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Get one part from the ctp->iov structure and fill in its fields
#include <sys/resmgr.h>
#define_RESMGR_PTR( resmgr_context_t ctp,
void msg,
size_t nbytes ) ...
- ctp
- A pointer to a
resmgr_context_t
structure that the resource-manager library uses to pass context information
between functions.
- msg
- The value you want to use for the structure's iov_base member.
- nbytes
- The value you want to use for the structure's iov_len member.
None.
The _RESMGR_PTR() macro gets one part from the
ctp->iov structure (see
resmgr_context_t)
and fills in its fields.
The macro is equivalent to:
SETIOV
(ctp->iov, msg, nbytes)
returning
_RESMGR_NPARTS (1).
-1
QNX Neutrino
Safety: | |
Cancellation point |
No |
Interrupt handler |
Yes |
Signal handler |
Yes |
Thread |
Yes |
resmgr_context_t,
_RESMGR_NPARTS(),
_RESMGR_STATUS(),
SETIOV()
Resource Managers
chapter of Getting Started with QNX Neutrino
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