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authorRoland McGrath <roland@gnu.org>2005-10-16 11:38:59 +0000
committerRoland McGrath <roland@gnu.org>2005-10-16 11:38:59 +0000
commitfe60d146c76a500ac68496c2c2b3223337d3d7c6 (patch)
tree8d2bfda59a4314a797e2db985bce7b5832f20b60 /nptl
parentc45c24812b64c41a494e74c789a9e91ea21b3f7c (diff)
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* sysdeps/unix/sysv/linux/sh/bits/mman.h: Define MREMAP_FIXED.
Diffstat (limited to 'nptl')
-rw-r--r--nptl/ChangeLog6
-rw-r--r--nptl/init.c21
2 files changed, 19 insertions, 8 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index 3c8e73a2b9..ef30df0fda 100644
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -1,3 +1,9 @@
+2005-10-16 Roland McGrath <roland@redhat.com>
+
+ * init.c (__pthread_initialize_minimal_internal): Even when using a
+ compile-time default stack size, apply the minimum that allocate_stack
+ will require, and round up to page size.
+
2005-10-10 Daniel Jacobowitz <dan@codesourcery.com>
* Makefile ($(test-modules)): Remove static pattern rule.
diff --git a/nptl/init.c b/nptl/init.c
index de704122d1..6a7fff9959 100644
--- a/nptl/init.c
+++ b/nptl/init.c
@@ -297,17 +297,22 @@ __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;
+
+ /* 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 * 2 + __static_tls_size + MINIMAL_REST_STACK;
+ if (limit.rlim_cur < minstack)
+ limit.rlim_cur = minstack;
+
+ /* Round the resource limit up to page size. */
+ limit.rlim_cur = (limit.rlim_cur + pagesz - 1) & -pagesz;
+ __default_stacksize = limit.rlim_cur;
/* Get the size of the static and alignment requirements for the TLS
block. */