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| author | Florian Weimer <fweimer@redhat.com> | 2021-06-28 15:48:58 +0200 |
|---|---|---|
| committer | Florian Weimer <fweimer@redhat.com> | 2021-06-28 16:41:58 +0200 |
| commit | dd45734e322a03287d34d8af9b7da7b35cfddb8e (patch) | |
| tree | 368647bd8c34ea5d1ea1f3cfa74ef52fb3271e67 /nptl/pthread_mutex_conf.c | |
| parent | fef400a2f976d1fd6a4639e6980f6c50ee13fbf5 (diff) | |
| download | glibc-dd45734e322a03287d34d8af9b7da7b35cfddb8e.zip glibc-dd45734e322a03287d34d8af9b7da7b35cfddb8e.tar.gz glibc-dd45734e322a03287d34d8af9b7da7b35cfddb8e.tar.bz2 | |
nptl: Add glibc.pthread.stack_cache_size tunable
The valgrind/helgrind test suite needs a way to make stack dealloction
more prompt, and this feature seems to be generally useful.
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
Diffstat (limited to 'nptl/pthread_mutex_conf.c')
| -rw-r--r-- | nptl/pthread_mutex_conf.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/nptl/pthread_mutex_conf.c b/nptl/pthread_mutex_conf.c index e6235de..c8f171c 100644 --- a/nptl/pthread_mutex_conf.c +++ b/nptl/pthread_mutex_conf.c @@ -23,6 +23,7 @@ #include <stdbool.h> #include <unistd.h> /* Get STDOUT_FILENO for _dl_printf. */ #include <elf/dl-tunables.h> +#include <nptl-stack.h> struct mutex_config __mutex_aconf = { @@ -38,10 +39,18 @@ TUNABLE_CALLBACK (set_mutex_spin_count) (tunable_val_t *valp) __mutex_aconf.spin_count = (int32_t) (valp)->numval; } +static void +TUNABLE_CALLBACK (set_stack_cache_size) (tunable_val_t *valp) +{ + __nptl_stack_cache_maxsize = valp->numval; +} + void __pthread_tunables_init (void) { TUNABLE_GET (mutex_spin_count, int32_t, TUNABLE_CALLBACK (set_mutex_spin_count)); + TUNABLE_GET (stack_cache_size, size_t, + TUNABLE_CALLBACK (set_stack_cache_size)); } #endif |