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Make more threading improvements

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- ASAN memory morgue is now lockless
- Make C11 atomics header more portable
- Rewrote pthread keys support to be lockless
- Simplify Python's unicode table unpacking code
- Make crash report write(2) closer to being atomic
- Make it possible to strace/ftrace a single thread
- ASAN now checks nul-terminated strings fast and properly
- Windows fork() now restores TLS memory of calling thread
This commit is contained in:
Justine Tunney 2022-11-01 22:36:03 -07:00
parent d7b88734cd
commit e522aa3a07
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GPG key ID: BE714B4575D6E328
189 changed files with 1363 additions and 1217 deletions
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8
libc/testlib/testrunner.c
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@ -61,8 +61,8 @@ void testlib_finish(void) {
}
void testlib_error_enter(const char *file, const char *func) {
atomic_fetch_sub_explicit(&__ftrace, 1, memory_order_relaxed);
atomic_fetch_sub_explicit(&__strace, 1, memory_order_relaxed);
ftrace_enabled(-1);
strace_enabled(-1);
pthread_mutex_lock(&testlib_error_lock);
if (!IsWindows()) sys_getpid(); /* make strace easier to read */
if (!IsWindows()) sys_getpid();
@ -74,8 +74,8 @@ void testlib_error_enter(const char *file, const char *func) {
}
void testlib_error_leave(void) {
atomic_fetch_add_explicit(&__ftrace, 1, memory_order_relaxed);
atomic_fetch_add_explicit(&__strace, 1, memory_order_relaxed);
strace_enabled(+1);
ftrace_enabled(+1);
pthread_mutex_unlock(&testlib_error_lock);
}