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Set the thread stack-size attribute
#include <pthread.h>
int pthread_attr_setstacksize( pthread_attr_t * attr,
size_t stacksize );
- attr
- A pointer to the pthread_attr_t structure that defines
the attributes to use when creating new threads.
For more information, see
pthread_attr_init().
- stacksize
- The size of the stack you want to use in new threads.
The minimum value of the thread stack-size attribute is
PTHREAD_STACK_MIN.
libc
Use the -l c option to
qcc
to link against this library.
This library is usually included automatically.
The pthread_attr_setstacksize() function sets the thread
stack size attribute in the thread attribute object attr to
stacksize.
|
The system uses some of the provided stack for objects such as
thread local storage and an initial stack frame, so less than the entire
buffer is available to the thread. |
- EOK
- Success.
- EINVAL
- The value of stacksize is less than PTHREAD_STACK_MIN or greater than the system limit.
POSIX 1003.1 THR TSS
Safety: | |
Cancellation point |
No |
Interrupt handler |
No |
Signal handler |
Yes |
Thread |
Yes |
The QNX interpretation of PTHREAD_STACK_MIN is enough memory to run a thread that does nothing:
void nothingthread( void )
{
return;
}
pthread_attr_getstacksize(),
pthread_attr_init(),
pthread_create().
Processes and Threads
chapter of Getting Started with QNX Neutrino
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