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LibCore: Use mmap() and munmap() wrappers in Core::MappedFile

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This commit is contained in:
Andreas Kling 2021-11-23 11:51:46 +01:00
parent 45842a5208
commit 094fa900a3
1 changed files with 2 additions and 12 deletions
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14
Userland/Libraries/LibCore/MappedFile.cpp
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@ -36,16 +36,7 @@ ErrorOr<NonnullRefPtr<MappedFile>> MappedFile::map_from_fd_and_close(int fd, [[m
auto stat = TRY(Core::System::fstat(fd));
auto size = stat.st_size;
auto* ptr = mmap(nullptr, size, PROT_READ, MAP_SHARED, fd, 0);
if (ptr == MAP_FAILED)
return Error::from_errno(errno);
#ifdef __serenity__
if (set_mmap_name(ptr, size, path.characters()) < 0) {
perror("set_mmap_name");
}
#endif
auto* ptr = TRY(Core::System::mmap(nullptr, size, PROT_READ, MAP_SHARED, fd, 0, 0, path));
return adopt_ref(*new MappedFile(ptr, size));
}
@ -58,8 +49,7 @@ MappedFile::MappedFile(void* ptr, size_t size)
MappedFile::~MappedFile()
{
auto rc = munmap(m_data, m_size);
VERIFY(rc == 0);
MUST(Core::System::munmap(m_data, m_size));
}
}