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Fix docs in node_file.cc

v0.7.4-release
Ryan Dahl 15 years ago
parent
commit
20372d2df3
  1. 20
      src/node_file.cc

20
src/node_file.cc

@ -533,13 +533,19 @@ static Handle<Value> Write(const Arguments& args) {
// Normally here I would do
// ASYNC_CALL(write, cb, fd, buf, len, pos)
// however, I'm trying to support a legacy interface; where in the
// String version a buffer is allocated to encode into. In the After()
// function it is freed. However in the other version, we just increase
// the reference count to a buffer. We have to let After() know which
// version is being done so it can know if it needs to free 'buf' or
// not. We do that by using req->int3.
// String version a chunk of memory is allocated for the string to be
// decoded into. In the After() function it is freed.
//
// However in the Buffer version, we increase the reference count
// to the Buffer while we're in the thread pool.
//
// We have to let After() know which version is being done so it can
// know if it needs to free 'buf' or not. We do that by using
// req->int3.
//
// req->int3 == 1 legacy, String version. Need to free `buf`.
// req->int3 == 0 Buffer version. Don't do anything.
//
eio_req *req = eio_write(fd, buf, len, pos,
EIO_PRI_DEFAULT,
After,
@ -560,7 +566,7 @@ static Handle<Value> Write(const Arguments& args) {
}
}
/* node.fs.read(fd, length, position, encoding)
/* fs.read(fd, length, position, encoding)
* Wrapper for read(2).
*
* 0 fd integer. file descriptor
@ -602,7 +608,7 @@ static Handle<Value> Read(const Arguments& args) {
}
}
/* node.fs.chmod(fd, mode);
/* fs.chmod(fd, mode);
* Wrapper for chmod(1) / EIO_CHMOD
*/
static Handle<Value> Chmod(const Arguments& args){

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