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authorUlrich Drepper <drepper@redhat.com>1999-08-07 03:01:02 +0000
committerUlrich Drepper <drepper@redhat.com>1999-08-07 03:01:02 +0000
commit3ac3f38099a11fcd348fe4ef8d4868f87a13e435 (patch)
tree3cd582c3553b41982986e0e9a2d17aba906ef8e2 /resolv
parentf79973fab37970cadd2994e497a475b1b27400a7 (diff)
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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.c22
1 files changed, 17 insertions, 5 deletions
diff --git a/resolv/res_send.c b/resolv/res_send.c
index 3691580..e315383 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 ||