Hi Alex,
On 9/25/20 10:03 AM, Alejandro Colomar wrote:
> The contents of each type are a logic block that is indented as a block.
> They are not separate paragraphs that happen to be indented separately,
> but a set of continuous paragraphs, all in the same level,
> indented as a block from the list entry--the name of the type--.
> Therefore, it makes more sense to use block indentation, represented by
> .RS/.RE, rather than indenting each paragraph separately.
> That way it's also easier to further indent a separate paragraph inside
> a block, which happens for example in the case of float_t & double_t.
> It's simply much easier now to use .IP specifically in those cases where
> you want to indent just a single paragraph.
>
> Also added an ending separator comment line just after the last type.
>
> Signed-off-by: Alejandro Colomar <colomar.6.4.3@xxxxxxxxx>
Just to confirm: I think I'm supposed to waiting on a revised
version of this patch, right? (This version of the patch doesn't
apply in my tree.)
Thanks,
Michael
> ---
>
> Hi Michael,
>
> Please, apply after float_t patches.
>
> Thanks,
>
> Alex
>
> man7/system_data_types.7 | 331 +++++++++++++++++++++++----------------
> 1 file changed, 192 insertions(+), 139 deletions(-)
>
> diff --git a/man7/system_data_types.7 b/man7/system_data_types.7
> index caca5bb3c..e07ddb468 100644
> --- a/man7/system_data_types.7
> +++ b/man7/system_data_types.7
> @@ -65,10 +65,11 @@ system_data_types \- overview of system data types
> .\"------------------------------------- aiocb ------------------------/
> .TP
> .I aiocb
> -.IP
> +.RS
> +.PP
> Include:
> .IR <aio.h> .
> -.IP
> +.PP
> .EX
> struct aiocb {
> int aio_fildes; /* File descriptor */
> @@ -80,12 +81,12 @@ struct aiocb {
> int aio_lio_opcode;/* Operation to be performed */
> };
> .EE
> -.IP
> +.PP
> For further information about this structure, see
> .BR aio (7).
> -.IP
> +.PP
> Conforming to: POSIX.1-2001 and later.
> -.IP
> +.PP
> See also:
> .BR aio_cancel (3),
> .BR aio_error (3),
> @@ -95,40 +96,43 @@ See also:
> .BR aio_suspend (3),
> .BR aio_write (3),
> .BR lio_listio (3)
> +.RE
> .\"------------------------------------- div_t ------------------------/
> .TP
> .I div_t
> -.IP
> +.RS
> +.PP
> Include:
> .IR <stdlib.h> .
> -.IP
> +.PP
> .EX
> typedef struct {
> int quot; /* Quotient */
> int rem; /* Remainder */
> } div_t;
> .EE
> -.IP
> +.PP
> It is the type of the value returned by the
> .BR div (3)
> function.
> -.IP
> +.PP
> Conforming to: C99 and later; POSIX.1-2001 and later.
> -.IP
> +.PP
> See also:
> .BR div (3)
> +.RE
> .\"------------------------------------- double_t ---------------------/
> .TP
> .I double_t
> -.IP
> +.RS
> +.PP
> Include:
> .IR <math.h> .
> -.IP
> +.PP
> The implementation's most efficient floating type at least as wide as
> .IR double .
> Its type depends on the value of the macro
> .BR FLT_EVAL_METHOD :
> -.RS
> .IP *
> 0;
> .I double_t
> @@ -146,55 +150,59 @@ is
> .IR "long double" .
> .IP *
> Other implementation-defined values.
> -.RE
> -.IP
> +.PP
> Conforming to: C99 and later; POSIX.1-2001 and later.
> -.IP
> +.PP
> See also the
> .I float_t
> type in this page.
> +.RE
> .\"------------------------------------- fenv_t -----------------------/
> .TP
> .I fenv_t
> -.IP
> +.RS
> +.PP
> Include:
> .IR <fenv.h> .
> -.IP
> +.PP
> This type represents the entire floating-point environment,
> including control modes and status flags; for further details, see
> .BR fenv (3).
