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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 19:41:09 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 19:41:09 +0000 |
| commit | 0db324e2e5d9d3347ea0e93138372fb65aac09e6 (patch) | |
| tree | 1b794022fb98db123c73021e75286a82c116aa7f /man2/_syscall.2 | |
| parent | Releasing progress-linux version 6.05.01-1~progress7.99u1. (diff) | |
| download | manpages-0db324e2e5d9d3347ea0e93138372fb65aac09e6.tar.xz manpages-0db324e2e5d9d3347ea0e93138372fb65aac09e6.zip | |
Merging upstream version 6.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'man2/_syscall.2')
| -rw-r--r-- | man2/_syscall.2 | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/man2/_syscall.2 b/man2/_syscall.2 index ef6542f..84612a1 100644 --- a/man2/_syscall.2 +++ b/man2/_syscall.2 @@ -16,15 +16,15 @@ .\" 2007-10-23 mtk: created as a new page, by taking the content .\" specific to the _syscall() macros from intro(2). .\" -.TH _syscall 2 2023-05-03 "Linux man-pages 6.05.01" +.TH _syscall 2 2024-02-26 "Linux man-pages 6.7" .SH NAME _syscall \- invoking a system call without library support (OBSOLETE) .SH SYNOPSIS .nf .B #include <linux/unistd.h> -.PP +.P A _syscall macro -.PP +.P desired system call .fi .SH DESCRIPTION @@ -33,13 +33,13 @@ You need to know how many arguments, their types, and the function return type. There are seven macros that make the actual call into the system easier. They have the form: -.PP +.P .in +4n .EX .RI _syscall X ( type , name , type1 , arg1 , type2 , arg2 ,...) .EE .in -.PP +.P where .IP .I X @@ -57,7 +57,7 @@ is the Nth argument's type .IP .I argN is the name of the Nth argument -.PP +.P These macros create a function called .I name with the arguments you @@ -85,7 +85,7 @@ The _syscall() macros produce a prototype. You may have to create one, especially for C++ users. -.PP +.P System calls are not required to return only positive or negative error codes. You need to read the source to be sure how it will return errors. @@ -106,7 +106,7 @@ when is negative. For the error codes, see .BR errno (3). -.PP +.P When defining a system call, the argument types .I must be @@ -123,7 +123,7 @@ passed by-value or by-pointer (for aggregates like structs). .\" Otherwise, the use of a _syscall macro is required. .\" .SH EXAMPLES -.\" [[deprecated]] SRC BEGIN (_syscall.c) +.\" SRC BEGIN (_syscall.c) .EX #include <stdio.h> #include <stdlib.h> |