dispatch_unblock()
QNX SDP8.0C Library ReferenceAPIDeveloper
Unblock a thread that is blocked on a dispatch handle
Synopsis:
#include <sys/iofunc.h>
#include <sys/dispatch.h>
void dispatch_unblock( dispatch_context_t * ctp );
Arguments:
- ctp
- A pointer to a dispatch_context_t structure that defines the dispatch context.
Library:
libc
Use the -l c option to qcc to link against this library. This library is usually included automatically.
Description:
This routine tries to unblock a thread that is blocked on the given dispatch handle. You should use this function in the thread pool structure as the unblock function pointer so that thread_pool_control() will behave properly.
This function is part of the dispatch layer of a resource manager.
For more information, see
Layers in a resource manager
in the Bones of a Resource Manager chapter of Writing a Resource Manager.
Examples:
For examples using the dispatch interface, see dispatch_create(), message_attach(), resmgr_attach(), and thread_pool_create().
Classification:
| Safety: | |
|---|---|
| Cancellation point | Yes |
| Signal handler | Yes |
| Thread | Yes |
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