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log: Add pr_quelled helper

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If we need to check if current loglevel will suppress
our messagess (say you need to run pr_debug in a cycle)
we can use this helper to eliminate unneded calls.

Like
  if (!pr_quelled(LOG_DEBUG)) {
    ... do something specific to LOG_DEBUG ...
  }

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
This commit is contained in:
Cyrill Gorcunov
2014-09-02 23:27:19 +04:00
committed by Pavel Emelyanov
parent c40eff85dc
commit d039868f99
1 changed files with 5 additions and 0 deletions
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5
include/log.h
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@@ -27,4 +27,9 @@ extern int write_pidfile(int pid);
extern void print_data(unsigned long addr, unsigned char *data, size_t size);
extern void print_image_data(int fd, unsigned int length, int show);
static inline int pr_quelled(unsigned int loglevel)
{
return log_get_loglevel() < loglevel && loglevel != LOG_MSG;
}
#endif /* __CR_LOG_H__ */