15.1.3 Server and Client Functions
Clients and servers should use only the functions discussed in this section to work with mailslots. Other Windows functions should not be used, even if they accept file handles or filenames as arguments.
15.1.3.1 Server Functions
Mailslot servers have exclusive use of three functions:
| CreateMailslot |
Creates a mailslot and returns a mailslot handle. |
| GetMailslotInfo |
Retrieves the maximum message size, the mailslot size, the size of the next message in the mailslot, the number of messages in the mailslot, and the amount of time a read operation can wait for a message. |
| SetMailslotInfo |
Changes the read timeout for a mailslot. |
The following functions are also useful to mailslot servers:
| ReadFile |
Retrieves messages from a mailslot. |
| GetFileTime |
Retrieves the date and time a mailslot was created. |
| SetFileTime |
Sets the date and time a mailslot was created. |
15.1.3.2 Client Functions
A client process uses the following functions to interact with a mailslot:
| CloseHandle |
Closes a mailslot handle for a client process. |
| CreateFile |
Creates a mailslot handle for a client process. |
| DuplicateHandle |
Duplicates a mailslot handle. |
| WriteFile |
Writes data to a mailslot. |