| 29,13 → 29,32 |
|---|
| #include <libc.h> |
| #include <unistd.h> |
| |
| /** Mremap syscall */ |
| void *mremap(void *address, size_t size, unsigned long flags) |
| /** mmap syscall |
| * |
| * @param address Virtual address where to place new address space area. |
| * @param size Size of the area. |
| * @param flags Flags describing type of the area. |
| * |
| * @return address on success, (void *) -1 otherwise. |
| */ |
| void *mmap(void *address, size_t size, int flags) |
| { |
| return (void *) __SYSCALL3(SYS_MMAP, (sysarg_t ) address, (sysarg_t) size, (sysarg_t) flags); |
| } |
| |
| /** mremap syscall |
| * |
| * @param address Virtual address pointing into already existing address space area. |
| * @param size New requested size of the area. |
| * @param flags Currently unused. |
| * |
| * @return address on success, (void *) -1 otherwise. |
| */ |
| void *mremap(void *address, size_t size, int flags) |
| { |
| return (void *) __SYSCALL3(SYS_MREMAP, (sysarg_t ) address, (sysarg_t) size, (sysarg_t) flags); |
| } |
| |
| |
| static size_t heapsize = 0; |
| /* Start of heap linker symbol */ |
| extern char _heap; |