https://git.ruby-lang.org/ruby.git/commit/?id=dd477df411

From dd477df411691803fc5a83c7daa64faac112a0e4 Mon Sep 17 00:00:00 2001
From: Yusuke Endoh <mame@r...>
Date: Wed, 9 Oct 2019 23:02:22 +0900
Subject: error.c (rb_bug_for_fatal_signal): renamed from rb_bug_context

Just refactoring.

The name "rb_bug_context" is completely unclear for me.
(Can you see that "context" means "machine register context"?)
The context is available only when a fatal signal (sigbus, sigsegv, or
sigill) is received; in fact, the function is used only for fatal
signals.  So, I think the name should be changed.

diff --git a/error.c b/error.c
index bef5090..56ea9ae 100644
--- a/error.c
+++ b/error.c
@@ -599,7 +599,7 @@ rb_bug(const char *fmt, ...) https://github.com/ruby/ruby/blob/trunk/error.c#L599
 }
 
 void
-rb_bug_context(const void *ctx, const char *fmt, ...)
+rb_bug_for_fatal_signal(const void *ctx, const char *fmt, ...)
 {
     const char *file = NULL;
     int line = 0;
diff --git a/signal.c b/signal.c
index 7fc93bb..638a0d1 100644
--- a/signal.c
+++ b/signal.c
@@ -933,7 +933,7 @@ sigbus(int sig SIGINFO_ARG) https://github.com/ruby/ruby/blob/trunk/signal.c#L933
 #if defined __APPLE__ || defined __linux__
     CHECK_STACK_OVERFLOW();
 #endif
-    rb_bug_context(SIGINFO_CTX, "Bus Error" MESSAGE_FAULT_ADDRESS);
+    rb_bug_for_fatal_signal(SIGINFO_CTX, "Bus Error" MESSAGE_FAULT_ADDRESS);
 }
 #endif
 
@@ -946,7 +946,7 @@ sigsegv(int sig SIGINFO_ARG) https://github.com/ruby/ruby/blob/trunk/signal.c#L946
 {
     check_reserved_signal("SEGV");
     CHECK_STACK_OVERFLOW();
-    rb_bug_context(SIGINFO_CTX, "Segmentation fault" MESSAGE_FAULT_ADDRESS);
+    rb_bug_for_fatal_signal(SIGINFO_CTX, "Segmentation fault" MESSAGE_FAULT_ADDRESS);
 }
 #endif
 
@@ -961,7 +961,7 @@ sigill(int sig SIGINFO_ARG) https://github.com/ruby/ruby/blob/trunk/signal.c#L961
 #if defined __APPLE__
     CHECK_STACK_OVERFLOW();
 #endif
-    rb_bug_context(SIGINFO_CTX, "Illegal instruction" MESSAGE_FAULT_ADDRESS);
+    rb_bug_for_fatal_signal(SIGINFO_CTX, "Illegal instruction" MESSAGE_FAULT_ADDRESS);
 }
 #endif
 
diff --git a/vm_core.h b/vm_core.h
index 7ff943a..052b1b5 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -1624,7 +1624,7 @@ extern void rb_vmdebug_debug_print_post(const rb_execution_context_t *ec, const https://github.com/ruby/ruby/blob/trunk/vm_core.h#L1624
 #define SDR() rb_vmdebug_stack_dump_raw(GET_EC(), GET_EC()->cfp)
 #define SDR2(cfp) rb_vmdebug_stack_dump_raw(GET_EC(), (cfp))
 void rb_vm_bugreport(const void *);
-NORETURN(void rb_bug_context(const void *, const char *fmt, ...));
+NORETURN(void rb_bug_for_fatal_signal(const void *, const char *fmt, ...));
 
 /* functions about thread/vm execution */
 RUBY_SYMBOL_EXPORT_BEGIN
-- 
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