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Set a thread's cancellation state
#include <pthread.h>
int pthread_setcancelstate( int state,
int* oldstate );
- state
- The new cancellation state.
- oldstate
- A pointer to a location where the function can store the old
cancellation state.
libc
Use the -l c option to
qcc
to link against this library.
This library is usually included automatically.
The pthread_setcancelstate() function sets the calling
thread's cancellation state to state and returns the
previous cancellation state in oldstate.
The cancellation state can have the following values:
- PTHREAD_CANCEL_DISABLE
- Cancellation requests are held pending.
- PTHREAD_CANCEL_ENABLE
- Cancellation requests may be acted on according to the cancellation
type; see
pthread_setcanceltype().
The default cancellation state for a thread is
PTHREAD_CANCEL_ENABLE.
|
You can set this attribute (in a non-POSIX way) before creating the thread;
for more information, see
“QNX extensions,”
in the documentation for pthread_create(). |
- EOK
- Success.
- EINVAL
- The cancellation state specified by state is invalid.
POSIX 1003.1 THR
Safety: | |
Cancellation point |
No |
Interrupt handler |
No |
Signal handler |
Yes |
Thread |
Yes |
pthread_cancel(),
pthread_setcanceltype(),
pthread_testcancel()
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