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#ifndef RB_DEBUG_H /*-*-C++-*-vi:se ft=cpp:*/ #define RB_DEBUG_H 1 /** * @file * @author $Author: ko1 $ * @date Tue Nov 20 20:35:08 2012 * @copyright Copyright (C) 2012 Yukihiro Matsumoto * @copyright This file is a part of the programming language Ruby. * Permission is hereby granted, to either redistribute and/or * modify this file, provided that the conditions mentioned in the * file COPYING are met. Consult the file for details. */ #include "ruby/internal/attr/deprecated.h" #include "ruby/internal/attr/nonnull.h" #include "ruby/internal/attr/returns_nonnull.h" #include "ruby/internal/dllexport.h" #include "ruby/internal/event.h" #include "ruby/internal/value.h" RBIMPL_SYMBOL_EXPORT_BEGIN() /* Note: This file contains experimental APIs. */ /* APIs can be replaced at Ruby 2.0.1 or later */ /** * @name Frame-profiling APIs * * @{ */ RBIMPL_ATTR_NONNULL((3)) /** * Queries mysterious "frame"s of the given range. * * The returned values are opaque backtrace pointers, which you are allowed to * issue a very limited set of operations listed below. Don't call arbitrary * ruby methods. * * @param[in] start Start position (0 means the topmost). * @param[in] limit Number objects of `buff`. * @param[out] buff Return buffer. * @param[out] lines Return buffer. * @return Number of objects filled into `buff`. * @post `buff` is filled with backtrace pointers. * @post `lines` is filled with `__LINE__` of each backtraces. * * @internal * * @shyouhei doesn't like this abuse of ::VALUE. It should have been * `const struct rb_callable_method_entry_struct *`. */ int rb_profile_frames(int start, int limit, VALUE *buff, int *lines); /** * Queries mysterious "frame"s of the given range. * * A per-thread version of rb_profile_frames(). * Arguments and return values are the same with rb_profile_frames() with the * exception of the first argument _thread_, which accepts the Thread to be * profiled/queried. * * @param[in] thread The Ruby Thread to be profiled. * @param[in] start Start position (0 means the topmost). * @param[in] limit Number objects of `buff`. * @param[out] buff Return buffer. * @param[out] lines Return buffer. * @return Number of objects filled into `buff`. * @post `buff` is filled with backtrace pointers. * @post `lines` is filled with `__LINE__` of each backtraces. */ int rb_profile_thread_frames(VALUE thread, int start, int limit, VALUE *buff, int *lines); /** * Queries the path of the passed backtrace. * * @param[in] frame What rb_profile_frames() returned. * @retval RUBY_Qnil The frame is implemented in C etc. * @retval otherwise Where `frame` is running. */ VALUE rb_profile_frame_path(VALUE frame); /** * Identical to rb_profile_frame_path(), except it tries to expand the * returning path. In case the path is `require`-d from something else * rb_profile_frame_path() can return relative paths. This one tries to avoid * that. * * @param[in] frame What rb_profile_frames() returned. * @retval "<cfunc>" The frame is in C. * @retval RUBY_Qnil Can't infer real path (inside of `eval` etc.). * @retval otherwise Where `frame` is running. */ VALUE rb_profile_frame_absolute_path(VALUE frame); /** * Queries human-readable "label" string. This is `"<main>"` for the toplevel, * `"<compiled>"` for evaluated ones, method name for methods, class name for * classes. * * @param[in] frame What rb_profile_frames() returned. * @retval RUBY_Qnil Can't infer the label (C etc.). * @retval "<main>" The frame is global toplevel. * @retval "<compiled>" The frame is dynamic. * @retval otherwise Label of the frame. */ VALUE rb_profile_frame_label(VALUE frame); /** * Identical to rb_profile_frame_label(), except it does not "qualify" the * result. Consider the following backtrace: * * ```ruby * def bar * caller_locations * end * * def foo * [1].map { bar }.first * end * * obj = foo.first * obj.label # => "block in foo" * obj.base_label # => "foo" * ``` * * @param[in] frame What rb_profile_frames() returned. * @retval RUBY_Qnil Can't infer the label (C etc.). * @retval "<main>" The frame is global toplevel. * @retval "<compiled>" The frame is dynamic. * @retval otherwise Base label of the frame. */ VALUE rb_profile_frame_base_label(VALUE frame); /** * Identical to rb_profile_frame_label(), except it returns a qualified result. * * @param[in] frame What rb_profile_frames() returned. * @retval RUBY_Qnil Can't infer the label (C etc.). * @retval "<main>" The frame is global toplevel. * @retval "<compiled>" The frame is dynamic. * @retval otherwise Qualified label of the frame. * * @internal * * As of writing there is no way to obtain this return value from a Ruby * script. This may change in future (it took 8 years and still no progress, * though). */ VALUE rb_profile_frame_full_label(VALUE frame); /** * Queries the first line of the method of the passed frame pointer. Can be * handy when for instance a debugger want to display the frame in question. * * @param[in] frame What rb_profile_frames() returned. * @retval RUBY_Qnil Can't infer the line (C etc.). * @retval otherwise Line number of the method in question. */ VALUE rb_profile_frame_first_lineno(VALUE frame); /** * Queries the class path of the method that the passed frame represents. * * @param[in] frame What rb_profile_frames() returned. * @retval RUBY_Qnil Can't infer the class (global toplevel etc.). * @retval otherwise Class path as in rb_class_path(). */ VALUE rb_profile_frame_classpath(VALUE frame); /** * Queries if the method of the passed frame is a singleton class. * * @param[in] frame What rb_profile_frames() returned. * @retval RUBY_Qtrue It is a singleton method. * @retval RUBY_Qfalse Otherwise (normal method/non-method). */ VALUE rb_profile_frame_singleton_method_p(VALUE frame); /** * Queries the name of the method of the passed frame. * * @param[in] frame What rb_profile_frames() returned. * @retval RUBY_Qnil The frame in question is not a method. * @retval otherwise Name of the method of the frame. */ VALUE rb_profile_frame_method_name(VALUE frame); /** * Identical to rb_profile_frame_method_name(), except it "qualifies" the * return value with its defining class. * * @param[in] frame What rb_profile_frames() returned. * @retval RUBY_Qnil The frame in question is not a method. * @retval otherwise Qualified name of the method of the frame. */ VALUE rb_profile_frame_qualified_method_name(VALUE frame); /** @} */ /** * @name Debug inspector APIs * * @{ */ /** Opaque struct representing a debug inspector. */ typedef struct rb_debug_inspector_struct rb_debug_inspector_t; /** * Type of the callback function passed to rb_debug_inspector_open(). * Inspection shall happen only inside of them. The passed pointers gets * invalidated once after the callback returns. * * @param[in] dc A debug context. * @param[in,out] data What was passed to rb_debug_inspector_open(). * @return What would be the return value of rb_debug_inspector_open(). */ typedef VALUE (*rb_debug_inspector_func_t)(const rb_debug_inspector_t *dc, void *data); /** * Prepares, executes, then cleans up a debug session. * * @param[in] func A callback to run inside of a debug session. * @param[in,out] data Passed as-is to `func`. * @return What was returned from `func`. */ VALUE rb_debug_inspector_open(rb_debug_inspector_func_t func, void *data); /** * Queries the backtrace object of the context. This is as if you call * `caller_locations` at the point of debugger. * * @param[in] dc A debug context. * @return An array of `Thread::Backtrace::Location` which represents the * current point of execution at `dc`. */ VALUE rb_debug_inspector_backtrace_locations(const rb_debug_inspector_t *dc); /** * Queries the current receiver of the passed context's upper frame. * * @param[in] dc A debug context. * @param[in] index Index of the frame from top to bottom. * @exception rb_eArgError `index` out of range. * @return The current receiver at `index`-th frame. */ VALUE rb_debug_inspector_frame_self_get(const rb_debug_inspector_t *dc, long index); /** * Queries the current class of the passed context's upper frame. * * @param[in] dc A debug context. * @param[in] index Index of the frame from top to bottom. * @exception rb_eArgError `index` out of range. * @return The current class at `index`-th frame. */ VALUE rb_debug_inspector_frame_class_get(const rb_debug_inspector_t *dc, long index); /** * Queries the binding of the passed context's upper frame. * * @param[in] dc A debug context. * @param[in] index Index of the frame from top to bottom. * @exception rb_eArgError `index` out of range. * @return The binding at `index`-th frame. */ VALUE rb_debug_inspector_frame_binding_get(const rb_debug_inspector_t *dc, long index); /** * Queries the instruction sequence of the passed context's upper frame. * * @param[in] dc A debug context. * @param[in] index Index of the frame from top to bottom. * @exception rb_eArgError `index` out of range. * @retval RUBY_Qnil `index`-th frame is not in Ruby (C etc.). * @retval otherwise An instance of `RubyVM::InstructionSequence` which * represents the instruction sequence at `index`-th * frame. */ VALUE rb_debug_inspector_frame_iseq_get(const rb_debug_inspector_t *dc, long index); /** * Queries the depth of the passed context's upper frame. * * Note that the depth is not same as the frame index because debug_inspector * skips some special frames but the depth counts all frames. * * @param[in] dc A debug context. * @param[in] index Index of the frame from top to bottom. * @exception rb_eArgError `index` out of range. * @retval The depth at `index`-th frame in Integer. */ VALUE rb_debug_inspector_frame_depth(const rb_debug_inspector_t *dc, long index); // A macro to recognize `rb_debug_inspector_frame_depth()` is available or not #define RB_DEBUG_INSPECTOR_FRAME_DEPTH(dc, index) rb_debug_inspector_frame_depth(dc, index) /** * Return current frmae depth. * * @retval The depth of the current frame in Integer. */ VALUE rb_debug_inspector_current_depth(void); /** @} */ /** * @name Old style set_trace_func APIs * * @{ */ /* duplicated def of include/ruby/ruby.h */ #include "ruby/internal/event.h" /** * Identical to rb_remove_event_hook(), except it additionally takes the data * argument. This extra argument is the same as that of rb_add_event_hook(), * and this function removes the hook which matches both arguments at once. * * @param[in] func A callback. * @param[in] data What to be passed to `func`. * @return Number of deleted event hooks. * @note As multiple events can share the same `func` it is quite * possible for the return value to become more than one. */ int rb_remove_event_hook_with_data(rb_event_hook_func_t func, VALUE data); /** * Identical to rb_add_event_hook(), except its effect is limited to the passed * thread. Other threads are not affected by this. * * @param[in] thval An instance of ::rb_cThread. * @param[in] func A callback. * @param[in] events A set of events that `func` should run. * @param[in] data Passed as-is to `func`. * @exception rb_eTypeError `thval` is not a thread. */ void rb_thread_add_event_hook(VALUE thval, rb_event_hook_func_t func, rb_event_flag_t events, VALUE data); /** * Identical to rb_remove_event_hook(), except it additionally takes a thread * argument. This extra argument is the same as that of * rb_thread_add_event_hook(), and this function removes the hook which matches * both arguments at once. * * @param[in] thval An instance of ::rb_cThread. * @param[in] func A callback. * @exception rb_eTypeError `thval` is not a thread. * @return Number of deleted event hooks. * @note As multiple events can share the same `func` it is quite * possible for the return value to become more than one. */ int rb_thread_remove_event_hook(VALUE thval, rb_event_hook_func_t func); /** * Identical to rb_thread_remove_event_hook(), except it additionally takes the * data argument. It can also be seen as a routine identical to * rb_remove_event_hook_with_data(), except it additionally takes the thread. * This function deletes hooks that satisfy all three criteria. * * @param[in] thval An instance of ::rb_cThread. * @param[in] func A callback. * @param[in] data What to be passed to `func`. * @exception rb_eTypeError `thval` is not a thread. * @return Number of deleted event hooks. * @note As multiple events can share the same `func` it is quite * possible for the return value to become more than one. */ int rb_thread_remove_event_hook_with_data(VALUE thval, rb_event_hook_func_t func, VALUE data); /** @} */ /** * @name TracePoint APIs * * @{ */ /** * Creates a tracepoint by registering a callback function for one or more * tracepoint events. Once the tracepoint is created, you can use * rb_tracepoint_enable to enable the tracepoint. * * @param[in] target_thread_not_supported_yet Meant for picking the * thread in which the tracepoint is to be created. * However, current implementation ignore this * parameter, tracepoint is created for all threads. * Simply specify Qnil. * @param[in] events Event(s) to listen to. * @param[in] func A callback function. * @param[in,out] data Void pointer that will be passed to the callback * function. * * When the callback function is called, it will be passed 2 parameters: * 1. `VALUE tpval` - the TracePoint object from which trace args can be * extracted. * 1. `void *data` - A void pointer which helps to share scope with the * callback function. * * It is important to note that you cannot register callbacks for normal events * and internal events simultaneously because they are different purpose. You * can use any Ruby APIs (calling methods and so on) on normal event hooks. * However, in internal events, you can not use any Ruby APIs (even object * creations). This is why we can't specify internal events by