diff options
Diffstat (limited to 'contain.cc')
| -rw-r--r-- | contain.cc | 17 |
1 files changed, 17 insertions, 0 deletions
@@ -119,6 +119,22 @@ static bool containCPU(nsjconf_t* nsjconf) { return cpu::initCpu(nsjconf); } +static bool containTSC(nsjconf_t* nsjconf) { + if (nsjconf->disable_tsc) { +#if defined(__x86_64__) || defined(__i386__) + if (prctl(PR_SET_TSC, PR_TSC_SIGSEGV, 0, 0, 0) == -1) { + PLOG_E("prctl(PR_SET_TSC, PR_TSC_SIGSEGV)"); + return false; + } +#else /* defined(__x86_64__) || defined(__i386__) */ + LOG_W( + "prctl(PR_SET_TSC, PR_TSC_SIGSEGV) requested, but it's supported under " + "x86/x86-64 CPU architectures only. Ignoring it!"); +#endif /* defined(__x86_64__) || defined(__i386__) */ + } + return true; +} + static bool containSetLimits(nsjconf_t* nsjconf) { if (nsjconf->disable_rl) { return true; @@ -326,6 +342,7 @@ bool containProc(nsjconf_t* nsjconf) { /* */ /* As non-root */ RETURN_ON_FAILURE(containCPU(nsjconf)); + RETURN_ON_FAILURE(containTSC(nsjconf)); RETURN_ON_FAILURE(containSetLimits(nsjconf)); RETURN_ON_FAILURE(containPrepareEnv(nsjconf)); RETURN_ON_FAILURE(containMakeFdsCOE(nsjconf)); |