Hello, pipe()/pipe2() may fail with ENOMEM error during creation in pipe_create() -> pipespace(), but it is not mentioned in the pipe(2) man page.
The below diff fixes this. Index: pipe.2 =================================================================== RCS file: /cvs/src/lib/libc/sys/pipe.2,v retrieving revision 1.18 diff -u -p -r1.18 pipe.2 --- pipe.2 10 Dec 2014 19:30:22 -0000 1.18 +++ pipe.2 18 Dec 2017 09:32:32 -0000 @@ -106,6 +106,8 @@ The system file table is full. The .Fa fildes buffer is in an invalid area of the process's address space. +.It Bq Er ENOMEM +Not enough memory to establish a pipe. .El .Pp In addition,
