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LibCore: Add syscall wrapper for munmap()

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This commit is contained in:
Andreas Kling 2021-11-23 11:51:11 +01:00
parent 53e9b9758e
commit 45842a5208
2 changed files with 8 additions and 0 deletions
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7
Userland/Libraries/LibCore/System.cpp
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@ -85,4 +85,11 @@ ErrorOr<void*> mmap(void* address, size_t size, int protection, int flags, int f
#endif #endif
} }
ErrorOr<void> munmap(void* address, size_t size)
{
if (::munmap(address, size) < 0)
return Error::from_syscall("munmap"sv, -errno);
return {};
}
} }

1
Userland/Libraries/LibCore/System.h
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@ -21,5 +21,6 @@ ErrorOr<void> sigaction(int signal, struct sigaction const* action, struct sigac
ErrorOr<struct stat> fstat(int fd); ErrorOr<struct stat> fstat(int fd);
ErrorOr<int> fcntl(int fd, int command, ...); ErrorOr<int> fcntl(int fd, int command, ...);
ErrorOr<void*> mmap(void* address, size_t, int protection, int flags, int fd, off_t, size_t alignment = 0, StringView name = {}); ErrorOr<void*> mmap(void* address, size_t, int protection, int flags, int fd, off_t, size_t alignment = 0, StringView name = {});
ErrorOr<void> munmap(void* address, size_t);
} }