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| author | Eric S. Raymond <esr@thyrsus.com> | 1998-12-31 05:46:52 +0000 |
|---|---|---|
| committer | Eric S. Raymond <esr@thyrsus.com> | 1998-12-31 05:46:52 +0000 |
| commit | c1ca94d8095ca6dace7585b9822bef0ace216e43 (patch) | |
| tree | 6f1f9b93556bea962127097c44e4d40a11365209 /driver.c | |
| parent | 3c799b35db0cc8cc0a31a3a74426a5bf1390662e (diff) | |
| download | fetchmail-c1ca94d8095ca6dace7585b9822bef0ace216e43.tar.gz fetchmail-c1ca94d8095ca6dace7585b9822bef0ace216e43.tar.bz2 fetchmail-c1ca94d8095ca6dace7585b9822bef0ace216e43.zip | |
Maybe this fixes Ron Gomes's hang bug?
svn path=/trunk/; revision=2303
Diffstat (limited to 'driver.c')
| -rw-r--r-- | driver.c | 16 |
1 files changed, 16 insertions, 0 deletions
@@ -1402,6 +1402,22 @@ const struct method *proto; /* protocol method table */ if ((js = setjmp(restart)) == 1) { +#ifdef HAVE_SIGPROCMASK + /* + * Don't rely on setjmp() to restore the blocked-signal mask. + * It does this under BSD but is required not to under POSIX. + * + * If your Unix doesn't have sigprocmask, better hope it has + * BSD-like behavior. Otherwise you may see fetchmail get + * permanently wedged after a second timeout on a bad read, + * because alarm signals were blocked after the first. + */ + sigset_t allsigs; + + sigfillset(&allsigs); + sigprocmask(SIG_UNBLOCK, &allsigs, NULL); +#endif /* HAVE_SIGPROCMASK */ + if (phase == OPEN_WAIT) error(0, 0, _("timeout after %d seconds waiting to connect to server %s."), |