SAcceptA.c File Reference

#include "syshdrs.h"

Include dependency graph for SAcceptA.c:

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Functions
int	SAcceptA (int sfd, struct sockaddr_in *const addr, int tlen)

Function Documentation

SAcceptA()

int SAcceptA	(	int	sfd,
		struct sockaddr_in *const	addr,
		int	tlen
	)

Definition at line 9 of file SAcceptA.c.

{
    int result;
#ifndef NO_SIGNALS
    vsio_sigproc_t sigalrm, sigpipe;
#endif
    size_t size;

    if (tlen < 0) {
        errno = 0;
        for (;;) {
            size = sizeof(struct sockaddr_in);
            result = accept(sfd, (struct sockaddr *) addr, (int *) &size);
            if ((result >= 0) || (errno != EINTR))
                return (result);
        }
    }
#ifndef NO_SIGNALS
    if (SSetjmp(gNetTimeoutJmp) != 0) {
        alarm(0);
        (void) SSignal(SIGALRM, (sio_sigproc_t) sigalrm);
        (void) SSignal(SIGPIPE, (sio_sigproc_t) sigpipe);
        errno = ETIMEDOUT;
        return (kTimeoutErr);
    }

    sigalrm = (vsio_sigproc_t) SSignal(SIGALRM, SIOHandler);
    sigpipe = (vsio_sigproc_t) SSignal(SIGPIPE, SIG_IGN);
    alarm((unsigned int) tlen);

    errno = 0;
    do {
        size = sizeof(struct sockaddr_in);
        result = accept(sfd, (struct sockaddr *) addr, (int *) &size);
    } while ((result < 0) && (errno == EINTR));

    alarm(0);
    (void) SSignal(SIGALRM, (sio_sigproc_t) sigalrm);
    (void) SSignal(SIGPIPE, (sio_sigproc_t) sigpipe);
    return (result);
#else
    return (-1);
#endif
}   /* SAcceptA */