diff options
Diffstat (limited to 'src/libthread/stkmmap.c')
-rw-r--r-- | src/libthread/stkmmap.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/libthread/stkmmap.c b/src/libthread/stkmmap.c new file mode 100644 index 00000000..f4a24630 --- /dev/null +++ b/src/libthread/stkmmap.c @@ -0,0 +1,25 @@ +#include <u.h> +#include <sys/mman.h> +#include "threadimpl.h" + +#ifndef MAP_STACK +#define MAP_STACK 0 +#endif + +void* +_threadstkalloc(int n) +{ + void *p; + + p = mmap(nil, n, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANON|MAP_STACK, -1, 0); + if(p == (void*)-1) + return nil; + return p; +} + +void +_threadstkfree(void *v, int n) +{ + if(n > 0) + munmap(v, n); +} |