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| author | Ulrich Drepper <drepper@redhat.com> | 1999-08-07 03:01:02 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 1999-08-07 03:01:02 +0000 |
| commit | 3ac3f38099a11fcd348fe4ef8d4868f87a13e435 (patch) | |
| tree | 3cd582c3553b41982986e0e9a2d17aba906ef8e2 /resolv | |
| parent | f79973fab37970cadd2994e497a475b1b27400a7 (diff) | |
| download | glibc-3ac3f38099a11fcd348fe4ef8d4868f87a13e435.tar.gz glibc-3ac3f38099a11fcd348fe4ef8d4868f87a13e435.tar.xz glibc-3ac3f38099a11fcd348fe4ef8d4868f87a13e435.zip | |
Update.
* resolv/res_send.c (res_send): Recompute timeout for poll for each jump to `wait'.
Diffstat (limited to 'resolv')
| -rw-r--r-- | resolv/res_send.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/resolv/res_send.c b/resolv/res_send.c index 36915808e1..e315383fa7 100644 --- a/resolv/res_send.c +++ b/resolv/res_send.c @@ -521,6 +521,8 @@ read_len: struct pollfd pfd[1]; struct sockaddr_in from; socklen_t fromlen; + time_t curtime; + time_t endtime; if ((s < 0) || vc) { if (vc) @@ -617,12 +619,17 @@ read_len: /* * Wait for reply */ - timeout = (_res.retrans << try) * 1000; + curtime = time (NULL); if (try > 0) - timeout /= _res.nscount; - if (timeout <= 0) - timeout = 1000; + endtime = (_res.retrans << try) / _res.nscount; + else { + endtime = _res.retrans; + if (endtime <= 0) + endtime = 1; + } + endtime += curtime; wait: + timeout = MAX (endtime - curtime, 0) * 1000; #if 0 if (s < 0 || s >= FD_SETSIZE) { Perror(stderr, "s out-of-bounds", EMFILE); @@ -634,8 +641,10 @@ read_len: pfd[0].events = POLLIN; n = __poll(pfd, 1, timeout); if (n < 0) { - if (errno == EINTR) + if (errno == EINTR) { + curtime = time (NULL); goto wait; + } Perror(stderr, "poll", errno); res_close_internal(); goto next_ns; @@ -682,6 +691,7 @@ read_len: (_res.pfcode & RES_PRF_REPLY), (stdout, ";; old answer:\n"), ans, (resplen>anssiz)?anssiz:resplen); + curtime = time (NULL); goto wait; } #if CHECK_SRVR_ADDR @@ -696,6 +706,7 @@ read_len: (_res.pfcode & RES_PRF_REPLY), (stdout, ";; not our server:\n"), ans, (resplen>anssiz)?anssiz:resplen); + curtime = time (NULL); goto wait; } #endif @@ -711,6 +722,7 @@ read_len: (_res.pfcode & RES_PRF_REPLY), (stdout, ";; wrong query name:\n"), ans, (resplen>anssiz)?anssiz:resplen); + curtime = time (NULL); goto wait; } if (anhp->rcode == SERVFAIL || |