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add limited pthread_setattr_default_np API to set stack size defaults

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based on patch by Timo Teräs:

While generally this is a bad API, it is the only existing API to
affect c++ (std::thread) and c11 (thrd_create) thread stack size.
This patch allows applications only to increate stack and guard
page sizes.
This commit is contained in:
Rich Felker
2016-11-08 12:09:05 -05:00
parent ea7891a651
commit 31fb174dd2
3 changed files with 45 additions and 4 deletions
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2
include/pthread.h
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@ -215,6 +215,8 @@ int pthread_getaffinity_np(pthread_t, size_t, struct cpu_set_t *);
int pthread_setaffinity_np(pthread_t, size_t, const struct cpu_set_t *);
int pthread_getattr_np(pthread_t, pthread_attr_t *);
int pthread_setname_np(pthread_t, const char *);
int pthread_getattr_default_np(pthread_attr_t *);
int pthread_setattr_default_np(const pthread_attr_t *);
int pthread_tryjoin_np(pthread_t, void **);
int pthread_timedjoin_np(pthread_t, void **, const struct timespec *);
#endif