TracePoint * directly. Limitations are MRI version specific. * * Example: * * ```CXX * rb_tracepoint_new( * Qnil, * RUBY_INTERNAL_EVENT_NEWOBJ | RUBY_INTERNAL_EVENT_FREEOBJ, * obj_event_i, * data); * ``` * * In this example, a callback function `obj_event_i` will be registered for * internal events #RUBY_INTERNAL_EVENT_NEWOBJ and * #RUBY_INTERNAL_EVENT_FREEOBJ. */ VALUE rb_tracepoint_new(VALUE target_thread_not_supported_yet, rb_event_flag_t events, void (*func)(VALUE, void *), void *data); /** * Starts (enables) trace(s) defined by the passed object. A TracePoint object * does not immediately take effect on creation. You have to explicitly call * this API. * * @param[in] tpval An instance of TracePoint. * @exception rb_eArgError A trace is already running. * @return Undefined value. Forget this. It should have returned `void`. * @post Trace(s) defined by `tpval` start. */ VALUE rb_tracepoint_enable(VALUE tpval); /** * Stops (disables) an already running instance of TracePoint. * * @param[in] tpval An instance of TracePoint. * @return Undefined value. Forget this. It should have returned `void`. * @post Trace(s) defined by `tpval` stop. */ VALUE rb_tracepoint_disable(VALUE tpval); /** * Queries if the passed TracePoint is up and running. * * @param[in] tpval An instance of TracePoint. * @retval RUBY_Qtrue It is. * @retval RUBY_Qfalse It isn't. */ VALUE rb_tracepoint_enabled_p(VALUE tpval); /** * Type that represents a specific trace event. Roughly resembles the * tracepoint object that is passed to the block of `TracePoint.new`: * * ```ruby * TracePoint.new(*events) do |obj| * ... # ^^^^^ Resembles this object. * end * ``` */ typedef struct rb_trace_arg_struct rb_trace_arg_t; RBIMPL_ATTR_RETURNS_NONNULL() /** * Queries the current event of the passed tracepoint. * * @param[in] tpval An instance of TracePoint. * @exception rb_eRuntimeError `tpval` is disabled. * @return The current event. * * @internal * * `tpval` is a fake. There is only one instance of ::rb_trace_arg_t at one * time. This function just returns that global variable. */ rb_trace_arg_t *rb_tracearg_from_tracepoint(VALUE tpval); RBIMPL_ATTR_NONNULL(()) /** * Queries the event of the passed trace. * * @param[in] trace_arg A trace instance. * @return Its event. */ rb_event_flag_t rb_tracearg_event_flag(rb_trace_arg_t *trace_arg); RBIMPL_ATTR_NONNULL(()) /** * Identical to rb_tracearg_event_flag(), except it returns the name of the * event in Ruby's symbol. * * @param[in] trace_arg A trace instance. * @return Its event, in Ruby level Symbol object. */ VALUE rb_tracearg_event(rb_trace_arg_t *trace_arg); RBIMPL_ATTR_NONNULL(()) /** * Queries the line of the point where the trace is at. * * @param[in] trace_arg A trace instance. * @retval 0 The trace is not at Ruby frame. * @return otherwise Its line number. */ VALUE rb_tracearg_lineno(rb_trace_arg_t *trace_arg); RBIMPL_ATTR_NONNULL(()) /** * Queries the file name of the point where the trace is at. * * @param[in] trace_arg A trace instance. * @retval RUBY_Qnil The trace is not at Ruby frame. * @retval otherwise Its path. */ VALUE rb_tracearg_path(rb_trace_arg_t *trace_arg); RBIMPL_ATTR_NONNULL(()) /** * Queries the method name of the point where the trace is at. * * @param[in] trace_arg A trace instance. * @retval RUBY_Qnil There is no method. * @retval otherwise Its method name, in Ruby level Symbol. */ VALUE rb_tracearg_method_id(rb_trace_arg_t *trace_arg); RBIMPL_ATTR_NONNULL(()) /** * Identical to rb_tracearg_method_id(), except it returns callee id like * rb_frame_callee(). * * @param[in] trace_arg A trace instance. * @retval RUBY_Qnil There is no method. * @retval otherwise Its method name, in Ruby level Symbol. */ VALUE rb_tracearg_callee_id(rb_trace_arg_t *trace_arg); RBIMPL_ATTR_NONNULL(()) /** * Queries the class that defines the method that the passed trace is at. This * can be different from the class of rb_tracearg_self()'s return value because * of inheritance(s). * * @param[in] trace_arg A trace instance. * @retval RUBY_Qnil There is no method. * @retval otherwise Its method's class. */ VALUE rb_tracearg_defined_class(rb_trace_arg_t *trace_arg); RBIMPL_ATTR_NONNULL(()) /** * Creates a binding object of the point where the trace is at. * * @param[in] trace_arg A trace instance. * @retval RUBY_Qnil The point has no binding. * @retval otherwise Its binding. * * @internal * * @shyouhei has no idea on which situation shall this function return * ::RUBY_Qnil. */ VALUE rb_tracearg_binding(rb_trace_arg_t *trace_arg); RBIMPL_ATTR_NONNULL(()) /** * Queries the receiver of the point trace is