPENDED",
"RUNNABLE",
"WAITING",
"RUNNING"
};
return str[state + 1];
}
/* TODO: adjust this process map increment value */
#define PROC_MAP_INC 64
@ -286,15 +298,16 @@ static moo_oop_process_t make_process (moo_t* moo, moo_oop_context_t c)
static MOO_INLINE void sleep_active_process (moo_t* moo, int state)
{
#if defined(MOO_DEBUG_VM_PROCESSOR)
MOO_LOG3 (moo, MOO_LOG_IC | MOO_LOG_DEBUG, "Processor - put process [%zd] context %O ip=%zd to sleep\n", MOO_OOP_TO_SMOOI(moo->processor->active->id), moo->active_context, moo->ip);
#endif
STORE_ACTIVE_SP(moo);
/* store the current active context to the current process.
* it is the suspended context of the process to be suspended */
MOO_ASSERT (moo, moo->processor->active != moo->nil_process);
#if defined(MOO_DEBUG_VM_PROCESSOR)
MOO_LOG3 (moo, MOO_LOG_IC | MOO_LOG_DEBUG, "Processor - active process [%zd] %hs->%hs\n", MOO_OOP_TO_SMOOI(moo->processor->active->id), proc_state_to_string(MOO_OOP_TO_SMOOI(moo->processor->active->state)), proc_state_to_string(state));
#endif
moo->processor->active->current_context = moo->active_context;
moo->processor->active->state = MOO_SMOOI_TO_OOP(state);
}
@ -302,6 +315,11 @@ static MOO_INLINE void sleep_active_process (moo_t* moo, int state)
static MOO_INLINE void wake_process (moo_t* moo, moo_oop_process_t proc)
{
/* activate the given process */
#if defined(MOO_DEBUG_VM_PROCESSOR)
MOO_LOG2 (moo, MOO_LOG_IC | MOO_LOG_DEBUG, "Processor - process [%zd] %hs->RUNNING\n", MOO_OOP_TO_SMOOI(proc->id), proc_state_to_string(MOO_OOP_TO_SMOOI(proc->state)));
#endif
MOO_ASSERT (moo, proc->state == MOO_SMOOI_TO_OOP(PROC_STATE_RUNNABLE));
proc->state = MOO_SMOOI_TO_OOP(PROC_STATE_RUNNING);
moo->processor->active = proc;
@ -391,15 +409,29 @@ static MOO_INLINE void unchain_from_processor (moo_t* moo, moo_oop_process_t pro
moo_ooi_t suspended_count;
moo_ooi_t total_count;
/* the processor's process chain must be composed of running/runnable
* processes only */
MOO_ASSERT (moo, proc->state == MOO_SMOOI_TO_OOP(PROC_STATE_RUNNING) ||
proc->state == MOO_SMOOI_TO_OOP(PROC_STATE_RUNNABLE));
proc->state == MOO_SMOOI_TO_OOP(PROC_STATE_RUNNABLE) ||
proc->state == MOO_SMOOI_TO_OOP(PROC_STATE_SUSPENDED));
runnable_count = MOO_OOP_TO_SMOOI(moo->processor->runnable.count);
MOO_ASSERT (moo, runnable_count > 0);
MOO_ASSERT (moo, proc->state != MOO_SMOOI_TO_OOP(new_state));
MOO_DELETE_FROM_OOP_LIST (moo, &moo->processor->runnable, proc, ps);
if (proc->state == MOO_SMOOI_TO_OOP(PROC_STATE_SUSPENDED))
{
suspended_count = MOO_OOP_TO_SMOOI(moo->processor->suspended.count);
MOO_ASSERT (moo, suspended_count > 0);
MOO_DELETE_FROM_OOP_LIST (moo, &moo->processor->suspended, proc, ps);
suspended_count--;
moo->processor->suspended.count = MOO_SMOOI_TO_OOP(suspended_count);
}
else
{
runnable_count = MOO_OOP_TO_SMOOI(moo->processor->runnable.count);
MOO_ASSERT (moo, runnable_count > 0);
MOO_DELETE_FROM_OOP_LIST (moo, &moo->processor->runnable, proc, ps);
runnable_count--;
moo->processor->runnable.count = MOO_SMOOI_TO_OOP(runnable_count);
if (runnable_count == 0) moo->processor->active = moo->nil_process;
}
if (new_state == PROC_STATE_TERMINATED)
{
@ -423,10 +455,6 @@ static MOO_INLINE void unchain_from_processor (moo_t* moo, moo_oop_process_t pro
}
proc->state = MOO_SMOOI_TO_OOP(new_state);
runnable_count--;
if (runnable_count == 0) moo->processor->active = moo->nil_process;
moo->processor->runnable.count = MOO_SMOOI_TO_OOP(runnable_count);
}