> -.IP
> +.PP
> Conforming to: C99 and later; POSIX.1-2001 and later.
> -.IP
> +.PP
> See also:
> .BR fenv (3)
> +.RE
> .\"------------------------------------- fexcept_t --------------------/
> .TP
> .I fexcept_t
> -.IP
> +.RS
> +.PP
> Include:
> .IR <fenv.h> .
> -.IP
> +.PP
> This type represents the floating-point status flags collectively;
> for further details see
> .BR fenv (3).
> -.IP
> +.PP
> Conforming to: C99 and later; POSIX.1-2001 and later.
> -.IP
> +.PP
> See also:
> .BR fenv (3)
> +.RE
> .\"------------------------------------- float_t ----------------------/
> .TP
> .I float_t
> -.IP
> +.RS
> +.PP
> Include:
> .IR <math.h> .
> -.IP
> +.PP
> The implementation's most efficient floating type at least as wide as
> .IR float .
> Its type depends on the value of the macro
> .BR FLT_EVAL_METHOD :
> -.RS
> .IP *
> 0;
> .I float_t
> @@ -212,17 +220,18 @@ is
> .IR "long double" .
> .IP *
> Other implementation-defined values.
> -.RE
> -.IP
> +.PP
> Conforming to: C99 and later; POSIX.1-2001 and later.
> -.IP
> +.PP
> See also the
> .I double_t
> type in this page.
> +.RE
> .\"------------------------------------- gid_t ------------------------/
> .TP
> .I gid_t
> -.IP
> +.RS
> +.PP
> Include:
> .IR <sys/types.h> ;
> or
> @@ -239,13 +248,13 @@ or
> .I <sys/stat.h>
> or
> .IR <unistd.h> .
> -.IP
> +.PP
> A type used to hold group IDs.
> According to POSIX,
> this shall be an integer type.
> -.IP
> +.PP
> Conforming to: POSIX.1-2001 and later.
> -.IP
> +.PP
> See also:
> .BR chown (2),
> .BR getgid (2),
> @@ -254,15 +263,17 @@ See also:
> .BR getresgid (2),
> .BR getgrnam (2),
> .BR credentials (7)
> +.RE
> .\"------------------------------------- id_t -------------------------/
> .TP
> .I id_t
> -.IP
> +.RS
> +.PP
> Include:
> .IR <sys/types.h> ;
> or
> .IR <sys/resource.h> .
> -.IP
> +.PP
> A type used to hold a general identifier.
> According to POSIX,
> this shall be an integer type that can be used to contain a
> @@ -270,41 +281,45 @@ this shall be an integer type that can be used to contain a
> .IR uid_t ,
> or
> .IR gid_t .
> -.IP
> +.PP
> Conforming to: POSIX.1-2001 and later.
> -.IP
> +.PP
> See also:
> .BR getpriority (2),
> .BR waitid (2)
> +.RE
> .\"------------------------------------- imaxdiv_t --------------------/
> .TP
> .I imaxdiv_t
> -.IP
> +.RS
> +.PP
> Include:
> .IR <inttypes.h> .
> -.IP
> +.PP
> .EX
> typedef struct {
> intmax_t quot; /* Quotient */
> intmax_t rem; /* Remainder */
> } imaxdiv_t;
> .EE
> -.IP
> +.PP
> It is the type of the value returned by the
> .BR imaxdiv (3)
> function.
> -.IP
> +.PP
> Conforming to: C99 and later; POSIX.1-2001 and later.
> -.IP
> +.PP
> See also:
> .BR imaxdiv (3)
> +.RE
> .\"------------------------------------- lconv ------------------------/
> .TP
> .I lconv
> -.IP
> +.RS
> +.PP
> Include:
> .IR <locale.h> .
> -.IP
> +.PP
> .EX
> struct lconv { /* Values in the "C" locale: */
> char *decimal_point; /* "." */
> @@ -333,66 +348,72 @@ struct lconv { /* Values in the "C" locale: */
> char int_n_sign_posn; /* CHAR_MAX */
> };
> .EE
> -.IP
> +.PP
> Contains members related to the formatting of numeric values.
