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Thu, 11 Feb 2021 10:23:03 -0500 To: The Cygwin Mailing List From: Patrick Chkoreff Subject: setrlimit always fails Autocrypt: addr=pc@fexl.com; keydata= mQINBFVTu9wBEAD3HrqNmAU5TPesso2t7QG+bq/Y9Brz0X/9JIqPHT4eSiRCQmm228QFJfm8 eRo4yw0gG/Jb535P8MrFfkRconzW6ttsftlQkzzjskpvyUCcJ6ReRNFBzPKRSSEIm9keqG0v JQ28ffa0dvH7DIWZpdVveaHtwH/Jy5wrmErpcXjAOWAus9KjRtiISWOllHV5CiA3QhgRrTeb htQLkDDvnPYF4q20lbX1tiyLKHJmZ+Xq/F3feokTdKwvyfI/jPkPGpfHUWzS1ELmzDweaaeN RBuAEo5+EmBf7sCXMAL4Jq11n+qdwFmxbC6xR4gROf6QbkAlZKmQhXptUz8dbP4VJKACwVNK Y9OraoMiDpiM4X+fpAogpvSNdP9nX2NNfvmzkaeIB8aSo4Y4v5zdtqgh4xEFbdzWqT95cwKK Ux0cOvgMv/fFQ+fJ8ZEOL+68n3W8/qMvxlK7M/xc0w3TFwZh/yza+IBRBGISpmLHhkxn9YE5 IX70YJ24L+kQJeU85F8FvLsirdWyYBOc0VTQAO++z2vlAhOVmi2Q9a7WAqzsaSTh+osFaAwh v+d45nCMDzcjoDTbB38iOjvadiVHAsczEQzIJJ+OumlcTp53Eq+d3TrqOl2qXzDTS92HLkCx imm9unqT9RAdahKHVlrxADAt6hu1i4WRRyO8ET28awkmDM1NkwARAQABtB5QYXRyaWNrIENo a29yZWZmIDxwY0BmZXhsLmNvbT6JAlQEEwEIAD4CGyMCHgECF4AFCwkIBwIGFQoJCAsCBBYC AwEWIQQeDd1/3D5kR1S/oFWP2GKBpqlWbQUCXroEywUJDwnjbwAKCRCP2GKBpqlWbQhxD/wO FXT7CKU8jBUUruUUtvevcCzgP/byMgg0zw+pK27HA6iBQCOEkrRBMy3gtxnpIOkTxOSWGFlj W3XAYEsjA6HWC/omaSJkKZnJI9OpPa4Ciyg+5iZVdQPe0It5DOjhjhcDWVvtNPAlbzkR8KH5 4vt10E6ZiyTsId7R7EgRK+LSTBG0r/VJMYHTXXlzXaIqww8Quww4EYqWyIk3CX3TTHI1bTtg l1ecT2mr1JC9CgT9eDPUohe6TreIDuKeomVXjA3HwxMvaPx0H9f/aI+3UtsBRsDOcXwkcMA0 T1zR6j238Q1OQx0t6nJRZvD74ssXOFe8Y4IjEbb4fU+8mV3h0cI7X1BETltGQg3XV7ndPRSF bllHRVy7snUCk/7bADEtoix0WxZJV6ezD/piuM8k3JBFjnqSvPxeAktMfDItTWjmL8jVvYFU zcRmhmxwDcvBIgPYbtMANiQqhd7Owrxh/JgedfpTUoi6BeVmAFlniMjtCMQN0ezLww9SLdEL BE9gEgSCWFLZ6Mcs3De5r8sbpoXlzLQqYzDuwg2pBz+SWvsriML8Cw8vKwAerCi0JQLu+1/o 8tZlxXzMTJnNU0l7UBvZ6mPP7RRzDcmf5vyAcWT5Qo66MtK4bcy/sV+HnltZjZDiaL9kh9zR CmdoLnORINKf3FpdQ1lfxPC104V0lauNirkCDQRVU7vcARAAsS+QebLIhMQbN/OGoE4qjvU6 EAwQRGVH6R3ovk8Iyz+F/Xq9Q1D4eHmB70cBSbkXmny/dTAyZccw5y5hNCWlYpE7To343ueQ OyqZ4zIb/uZwFIB22izyHjm3ObcPRcas/YIe+REjZECc4cYFSc8/iEMMMki3r0jJ6lqrayS4 nKZEuHPIwe6v5o4lWqCwdor8LpQySbg/bm+3/5Af1D4bfZ+H/uv4bTKmHsTg3bxDpK47ap6H 4C0qAyZzC/k6Cqp5TAHxaPX79FUPILgVV5UL2UeOB10yAazMDxbwJbDl8xVlKLob6hpnMGQY iWWUWNi2phwnk++MPbgzmVrqV1z9qRdQZKdQM14h6B/SmGvg/7AlNCkj0+PmXHLmpseeszcX IbLHQNXycf11cOc+v3brEWMzhzwXQOOHxUCk0ZRLLbLFuYZW1NeJAoeBlDNif63Mk5pvYfaK nEFwc2Zizdu/JJyyugIFqhg8rFmc2zrMHq8/stAQ3jjTDMgjPuHzjm11c0IW8Usduk/EHpeH 0mpHGFBskq5/ZktriLtAxFHy6MSUSyUSnzoFIwp3pOfafy/V3Pt5clktKVMTa0XgmRldnxe0 JnbydPqfkVHiqJJS6esMWob4lvoWGewNG9wbZfPKbvBWj157gLVIa0nrm0DEFhxLKRear+aq usmkvoQVNqMAEQEAAYkCPAQYAQgAJgIbDBYhBB4N3X/cPmRHVL+gVY/YYoGmqVZtBQJeugTn BQkPCeOLAAoJEI/YYoGmqVZtABsP/25z6bTxB5szwFOqdkSTpGlVeCqHxInsH60BeliBzr1p