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async file I/O API

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2075 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2006-08-01 16:21:11 +00:00
parent 7954c73498
commit 83f6409109
16 changed files with 1914 additions and 472 deletions
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13
block-vpc.c
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@ -86,19 +86,16 @@ static int vpc_probe(const uint8_t *buf, int buf_size, const char *filename)
return 0;
}
static int vpc_open(BlockDriverState *bs, const char *filename)
static int vpc_open(BlockDriverState *bs, const char *filename, int flags)
{
BDRVVPCState *s = bs->opaque;
int fd, i;
struct vpc_subheader header;
fd = open(filename, O_RDWR | O_BINARY | O_LARGEFILE);
if (fd < 0) {
fd = open(filename, O_RDONLY | O_BINARY | O_LARGEFILE);
if (fd < 0)
return -1;
}
fd = open(filename, O_RDONLY | O_BINARY);
if (fd < 0)
return -1;
bs->read_only = 1; // no write support yet
s->fd = fd;