> In the "C" locale, its members have the values
> shown in the comments above.
> -.IP
> +.PP
> Conforming to: C11 and later; POSIX.1-2001 and later.
> -.IP
> +.PP
> See also:
> .BR setlocale (3),
> .BR localeconv (3),
> .BR charsets (5),
> .BR locale (7)
> +.RE
> .\"------------------------------------- ldiv_t -----------------------/
> .TP
> .I ldiv_t
> -.IP
> +.RS
> +.PP
> Include:
> .IR <stdlib.h> .
> -.IP
> +.PP
> .EX
> typedef struct {
> long quot; /* Quotient */
> long rem; /* Remainder */
> } ldiv_t;
> .EE
> -.IP
> +.PP
> It is the type of the value returned by the
> .BR ldiv (3)
> function.
> -.IP
> +.PP
> Conforming to: C99 and later; POSIX.1-2001 and later.
> -.IP
> +.PP
> See also:
> .BR ldiv (3)
> +.RE
> .\"------------------------------------- lldiv_t ----------------------/
> .TP
> .I lldiv_t
> -.IP
> +.RS
> +.PP
> Include:
> .IR <stdlib.h> .
> -.IP
> +.PP
> .EX
> typedef struct {
> long long quot; /* Quotient */
> long long rem; /* Remainder */
> } lldiv_t;
> .EE
> -.IP
> +.PP
> It is the type of the value returned by the
> .BR lldiv (3)
> function.
> -.IP
> +.PP
> Conforming to: C99 and later; POSIX.1-2001 and later.
> -.IP
> +.PP
> See also:
> .BR lldiv (3)
> +.RE
> .\"------------------------------------- pid_t ------------------------/
> .TP
> .I pid_t
> -.IP
> +.RS
> +.PP
> Include
> .IR <sys/types.h> ;
> or
> @@ -419,7 +440,7 @@ or
> .I <unistd.h>
> or
> .IR <utmpx.h> .
> -.IP
> +.PP
> This type is used for storing process IDs, process group IDs, and session IDs.
> According to POSIX, it shall be a signed integer type,
> and the implementation shall support one or more programming environments
> @@ -427,9 +448,9 @@ where the width of
> .I pid_t
> is no greater than the width of the type
> .IR long .
> -.IP
> +.PP
> Conforming to: POSIX.1-2001 and later.
> -.IP
> +.PP
> See also:
> .BR fork (2),
> .BR getpid (2),
> @@ -443,20 +464,22 @@ See also:
> .BR waitpid (2),
> .BR sigqueue (3),
> .BR credentials (7),
> +.RE
> .\"------------------------------------- ptrdiff_t --------------------/
> .TP
> .I ptrdiff_t
> -.IP
> +.RS
> +.PP
> Include:
> .IR <stddef.h> .
> -.IP
> +.PP
> Used for a count of elements, and array indices.
> It is the result of subtracting two pointers.
> According to the C language standard, it shall be a signed integer type
> capable of storing values in the range
> .RB [ PTRDIFF_MIN ,
> .BR PTRDIFF_MAX ].
> -.IP
> +.PP
> The length modifier for
> .I ptrdiff_t
> for the
> @@ -472,21 +495,23 @@ or
> for printing
> .I ptrdiff_t
> values.
> -.IP
> +.PP
> Conforming to: C99 and later; POSIX.1-2001 and later.
> -.IP
> +.PP
> See also the
> .I size_t
> and
> .I ssize_t
> types in this page.
> +.RE
> .\"------------------------------------- regmatch_t -------------------/
> .TP
> .I regmatch_t
> -.IP
> +.RS
> +.PP
> Include:
> .IR <regex.h> .
> -.IP
> +.PP
> .EX
> typedef struct {
> regoff_t rm_so; /* Byte offset from start of string
> @@ -496,36 +521,38 @@ typedef struct {
> substring */
> } regmatch_t;
> .EE
> -.IP
> +.PP
> This is a structure type used in regular expression matching.
> -.IP
> +.PP
> Conforming to: POSIX.1-2001 and later.
