20 lines
528 B
C++
20 lines
528 B
C++
#include <setjmp.h>
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#include <signal.h>
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static_assert(sizeof(sigjmp_buf) == (_JMP_BUF_REGS + 1) * sizeof(long) + sizeof(sigset_t));
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void siglongjmp(sigjmp_buf env, int val)
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{
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if (env[_JMP_BUF_REGS])
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pthread_sigmask(SIG_SETMASK, reinterpret_cast<sigset_t*>(&env[_JMP_BUF_REGS + 1]), nullptr);
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return longjmp(env, val);
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}
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int sigsetjmp(sigjmp_buf env, int savemask)
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{
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env[_JMP_BUF_REGS] = savemask;
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if (savemask)
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pthread_sigmask(0, nullptr, reinterpret_cast<sigset_t*>(&env[_JMP_BUF_REGS + 1]));
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return setjmp(env);
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}
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