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| author | H.J. Lu <hjl.tools@gmail.com> | 2021-06-21 12:42:56 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2021-07-09 15:10:35 -0700 |
| commit | 5d98a7dae955bafa6740c26eaba9c86060ae0344 (patch) | |
| tree | 51ab0a095a5406ec5f1b65eafb1f5808a98e9f63 /include | |
| parent | 7c241325d67af9e24ff03d4c6f6280c17ea181f8 (diff) | |
| download | glibc-5d98a7dae955bafa6740c26eaba9c86060ae0344.zip glibc-5d98a7dae955bafa6740c26eaba9c86060ae0344.tar.gz glibc-5d98a7dae955bafa6740c26eaba9c86060ae0344.tar.bz2 | |
Define PTHREAD_STACK_MIN to sysconf(_SC_THREAD_STACK_MIN)
The constant PTHREAD_STACK_MIN may be too small for some processors.
Rename _SC_SIGSTKSZ_SOURCE to _DYNAMIC_STACK_SIZE_SOURCE. When
_DYNAMIC_STACK_SIZE_SOURCE or _GNU_SOURCE are defined, define
PTHREAD_STACK_MIN to sysconf(_SC_THREAD_STACK_MIN) which is changed
to MIN (PTHREAD_STACK_MIN, sysconf(_SC_MINSIGSTKSZ)).
Consolidate <bits/local_lim.h> with <bits/pthread_stack_min.h> to
provide a constant target specific PTHREAD_STACK_MIN value.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/bits/local_lim.h | 7 | ||||
| -rw-r--r-- | include/features.h | 18 |
2 files changed, 16 insertions, 9 deletions
diff --git a/include/bits/local_lim.h b/include/bits/local_lim.h new file mode 100644 index 0000000..46d82dc --- /dev/null +++ b/include/bits/local_lim.h @@ -0,0 +1,7 @@ +/* Don't define PTHREAD_STACK_MIN to sysconf (_SC_THREAD_STACK_MIN) for + glibc build. */ +#if !defined _ISOMAC +# undef __USE_DYNAMIC_STACK_SIZE +#endif + +#include_next <bits/local_lim.h> diff --git a/include/features.h b/include/features.h index 039bcb1..51c8a98 100644 --- a/include/features.h +++ b/include/features.h @@ -50,8 +50,8 @@ _LARGEFILE64_SOURCE Additional functionality from LFS for large files. _FILE_OFFSET_BITS=N Select default filesystem interface. _ATFILE_SOURCE Additional *at interfaces. - _SC_SIGSTKSZ_SOURCE Select correct (but non compile-time constant) - MINSIGSTKSZ and SIGSTKSZ. + _DYNAMIC_STACK_SIZE_SOURCE Select correct (but non compile-time constant) + MINSIGSTKSZ, SIGSTKSZ and PTHREAD_STACK_MIN. _GNU_SOURCE All of the above, plus GNU extensions. _DEFAULT_SOURCE The default set of features (taking precedence over __STRICT_ANSI__). @@ -98,8 +98,8 @@ __USE_FILE_OFFSET64 Define 64bit interface as default. __USE_MISC Define things from 4.3BSD or System V Unix. __USE_ATFILE Define *at interfaces and AT_* constants for them. - __USE_SC_SIGSTKSZ Define correct (but non compile-time constant) - MINSIGSTKSZ and SIGSTKSZ. + __USE_DYNAMIC_STACK_SIZE Define correct (but non compile-time constant) + MINSIGSTKSZ, SIGSTKSZ and PTHREAD_STACK_MIN. __USE_GNU Define GNU extensions. __USE_FORTIFY_LEVEL Additional security measures used, according to level. @@ -143,7 +143,7 @@ #undef __USE_FILE_OFFSET64 #undef __USE_MISC #undef __USE_ATFILE -#undef __USE_SC_SIGSTKSZ +#undef __USE_DYNAMIC_STACK_SIZE #undef __USE_GNU #undef __USE_FORTIFY_LEVEL #undef __KERNEL_STRICT_NAMES @@ -220,8 +220,8 @@ # define _DEFAULT_SOURCE 1 # undef _ATFILE_SOURCE # define _ATFILE_SOURCE 1 -# undef _SC_SIGSTKSZ_SOURCE -# define _SC_SIGSTKSZ_SOURCE 1 +# undef _DYNAMIC_STACK_SIZE_SOURCE +# define _DYNAMIC_STACK_SIZE_SOURCE 1 #endif /* If nothing (other than _GNU_SOURCE and _DEFAULT_SOURCE) is defined, @@ -399,8 +399,8 @@ # define __USE_ATFILE 1 #endif -#ifdef _SC_SIGSTKSZ_SOURCE -# define __USE_SC_SIGSTKSZ 1 +#ifdef _DYNAMIC_STACK_SIZE_SOURCE +# define __USE_DYNAMIC_STACK_SIZE 1 #endif #ifdef _GNU_SOURCE |