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| author | Roland McGrath <roland@gnu.org> | 2003-12-23 23:07:09 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 2003-12-23 23:07:09 +0000 |
| commit | d9cabb2f8060f2fb41abff2ea745534a3ad2bf97 (patch) | |
| tree | faac1b1f9f0c881b24ac0ce73b8a34609aade930 /nptl/init.c | |
| parent | 8cae99dba5e26eb9fdd118e1bc9abba00d7f8b5b (diff) | |
| download | glibc-d9cabb2f8060f2fb41abff2ea745534a3ad2bf97.zip glibc-d9cabb2f8060f2fb41abff2ea745534a3ad2bf97.tar.gz glibc-d9cabb2f8060f2fb41abff2ea745534a3ad2bf97.tar.bz2 | |
2003-12-23 Roland McGrath <roland@redhat.com>
* init.c (__pthread_initialize_minimal_internal): Round stack rlimit
value up to page size for __default_stacksize.
Diffstat (limited to 'nptl/init.c')
| -rw-r--r-- | nptl/init.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/nptl/init.c b/nptl/init.c index b38b9be..1f11edb 100644 --- a/nptl/init.c +++ b/nptl/init.c @@ -255,12 +255,17 @@ __pthread_initialize_minimal_internal (void) || limit.rlim_cur == RLIM_INFINITY) /* The system limit is not usable. Use an architecture-specific default. */ - limit.rlim_cur = ARCH_STACK_DEFAULT_SIZE; - - __default_stacksize = MAX (limit.rlim_cur, PTHREAD_STACK_MIN); - /* The maximum page size better should be a multiple of the page - size. */ - assert (__default_stacksize % __sysconf (_SC_PAGESIZE) == 0); + __default_stacksize = 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; + } /* Get the size of the static and alignment requirements for the TLS block. */ |