qAX6urpdMwNzCpRa9DroU7wwtOJ2z7FtCCdoDtnCaWRLqw2lqsZp7KeGOrCCHbSbpr/KXj2s wrN5AH69tSUN6yQlL3NdaD4go3VbjVNY2fFZkzi+ohlrVqaBZGPv/YaZhVnW29Z+bss2Emsp 3+x49RmOSXvSRHE4CsBbayIRIPwt4WvtbEzwquHn8Z3e7/4yBO43phaVkgP3YBR9Pv5dEYgr teBB0XtJ6DO08vmtMjvziXS6lcdj0cS+znoyyN8DLT8Na4LcEWeQaM6kZG3QoO4ZA17KPq1V hE2QPKNmfGcsTSZnz+I/RLyel0A75JzbcTXRKAnKGppZL5Mapgmk9MWyHdV+/LFDpvoNUkN4 mBpJ7CSeR59pJ8u7v8bHPnBR1w0TYySONrpN/46JdZj4IuKP9h+6K3j0dKFycKobhCT0Mdel 9Xj7W/jmScEA9+Vbg7quRy5ay5nRWh18STdLp1AHwyZZ+5XscdCHgtqu/jYecPxjB37ILfl7 mcDR+8yj4yHZEyFW+n8ai3+Lijea+KdjE0/7nWwYIJNs9TWwL2cOPURznPHdFWTg5qFUIils L55yRVFSzndW7wiYONMHRIWTF5kGLDeMTP357EDVsKRxAg0G2w2fQVKC5HD9L8N3 Message-ID: Date: Thu, 11 Feb 2021 10:23:02 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Vade-Verditct: clean X-Vade-Analysis: gggruggvucftvghtrhhoucdtuddrgeduledrheelgdejgecutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfujgfpteevqfftpdghkffpfffuvfftgfetofdpqfgfvfenuceurghilhhouhhtmecufedtudenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujfgurhepvffhuffkffgfgggtgfesthejredttdefjeenucfhrhhomheprfgrthhrihgtkhcuvehhkhhorhgvfhhfuceophgtsehfvgiglhdrtghomheqnecuggftrfgrthhtvghrnhepfedvtddtvdetkeetuedtueetffevgeeitddtuddugfehhffhgeekgfetgeevgeehnecukfhppeegtddrudefkedrudejfedrkeegnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehinhgvthepgedtrddufeekrddujeefrdekgeenpdhmrghilhhfrhhomhepphgtsehfvgiglhdrtghomhenpdhrtghpthhtoheptgihghifihhnsegthihgfihinhdrtghomhen X-Spam-Status: No, score=-1.0 required=5.0 tests=BAYES_00, KAM_DMARC_STATUS, KAM_LAZY_DOMAIN_SECURITY, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2, SPF_HELO_NONE, SPF_NONE, TXREP autolearn=no autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: cygwin@cygwin.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: General Cygwin discussions and problem reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 11 Feb 2021 15:23:04 -0000 I'm trying to use setrlimit to impose limits on various resources such as CPU time and memory. The call to setrlimit always fails. I've distilled this into the following example test.c: #include #include #include int main(void) { struct rlimit rlim; rlim.rlim_cur = 1; rlim.rlim_max = 1; if (setrlimit(RLIMIT_CPU,&rlim) < 0) { perror("setrlimit"); exit(1); } printf("HEY\n"); while (1) { } printf("BYE\n"); return 0; } $ gcc test.c $ ./a.exe setrlimit: Invalid argument I have found that the only way to make the setrlimit call succeed is to use RLIM_INFINITY: rlim.rlim_cur = RLIM_INFINITY; rlim.rlim_max = RLIM_INFINITY; But then of course it does not achieve the desired result of timing out after 1 second. Any ideas? -- Patrick