at. * * @param[in] trace_arg A trace instance. * @return Its receiver. */ VALUE rb_tracearg_self(rb_trace_arg_t *trace_arg); RBIMPL_ATTR_NONNULL(()) /** * Queries the return value that the trace represents. * * @param[in] trace_arg A trace instance. * @exception rb_eRuntimeError The tracing event is not return-related. * @return The return value. */ VALUE rb_tracearg_return_value(rb_trace_arg_t *trace_arg); RBIMPL_ATTR_NONNULL(()) /** * Queries the raised exception that the trace represents. * * @param[in] trace_arg A trace instance. * @exception rb_eRuntimeError The tracing event is not exception-related. * @return The raised exception. */ VALUE rb_tracearg_raised_exception(rb_trace_arg_t *trace_arg); RBIMPL_ATTR_NONNULL(()) /** * Queries the allocated/deallocated object that the trace represents. * * @param[in] trace_arg A trace instance. * @exception rb_eRuntimeError The tracing event is not GC-related. * @return The allocated/deallocated object. */ VALUE rb_tracearg_object(rb_trace_arg_t *trace_arg); /** @} */ /** * @name Postponed Job API * * @{ */ /* * Postponed Job API * * This API is designed to be called from contexts where it is not safe to run Ruby * code (e.g. because they do not hold the GVL or because GC is in progress), and * defer a callback to run in a context where it _is_ safe. The primary intended * users of this API is for sampling profilers like the "stackprof" gem; these work * by scheduling the periodic delivery of a SIGPROF signal, and inside the C-level * signal handler, deferring a job to collect a Ruby backtrace when it is next safe * to do so. * * Ruby maintains a small, fixed-size postponed job table. An extension using this * API should first call `rb_postponed_job_preregister` to register a callback * function in this table and obtain a handle of type `rb_postponed_job_handle_t` * to it. Subsequently, the callback can be triggered by calling * `rb_postponed_job_trigger` with that handle, or the `data` associated with the * callback function can be changed by calling `rb_postponed_job_preregister` again. * * Because the postponed job table is quite small (it only has 32 entries on most * common systems), extensions should generally only preregister one or two `func` * values. * * Historically, this API provided two functions `rb_postponed_job_register` and * `rb_postponed_job_register_one`, which claimed to be fully async-signal-safe and * would call back the provided `func` and `data` at an appropriate time. However, * these functions were subject to race conditions which could cause crashes when * racing with Ruby's internal use of them. These two functions are still present, * but are marked as deprecated and have slightly changed semantics: * * * rb_postponed_job_register now works like rb_postponed_job_register_one i.e. * `func` will only be executed at most one time each time Ruby checks for * interrupts, no matter how many times it is registered * * They are also called with the last `data` to be registered, not the first * (which is how rb_postponed_job_register_one previously worked) */ /** * Type of postponed jobs. * * @param[in,out] arg What was passed to `rb_postponed_job_preregister` */ typedef void (*rb_postponed_job_func_t)(void *arg); /** * The type of a handle returned from `rb_postponed_job_preregister` and * passed to `rb_postponed_job_trigger` */ typedef unsigned int rb_postponed_job_handle_t; #define POSTPONED_JOB_HANDLE_INVALID ((rb_postponed_job_handle_t)UINT_MAX) /** * Pre-registers a func in Ruby's postponed job preregistration table, * returning an opaque handle which can be used to trigger the job later. Generally, * this function will be called during the initialization routine of an extension. * * The returned handle can be used later to call `rb_postponed_job_trigger`. This will * cause Ruby to call back into the registered `func` with `data` at a later time, in * a context where the GVL is held and it is safe to perform Ruby allocations. * * If the given `func` was already pre-registered, this function will overwrite the * stored data with the newly passed data, and return the same handle instance as * was previously returned. * * If this function is called concurrently with the same `func`, then the stored data * could be the value from either call (but will definitely be one of them). * * If this function is called to update the data concurrently with a call to * `rb_postponed_job_trigger` on the same handle, it's undefined whether `func` will * be called with the old data or the new data. * * Although the current implementation of this function