--- Libc/Libc-1725.40.4/stdlib/FreeBSD/abort.c
+++ Libc/Libc-583/stdlib/FreeBSD/abort.c
@@ -10,6 +10,10 @@
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
  * 4. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
@@ -27,66 +31,33 @@
  * SUCH DAMAGE.
  */
 
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wstrict-prototypes"
-
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)abort.c	8.1 (Berkeley) 6/4/93";
 #endif /* LIBC_SCCS and not lint */
 #include <sys/cdefs.h>
-__FBSDID("$FreeBSD: src/lib/libc/stdlib/abort.c,v 1.11 2007/01/09 00:28:09 imp Exp $");
+__FBSDID("$FreeBSD: src/lib/libc/stdlib/abort.c,v 1.9 2003/08/16 11:43:57 davidxu Exp $");
 
 #include "namespace.h"
 #include <signal.h>
-#include <stdarg.h>
 #include <stdlib.h>
 #include <stddef.h>
 #include <unistd.h>
 #include <pthread.h>
-#include <pthread_workqueue.h>
 #include "un-namespace.h"
 
-#include "libc_private.h"
-#include "stdio/FreeBSD/local.h" // for __cleanup
-
-#if __has_include(<CrashReporterClient.h>)
-#include <CrashReporterClient.h>
-#else
-#define CRGetCrashLogMessage() NULL
-#define CRSetCrashLogMessage(...)
-#endif
-#include "_simple.h"
-
-extern void __abort(void) __cold __dead2;
-
-#define TIMEOUT	10000	/* 10 milliseconds */
+void (*__cleanup)();
 
 void
 abort()
 {
 	struct sigaction act;
 
-	if (!CRGetCrashLogMessage())
-		CRSetCrashLogMessage("abort() called");
-
-	/*
-	 * Fetch pthread_self() now, before we start masking signals.
-	 * pthread_self will abort or crash if the pthread's signature
-	 * appears corrupt. aborting inside abort is painful, so let's get
-	 * that out of the way before we go any further.
-	 */
-	pthread_t self = pthread_self();
-
 	/*
 	 * POSIX requires we flush stdio buffers on abort.
 	 * XXX ISO C requires that abort() be async-signal-safe.
 	 */
 	if (__cleanup)
-#ifdef __APPLE__
-		_cleanup();
-#else
-	    (*__cleanup)();
-#endif // __APPLE__
+		(*__cleanup)();
 
 	sigfillset(&act.sa_mask);
 	/*
@@ -94,100 +65,19 @@
 	 * any errors -- ISO C doesn't allow abort to return anyway.
 	 */
 	sigdelset(&act.sa_mask, SIGABRT);
-
-	/*
-	 * Don't block SIGSEGV since we might trigger a segfault if the pthread
-	 * struct is corrupt. The end user behavior is that the program will
-	 * terminate with a SIGSEGV instead of a SIGABRT which is acceptable. If
-	 * the user registers a SIGSEGV handler, then they are responsible for
-	 * dealing with any corruption themselves and abort may not work.
-	 * rdar://48853131
-	 */
-	sigdelset(&act.sa_mask, SIGSEGV);
-	sigdelset(&act.sa_mask, SIGBUS);
-
-	/* <rdar://problem/7397932> abort() should call pthread_kill to deliver a signal to the aborting thread 
-	 * This helps gdb focus on the thread calling abort()
-	 */
-
-	/* Block all signals on all other threads */
-	sigset_t fullmask;
-	sigfillset(&fullmask);
-	(void)_sigprocmask(SIG_SETMASK, &fullmask, NULL);
-
-	/* <rdar://problem/8400096> Set the workqueue killable */
-	__pthread_workqueue_setkill(1);
-
-	(void)pthread_sigmask(SIG_SETMASK, &act.sa_mask, NULL);
-	(void)pthread_kill(self, SIGABRT);
-
-	usleep(TIMEOUT); /* give time for signal to happen */
+	(void)_sigprocmask(SIG_SETMASK, &act.sa_mask, NULL);
+	(void)raise(SIGABRT);
 
 	/*
 	 * If SIGABRT was ignored, or caught and the handler returns, do
 	 * it again, only harder.
 	 */
-	 __abort();
-}
-
-__private_extern__ void
-__abort()
-{
-	struct sigaction act;
-
-	if (!CRGetCrashLogMessage())
-		CRSetCrashLogMessage("__abort() called");
-
-	/* Fetch pthread_self() before masking signals - see above. */
-	pthread_t self = pthread_self();
-
 	act.sa_handler = SIG_DFL;
 	act.sa_flags = 0;
 	sigfillset(&act.sa_mask);
 	(void)_sigaction(SIGABRT, &act, NULL);
 	sigdelset(&act.sa_mask, SIGABRT);
-
-	/* <rdar://problem/7397932> abort() should call pthread_kill to deliver a signal to the aborting thread 
-	 * This helps gdb focus on the thread calling abort()
-	 */
-
-	/* Block all signals on all other threads */
-	sigset_t fullmask;
-	sigfillset(&fullmask);
-	(void)_sigprocmask(SIG_SETMASK, &fullmask, NULL);
-
-	/* <rdar://problem/8400096> Set the workqueue killable */
-	__pthread_workqueue_setkill(1);
-
-	(void)pthread_sigmask(SIG_SETMASK, &act.sa_mask, NULL);
-	(void)pthread_kill(self, SIGABRT);
-
-	usleep(TIMEOUT); /* give time for signal to happen */
-
-	/* If for some reason SIGABRT was not delivered, we exit using __builtin_trap
-	 * which generates an illegal instruction on i386: <rdar://problem/8400958>
-	 * and SIGTRAP on arm.
-	 */
-	sigfillset(&act.sa_mask);
-	sigdelset(&act.sa_mask, SIGILL);
-	sigdelset(&act.sa_mask, SIGTRAP);
 	(void)_sigprocmask(SIG_SETMASK, &act.sa_mask, NULL);
-	__builtin_trap();
+	(void)raise(SIGABRT);
+	exit(1);
 }
-
-void
-abort_report_np(const char *fmt, ...)
-{
-	_SIMPLE_STRING s;
-	va_list ap;
-
-	if ((s = _simple_salloc()) != NULL) {
-		va_start(ap, fmt);
-		_simple_vsprintf(s, fmt, ap);
-		va_end(ap);
-		CRSetCrashLogMessage(_simple_string(s));
-	} else
-		CRSetCrashLogMessage(fmt); /* the format string is better than nothing */
-	abort();
-}
-#pragma clang diagnostic pop