> -.IP
> +.PP
> See also:
> .BR regexec (3)
> +.RE
> .\"------------------------------------- regoff_t ---------------------/
> .TP
> .I regoff_t
> -.IP
> +.RS
> +.PP
> Include:
> .IR <regex.h> .
> -.IP
> +.PP
> According to POSIX, it shall be a signed integer type
> capable of storing the largest value that can be stored in either a
> .I ptrdiff_t
> type or a
> .I ssize_t
> type.
> -.IP
> +.PP
> Conforming to: POSIX.1-2001 and later.
> -.IP
> +.PP
> Notes: Prior to POSIX.1-2008, the type was capable of storing
> the largest value that can be stored in either an
> .I off_t
> type or a
> .I ssize_t
> type.
> -.IP
> +.PP
> See also the
> .I regmatch_t
> structure and the
> @@ -533,10 +560,12 @@ structure and the
> and
> .I ssize_t
> types in this page.
> +.RE
> .\"------------------------------------- sigevent ---------------------/
> .TP
> .I sigevent
> -.IP
> +.RS
> +.PP
> Include:
> .IR <signal.h> ;
> or
> @@ -545,7 +574,7 @@ or
> .I <mqueue.h>
> or
> .IR <time.h> .
> -.IP
> +.PP
> .EX
> struct sigevent {
> int sigev_notify; /* Notification type */
> @@ -557,12 +586,12 @@ struct sigevent {
> /* Notification attributes */
> };
> .EE
> -.IP
> +.PP
> For further details about this type, see
> .BR sigevent (7).
> -.IP
> +.PP
> Conforming to: POSIX.1-2001 and later.
> -.IP
> +.PP
> Notes:
> .I <aio.h>
> and
> @@ -570,25 +599,27 @@ and
> define
> .I sigevent
> since POSIX.1-2008.
> -.IP
> +.PP
> See also:
> .BR timer_create (2),
> .BR getaddrinfo_a (3),
> .BR lio_listio (3),
> .BR mq_notify (3)
> -.IP
> +.PP
> See also the
> .I aiocb
> structure in this page.
> +.RE
> .\"------------------------------------- siginfo_t --------------------/
> .TP
> .I siginfo_t
> -.IP
> +.RS
> +.PP
> Include:
> .IR <signal.h> ;
> or
> .IR <sys/wait.h> .
> -.IP
> +.PP
> .EX
> typedef struct {
> int si_signo; /* Signal number */
> @@ -600,36 +631,38 @@ typedef struct {
> union sigval si_value; /* Signal value */
> } siginfo_t;
> .EE
> -.IP
> +.PP
> Information associated with a signal.
> For further details on this structure
> (including additional, Linux-specific fields), see
> .BR sigaction (2).
> -.IP
> +.PP
> Conforming to: POSIX.1-2001 and later.
> -.IP
> +.PP
> See also:
> .BR pidfd_send_signal (2),
> .BR rt_sigqueueinfo (2),
> .BR sigaction (2),
> .BR sigwaitinfo (2),
> .BR psiginfo (3)
> +.RE
> .\"------------------------------------- sigset_t ---------------------/
> .TP
> .I sigset_t
> -.IP
> +.RS
> +.PP
> Include:
> .IR <signal.h> ;
> or
> .I <spawn.h>
> or
> .IR <sys/select.h> .
> -.IP
> +.PP
> This is a type that represents a set of signals.
> According to POSIX, this shall be an integer or structure type.
> -.IP
> +.PP
> Conforming to: POSIX.1-2001 and later.
> -.IP
> +.PP
> See also:
> .BR epoll_pwait (2),
> .BR ppoll (2),
> @@ -641,29 +674,31 @@ See also:
> .BR sigsuspend (2),
> .BR sigwaitinfo (2),
> .BR signal (7)
> +.RE
> .\"------------------------------------- sigval -----------------------/
> .TP
> .I sigval
> -.IP
> +.RS
> +.PP
> Include:
> .IR <signal.h> .
