diff options
author | alfred <alfred@FreeBSD.org> | 2002-05-13 07:58:15 +0000 |
---|---|---|
committer | alfred <alfred@FreeBSD.org> | 2002-05-13 07:58:15 +0000 |
commit | 135bb8bda20243a1d25ec3f1957340e0ad3adb78 (patch) | |
tree | 560dda98ad29714a8b86e7627eb2c047ba236df3 /lib/libkse/thread/thr_stack.c | |
parent | 796d01e2a84d0cd774be8511d13ebf2076c43f66 (diff) | |
download | FreeBSD-src-135bb8bda20243a1d25ec3f1957340e0ad3adb78.zip FreeBSD-src-135bb8bda20243a1d25ec3f1957340e0ad3adb78.tar.gz |
Don't use PAGE_SIZE in userland, instead use getpagesize(), this is to
allow running on other arches when the instructions are supported but
the page size granularity is not.
Glanced at by: peter
Diffstat (limited to 'lib/libkse/thread/thr_stack.c')
-rw-r--r-- | lib/libkse/thread/thr_stack.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/lib/libkse/thread/thr_stack.c b/lib/libkse/thread/thr_stack.c index 86f0a2d..1913b09 100644 --- a/lib/libkse/thread/thr_stack.c +++ b/lib/libkse/thread/thr_stack.c @@ -122,13 +122,13 @@ _thread_stack_alloc(size_t stacksize, size_t guardsize) size_t stack_size; /* - * Round up stack size to nearest multiple of PAGE_SIZE, so that mmap() + * Round up stack size to nearest multiple of pthread_page_size, so that mmap() * will work. If the stack size is not an even multiple, we end up * initializing things such that there is unused space above the * beginning of the stack, so the stack sits snugly against its guard. */ - if (stacksize % PAGE_SIZE != 0) - stack_size = ((stacksize / PAGE_SIZE) + 1) * PAGE_SIZE; + if (stacksize % pthread_page_size != 0) + stack_size = ((stacksize / pthread_page_size) + 1) * pthread_page_size; else stack_size = stacksize; @@ -137,7 +137,7 @@ _thread_stack_alloc(size_t stacksize, size_t guardsize) * from the default-size stack cache: */ if (stack_size == PTHREAD_STACK_DEFAULT && - guardsize == PTHREAD_GUARD_DEFAULT) { + guardsize == pthread_guard_default) { /* * Use the garbage collector mutex for synchronization of the * spare stack list. @@ -187,7 +187,7 @@ _thread_stack_alloc(size_t stacksize, size_t guardsize) if (last_stack == NULL) last_stack = _usrstack - PTHREAD_STACK_INITIAL - - PTHREAD_GUARD_DEFAULT; + pthread_guard_default; /* Allocate a new stack. */ stack = last_stack - stack_size; @@ -217,17 +217,17 @@ _thread_stack_free(void *stack, size_t stacksize, size_t guardsize) struct stack *spare_stack; spare_stack = (stack + stacksize - sizeof(struct stack)); - /* Round stacksize up to nearest multiple of PAGE_SIZE. */ - if (stacksize % PAGE_SIZE != 0) { - spare_stack->stacksize = ((stacksize / PAGE_SIZE) + 1) * - PAGE_SIZE; + /* Round stacksize up to nearest multiple of pthread_page_size. */ + if (stacksize % pthread_page_size != 0) { + spare_stack->stacksize = ((stacksize / pthread_page_size) + 1) * + pthread_page_size; } else spare_stack->stacksize = stacksize; spare_stack->guardsize = guardsize; spare_stack->stackaddr = stack; if (spare_stack->stacksize == PTHREAD_STACK_DEFAULT && - spare_stack->guardsize == PTHREAD_GUARD_DEFAULT) { + spare_stack->guardsize == pthread_guard_default) { /* Default stack/guard size. */ LIST_INSERT_HEAD(&_dstackq, spare_stack, qe); } else { |