From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sog-mx-3.v43.ch3.sourceforge.com ([172.29.43.193] helo=mx.sourceforge.net) by sfs-ml-3.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1Sycnk-0003kT-71 for ltp-list@lists.sourceforge.net; Tue, 07 Aug 2012 05:57:56 +0000 Received: from [222.73.24.84] (helo=song.cn.fujitsu.com) by sog-mx-3.v43.ch3.sourceforge.com with esmtp (Exim 4.76) id 1Sycni-0005Ku-Ky for ltp-list@lists.sourceforge.net; Tue, 07 Aug 2012 05:57:56 +0000 Received: from fnstmail02.fnst.cn.fujitsu.com (tang.cn.fujitsu.com [127.0.0.1]) by tang.cn.fujitsu.com (8.14.3/8.13.1) with ESMTP id q775jvkp023339 for ; Tue, 7 Aug 2012 13:45:59 +0800 Message-ID: <5020AB68.7030502@cn.fujitsu.com> Date: Tue, 07 Aug 2012 13:45:12 +0800 From: DAN LI MIME-Version: 1.0 References: <501A3EA1.4010902@cn.fujitsu.com> <501F8DA0.6030104@cn.fujitsu.com> <50207F19.5080105@cn.fujitsu.com> <50208562.3030401@cn.fujitsu.com> In-Reply-To: <50208562.3030401@cn.fujitsu.com> Subject: [LTP] [PATCH v3] pthread_cond_brodcast/1-2.c hung when mem left is not enough List-Id: Linux Test Project General Discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-list-bounces@lists.sourceforge.net To: gaowanlong@cn.fujitsu.com Cc: LTP list Signed-off-by: DAN LI --- .../interfaces/pthread_cond_broadcast/1-2.c | 47 ++++++++++++++++++-- 1 files changed, 43 insertions(+), 4 deletions(-) diff --git a/testcases/open_posix_testsuite/conformance/interfaces/pthread_cond_broadcast/1-2.c b/testcases/open_posix_testsuite/conformance/interfaces/pthread_cond_broadcast/1-2.c index f6ad9df..69243ea 100644 --- a/testcases/open_posix_testsuite/conformance/interfaces/pthread_cond_broadcast/1-2.c +++ b/testcases/open_posix_testsuite/conformance/interfaces/pthread_cond_broadcast/1-2.c @@ -48,6 +48,7 @@ #include #include #include +#include #include "../testfrmw/testfrmw.h" #include "../testfrmw/testfrmw.c" @@ -82,8 +83,8 @@ #endif /* Do not create more than this amount of children: */ -#define MAX_PROCESS_CHILDREN (200) -#define MAX_THREAD_CHILDREN (1000) +static int max_process_children = 200; +static int max_thread_children = 1000; #define TIMEOUT (180) @@ -243,6 +244,42 @@ void *timer(void *arg) return NULL; /* For compiler */ } +#ifdef __linux__ +static void decide_process_children_count(void) +{ + struct sysinfo sysinforma; + int ret; + int avail_count; + unsigned long memper; + unsigned long min_stack; + + min_stack = sysconf(_SC_THREAD_STACK_MIN); + + ret = sysinfo(&sysinforma); + if (ret != 0) + UNRESOLVED(ret, "Failed to get system infomation."); + + memper = min_stack * max_thread_children; + if (memper > sysinforma.freeram) + UNTESTED("Free ram not enough for test."); + + avail_count = sysinforma.freeram / memper; + + if (avail_count < 10) + UNTESTED("Free ram not enough for test."); + + max_process_children = (avail_count < max_process_children ? + avail_count : max_process_children); + + return; +} +#else +static void decide_process_children_count(void) +{ + return; +} +#endif + int main(int argc, char *argv[]) { int ret; @@ -268,6 +305,8 @@ int main(int argc, char *argv[]) output_init(); + decide_process_children_count(); + /* check the system abilities */ pshared = sysconf(_SC_THREAD_PROCESS_SHARED); cs = sysconf(_SC_CLOCK_SELECTION); @@ -476,7 +515,7 @@ int main(int argc, char *argv[]) } else { ret = errno; } - } while ((ret == 0) && (child_count < MAX_THREAD_CHILDREN)); + } while ((ret == 0) && (child_count < max_thread_children)); #if VERBOSE > 2 output("[parent] Created %i children threads\n", child_count); #endif @@ -504,7 +543,7 @@ int main(int argc, char *argv[]) } else { ret = errno; } - } while ((ret == 0) && (child_count < MAX_PROCESS_CHILDREN)); + } while ((ret == 0) && (child_count < max_process_children)); #if VERBOSE > 2 output("[parent] Created %i children processes\n", child_count); #endif -- 1.7.7.6 ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Ltp-list mailing list Ltp-list@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ltp-list