...Standard D-Bus error names sd_bus_error_free (3) — sd-bus error handling sd_bus_error_get_errno (3) — sd-bus error handling sd_bus_error_has_name (3) — sd-bus error handling sd_…...error - detecting errors from mathematical functions SYNOPSIS #include <math.h> #include <errno.h> #include <fenv.h> DESCRIPTION When an error occurs, most library functions ind…...n open mbox file is: read (2) If count is smaller than four, read (2) returns -1 and sets errno to EINVAL . If there is no data available in the mailbox (i.e., the SPU has not s…...chronous cancelation had occurred and may cause application state to become inconsistent. errno Fetching and setting the value of errno is async-signal-safe provided that the si…...ing null character in the destination string, on success. On error, NULL is returned, and errno is set to indicate the error. mempcpy (3) stpncpy (3) A pointer to one after the …monitoring filesystem events NAME fanotify - monitoring filesystem events DESCRIPTION The fanotify API provides notification and interception of filesystem events. Use cases includ…...r's inode number, and name of all UNIX domain sockets in the current namespace. #include <errno.h> #include <stdio.h> #include <string.h> #include <unistd.h> #include <sys/socke…monitoring filesystem events NAME inotify - monitoring filesystem events DESCRIPTION The inotify API provides a mechanism for monitoring filesystem events. Inotify can be used to m…...cluding: • thread ID (the pthread_t data type) • signal mask ( pthread_sigmask (3)) • the errno variable • alternate signal stack ( sigaltstack (2)) • real-time scheduling polic…overview of Linux user namespaces NAME user_namespaces - overview of Linux user namespaces DESCRIPTION For an overview of namespaces, see namespaces (7). User namespaces isolate se…...then write (2) succeeds immediately, writing all n bytes; otherwise write (2) fails, with errno set to EAGAIN . O_NONBLOCK disabled, n > PIPE_BUF The write is nonatomic: the dat…...s message, if known. Contains the source filename, the line number and the function name. ERRNO= The low-level Unix error number causing this entry, if any. Contains the numeric…...environment variable governs the default limit of retry attempts. If a query failed with errno other than ENOENT, will initiate several attempts within the limit. $DEBUGINFOD_TI…Linux IPv4 protocol implementation NAME ip - Linux IPv4 protocol implementation SYNOPSIS #include <sys/socket.h> #include <netinet/in.h> #include <netinet/ip.h> /* superset of prev…...RORS For Section 2 and 3 manual pages, this is a list of the values that may be placed in errno in the event of an error, along with information about the cause of the errors. W…...e #include <fcntl.h> #include <stdlib.h> #include <unistd.h> #include <stdio.h> #include <errno.h> #include <aio.h> #include <signal.h> #define BUF_SIZE 20 /* Size of buffers fo…confine processes to processor and memory node subsets NAME cpuset - confine processes to processor and memory node subsets DESCRIPTION The cpuset filesystem is a pseudo-filesystem…...message, and get extra error data if requested. struct nlmsgerr { int error; /* Negative errno or 0 for acknowledgements */ struct nlmsghdr msg; /* Message header that caused th…...f no data has been transferred and the timeout has been reached, then -1 is returned with errno set to EAGAIN or EWOULDBLOCK , or EINPROGRESS (for connect (2)) just as if the so…..., 7, 8, and 9 printf/stderr messages only. .\" .Sh ERRORS .\" For sections 2, 3, 4, and 9 errno settings only. .\" .Sh SEE ALSO .\" .Xr foobar 1 .\" .Sh STANDARDS .\" .Sh HISTOR…