project-base/server-skynet-source-3rd-jemalloc
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Avoid a potential innocuous compiler warning.

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Add a cast to avoid comparing a ssize_t value to a uint64_t value that
is always larger than a 32-bit ssize_t.  This silences an innocuous
compiler warning from e.g. gcc 4.2.1 about the comparison always having
the same result.
This commit is contained in:
Jason Evans 2016-03-02 22:41:32 -08:00
parent 33184bf698
commit 022f6891fa
2 changed files with 6 additions and 2 deletions
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2
include/jemalloc/internal/nstime.h
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@ -7,7 +7,7 @@
typedef struct nstime_s nstime_t; typedef struct nstime_s nstime_t;
/* Maximum supported number of seconds (~584 years). */ /* Maximum supported number of seconds (~584 years). */
#define NSTIME_SEC_MAX 18446744072 #define NSTIME_SEC_MAX KQU(18446744072)
#endif /* JEMALLOC_H_TYPES */ #endif /* JEMALLOC_H_TYPES */
/******************************************************************************/ /******************************************************************************/

6
src/arena.c
View File

@ -1352,7 +1352,11 @@ static bool
arena_decay_time_valid(ssize_t decay_time) arena_decay_time_valid(ssize_t decay_time)
{ {
return (decay_time >= -1 && decay_time <= NSTIME_SEC_MAX); if (decay_time < -1)
return (false);
if (decay_time == -1 || (uint64_t)decay_time <= NSTIME_SEC_MAX)
return (true);
return (false);
} }
ssize_t ssize_t