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Make fixes and improvements

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- Introduce __assert_disable global
- Improve strsignal() thread safety
- Make system call tracing thread safe
- Fix SO_RCVTIMEO / SO_SNDTIMEO on Windows
- Refactor DescribeFoo() functions into one place
- Fix fork() on Windows when TLS and MAP_STACK exist
- Round upwards in setsockopt(SO_RCVTIMEO) on Windows
- Disable futexes on OpenBSD which seem extremely broken
- Implement a better kludge for monotonic time on Windows
This commit is contained in:
Justine Tunney 2022-06-25 18:17:31 -07:00
parent 5d837c4e7c
commit fbc053e018
186 changed files with 1836 additions and 1325 deletions
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11
libc/intrin/asan.c
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@ -1308,13 +1308,13 @@ void __asan_map_shadow(uintptr_t p, size_t n) {
size = (size_t)i << 16;
addr = (void *)(intptr_t)((int64_t)((uint64_t)a << 32) >> 16);
prot = PROT_READ | PROT_WRITE;
flag = MAP_PRIVATE | MAP_FIXED | *weaken(MAP_ANONYMOUS);
flag = MAP_PRIVATE | MAP_FIXED | MAP_ANONYMOUS;
sm = weaken(sys_mmap)(addr, size, prot, flag, -1, 0);
if (sm.addr == MAP_FAILED ||
weaken(TrackMemoryInterval)(
m, a, a + i - 1, sm.maphandle, PROT_READ | PROT_WRITE,
MAP_PRIVATE | *weaken(MAP_ANONYMOUS) | MAP_FIXED, false, false, 0,
size) == -1) {
weaken(TrackMemoryInterval)(m, a, a + i - 1, sm.maphandle,
PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED,
false, false, 0, size) == -1) {
kprintf("error: could not map asan shadow memory\n");
__asan_die()();
__asan_unreachable();
@ -1379,7 +1379,6 @@ textstartup void __asan_init(int argc, char **argv, char **envp,
}
REQUIRE(_mmi);
REQUIRE(sys_mmap);
REQUIRE(MAP_ANONYMOUS);
REQUIRE(TrackMemoryInterval);
if (weaken(hook_malloc) || weaken(hook_calloc) || weaken(hook_realloc) ||
weaken(hook_realloc_in_place) || weaken(hook_free) ||