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Kernel+LibC: Add a very limited sys$mremap() implementation

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This syscall can currently only remap a shared file-backed mapping into
a private file-backed mapping.
This commit is contained in:
Andreas Kling 2020-12-29 02:11:47 +01:00
parent c1360ef22e
commit 30dbe9c78a
6 changed files with 71 additions and 1 deletions
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1
Libraries/LibC/mman.h
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@ -56,6 +56,7 @@ __BEGIN_DECLS
void* mmap(void* addr, size_t, int prot, int flags, int fd, off_t);
void* mmap_with_name(void* addr, size_t, int prot, int flags, int fd, off_t, const char* name);
void* serenity_mmap(void* addr, size_t, int prot, int flags, int fd, off_t, size_t alignment, const char* name);
void* mremap(void* old_address, size_t old_size, size_t new_size, int flags);
int munmap(void*, size_t);
int mprotect(void*, size_t, int prot);
int set_mmap_name(void*, size_t, const char*);