Date: Thu, 29 Jul 2010 21:30:03 GMT From: Jilles Tjoelker <jilles@stack.nl> To: freebsd-threads@FreeBSD.org Subject: Re: threads/148515: Memory / syslog strangeness in FreeBSD 8.x ( possible leak/ threading issue ) Message-ID: <201007292130.o6TLU3Xi030068@freefall.freebsd.org>
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The following reply was made to PR threads/148515; it has been noted by GNATS. From: Jilles Tjoelker <jilles@stack.nl> To: bug-followup@FreeBSD.org, vikash.badal@is.co.za Cc: Subject: Re: threads/148515: Memory / syslog strangeness in FreeBSD 8.x ( possible leak/ threading issue ) Date: Thu, 29 Jul 2010 23:27:33 +0200 The difference could perhaps be explained by malloc(3) changes. 8.x's malloc tries to keep more memory per-thread, which reduces contention but increases memory usage. By the way, your program may behave erratically when it terminates or when pthread_create() fails because pthread_cancel() may be called on an uninitialized pthread_t, pthread functions are called on detached and terminated threads and the signal handler calls functions that are not async-signal-safe. -- Jilles Tjoelker
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