diff options
Diffstat (limited to 'libpthread/nptl/allocatestack.c')
| -rw-r--r-- | libpthread/nptl/allocatestack.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/libpthread/nptl/allocatestack.c b/libpthread/nptl/allocatestack.c index 1c549cee1..e30fe41a2 100644 --- a/libpthread/nptl/allocatestack.c +++ b/libpthread/nptl/allocatestack.c @@ -122,7 +122,7 @@ static uintptr_t in_flight_stack; list_t __stack_user __attribute__ ((nocommon)); hidden_data_def (__stack_user) -#if COLORING_INCREMENT != 0 +#if defined COLORING_INCREMENT && COLORING_INCREMENT != 0 /* Number of threads created. */ static unsigned int nptl_ncreated; #endif @@ -316,10 +316,10 @@ change_stack_perm (struct pthread *pd + (((((pd->stackblock_size - pd->guardsize) / 2) & pagemask) + pd->guardsize) & pagemask)); size_t len = pd->stackblock + pd->stackblock_size - stack; -#elif _STACK_GROWS_DOWN +#elif defined _STACK_GROWS_DOWN void *stack = pd->stackblock + pd->guardsize; size_t len = pd->stackblock_size - pd->guardsize; -#elif _STACK_GROWS_UP +#elif defined _STACK_GROWS_UP void *stack = pd->stackblock; size_t len = (uintptr_t) pd - pd->guardsize - (uintptr_t) pd->stackblock; #else @@ -443,7 +443,7 @@ allocate_stack (const struct pthread_attr *attr, struct pthread **pdp, void *mem = 0; const int prot = (PROT_READ | PROT_WRITE); -#if COLORING_INCREMENT != 0 +#if defined COLORING_INCREMENT && COLORING_INCREMENT != 0 /* Add one more page for stack coloring. Don't do it for stacks with 16 times pagesize or larger. This might just cause unnecessary misalignment. */ @@ -474,7 +474,7 @@ allocate_stack (const struct pthread_attr *attr, struct pthread **pdp, adjust the allocated stack size if necessary. This way allocations directly following each other will not have aliasing problems. */ -#if MULTI_PAGE_ALIASING != 0 +#if defined MULTI_PAGE_ALIASING && MULTI_PAGE_ALIASING != 0 if ((size % MULTI_PAGE_ALIASING) == 0) size += pagesize_m1 + 1; #endif @@ -494,7 +494,7 @@ allocate_stack (const struct pthread_attr *attr, struct pthread **pdp, So we can never get a null pointer back from mmap. */ assert (mem != NULL); -#if COLORING_INCREMENT != 0 +#if defined COLORING_INCREMENT && COLORING_INCREMENT != 0 /* Atomically increment NCREATED. */ unsigned int ncreated = atomic_increment_val (&nptl_ncreated); @@ -591,9 +591,9 @@ allocate_stack (const struct pthread_attr *attr, struct pthread **pdp, { #ifdef NEED_SEPARATE_REGISTER_STACK char *guard = mem + (((size - guardsize) / 2) & ~pagesize_m1); -#elif _STACK_GROWS_DOWN +#elif defined _STACK_GROWS_DOWN char *guard = mem; -# elif _STACK_GROWS_UP +#elif defined _STACK_GROWS_UP char *guard = (char *) (((uintptr_t) pd - guardsize) & ~pagesize_m1); #endif if (mprotect (guard, guardsize, PROT_NONE) != 0) @@ -641,11 +641,11 @@ allocate_stack (const struct pthread_attr *attr, struct pthread **pdp, oldguard + pd->guardsize - guard - guardsize, prot) != 0) goto mprot_error; -#elif _STACK_GROWS_DOWN +#elif defined _STACK_GROWS_DOWN if (mprotect ((char *) mem + guardsize, pd->guardsize - guardsize, prot) != 0) goto mprot_error; -#elif _STACK_GROWS_UP +#elif defined _STACK_GROWS_UP if (mprotect ((char *) pd - pd->guardsize, pd->guardsize - guardsize, prot) != 0) goto mprot_error; @@ -688,9 +688,9 @@ allocate_stack (const struct pthread_attr *attr, struct pthread **pdp, #ifdef NEED_SEPARATE_REGISTER_STACK *stack = pd->stackblock; *stacksize = stacktop - *stack; -#elif _STACK_GROWS_DOWN +#elif defined _STACK_GROWS_DOWN *stack = stacktop; -#elif _STACK_GROWS_UP +#elif defined _STACK_GROWS_UP *stack = pd->stackblock; assert (*stack > 0); #endif |