mirror of
https://github.com/FEX-Emu/FEX.git
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Paulo Matos
905aa935f5
Followup to 2b4ec88dae.
Some files needed a couple of calls to clang-format 16.0.6 to
reach a fixed point.
45 lines
1.4 KiB
C++
45 lines
1.4 KiB
C++
#include <cstdint>
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#include <fstream>
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#include <stdio.h>
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#include <sys/shm.h>
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#include <unistd.h>
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static bool ctime_is_old(uint64_t ctime) {
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time_t curtime;
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time(&curtime);
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// If it is older than ten minutes.
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return (curtime - ctime) > 600;
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}
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int main() {
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// clang-format off
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// key shmid perms size cpid lpid nattch uid gid cuid cgid atime dtime ctime rss swap
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// 0 360448 777 4096 165187 165187 0 1002 1002 1002 1002 1679659857 1679659857 1679659857 4096 0
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// 0 32769 777 4096 153814 153814 0 1002 1002 1002 1002 1676490841 1676490841 1676490841 0 4096
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// clang-format on
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std::ifstream fs {"/proc/sysvipc/shm", std::fstream::binary};
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std::string Line;
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// Remove first line
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std::getline(fs, Line);
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const auto current_uid = getuid();
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while (std::getline(fs, Line)) {
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if (fs.eof()) {
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break;
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}
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int shmid;
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int uid;
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int attach;
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uint64_t ctime;
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if (sscanf(Line.c_str(), "%*d %d %*d %*d %*d %*d %d %d %*d %*d %*d %*d %*d %ld", &shmid, &attach, &uid, &ctime) == 4) {
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// If the UID matches and nothing is attached AND it is old then delete it.
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if (uid == current_uid && attach == 0 && ctime_is_old(ctime)) {
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shmctl(shmid, IPC_RMID, nullptr);
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}
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}
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}
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return 0;
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}
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