is in fact async-signal-safe and * has defined semantics when called concurrently on the same `func`, a future Ruby * version might require that this method be called under the GVL; thus, programs which * aim to be forward-compatible should call this method whilst holding the GVL. * * @param[in] flags Unused and ignored * @param[in] func The function to be pre-registered * @param[in] data The data to be pre-registered * @retval POSTPONED_JOB_HANDLE_INVALID The job table is full; this registration * did not succeed and no further registration will do so for * the lifetime of the program. * @retval otherwise A handle which can be passed to `rb_postponed_job_trigger` */ rb_postponed_job_handle_t rb_postponed_job_preregister(unsigned int flags, rb_postponed_job_func_t func, void *data); /** * Triggers a pre-registered job registered with rb_postponed_job_preregister, * scheduling it for execution the next time the Ruby VM checks for interrupts. * The context in which the job is called in holds the GVL and is safe to perform * Ruby allocations within (i.e. it is not during GC). * * This method is async-signal-safe and can be called from any thread, at any * time, including in signal handlers. * * If this method is called multiple times, Ruby will coalesce this into only * one call to the job the next time it checks for interrupts. * * @params[in] h A handle returned from rb_postponed_job_preregister */ void rb_postponed_job_trigger(rb_postponed_job_handle_t h); /** * Schedules the given `func` to be called with `data` when Ruby next checks for * interrupts. If this function is called multiple times in between Ruby checking * for interrupts, then `func` will be called only once with the `data` value from * the first call to this function. * * Like `rb_postponed_job_trigger`, the context in which the job is called * holds the GVL and can allocate Ruby objects. * * This method essentially has the same semantics as: * * ``` * rb_postponed_job_trigger(rb_postponed_job_preregister(func, data)); * ``` * * @note Previous versions of Ruby promised that the (`func`, `data`) pairs would * be executed as many times as they were registered with this function; in * reality this was always subject to race conditions and this function no * longer provides this guarantee. Instead, multiple calls to this function * can be coalesced into a single execution of the passed `func`, with the * most recent `data` registered at that time passed in. * * @deprecated This interface implies that arbitrarily many `func`'s can be enqueued * over the lifetime of the program, whilst in reality the registration * slots for postponed jobs are a finite resource. This is made clearer * by the `rb_postponed_job_preregister` and `rb_postponed_job_trigger` * functions, and a future version of Ruby might delete this function. * * @param[in] flags Unused and ignored. * @param[in] func Job body. * @param[in,out] data Passed as-is to `func`. * @retval 0 Postponed job registration table is full. Failed. * @retval 1 Registration succeeded. * @post The passed job will run on the next interrupt check. */ RBIMPL_ATTR_DEPRECATED(("use rb_postponed_job_preregister and rb_postponed_job_trigger")) int rb_postponed_job_register(unsigned int flags, rb_postponed_job_func_t func, void *data); /** * Identical to `rb_postponed_job_register` * * @deprecated This is deprecated for the same reason as `rb_postponed_job_register` * * @param[in] flags Unused and ignored. * @param[in] func Job body. * @param[in,out] data Passed as-is to `func`. * @retval 0 Postponed job registration table is full. Failed. * @retval 1 Registration succeeded. * @post The passed job will run on the next interrupt check. */ RBIMPL_ATTR_DEPRECATED(("use rb_postponed_job_preregister and rb_postponed_job_trigger")) int rb_postponed_job_register_one(unsigned int flags, rb_postponed_job_func_t func, void *data); /** @} */ /** * @cond INTERNAL_MACRO * * Anything after this are intentionally left undocumented, to honour the * comment below. */ /* undocumented advanced tracing APIs */ typedef enum { RUBY_EVENT_HOOK_FLAG_SAFE = 0x01, RUBY_EVENT_HOOK_FLAG_DELETED = 0x02, RUBY_EVENT_HOOK_FLAG_RAW_ARG = 0x04 } rb_event_hook_flag_t; void rb_add_event_hook2(rb_event_hook_func_t func, rb_event_flag_t events, VALUE data, rb_event_hook_flag_t hook_flag); void rb_thread_add_event_hook2(VALUE thval, rb_event_hook_func_t func, rb_event_flag_t events, VALUE data, rb_event_hook_flag_t hook_flag); /** @endcond */ RBIMPL_SYMBOL_EXPORT_END() #endif /* RUBY_DEBUG_H */
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