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lib: posix: support for pthread_attr_setstacksize

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Support pthread_attr_setstacksize(3).

See https://pubs.opengroup.org/onlinepubs/7908799/xsh/pthread_attr_getstacksize.html

Fixes #44722

Signed-off-by: Christopher Friedt <chrisfriedt@gmail.com>
This commit is contained in:
Christopher Friedt 2022-04-10 12:35:15 -04:00 committed by Stephanos Ioannidis
parent 2faa6f5c0b
commit 7c583bbf8f
2 changed files with 23 additions and 0 deletions
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4
include/zephyr/posix/pthread.h
View file

@ -64,6 +64,9 @@ struct posix_thread {
/* Passed to pthread_once */
#define PTHREAD_ONCE_INIT 1
/* The minimum allowable stack size */
#define PTHREAD_STACK_MIN Z_KERNEL_STACK_SIZE_ADJUST(0)
/**
* @brief Declare a pthread condition variable
*
@ -483,6 +486,7 @@ static inline int pthread_rwlockattr_init(pthread_rwlockattr_t *attr)
}
int pthread_attr_getstacksize(const pthread_attr_t *attr, size_t *stacksize);
int pthread_attr_setstacksize(pthread_attr_t *attr, size_t stacksize);
int pthread_attr_setschedpolicy(pthread_attr_t *attr, int policy);
int pthread_attr_getschedpolicy(const pthread_attr_t *attr, int *policy);
int pthread_attr_setdetachstate(pthread_attr_t *attr, int detachstate);

19
lib/posix/pthread.c
View file

@ -552,6 +552,25 @@ int pthread_attr_getstacksize(const pthread_attr_t *attr, size_t *stacksize)
}
/**
* @brief Set stack size attribute in thread attributes object.
*
* See IEEE 1003.1
*/
int pthread_attr_setstacksize(pthread_attr_t *attr, size_t stacksize)
{
if ((attr == NULL) || (attr->initialized == 0U)) {
return EINVAL;
}
if (stacksize < PTHREAD_STACK_MIN) {
return EINVAL;
}
attr->stacksize = stacksize;
return 0;
}
/**
* @brief Get stack attributes in thread attributes object.
*