struct NaClDesc *NaClDescIoDescFromDescAllocCtor(int desc,
int flags) {
struct NaClHostDesc *nhdp;
nhdp = NaClHostDescPosixMake(desc, flags);
if (NULL == nhdp) {
/*
* BUG: In Windows, we leak posix_d representation in the POSIX
* layer, since caller will continue to own |handle| on a failure
* return, but we cannot close |posix_d| without implicitly
* invoking CloseHandle on |handle|.
*/
return NULL;
}
return (struct NaClDesc *) NaClDescIoDescMake(nhdp);
}
struct NaClDesc *NaClDescIoDescMakeFromHandle(NaClHandle handle) {
int posix_d;
struct NaClHostDesc *nhdp;
struct NaClDescIoDesc *desc;
#if NACL_WINDOWS
posix_d = _open_osfhandle((intptr_t) handle, _O_RDWR | _O_BINARY);
if (-1 == posix_d)
return NULL;
#else
posix_d = handle;
#endif
nhdp = NaClHostDescPosixMake(posix_d, NACL_ABI_O_RDWR);
if (NULL == nhdp)
return NULL;
desc = NaClDescIoDescMake(nhdp);
return &desc->base;
}