diff options
author | k0kubun <k0kubun@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2019-01-10 13:21:58 +0000 |
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committer | k0kubun <k0kubun@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2019-01-10 13:21:58 +0000 |
commit | bb1a1aeab0f2a5fe437c89b841a887ba56653453 (patch) | |
tree | 16818aeb66a9f256eb8e3912c230ff99e0247318 /mjit_worker.c | |
parent | 5da9bd0ee5b9a4faf503942b803b8b54b70c98ee (diff) | |
download | ruby-bb1a1aeab0f2a5fe437c89b841a887ba56653453.tar.gz |
mjit.c: use boolean type for boolean variables
and functions to clarify the intention and make sure it's not used in a
surprising way (like using 2, 3, ... other than 0, 1 even while it seems
to be a boolean).
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66775 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'mjit_worker.c')
-rw-r--r-- | mjit_worker.c | 81 |
1 files changed, 39 insertions, 42 deletions
diff --git a/mjit_worker.c b/mjit_worker.c index eab4654f9c..d9747cbccf 100644 --- a/mjit_worker.c +++ b/mjit_worker.c @@ -171,11 +171,11 @@ extern rb_pid_t ruby_waitpid_locked(rb_vm_t *, rb_pid_t, int *status, int option freed. */ struct mjit_options mjit_opts; -/* TRUE if MJIT is enabled. */ -int mjit_enabled = FALSE; -/* TRUE if JIT-ed code should be called. When `ruby_vm_event_enabled_global_flags & ISEQ_TRACE_EVENTS` - and `mjit_call_p == FALSE`, any JIT-ed code execution is cancelled as soon as possible. */ -int mjit_call_p = FALSE; +// true if MJIT is enabled. +bool mjit_enabled = false; +// TRUE if JIT-ed code should be called. When `ruby_vm_event_enabled_global_flags & ISEQ_TRACE_EVENTS` +// and `mjit_call_p == false`, any JIT-ed code execution is cancelled as soon as possible. +bool mjit_call_p = false; /* Priority queue of iseqs waiting for JIT compilation. This variable is a pointer to head unit of the queue. */ @@ -198,14 +198,14 @@ static rb_nativethread_cond_t mjit_client_wakeup; static rb_nativethread_cond_t mjit_worker_wakeup; /* A thread conditional to wake up workers if at the end of GC. */ static rb_nativethread_cond_t mjit_gc_wakeup; -/* True when GC is working. */ -static int in_gc; -/* True when JIT is working. */ -static int in_jit; -/* Set to TRUE to stop worker. */ -static int stop_worker_p; -/* Set to TRUE if worker is stopped. */ -static int worker_stopped; +// true when GC is working. +static bool in_gc; +// true when JIT is working. +static bool in_jit; +// Set to true to stop worker. +static bool stop_worker_p; +// Set to true if worker is stopped. +static bool worker_stopped; /* Path of "/tmp", which can be changed to $TMP in MinGW. */ static char *tmp_dir; @@ -363,7 +363,7 @@ clean_object_files(struct rb_mjit_unit *unit) char *so_file = unit->so_file; unit->so_file = NULL; - /* unit->so_file is set only when mjit_opts.save_temps is FALSE. */ + // unit->so_file is set only when mjit_opts.save_temps is false. remove_file(so_file); free(so_file); } @@ -444,14 +444,12 @@ real_ms_time(void) } #endif -/* Return TRUE if class_serial is not obsoleted. This is used by mjit_compile.c. */ -int +// Return true if class_serial is not obsoleted. This is used by mjit_compile.c. +bool mjit_valid_class_serial_p(rb_serial_t class_serial) { - int found_p; - CRITICAL_SECTION_START(3, "in valid_class_serial_p"); - found_p = rb_hash_stlike_lookup(valid_class_serials, LONG2FIX(class_serial), NULL); + bool found_p = rb_hash_stlike_lookup(valid_class_serials, LONG2FIX(class_serial), NULL); CRITICAL_SECTION_FINISH(3, "in valid_class_serial_p"); return found_p; } @@ -653,7 +651,7 @@ remove_so_file(const char *so_file, struct rb_mjit_unit *unit) #ifdef _MSC_VER /* Compile C file to so. It returns 1 if it succeeds. (mswin) */ -static int +static bool compile_c_to_so(const char *c_file, const char *so_file) { int exit_code; @@ -703,7 +701,7 @@ compile_c_to_so(const char *c_file, const char *so_file) args = form_args(5, CC_LDSHARED_ARGS, CC_CODEFLAG_ARGS, files, CC_LIBS, CC_DLDFLAGS_ARGS); if (args == NULL) - return FALSE; + return false; exit_code = exec_process(cc_path, args); free(args); @@ -771,7 +769,7 @@ make_pch(void) } /* Compile .c file to .o file. It returns 1 if it succeeds. (non-mswin) */ -static int +static bool compile_c_to_o(const char *c_file, const char *o_file) { int exit_code; @@ -791,7 +789,7 @@ compile_c_to_o(const char *c_file, const char *o_file) # endif args = form_args(5, cc_common_args, CC_CODEFLAG_ARGS, files, CC_LIBS, CC_DLDFLAGS_ARGS); if (args == NULL) - return FALSE; + return false; exit_code = exec_process(cc_path, args); free(args); @@ -802,7 +800,7 @@ compile_c_to_o(const char *c_file, const char *o_file) } /* Link .o files to .so file. It returns 1 if it succeeds. (non-mswin) */ -static int +static bool link_o_to_so(const char **o_files, const char *so_file) { int exit_code; @@ -819,7 +817,7 @@ link_o_to_so(const char **o_files, const char *so_file) args = form_args(6, CC_LDSHARED_ARGS, CC_CODEFLAG_ARGS, options, o_files, CC_LIBS, CC_DLDFLAGS_ARGS); if (args == NULL) - return FALSE; + return false; exit_code = exec_process(cc_path, args); free(args); @@ -840,7 +838,7 @@ compact_all_jit_code(void) static const char so_ext[] = DLEXT; char so_file[MAXPATHLEN]; const char **o_files; - int i = 0, success; + int i = 0; /* Abnormal use case of rb_mjit_unit that doesn't have ISeq */ unit = calloc(1, sizeof(struct rb_mjit_unit)); /* To prevent GC, don't use ZALLOC */ @@ -858,7 +856,7 @@ compact_all_jit_code(void) } start_time = real_ms_time(); - success = link_o_to_so(o_files, so_file); + bool success = link_o_to_so(o_files, so_file); end_time = real_ms_time(); /* TODO: Shrink this big critical section. For now, this is needed to prevent failure by missing .o files. @@ -983,7 +981,6 @@ static mjit_func_t convert_unit_to_func(struct rb_mjit_unit *unit, struct rb_call_cache *cc_entries, union iseq_inline_storage_entry *is_entries) { char c_file_buff[MAXPATHLEN], *c_file = c_file_buff, *so_file, funcname[35]; /* TODO: reconsider `35` */ - int success; int fd; FILE *f; void *func; @@ -1044,10 +1041,10 @@ convert_unit_to_func(struct rb_mjit_unit *unit, struct rb_call_cache *cc_entries if (!mjit_opts.save_temps) remove_file(c_file); free_unit(unit); - in_jit = FALSE; /* just being explicit for return */ + in_jit = false; // just being explicit for return } else { - in_jit = TRUE; + in_jit = true; } CRITICAL_SECTION_FINISH(3, "before mjit_compile to wait GC finish"); if (!in_jit) { @@ -1062,11 +1059,11 @@ convert_unit_to_func(struct rb_mjit_unit *unit, struct rb_call_cache *cc_entries verbose(2, "start compilation: %s@%s:%d -> %s", label, path, lineno, c_file); fprintf(f, "/* %s@%s:%d */\n\n", label, path, lineno); } - success = mjit_compile(f, unit->iseq->body, funcname, cc_entries, is_entries); + bool success = mjit_compile(f, unit->iseq->body, funcname, cc_entries, is_entries); /* release blocking mjit_gc_start_hook */ CRITICAL_SECTION_START(3, "after mjit_compile to wakeup client for GC"); - in_jit = FALSE; + in_jit = false; verbose(3, "Sending wakeup signal to client in a mjit-worker for GC"); rb_native_cond_signal(&mjit_client_wakeup); CRITICAL_SECTION_FINISH(3, "in worker to wakeup client for GC"); @@ -1124,7 +1121,7 @@ typedef struct { struct rb_mjit_unit *unit; struct rb_call_cache *cc_entries; union iseq_inline_storage_entry *is_entries; - int finish_p; + bool finish_p; } mjit_copy_job_t; /* Singleton MJIT copy job. This is made global since it needs to be durable even when MJIT worker thread is stopped. @@ -1139,11 +1136,11 @@ int rb_workqueue_register(unsigned flags, rb_postponed_job_func_t , void *); /* We're lazily copying cache values from main thread because these cache values could be different between ones on enqueue timing and ones on dequeue timing. Return TRUE if copy succeeds. */ -static int +static bool copy_cache_from_main_thread(mjit_copy_job_t *job) { CRITICAL_SECTION_START(3, "in copy_cache_from_main_thread"); - job->finish_p = FALSE; /* allow dispatching this job in mjit_copy_job_handler */ + job->finish_p = false; // allow dispatching this job in mjit_copy_job_handler CRITICAL_SECTION_FINISH(3, "in copy_cache_from_main_thread"); if (UNLIKELY(mjit_opts.wait)) { @@ -1152,7 +1149,7 @@ copy_cache_from_main_thread(mjit_copy_job_t *job) } if (!rb_workqueue_register(0, mjit_copy_job_handler, (void *)job)) - return FALSE; + return false; CRITICAL_SECTION_START(3, "in MJIT copy job wait"); /* checking `stop_worker_p` too because `RUBY_VM_CHECK_INTS(ec)` may not lush mjit_copy_job_handler when EC_EXEC_TAG() is not TAG_NONE, and then @@ -1179,9 +1176,9 @@ mjit_worker(void) } #endif if (pch_status == PCH_FAILED) { - mjit_enabled = FALSE; + mjit_enabled = false; CRITICAL_SECTION_START(3, "in worker to update worker_stopped"); - worker_stopped = TRUE; + worker_stopped = true; verbose(3, "Sending wakeup signal to client in a mjit-worker"); rb_native_cond_signal(&mjit_client_wakeup); CRITICAL_SECTION_FINISH(3, "in worker to update worker_stopped"); @@ -1199,7 +1196,7 @@ mjit_worker(void) verbose(3, "Getting wakeup from client"); } unit = get_from_list(&unit_queue); - job->finish_p = TRUE; /* disable dispatching this job in mjit_copy_job_handler while it's being modified */ + job->finish_p = true; /* disable dispatching this job in mjit_copy_job_handler while it's being modified */ CRITICAL_SECTION_FINISH(3, "in worker dequeue"); if (unit) { @@ -1216,7 +1213,7 @@ mjit_worker(void) /* Copy ISeq's inline caches values to avoid race condition. */ if (job->cc_entries != NULL || job->is_entries != NULL) { - if (copy_cache_from_main_thread(job) == FALSE) { + if (copy_cache_from_main_thread(job) == false) { continue; /* retry postponed_job failure, or stop worker */ } } @@ -1247,8 +1244,8 @@ mjit_worker(void) /* Disable dispatching this job in mjit_copy_job_handler while memory allocated by alloca could be expired after finishing this function. */ - job->finish_p = TRUE; + job->finish_p = true; /* To keep mutex unlocked when it is destroyed by mjit_finish, don't wrap CRITICAL_SECTION here. */ - worker_stopped = TRUE; + worker_stopped = true; } |