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--- Libc/Libc-391/stdlib/FreeBSD/abort.c.patch
+++ Libc/Libc-763.11/stdlib/FreeBSD/abort.c.patch
@@ -1,11 +1,128 @@
---- abort.c.orig 2003-08-16 04:43:57.000000000 -0700
-+++ abort.c 2004-10-26 17:29:31.000000000 -0700
-@@ -45,7 +45,7 @@
- #include <pthread.h>
- #include "un-namespace.h"
+--- abort.c.orig 2010-09-07 22:42:56.000000000 -0700
++++ abort.c 2010-09-07 22:46:29.000000000 -0700
+@@ -35,6 +35,7 @@ __FBSDID("$FreeBSD: src/lib/libc/stdlib/
--void (*__cleanup)();
+ #include "namespace.h"
+ #include <signal.h>
++#include <stdarg.h>
+ #include <stdlib.h>
+ #include <stddef.h>
+ #include <unistd.h>
+@@ -43,11 +44,22 @@ __FBSDID("$FreeBSD: src/lib/libc/stdlib/
+
+ #include "libc_private.h"
+
++#include "CrashReporterClient.h"
++#include "_simple.h"
++
+extern void (*__cleanup)();
-
++extern void __abort(void) __dead2;
++
++#define TIMEOUT 10000 /* 10 milliseconds */
++
void
abort()
+ {
+ struct sigaction act;
+
++ if (!CRGetCrashLogMessage())
++ CRSetCrashLogMessage("abort() called");
++
+ /*
+ * POSIX requires we flush stdio buffers on abort.
+ * XXX ISO C requires that abort() be async-signal-safe.
+@@ -61,19 +73,90 @@ abort()
+ * any errors -- ISO C doesn't allow abort to return anyway.
+ */
+ sigdelset(&act.sa_mask, SIGABRT);
+- (void)_sigprocmask(SIG_SETMASK, &act.sa_mask, NULL);
+- (void)raise(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()
++ */
++ if (__is_threaded) {
++ /* 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(pthread_self(), SIGABRT);
++ } else {
++ (void)_sigprocmask(SIG_SETMASK, &act.sa_mask, NULL);
++ (void)kill(getpid(), SIGABRT);
++ }
++ usleep(TIMEOUT); /* give time for signal to happen */
+
+ /*
+ * 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");
+ 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()
++ */
++ if (__is_threaded) {
++ /* 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(pthread_self(), SIGABRT);
++ } else {
++ (void)_sigprocmask(SIG_SETMASK, &act.sa_mask, NULL);
++ (void)kill(getpid(), 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);
+- (void)raise(SIGABRT);
+- exit(1);
++ __builtin_trap();
++}
++
++__private_extern__ 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();
+ }