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| HCLOSE(3) | libdill Library Functions | HCLOSE(3) |
NAME
hclose - hard-closes a handleSYNOPSIS
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#include <libdill.h> int hclose( int h);
DESCRIPTION
This function closes a handle. Once all handles pointing to the same underlying object have been closed, the object is deallocated immediately, without blocking.The function guarantees that all associated resources are deallocated. However, it does not guarantee that the handle's work will have been fully finished. E.g., outbound network data may not be flushed.
In the case of network protocol sockets the entire protocol stack is closed, the topmost protocol as well as all the protocols beneath it.
h: The handle.
RETURN VALUE
In case of success the function returns 0. In case of error it returns -1 and sets errno to one of the values below.ERRORS
- •
- EBADF: Invalid handle.
- •
- ENOTSUP: The handle does not support this operation.
EXAMPLE
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int ch[2]; chmake(ch); hclose(ch[0]); hclose(ch[1]);
SEE ALSO
hmake(3) hown(3) hquery(3)| libdill |
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