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Unlink shm file on close

This commit is contained in:
Alex Sanchez-Stern 2024-09-22 22:11:31 -07:00
parent d8d8b5a847
commit 1252eba1cc
2 changed files with 6 additions and 2 deletions
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3
Source/Core/Common/MemArena.h
View File

@ -124,6 +124,9 @@ private:
int m_shm_fd = 0;
void* m_reserved_region = nullptr;
std::size_t m_reserved_region_size = 0;
#ifndef ANDROID
std::string m_seg_name;
#endif
#endif
};

5
Source/Core/Common/MemArenaUnix.cpp
View File

@ -30,8 +30,8 @@ MemArena::~MemArena() = default;
void MemArena::GrabSHMSegment(size_t size, std::string_view base_name)
{
const std::string file_name = fmt::format("/{}.{}", base_name, getpid());
m_shm_fd = shm_open(file_name.c_str(), O_RDWR | O_CREAT | O_EXCL, 0600);
m_seg_name = fmt::format("/{}.{}", base_name, getpid());
m_shm_fd = shm_open(m_seg_name.c_str(), O_RDWR | O_CREAT | O_EXCL, 0600);
if (m_shm_fd == -1)
{
ERROR_LOG_FMT(MEMMAP, "shm_open failed: {}", strerror(errno));
@ -43,6 +43,7 @@ void MemArena::GrabSHMSegment(size_t size, std::string_view base_name)
void MemArena::ReleaseSHMSegment()
{
shm_unlink(m_seg_name.c_str());
close(m_shm_fd);
}