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Make forking off threads reliable on Windows

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This change makes posix_spawn_test no longer flaky on Windows, by (1)
fixing a race condition in wait(), and (2) removing a misguided vfork
implementation which was letting Windows bypass pthread_atfork().
This commit is contained in:
Justine Tunney 2023-07-30 08:55:01 -07:00
parent 2ebc5781a1
commit 58352df0a4
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GPG key ID: BE714B4575D6E328
30 changed files with 230 additions and 187 deletions
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2
libc/sock/syscall_fd.internal.h
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@ -20,7 +20,7 @@ int sys_shutdown_nt(struct Fd *, int);
ssize_t sys_recv_nt(struct Fd *, const struct iovec *, size_t, uint32_t);
ssize_t sys_recvfrom_nt(struct Fd *, const struct iovec *, size_t, uint32_t,
void *, uint32_t *);
int __wsablock(struct Fd *, struct NtOverlapped *, uint32_t *, bool, uint32_t);
int __wsablock(struct Fd *, struct NtOverlapped *, uint32_t *, int, uint32_t);
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */