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@ -379,6 +379,24 @@ out:
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static void childsighandler(int sig); |
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static int get_proc_pid(proc_instance_t *pi) |
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{ |
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int ret, pid = 0; |
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char path[256]; |
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FILE *fp; |
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sprintf(path, "%s%s.pid", pi->ckp->socket_dir, pi->processname); |
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fp = fopen(path, "r"); |
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if (!fp) |
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goto out; |
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ret = fscanf(fp, "%d", &pid); |
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if (ret < 1) |
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pid = 0; |
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fclose(fp); |
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out: |
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return pid; |
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} |
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/* Send a single message to a process instance when there will be no response,
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* closing the socket immediately. */ |
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bool _send_proc(proc_instance_t *pi, const char *msg, const char *file, const char *func, const int line) |
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@ -395,6 +413,10 @@ bool _send_proc(proc_instance_t *pi, const char *msg, const char *file, const ch
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LOGERR("Attempted to send null message to socket %s in send_proc", path); |
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goto out; |
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} |
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/* At startup the pid fields are not set up before some processes are
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* forked so they never inherit them. */ |
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if (unlikely(!pi->pid)) |
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pi->pid = get_proc_pid(pi); |
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if (unlikely(kill_pid(pi->pid, 0))) { |
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LOGALERT("Attempting to send message %s to non existent process %s", msg, pi->processname); |
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goto out; |
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@ -410,8 +432,10 @@ bool _send_proc(proc_instance_t *pi, const char *msg, const char *file, const ch
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ret = true; |
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close(sockd); |
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out: |
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if (unlikely(!ret)) |
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if (unlikely(!ret)) { |
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LOGERR("Failure in send_proc from %s %s:%d", file, func, line); |
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childsighandler(15); |
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} |
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return ret; |
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} |
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