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authorWaldemar Brodkorb <wbx@uclibc-ng.org>2015-12-22 09:51:13 (GMT)
committerWaldemar Brodkorb <wbx@uclibc-ng.org>2015-12-22 09:54:49 (GMT)
commit74b17c7956b8f0bd109b0fd26a8a9869441d09bf (patch)
tree94f878255b1cb6767f582170568c5f221a3caebc
parent73491f469c244ec077e8448d41c4e193b6a3599b (diff)
use arch specific thread stack size for nptl
Use the arch specific thread stack size for nptl if the size returned by getrlimits exceeds it - fixes threads on systems with only 16 MB RAM. Patch from OpenWRT Reported-by: Leonid Lisovskiy <lly.dev@gmail.com>
-rw-r--r--libpthread/nptl/init.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/libpthread/nptl/init.c b/libpthread/nptl/init.c
index bcd49ed..776bec7 100644
--- a/libpthread/nptl/init.c
+++ b/libpthread/nptl/init.c
@@ -382,6 +382,10 @@ __pthread_initialize_minimal_internal (void)
Use the minimal size acceptable. */
limit.rlim_cur = PTHREAD_STACK_MIN;
+ /* Do not exceed architecture specific default */
+ if (limit.rlim_cur > ARCH_STACK_DEFAULT_SIZE)
+ limit.rlim_cur = ARCH_STACK_DEFAULT_SIZE;
+
/* 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);