man pages section 3: Basic Library Functions Document Information Using This Documentation Basic Library Functions __fbufsize(3C) __flbf(3C) __fpending(3C) __fpurge(3C) __freadable(3C) __freading(3C) __fsetlocking(3C) __fwritable(3C) __fwriting(3C) _edata(3C) _end(3C) _etext(...
最近项目一直到Docker环境部署,之前一直正常运行的程序突然出现 msgrcv函数 返回 errorno 13 'permission denied 的 错误,且一直频繁打印该错误,尝试了各种方法和阅读man手册后,找到了改问题的解决办法,主要就是需要在 msgget函数中 设置一下权限,附demo源码,在docker运行正常(demo可以直接运行) msgget函数的flag设置为...
path Points to a path upon which part of the key is formed. id Is the character upon which part of the key is formed. RETURN VALUES If successful,ftok()returns a unique key. On failure, it returns -1 and setserrnoto one of the following values: ...
【3】http://linux.die.net/man/3/system
需要注意的是,ftok 并不保证 key 一定是唯一的,通常来说,只要不同的 ftok 使用不同的 pathname 和 proj_id,返回的 key 值都不相同(除非你的运气极佳:)。另外 man 手册中说明 proj_id 必须为非 0 值,否则其行为是未定义的。 ipc 内核对象的 key 值约定 ...
http://www.freebsd.org/cgi/man.cgi?query=ftok http://www.asciitable.com up down 2 seelts at gmail dot com¶ 10 years ago abk@avatartechnology.com has copied the code of daniele_dll@yahoo.it But it is not correct. The right version is here: ...
I configure uWSGI to run as root with dropped privileges because I want to control it with rcctl and delegate the relevant sources through login.conf. According to this issue safe-pidfile2 is suggested as a better alternative to pidfile2...
AIX、Solaris、HP-UX均明确指出,key文件被删除并重建后,不保证通过ftok得到的键值不变,比如AIX上ftok的man帮助信息即声明: Attention: If the Path parameter of the ftok subroutine names a file that has been removed while keys still refer to it, the ftok subroutine returns an error. If that file is...
“我之前曾经说过曾与一位河南人有过‘擦肩而过’的缘分,这个人就是李延亮。”第一次在屏幕前回忆感情往事,与初恋同台“回应”感情事,韩红显得大方得体。 韩红说,两人曾经一起当兵,15、16岁正是情窦初开的时候,李延亮让自己第一次对爱情心动,“但真的那时候什么都不懂,很多感情就这样擦肩而过,虽然惋惜但现在...
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