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Compare two node descriptors
#include <sys/netmgr.h>
#define ND_NODE_CMP(a,b) …
- a, b
- The node descriptors that you want to compare.
You can use either the value 0 or ND_LOCAL_NODE to refer
to the local node.
libc
Use the -l c option to
qcc
to link against this library.
This library is usually included automatically.
The ND_NODE_CMP() macro compares two node descriptors.
- < 0
- The node descriptor a is less than b.
- 0
- The descriptors refer to the same machine.
- > 0
- The node descriptor a is greater than b.
#include <sys/neutrino.h>
uint32_t nd1, nd2;
if ( ND_NODE_CMP(nd1, nd2) == 0 ) {
/* Same node */
…
} else {
/* Different nodes */
…
}
QNX Neutrino
Safety: | |
Cancellation point |
No |
Interrupt handler |
Yes |
Signal handler |
Yes |
Thread |
Yes |
netmgr_ndtostr(),
netmgr_remote_nd(),
netmgr_strtond()
Qnet Networking
chapter of the Programmer's Guide
Qnet Networking
chapter of the System Architecture guide
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