> -.IP
> +.PP
> .EX
> union sigval {
> int sigval_int; /* Integer value */
> void *sigval_ptr; /* Pointer value */
> };
> .EE
> -.IP
> +.PP
> Data passed with a signal.
> -.IP
> +.PP
> Conforming to: POSIX.1-2001 and later.
> -.IP
> +.PP
> See also:
> .BR pthread_sigqueue (3),
> .BR sigqueue (3),
> .BR sigevent (7)
> -.IP
> +.PP
> See also the
> .I sigevent
> structure
> @@ -671,10 +706,12 @@ and the
> .I siginfo_t
> type
> in this page.
> +.RE
> .\"------------------------------------- size_t -----------------------/
> .TP
> .I size_t
> -.IP
> +.RS
> +.PP
> Include:
> .I <stddef.h>
> or
> @@ -729,7 +766,7 @@ or
> .I <wchar.h>
> or
> .IR <wordexp.h> .
> -.IP
> +.PP
> Used for a count of bytes. It is the result of the
> .I sizeof
> operator.
> @@ -743,7 +780,7 @@ where the width of
> .I size_t
> is no greater than the width of the type
> .IR long .
> -.IP
> +.PP
> The length modifier for
> .I size_t
> for the
> @@ -759,9 +796,9 @@ or
> for printing
> .I size_t
> values.
> -.IP
> +.PP
> Conforming to: C99 and later; POSIX.1-2001 and later.
> -.IP
> +.PP
> Notes:
> .IR <aio.h> ,
> .IR <glob.h> ,
> @@ -775,7 +812,7 @@ and
> define
> .I size_t
> since POSIX.1-2008.
> -.IP
> +.PP
> See also:
> .BR read (2),
> .BR write (2),
> @@ -786,16 +823,18 @@ See also:
> .BR memcpy (3),
> .BR memset (3),
> .BR offsetof (3)
> -.IP
> +.PP
> See also the
> .I ptrdiff_t
> and
> .I ssize_t
> types in this page.
> +.RE
> .\"------------------------------------- ssize_t ----------------------/
> .TP
> .I ssize_t
> -.IP
> +.RS
> +.PP
> Include:
> .IR <sys/types.h> ;
> or
> @@ -814,7 +853,7 @@ or
> .I <sys/uio.h>
> or
> .IR <unistd.h> .
> -.IP
> +.PP
> Used for a count of bytes or an error indication.
> According to POSIX, it shall be a signed integer type
> capable of storing values at least in the range [-1,
> @@ -824,7 +863,7 @@ where the width of
> .I ssize_t
> is no greater than the width of the type
> .IR long .
> -.IP
> +.PP
> Glibc and most other implementations provide a length modifier for
> .I ssize_t
> for the
> @@ -850,9 +889,9 @@ by converting the value to
> .I intmax_t
> and using its length modifier
> .RB ( j ).
> -.IP
> +.PP
> Conforming to: POSIX.1-2001 and later.
> -.IP
> +.PP
> See also:
> .BR read (2),
> .BR readlink (2),
> @@ -860,23 +899,25 @@ See also:
> .BR recv (2),
> .BR send (2),
> .BR write (2)
> -.IP
> +.PP
> See also the
> .I ptrdiff_t
> and
> .I size_t
> types in this page.
> +.RE
> .\"------------------------------------- suseconds_t ------------------/
> .TP
> .I suseconds_t
> -.IP
> +.RS
> +.PP
> Include:
> .IR <sys/types.h> ;
> or
> .I <sys/select.h>
> or
> .IR <sys/time.h> .
> -.IP
> +.PP
> Used for time in microseconds.
> According to POSIX, it shall be a signed integer type
> capable of storing values at least in the range [-1, 1000000],
> @@ -885,16 +926,18 @@ where the width of
> .I suseconds_t
> is no greater than the width of the type
> .IR long .
> -.IP
> +.PP
> Conforming to: POSIX.1-2001 and later.
> -.IP
> +.PP
> See also the
> .I timeval
> structure in this page.
