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| author | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2020-12-29 11:52:41 -0300 |
|---|---|---|
| committer | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2021-01-05 11:33:16 -0300 |
| commit | ecdb06cdf22c7d37699f5420265245ff31c53b3c (patch) | |
| tree | deeeefe82be1af64318f0b722a037f0c336e9fee | |
| parent | c6e0b0b5b0b7922cdf0dce2af671e0c7e500df95 (diff) | |
| download | glibc-ecdb06cdf22c7d37699f5420265245ff31c53b3c.zip glibc-ecdb06cdf22c7d37699f5420265245ff31c53b3c.tar.gz glibc-ecdb06cdf22c7d37699f5420265245ff31c53b3c.tar.bz2 | |
support: Add support_small_thread_stack_size
It returns the minimum stack size large enough to cover most internal
glibc stack usage.
| -rw-r--r-- | support/support_set_small_thread_stack_size.c | 12 | ||||
| -rw-r--r-- | support/xthread.h | 2 |
2 files changed, 11 insertions, 3 deletions
diff --git a/support/support_set_small_thread_stack_size.c b/support/support_set_small_thread_stack_size.c index 3b0426e..faa2e2f 100644 --- a/support/support_set_small_thread_stack_size.c +++ b/support/support_set_small_thread_stack_size.c @@ -20,8 +20,8 @@ #include <pthread.h> #include <support/xthread.h> -void -support_set_small_thread_stack_size (pthread_attr_t *attr) +size_t +support_small_thread_stack_size (void) { /* Some architectures have too small values for PTHREAD_STACK_MIN which cannot be used for creating threads. Ensure that the stack @@ -31,5 +31,11 @@ support_set_small_thread_stack_size (pthread_attr_t *attr) if (stack_size < PTHREAD_STACK_MIN) stack_size = PTHREAD_STACK_MIN; #endif - xpthread_attr_setstacksize (attr, stack_size); + return stack_size; +} + +void +support_set_small_thread_stack_size (pthread_attr_t *attr) +{ + xpthread_attr_setstacksize (attr, support_small_thread_stack_size ()); } diff --git a/support/xthread.h b/support/xthread.h index d57cef6..c2086db 100644 --- a/support/xthread.h +++ b/support/xthread.h @@ -75,6 +75,8 @@ void xpthread_attr_setstacksize (pthread_attr_t *attr, void xpthread_attr_setguardsize (pthread_attr_t *attr, size_t guardsize); +/* Return the stack size used on support_set_small_thread_stack_size. */ +size_t support_small_thread_stack_size (void); /* Set the stack size in ATTR to a small value, but still large enough to cover most internal glibc stack usage. */ void support_set_small_thread_stack_size (pthread_attr_t *attr); |