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mit-pthreads/machdep/sunos-5.3/__signal.h

 

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#include <sys/feature_tests.h>

 

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#include <sys/signal.h>

 

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/*

 

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typedef struct {  

 

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    unsigned long   __sigbits[4];

 

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} sigset_t;

 

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*/

 

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typedef int sig_atomic_t;

 

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#define sigmask(n)      ((unsigned int)1 << (((n) - 1) & (32 - 1)))

 

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#define sigword(n)      (((unsigned int)((n) - 1))>>5)

 

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#define __SIGEMPTYSET            { 0, 0, 0, 0 };

 

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#define __SIGFILLSET             { 0xffffffff,0xffffffff,0xffffffff,0xffffffff };

 

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#define __SIGADDSET(s, n)     ((s)->__sigbits[sigword(n)] |= sigmask(n))

 

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#define __SIGDELSET(s, n)     ((s)->__sigbits[sigword(n)] &= ~sigmask(n))

 

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#define __SIGISMEMBER(s, n)   (sigmask(n) & (s)->__sigbits[sigword(n)])

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