> +.RE
> .\"------------------------------------- time_t -----------------------/
> .TP
> .I time_t
> -.IP
> +.RS
> +.PP
> Include:
> .I <sys/types.h>
> or
> @@ -915,48 +958,52 @@ or
> .I <sys/time.h>
> or
> .IR <utime.h> .
> -.IP
> +.PP
> Used for time in seconds.
> According to POSIX, it shall be an integer type.
> -.IP
> +.PP
> Conforming to: C99 and later; POSIX.1-2001 and later.
> -.IP
> +.PP
> Notes:
> .I <sched.h>
> defines
> .I time_t
> since POSIX.1-2008.
> -.IP
> +.PP
> See also:
> .BR stime (2),
> .BR time (2),
> .BR ctime (3),
> .BR difftime (3)
> +.RE
> .\"------------------------------------- timer_t ----------------------/
> .TP
> .I timer_t
> -.IP
> +.RS
> +.PP
> Include:
> .IR <sys/types.h> ;
> or
> .IR <time.h> .
> -.IP
> +.PP
> Used for timer ID returned by
> .BR timer_create (2).
> According to POSIX,
> there are no defined comparison or assignment operators for this type.
> -.IP
> +.PP
> Conforming to: POSIX.1-2001 and later.
> -.IP
> +.PP
> See also:
> .BR timer_create (2),
> .BR timer_delete (2),
> .BR timer_getoverrun (2),
> .BR timer_settime (2)
> +.RE
> .\"------------------------------------- timespec ---------------------/
> .TP
> .I timespec
> -.IP
> +.RS
> +.PP
> Include:
> .IR <time.h> ;
> or
> @@ -971,28 +1018,30 @@ or
> .I <sys/select.h>
> or
> .IR <sys/stat.h> .
> -.IP
> +.PP
> .EX
> struct timespec {
> time_t tv_sec; /* Seconds */
> long tv_nsec; /* Nanoseconds */
> };
> .EE
> -.IP
> +.PP
> Describes times in seconds and nanoseconds.
> -.IP
> +.PP
> Conforming to: C11 and later; POSIX.1-2001 and later.
> -.IP
> +.PP
> See also:
> .BR clock_gettime (2),
> .BR clock_nanosleep (2),
> .BR nanosleep (2),
> .BR timerfd_gettime (2),
> .BR timer_gettime (2)
> +.RE
> .\"------------------------------------- timeval ----------------------/
> .TP
> .I timeval
> -.IP
> +.RS
> +.PP
> Include:
> .IR <sys/time.h> ;
> or
> @@ -1001,18 +1050,18 @@ or
> .I <sys/select.h>
> or
> .IR <utmpx.h> .
> -.IP
> +.PP
> .EX
> struct timeval {
> time_t tv_sec; /* Seconds */
> suseconds_t tv_usec; /* Microseconds */
> };
> .EE
> -.IP
> +.PP
> Describes times in seconds and microseconds.
> -.IP
> +.PP
> Conforming to: POSIX.1-2001 and later.
> -.IP
> +.PP
> See also:
> .BR gettimeofday (2),
> .BR select (2),
> @@ -1020,10 +1069,12 @@ See also:
> .BR adjtime (3),
> .BR futimes (3),
> .BR timeradd (3)
> +.RE
> .\"------------------------------------- uid_t ----------------------/
> .TP
> .I uid_t
> -.IP
> +.RS
> +.PP
> Include:
> .IR <sys/types.h> ;
> or
> @@ -1038,13 +1089,13 @@ or
> .I <sys/stat.h>
> or
> .IR <unistd.h> .
> -.IP
> +.PP
> A type used to hold user IDs.
> According to POSIX,
> this shall be an integer type.
> -.IP
> +.PP
> Conforming to: POSIX.1-2001 and later.
> -.IP
> +.PP
> See also:
> .BR chown (2),
> .BR getuid (2),
> @@ -1052,6 +1103,8 @@ See also:
> .BR getresuid (2),
> .BR getpwnam (2),
> .BR credentials (7)
> +.RE
> +.\"--------------------------------------------------------------------/
> .SH NOTES
> The structures described in this manual page shall contain,
> at least, the members shown in their definition, in no particular order.
>
--
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/
