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25 lines
605 B
25 lines
605 B
#include <signal.h>
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#include "syscall.h"
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#include "libc.h"
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#include "pthread_impl.h"
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int __libc_sigprocmask(int how, const sigset_t *set, sigset_t *old)
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{
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return syscall4(__NR_rt_sigprocmask, how, (long)set, (long)old, 8);
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}
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int __sigprocmask(int how, const sigset_t *set, sigset_t *old)
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{
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sigset_t tmp;
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/* Disallow blocking thread control signals */
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if (how != SIG_UNBLOCK) {
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tmp = *set;
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set = &tmp;
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sigdelset(&tmp, SIGCANCEL);
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sigdelset(&tmp, SIGSYSCALL);
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}
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return __libc_sigprocmask(how, set, old);
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}
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weak_alias(__sigprocmask, sigprocmask);
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weak_alias(__sigprocmask, pthread_sigmask);
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