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  /external/libchrome/sandbox/linux/seccomp-bpf/
trap.h 21 // raising a SIGSYS signal.
34 // Registry returns the trap registry used by Trap's SIGSYS handler,
58 // break subsequent system calls that trigger a SIGSYS.
63 // Make sure that SigSys is not inlined in order to get slightly better crash
65 void SigSys(int nr, LinuxSigInfo* info, ucontext_t* ctx)
67 // We have a global singleton that handles all of our SIGSYS traps. This
69 // there is no way to reset in-kernel BPF filters that generate SIGSYS
trap.cc 84 // Set new SIGSYS handler
93 SANDBOX_DIE("Failed to configure SIGSYS handler");
98 "Existing signal handler when trying to install SIGSYS. SIGSYS needs "
104 // Unmask SIGSYS
108 SANDBOX_DIE("Failed to configure SIGSYS handler");
144 global_trap_->SigSys(nr, info, ctx);
147 void Trap::SigSys(int nr, LinuxSigInfo* info, ucontext_t* ctx) {
153 // triggered by a BPF filter. If something else triggered SIGSYS
158 // ATI drivers seem to send SIGSYS, so this cannot be FATAL
170 struct arch_sigsys sigsys; local
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