Like POSIX, any calls of write (and other functions to read or write) for a regular file by other threads in the WASI process should not be interleaved while write is executed.
Errno fdWrite(Fd fd, const(Ciovec) * iovs, Size iovsLen, Size * nwritten) extern(C) nothrow @nogc @wasi @importName("fd_write")Write to a file descriptor.
Like POSIX, any calls of write (and other functions to read or write) for a regular file by other threads in the WASI process should not be interleaved while write is executed.