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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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14
libc/sock/setsockopt-nt.c
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@ -28,9 +28,10 @@
textwindows int sys_setsockopt_nt(struct Fd *fd, int level, int optname,
const void *optval, uint32_t optlen) {
int64_t ms;
int64_t ms, micros;
struct timeval *tv;
struct linger *linger;
struct SockFd *sockfd;
union {
uint32_t millis;
struct linger_nt linger;
@ -47,7 +48,8 @@ textwindows int sys_setsockopt_nt(struct Fd *fd, int level, int optname,
optlen == sizeof(struct timeval)) {
tv = optval;
if (__builtin_mul_overflow(tv->tv_sec, 1000, &ms) ||
__builtin_add_overflow(ms, tv->tv_usec / 1000, &ms) ||
__builtin_add_overflow(tv->tv_usec, 999, &micros) ||
__builtin_add_overflow(ms, micros / 1000, &ms) ||
(ms < 0 || ms > 0xffffffff)) {
u.millis = 0xffffffff;
} else {
@ -55,6 +57,14 @@ textwindows int sys_setsockopt_nt(struct Fd *fd, int level, int optname,
}
optval = &u.millis;
optlen = sizeof(u.millis);
sockfd = (struct SockFd *)fd->extra;
if (optname == SO_RCVTIMEO) {
sockfd->rcvtimeo = u.millis;
}
if (optname == SO_SNDTIMEO) {
sockfd->sndtimeo = u.millis;
}
return 0;
}
}