1 #include "syshdrs.h"
2
3 #if !defined(NO_UNIX_DOMAIN_SOCKETS) && !defined(NO_SIGNALS)
4
5 extern volatile Sjmp_buf gNetTimeoutJmp;
6 extern volatile Sjmp_buf gPipeJmp;
7
8 int
UAcceptA(int sfd,struct sockaddr_un * const addr,int * ualen,int tlen)9 UAcceptA(int sfd, struct sockaddr_un *const addr, int *ualen, int tlen)
10 {
11 int result;
12 vsio_sigproc_t sigalrm, sigpipe;
13
14 if (tlen < 0) {
15 errno = 0;
16 for (;;) {
17 *ualen = (int) sizeof(struct sockaddr_un);
18 result = accept(sfd, (struct sockaddr *) addr, (int *) ualen);
19 if ((result >= 0) || (errno != EINTR))
20 return (result);
21 }
22 }
23
24 if (SSetjmp(gNetTimeoutJmp) != 0) {
25 alarm(0);
26 (void) SSignal(SIGALRM, (sio_sigproc_t) sigalrm);
27 (void) SSignal(SIGPIPE, (sio_sigproc_t) sigpipe);
28 errno = ETIMEDOUT;
29 return (kTimeoutErr);
30 }
31
32 sigalrm = (vsio_sigproc_t) SSignal(SIGALRM, SIOHandler);
33 sigpipe = (vsio_sigproc_t) SSignal(SIGPIPE, SIG_IGN);
34 alarm((unsigned int) tlen);
35
36 errno = 0;
37 do {
38 *ualen = (int) sizeof(struct sockaddr_un);
39 result = accept(sfd, (struct sockaddr *) addr, (int *) ualen);
40 } while ((result < 0) && (errno == EINTR));
41
42 alarm(0);
43 (void) SSignal(SIGALRM, (sio_sigproc_t) sigalrm);
44 (void) SSignal(SIGPIPE, (sio_sigproc_t) sigpipe);
45 return (result);
46 } /* UAcceptA */
47
48 #endif
49
50