glebfm/strace
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
strace/sendfile.c

55 lines
1.1 KiB
C
Raw Permalink Normal View History

io.c: move sendfile parsers to a separate file * sendfile.c: New file. * Makefile.am (strace_SOURCES): Add it. * io.c (sys_sendfile, sys_sendfile64): Move to sendfile.c
2015-08-18 22:09:30 +00:00
/*
* Copyright (c) 2015 Dmitry V. Levin <ldv@altlinux.org>
Update copyright headers
2018-12-24 23:46:43 +00:00
* Copyright (c) 2015-2018 The strace developers.
io.c: move sendfile parsers to a separate file * sendfile.c: New file. * Makefile.am (strace_SOURCES): Add it. * io.c (sys_sendfile, sys_sendfile64): Move to sendfile.c
2015-08-18 22:09:30 +00:00
* All rights reserved.
*
Change the license of strace to LGPL-2.1-or-later strace is now provided under the terms of the GNU Lesser General Public License version 2.1 or later, see COPYING for more details. strace test suite is now provided under the terms of the GNU General Public License version 2 or later, see tests/COPYING for more details.
2018-12-10 00:00:00 +00:00
* SPDX-License-Identifier: LGPL-2.1-or-later
io.c: move sendfile parsers to a separate file * sendfile.c: New file. * Makefile.am (strace_SOURCES): Add it. * io.c (sys_sendfile, sys_sendfile64): Move to sendfile.c
2015-08-18 22:09:30 +00:00
*/
#include "defs.h"
SYS_FUNC(sendfile64)
{
sendfile: decode file offset both on entering and exiting syscall When sendfile is called with a valid pointer to a file offset variable, kernel updates this variable on successfull exit from syscall. * sendfile.c (sys_sendfile, sys_sendfile64): Print tcp->u_arg[2] on exiting syscall as well as on entering.
2015-08-18 22:17:52 +00:00
if (entering(tcp)) {
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
printfd(tcp, tcp->u_arg[1]);
tprints(", ");
if (!printnum_int64(tcp, tcp->u_arg[2], "%" PRIu64)) {
Automatically replace PRI_kr[dux] with PRI_kl[dux] Remove temporary macros created for transition from long to kernel_ulong_t. Automatically replace PRI_kr[dux] with PRI_kl[dux] using $ git grep -l 'PRI_kr[dux]' | xargs sed -ri 's/PRI_kr([dux])/PRI_kl\1/g' * defs.h (PRI_krd, PRI_kru, PRI_krx): Remove. All users updated.
2016-12-26 10:16:35 +00:00
tprintf(", %" PRI_klu, tcp->u_arg[3]);
sendfile: decode file offset both on entering and exiting syscall When sendfile is called with a valid pointer to a file offset variable, kernel updates this variable on successfull exit from syscall. * sendfile.c (sys_sendfile, sys_sendfile64): Print tcp->u_arg[2] on exiting syscall as well as on entering.
2015-08-18 22:17:52 +00:00
return RVAL_DECODED;
}
} else {
if (!syserror(tcp) && tcp->u_rval) {
tprints(" => ");
printnum_int64(tcp, tcp->u_arg[2], "%" PRIu64);
}
Automatically replace PRI_kr[dux] with PRI_kl[dux] Remove temporary macros created for transition from long to kernel_ulong_t. Automatically replace PRI_kr[dux] with PRI_kl[dux] using $ git grep -l 'PRI_kr[dux]' | xargs sed -ri 's/PRI_kr([dux])/PRI_kl\1/g' * defs.h (PRI_krd, PRI_kru, PRI_krx): Remove. All users updated.
2016-12-26 10:16:35 +00:00
tprintf(", %" PRI_klu, tcp->u_arg[3]);
sendfile: decode file offset both on entering and exiting syscall When sendfile is called with a valid pointer to a file offset variable, kernel updates this variable on successfull exit from syscall. * sendfile.c (sys_sendfile, sys_sendfile64): Print tcp->u_arg[2] on exiting syscall as well as on entering.
