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49 lines
852 B
C
49 lines
852 B
C
#define _sio_main_c_
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#include "syshdrs.h"
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int gLibSio_Uses_Me_To_Quiet_Variable_Unused_Warnings = 0;
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#ifndef NO_SIGNALS
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volatile Sjmp_buf gNetTimeoutJmp;
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volatile Sjmp_buf gPipeJmp;
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void
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SIOHandler(int sigNum)
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{
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if (sigNum == SIGPIPE)
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SLongjmp(gPipeJmp, 1);
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SLongjmp(gNetTimeoutJmp, 1);
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} /* SIOHandler */
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void (*SSignal(int signum, void (*handler)(int)))(int)
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{
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#ifdef HAVE_SIGACTION
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struct sigaction sa, osa;
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(void) sigemptyset(&sa.sa_mask);
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sa.sa_flags = 0;
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sa.sa_handler = handler;
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if (signum == SIGALRM) {
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#ifdef SA_INTERRUPT
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sa.sa_flags |= SA_INTERRUPT;
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#endif
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} else {
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#ifdef SA_RESTART
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sa.sa_flags |= SA_RESTART;
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#endif
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}
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if (sigaction(signum, &sa, &osa) < 0)
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return (SIG_ERR);
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return (osa.sa_handler);
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#else
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return SSignal(signum, handler);
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#endif /* HAVE_SIGACTION */
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}
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#endif /* NO_SIGNALS */
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/* eof main.c */
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