main.c

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