2015-08-18 22:17:52 +00:00
}
io.c: move sendfile parsers to a separate file * sendfile.c: New file. * Makefile.am (strace_SOURCES): Add it. * io.c (sys_sendfile, sys_sendfile64): Move to sendfile.c
2015-08-18 22:09:30 +00:00
sendfile: decode file offset both on entering and exiting syscall When sendfile is called with a valid pointer to a file offset variable, kernel updates this variable on successfull exit from syscall. * sendfile.c (sys_sendfile, sys_sendfile64): Print tcp->u_arg[2] on exiting syscall as well as on entering.
2015-08-18 22:17:52 +00:00
return 0;
io.c: move sendfile parsers to a separate file * sendfile.c: New file. * Makefile.am (strace_SOURCES): Add it. * io.c (sys_sendfile, sys_sendfile64): Move to sendfile.c
2015-08-18 22:09:30 +00:00
}
SYS_FUNC(sendfile)
{
sendfile: decode file offset both on entering and exiting syscall When sendfile is called with a valid pointer to a file offset variable, kernel updates this variable on successfull exit from syscall. * sendfile.c (sys_sendfile, sys_sendfile64): Print tcp->u_arg[2] on exiting syscall as well as on entering.
2015-08-18 22:17:52 +00:00
if (entering(tcp)) {
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
printfd(tcp, tcp->u_arg[1]);
tprints(", ");
if (!printnum_ulong(tcp, tcp->u_arg[2])
|| !tcp->u_arg[3]) {
Automatically replace PRI_kr[dux] with PRI_kl[dux] Remove temporary macros created for transition from long to kernel_ulong_t. Automatically replace PRI_kr[dux] with PRI_kl[dux] using $ git grep -l 'PRI_kr[dux]' | xargs sed -ri 's/PRI_kr([dux])/PRI_kl\1/g' * defs.h (PRI_krd, PRI_kru, PRI_krx): Remove. All users updated.
2016-12-26 10:16:35 +00:00
tprintf(", %" PRI_klu, tcp->u_arg[3]);
sendfile: decode file offset both on entering and exiting syscall When sendfile is called with a valid pointer to a file offset variable, kernel updates this variable on successfull exit from syscall. * sendfile.c (sys_sendfile, sys_sendfile64): Print tcp->u_arg[2] on exiting syscall as well as on entering.
2015-08-18 22:17:52 +00:00
return RVAL_DECODED;
}
} else {
if (!syserror(tcp) && tcp->u_rval) {
tprints(" => ");
printnum_ulong(tcp, tcp->u_arg[2]);
}
Automatically replace PRI_kr[dux] with PRI_kl[dux] Remove temporary macros created for transition from long to kernel_ulong_t. Automatically replace PRI_kr[dux] with PRI_kl[dux] using $ git grep -l 'PRI_kr[dux]' | xargs sed -ri 's/PRI_kr([dux])/PRI_kl\1/g' * defs.h (PRI_krd, PRI_kru, PRI_krx): Remove. All users updated.
2016-12-26 10:16:35 +00:00
tprintf(", %" PRI_klu, tcp->u_arg[3]);
sendfile: decode file offset both on entering and exiting syscall When sendfile is called with a valid pointer to a file offset variable, kernel updates this variable on successfull exit from syscall. * sendfile.c (sys_sendfile, sys_sendfile64): Print tcp->u_arg[2] on exiting syscall as well as on entering.
2015-08-18 22:17:52 +00:00
}
io.c: move sendfile parsers to a separate file * sendfile.c: New file. * Makefile.am (strace_SOURCES): Add it. * io.c (sys_sendfile, sys_sendfile64): Move to sendfile.c
2015-08-18 22:09:30 +00:00
sendfile: decode file offset both on entering and exiting syscall When sendfile is called with a valid pointer to a file offset variable, kernel updates this variable on successfull exit from syscall. * sendfile.c (sys_sendfile, sys_sendfile64): Print tcp->u_arg[2] on exiting syscall as well as on entering.
2015-08-18 22:17:52 +00:00
return 0;
io.c: move sendfile parsers to a separate file * sendfile.c: New file. * Makefile.am (strace_SOURCES): Add it. * io.c (sys_sendfile, sys_sendfile64): Move to sendfile.c
2015-08-18 22:09:30 +00:00
}
Reference in New Issue Copy Permalink