pthread_attr_setstacksize
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pthread_attr_setstacksize()
Set the thread stack-size attribute
Synopsis:
#include <pthread.h>
int pthread_attr_setstacksize( pthread_attr_t * attr,
size_t stacksize );
Arguments:
- 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.
Library:
libc
Use the -l c option to qcc to link against this library. This library is usually included automatically.
Description:
The pthread_attr_setstacksize() function sets the thread stack size attribute in the thread attribute object attr to stacksize.
Returns:
- EOK
- Success.
- EINVAL
- The value of stacksize is less than PTHREAD_STACK_MIN or greater than the system limit.
Classification:
| Safety: | |
|---|---|
| Cancellation point | No |
| Interrupt handler | No |
| Signal handler | Yes |
| Thread | Yes |
Caveats:
The QNX interpretation of PTHREAD_STACK_MIN is enough memory to run a thread that does nothing:
void nothingthread( void )
{
return;
}
See also:
pthread_attr_getstacksize(), pthread_attr_init(), pthread_create().
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