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Avoid pthread_sigmask on Win32 platforms

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Win32 doesn't have a concept of signal masks so disable that
code. It is unclear how SIGINT is delivered (if at all) on
Win32, so this might further work to provide an alternative
to pthread_sigmask

* tools/virsh.c: Avoid pthread_sigmask on Win32
This commit is contained in:
Daniel P. Berrange 2011-02-10 12:46:29 +00:00
parent eacb3bb02a
commit 100f4a63a2
1 changed files with 15 additions and 5 deletions
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20
tools/virsh.c
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@ -3489,15 +3489,17 @@ doMigrate (void *opaque)
const char *migrateuri;
const char *dname;
int flags = 0, found;
sigset_t sigmask, oldsigmask;
vshCtrlData *data = opaque;
vshControl *ctl = data->ctl;
const vshCmd *cmd = data->cmd;
#if HAVE_PTHREAD_SIGMASK
sigset_t sigmask, oldsigmask;
sigemptyset(&sigmask);
sigaddset(&sigmask, SIGINT);
if (pthread_sigmask(SIG_BLOCK, &sigmask, &oldsigmask) < 0)
goto out_sig;
#endif
if (!vshConnectionUsability (ctl, ctl->conn))
goto out;
@ -3563,8 +3565,10 @@ doMigrate (void *opaque)
}
out:
#if HAVE_PTHREAD_SIGMASK
pthread_sigmask(SIG_SETMASK, &oldsigmask, NULL);
out_sig:
#endif
if (dom) virDomainFree (dom);
ignore_value(safewrite(data->writefd, &ret, sizeof(ret)));
}
@ -3607,12 +3611,16 @@ cmdMigrate (vshControl *ctl, const vshCmd *cmd)
struct sigaction old_sig_action;
virDomainJobInfo jobinfo;
bool verbose = false;
sigset_t sigmask, oldsigmask;
int timeout;
struct timeval start, curr;
bool live_flag = false;
vshCtrlData data;
#if HAVE_PTHREAD_SIGMASK
sigset_t sigmask, oldsigmask;
sigemptyset(&sigmask);
sigaddset(&sigmask, SIGINT);
#endif
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
return FALSE;
@ -3665,8 +3673,6 @@ cmdMigrate (vshControl *ctl, const vshCmd *cmd)
pollfd.fd = p[0];
pollfd.events = POLLIN;
pollfd.revents = 0;
sigemptyset(&sigmask);
sigaddset(&sigmask, SIGINT);
GETTIMEOFDAY(&start);
while (1) {
@ -3709,9 +3715,13 @@ repoll:
}
if (verbose) {
#if HAVE_PTHREAD_SIGMASK
pthread_sigmask(SIG_BLOCK, &sigmask, &oldsigmask);
#endif
ret = virDomainGetJobInfo(dom, &jobinfo);
#if HAVE_PTHREAD_SIGMASK
pthread_sigmask(SIG_SETMASK, &oldsigmask, NULL);
#endif
if (ret == 0)
print_job_progress(jobinfo.dataRemaining, jobinfo.dataTotal);
}