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| author | Alejandro Colomar <alx.manpages@gmail.com> | 2021-05-10 19:55:14 +0200 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2021-05-11 17:18:08 +1200 |
| commit | 950d1738ef91a2b6dde2d8eb61276b972c4657ff (patch) | |
| tree | c448eed58dd31258fe9d373d7e26ded05115ff9f | |
| parent | cac89bc7943451cc66a9e7a0c4f5b50c270f273b (diff) | |
| download | man-pages-950d1738ef91a2b6dde2d8eb61276b972c4657ff.tar.gz | |
io_destroy.2: Use syscall(SYS_...); for system calls without a wrapper
In this case there's a wrapper provided by libaio,
but this page documents the raw syscall.
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
| -rw-r--r-- | man2/io_destroy.2 | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/man2/io_destroy.2 b/man2/io_destroy.2 index b439f11846..c9418336f2 100644 --- a/man2/io_destroy.2 +++ b/man2/io_destroy.2 @@ -9,13 +9,18 @@ io_destroy \- destroy an asynchronous I/O context .SH SYNOPSIS .nf -.BR "#include <linux/aio_abi.h>" " /* Defines needed types */" +.BR "#include <linux/aio_abi.h>" " /* Definition of " aio_context_t " */" +.BR "#include <sys/syscall.h>" " /* Definition of " SYS_* " constants */" +.B #include <unistd.h> .PP -.BI "int io_destroy(aio_context_t " ctx_id ); +.BI "int syscall(SYS_io_destroy, aio_context_t " ctx_id ); .fi .PP .IR Note : -There is no glibc wrapper for this system call; see NOTES. +glibc provides no wrapper for +.BR io_destroy (), +necessitating the use of +.BR syscall (2). .SH DESCRIPTION .IR Note : this page describes the raw Linux system call interface. @@ -57,10 +62,7 @@ The asynchronous I/O system calls first appeared in Linux 2.5. is Linux-specific and should not be used in programs that are intended to be portable. .SH NOTES -Glibc does not provide a wrapper for this system call. -You could invoke it using -.BR syscall (2). -But instead, you probably want to use the +You probably want to use the .BR io_destroy () wrapper function provided by .\" http://git.fedorahosted.org/git/?p=libaio.git |