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Bug 719427. Add a comment about malloc_logger. r=espindola

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This commit is contained in:
Jeff Muizelaar 2012-03-27 13:48:58 -04:00
parent b961a879fa
commit 26f4612385
1 changed files with 3 additions and 0 deletions
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3
xpcom/base/nsStackWalk.cpp
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@ -151,6 +151,7 @@ StackWalkInitCriticalAddress()
// we force a situation where new_sem_from_pool is on the stack and
// use dladdr to check the addresses.
// malloc_logger can be set by external tools like 'Instruments' or 'leaks'
malloc_logger_t *old_malloc_logger = malloc_logger;
malloc_logger = my_malloc_logger;
@ -164,6 +165,8 @@ StackWalkInitCriticalAddress()
MOZ_ASSERT(r == 0);
struct timespec abstime = {0, 1};
r = pthread_cond_timedwait_relative_np(&cond, &mutex, &abstime);
// restore the previous malloc logger
malloc_logger = old_malloc_logger;
// On Lion, malloc is no longer called from pthread_cond_*wait*. This prevents