针对你提出的问题“socket.cmsg_space not available on this platform”,我们可以从以下几个方面进行分析和解答: 理解错误信息: 错误信息“socket.cmsg_space not available on this platform”表明当前平台不支持socket.cmsg_space函数。 研究平台兼容性问题: socket.cmsg_space是Python标准库socket模块中的一个函数...
CMSG_SPACEis supposed to be a const function. It was, until PR#4105. Now, nix fails to build with the libc-0.2 branch. It fails for both x86_64-unknown-linux-gnu and x86_64-unknown-freebsd. I bisected the regression to verify that it really was#4105. Steps to reproduce: $ git c...
socket_cmsg_space(int $level, int $type, int $num = 0): ?int Calculates the size of the buffer that should be allocated for receiving the ancillary data. Warning This function is currently not documented; only its argument list is available. Parameters...
Note that at line 526 of sd-daemon.c the use of cmsg_space to set msghdr.msg_controllen instead of cmsg_len can cause the values of msghdr.msg_controllen and cmsg->cmsg_len to be different. evverxadded theneeds-reporter-feedback ❓There's an unanswered question, the reporter needs ...
CMSG_SPACE(n) self.assertGreaterEqual(ret, last) self.assertGreaterEqual(ret, socket.CMSG_LEN(n)) self.assertGreaterEqual(ret, n + socket.CMSG_LEN(0)) self.assertLessEqual(ret, self.socklen_t_limit) last = ret self.assertRaises(OverflowError, socket.CMSG_SPACE, -1) # sendmsg() shares...
socket_cmsg_space— Calculate message buffer size说明 ¶ socket_cmsg_space(int $level, int $type, int $num = 0): ?int Calculates the size of the buffer that should be allocated for receiving the ancillary data. 警告 本函数还未编写文档,仅有参数列表。参数...
socket_cmsg_space—Calculate message buffer size 说明¶ socket_cmsg_space(int$level,int$type,int$num= 0):?int Calculates the size of the buffer that should be allocated for receiving the ancillary data. 警告 本函数还未编写文档,仅有参数列表。