static MOO_INLINE void chain_into_semaphore (moo_t* moo, moo_oop_process_t proc, moo_oop_semaphore_t sem)
@ -462,9 +490,8 @@ static void terminate_process (moo_t* moo, moo_oop_process_t proc)
proc->state == MOO_SMOOI_TO_OOP(PROC_STATE_RUNNABLE))
{
/* RUNNING/RUNNABLE ---> TERMINATED */
#if defined(MOO_DEBUG_VM_PROCESSOR)
MOO_LOG1 (moo, MOO_LOG_IC | MOO_LOG_DEBUG, "Processor - process [%zd] RUNNING/RUNNABLE->TERMINATED\n", MOO_OOP_TO_SMOOI(proc->id));
MOO_LOG2 (moo, MOO_LOG_IC | MOO_LOG_DEBUG, "Processor - process [%zd] %hs->TERMINATED\n", MOO_OOP_TO_SMOOI(proc->id), proc_state_to_string(MOO_OOP_TO_SMOOI(proc->state)));
#endif
if (proc == moo->processor->active)
@ -505,7 +532,7 @@ static void terminate_process (moo_t* moo, moo_oop_process_t proc)
{
/* SUSPENDED ---> TERMINATED */
#if defined(MOO_DEBUG_VM_PROCESSOR)
MOO_LOG1 (moo, MOO_LOG_IC | MOO_LOG_DEBUG, "Processor - process [%zd] SUSPENDED->TERMINATED\n", MOO_OOP_TO_SMOOI(proc->id));
MOO_LOG2 (moo, MOO_LOG_IC | MOO_LOG_DEBUG, "Processor - process [%zd] %hs->TERMINATED\n", MOO_OOP_TO_SMOOI(proc->id), proc_state_to_string(MOO_OOP_TO_SMOOI(proc->state)));
#endif
/*proc->state = MOO_SMOOI_TO_OOP(PROC_STATE_TERMINATED);*/
@ -533,12 +560,12 @@ static void resume_process (moo_t* moo, moo_oop_process_t proc)
{
if (proc->state == MOO_SMOOI_TO_OOP(PROC_STATE_SUSPENDED))
{
/* SUSPENDED ---> RUNNING */
/* SUSPENDED ---> RUNNABLE */
/*MOO_ASSERT (moo, (moo_oop_t)proc->ps.prev == moo->_nil);
MOO_ASSERT (moo, (moo_oop_t)proc->ps.next == moo->_nil);*/
#if defined(MOO_DEBUG_VM_PROCESSOR)
MOO_LOG1 (moo, MOO_LOG_IC | MOO_LOG_DEBUG, "Processor - process [%zd] SUSPENDED->RUNNING\n", MOO_OOP_TO_SMOOI(proc->id));
MOO_LOG1 (moo, MOO_LOG_IC | MOO_LOG_DEBUG, "Processor - process [%zd] SUSPENDED->RUNNABLE\n", MOO_OOP_TO_SMOOI(proc->id));
#endif
/* don't switch to this process. just change the state to RUNNABLE.
@ -565,11 +592,12 @@ static void suspend_process (moo_t* moo, moo_oop_process_t proc)
/* RUNNING/RUNNABLE ---> SUSPENDED */
#if defined(MOO_DEBUG_VM_PROCESSOR)
MOO_LOG1 (moo, MOO_LOG_IC | MOO_LOG_DEBUG, "Processor - process [%zd] RUNNING/RUNNABLE->SUSPENDED\n", MOO_OOP_TO_SMOOI(proc->id));
MOO_LOG2 (moo, MOO_LOG_IC | MOO_LOG_DEBUG, "Processor - process [%zd] %hs->SUSPENDED\n", MOO_OOP_TO_SMOOI(proc->id), proc_state_to_string(MOO_OOP_TO_SMOOI(proc->state)));
#endif
if (proc == moo->processor->active)
{
/* suspend the active process */
moo_oop_process_t nrp;
nrp = find_next_runnable_process (moo);
@ -4597,8 +4625,13 @@ static MOO_INLINE int switch_process_if_needed (moo_t* moo)
* it uses wake_process() instead of
* switch_to_process() as there is no running
* process at this moment */
#if defined(MOO_DEBUG_VM_PROCESSOR)
MOO_LOG2 (moo, MOO_LOG_IC | MOO_LOG_DEBUG, "Processor - switching to a process [%zd] while no process is active - total runnables %zd\n", MOO_OOP_TO_SMOOI(proc->id), MOO_OOP_TO_SMOOI(moo->processor->runnable.count));
#endif
MOO_ASSERT (moo, proc->state == MOO_SMOOI_TO_OOP(PROC_STATE_RUNNABLE));
MOO_ASSERT (moo, proc == moo->processor->runnable.first);
MOO_ASSERT (moo, proc == moo->processor->runnable.last); /* resume_process() appends to the runnable list */
#if 0
wake_process (moo, proc); /* switch to running */
moo->proc_switched = 1;

2
moo/lib/moo-prv.h
View File

@ -49,7 +49,7 @@
#define MOO_DEBUG_GC
/*#define MOO_DEBUG_LEXER*/
#define MOO_DEBUG_COMPILER
/*#define MOO_DEBUG_VM_PROCESSOR*/
#define MOO_DEBUG_VM_PROCESSOR
/*#define MOO_DEBUG_VM_EXEC*/
#define MOO_DEBUG_BIGINT
#define MOO_PROFILE_VM