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Log anything that could prevent a daemon from starting.

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If a daemon doesn't start, we need to know why.  Being able to
consistently consult the log to find out is helpful.
This commit is contained in:
Ben Pfaff
2011-03-31 16:23:50 -07:00
parent fcaddd4dd1
commit 279c9e0308
20 changed files with 171 additions and 105 deletions
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25
lib/timeval.c
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@@ -26,6 +26,7 @@
#include <unistd.h>
#include "coverage.h"
#include "fatal-signal.h"
#include "signals.h"
#include "util.h"
#include "vlog.h"
@@ -96,9 +97,7 @@ set_up_signal(int flags)
sa.sa_handler = sigalrm_handler;
sigemptyset(&sa.sa_mask);
sa.sa_flags = flags;
if (sigaction(SIGALRM, &sa, NULL)) {
ovs_fatal(errno, "sigaction(SIGALRM) failed");
}
xsigaction(SIGALRM, &sa, NULL);
}
/* Remove SA_RESTART from the flags for SIGALRM, so that any system call that
@@ -137,7 +136,7 @@ set_up_timer(void)
struct itimerspec itimer;
if (timer_create(monotonic_clock, NULL, &timer_id)) {
ovs_fatal(errno, "timer_create failed");
VLOG_FATAL("timer_create failed (%s)", strerror(errno));
}
itimer.it_interval.tv_sec = 0;
@@ -145,7 +144,7 @@ set_up_timer(void)
itimer.it_value = itimer.it_interval;
if (timer_settime(timer_id, 0, &itimer, NULL)) {
ovs_fatal(errno, "timer_settime failed");
VLOG_FATAL("timer_settime failed (%s)", strerror(errno));
}
}
@@ -364,17 +363,13 @@ block_sigalrm(sigset_t *oldsigs)
sigset_t sigalrm;
sigemptyset(&sigalrm);
sigaddset(&sigalrm, SIGALRM);
if (sigprocmask(SIG_BLOCK, &sigalrm, oldsigs)) {
ovs_fatal(errno, "sigprocmask");
}
xsigprocmask(SIG_BLOCK, &sigalrm, oldsigs);
}
static void
unblock_sigalrm(const sigset_t *oldsigs)
{
if (sigprocmask(SIG_SETMASK, oldsigs, NULL)) {
ovs_fatal(errno, "sigprocmask");
}
xsigprocmask(SIG_SETMASK, oldsigs, NULL);
}
long long int
@@ -389,6 +384,14 @@ timeval_to_msec(const struct timeval *tv)
return (long long int) tv->tv_sec * 1000 + tv->tv_usec / 1000;
}
void
xgettimeofday(struct timeval *tv)
{
if (gettimeofday(tv, NULL) == -1) {
VLOG_FATAL("gettimeofday failed (%s)", strerror(errno));
}
}
static long long int
timeval_diff_msec(const struct timeval *a, const struct timeval *b)
{