diff options
Diffstat (limited to 'libpthread/nptl/init.c')
-rw-r--r-- | libpthread/nptl/init.c | 44 |
1 files changed, 27 insertions, 17 deletions
diff --git a/libpthread/nptl/init.c b/libpthread/nptl/init.c index ead1a3fba..cd5d39314 100644 --- a/libpthread/nptl/init.c +++ b/libpthread/nptl/init.c @@ -271,6 +271,17 @@ __pthread_initialize_minimal_internal (void) (void) INTERNAL_SYSCALL (rt_sigprocmask, err, 4, SIG_UNBLOCK, &sa.sa_mask, NULL, _NSIG / 8); + /* Get the size of the static and alignment requirements for the TLS + block. */ + size_t static_tls_align; + _dl_get_tls_static_info (&__static_tls_size, &static_tls_align); + + /* Make sure the size takes all the alignments into account. */ + if (STACK_ALIGN > static_tls_align) + static_tls_align = STACK_ALIGN; + __static_tls_align_m1 = static_tls_align - 1; + + __static_tls_size = roundup (__static_tls_size, static_tls_align); /* Determine the default allowed stack size. This is the size used in case the user does not specify one. */ @@ -279,29 +290,28 @@ __pthread_initialize_minimal_internal (void) || limit.rlim_cur == RLIM_INFINITY) /* The system limit is not usable. Use an architecture-specific default. */ - __default_stacksize = ARCH_STACK_DEFAULT_SIZE; + limit.rlim_cur = ARCH_STACK_DEFAULT_SIZE; else if (limit.rlim_cur < PTHREAD_STACK_MIN) /* The system limit is unusably small. Use the minimal size acceptable. */ - __default_stacksize = PTHREAD_STACK_MIN; - else - { - /* Round the resource limit up to page size. */ - const uintptr_t pagesz = sysconf (_SC_PAGESIZE); - __default_stacksize = (limit.rlim_cur + pagesz - 1) & -pagesz; - } + limit.rlim_cur = PTHREAD_STACK_MIN; - /* Get the size of the static and alignment requirements for the TLS - block. */ - size_t static_tls_align; - _dl_get_tls_static_info (&__static_tls_size, &static_tls_align); + /* Make sure it meets the minimum size that allocate_stack + (allocatestack.c) will demand, which depends on the page size. */ + const uintptr_t pagesz = sysconf (_SC_PAGESIZE); + const size_t minstack = pagesz + __static_tls_size + MINIMAL_REST_STACK; + if (limit.rlim_cur < minstack) + limit.rlim_cur = minstack; - /* Make sure the size takes all the alignments into account. */ - if (STACK_ALIGN > static_tls_align) - static_tls_align = STACK_ALIGN; - __static_tls_align_m1 = static_tls_align - 1; + /* Round the resource limit up to page size. */ + limit.rlim_cur = (limit.rlim_cur + pagesz - 1) & -pagesz; + __default_stacksize = limit.rlim_cur; - __static_tls_size = roundup (__static_tls_size, static_tls_align); +#ifdef SHARED + /* Transfer the old value from the dynamic linker's internal location. */ + *__libc_dl_error_tsd () = *(*GL(dl_error_catch_tsd)) (); + GL(dl_error_catch_tsd) = &__libc_dl_error_tsd; +#endif GL(dl_init_static_tls) = &__pthread_init_static_tls; |