Move io_* syscalls decoding to a separate file
* desc.c (sys_io_setup, sys_io_destroy, sys_io_submit, sys_io_cancel,
sys_io_getevents, declarations from libaio.h): Move to ...
* aio.c: new file.
* Makefile.am (strace_SOURCES): Add aio.c.
diff --git a/Makefile.am b/Makefile.am
index 9187fa0..c98d8b9 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -15,6 +15,7 @@
AM_CPPFLAGS = -I$(srcdir)/$(OS)/$(ARCH) -I$(srcdir)/$(OS) -I$(builddir)/$(OS)
strace_SOURCES = \
+ aio.c \
bjm.c \
block.c \
count.c \
diff --git a/aio.c b/aio.c
new file mode 100644
index 0000000..6bf8f82
--- /dev/null
+++ b/aio.c
@@ -0,0 +1,376 @@
+/*
+ * Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
+ * Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
+ * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
+ * Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "defs.h"
+
+/* --- Copied from libaio-0.3.109/src/libaio.h ---
+ * Why keep a copy instead of using external libaio.h?
+ * Because we want to properly decode 32-bit aio calls
+ * by 64-bit strace. For that, we need more definitions than
+ * libaio.h provides. (TODO).
+ * Keeping our local 32-bit compat defs in sync with libaio.h
+ * _without seeing libaio structs_ is hard/more bug-prone.
+ * A smaller benefit is that we don't need libaio installed.
+ */
+#define HAVE_LIBAIO_H 1
+typedef enum io_iocb_cmd {
+ IO_CMD_PREAD = 0,
+ IO_CMD_PWRITE = 1,
+
+ IO_CMD_FSYNC = 2,
+ IO_CMD_FDSYNC = 3,
+
+ IO_CMD_POLL = 5, /* Never implemented in mainline, see io_prep_poll */
+ IO_CMD_NOOP = 6,
+ IO_CMD_PREADV = 7,
+ IO_CMD_PWRITEV = 8,
+} io_iocb_cmd_t;
+
+#if defined(__i386__) /* little endian, 32 bits */
+#define PADDED(x, y) x; unsigned y
+#define PADDEDptr(x, y) x; unsigned y
+#define PADDEDul(x, y) unsigned long x; unsigned y
+#elif defined(__ia64__) || defined(__x86_64__) || defined(__alpha__)
+#define PADDED(x, y) x, y
+#define PADDEDptr(x, y) x
+#define PADDEDul(x, y) unsigned long x
+#elif defined(__powerpc64__) /* big endian, 64 bits */
+#define PADDED(x, y) unsigned y; x
+#define PADDEDptr(x,y) x
+#define PADDEDul(x, y) unsigned long x
+#elif defined(__PPC__) /* big endian, 32 bits */
+#define PADDED(x, y) unsigned y; x
+#define PADDEDptr(x, y) unsigned y; x
+#define PADDEDul(x, y) unsigned y; unsigned long x
+#elif defined(__s390x__) /* big endian, 64 bits */
+#define PADDED(x, y) unsigned y; x
+#define PADDEDptr(x,y) x
+#define PADDEDul(x, y) unsigned long x
+#elif defined(__s390__) /* big endian, 32 bits */
+#define PADDED(x, y) unsigned y; x
+#define PADDEDptr(x, y) unsigned y; x
+#define PADDEDul(x, y) unsigned y; unsigned long x
+#elif defined(__arm__)
+# if defined (__ARMEB__) /* big endian, 32 bits */
+#define PADDED(x, y) unsigned y; x
+#define PADDEDptr(x, y) unsigned y; x
+#define PADDEDul(x, y) unsigned y; unsigned long x
+# else /* little endian, 32 bits */
+#define PADDED(x, y) x; unsigned y
+#define PADDEDptr(x, y) x; unsigned y
+#define PADDEDul(x, y) unsigned long x; unsigned y
+# endif
+#else
+# warning No AIO definitions for this architecture => no io_submit decoding
+# undef HAVE_LIBAIO_H
+#endif
+
+#ifdef HAVE_LIBAIO_H
+struct io_iocb_poll {
+ PADDED(int events, __pad1);
+}; /* result code is the set of result flags or -'ve errno */
+
+struct io_iocb_sockaddr {
+ struct sockaddr *addr;
+ int len;
+}; /* result code is the length of the sockaddr, or -'ve errno */
+
+struct io_iocb_common {
+ PADDEDptr(void *buf, __pad1);
+ PADDEDul(nbytes, __pad2);
+ long long offset;
+ long long __pad3;
+ unsigned flags;
+ unsigned resfd;
+}; /* result code is the amount read or -'ve errno */
+
+struct io_iocb_vector {
+ const struct iovec *vec;
+ int nr;
+ long long offset;
+}; /* result code is the amount read or -'ve errno */
+
+struct iocb {
+ PADDEDptr(void *data, __pad1); /* Return in the io completion event */
+ PADDED(unsigned key, __pad2); /* For use in identifying io requests */
+
+ short aio_lio_opcode;
+ short aio_reqprio;
+ int aio_fildes;
+
+ union {
+ struct io_iocb_common c;
+ struct io_iocb_vector v;
+ struct io_iocb_poll poll;
+ struct io_iocb_sockaddr saddr;
+ } u;
+};
+
+struct io_event {
+ PADDEDptr(void *data, __pad1);
+ PADDEDptr(struct iocb *obj, __pad2);
+ PADDEDul(res, __pad3);
+ PADDEDul(res2, __pad4);
+};
+
+#undef PADDED
+#undef PADDEDptr
+#undef PADDEDul
+
+#endif /* HAVE_LIBAIO_H */
+
+/* --- End of a chunk of libaio.h --- */
+/* Not defined in libaio.h */
+#ifndef IOCB_RESFD
+# define IOCB_RESFD (1 << 0)
+#endif
+
+int
+sys_io_setup(struct tcb *tcp)
+{
+ if (entering(tcp))
+ tprintf("%ld, ", tcp->u_arg[0]);
+ else {
+ if (syserror(tcp))
+ tprintf("0x%0lx", tcp->u_arg[1]);
+ else {
+ unsigned long user_id;
+ if (umove(tcp, tcp->u_arg[1], &user_id) == 0)
+ tprintf("{%lu}", user_id);
+ else
+ tprints("{...}");
+ }
+ }
+ return 0;
+}
+
+int
+sys_io_destroy(struct tcb *tcp)
+{
+ if (entering(tcp))
+ tprintf("%lu", tcp->u_arg[0]);
+ return 0;
+}
+
+#ifdef HAVE_LIBAIO_H
+
+enum iocb_sub {
+ SUB_NONE, SUB_COMMON, SUB_POLL, SUB_VECTOR
+};
+
+static enum iocb_sub
+tprint_lio_opcode(unsigned cmd)
+{
+ static const struct {
+ const char *name;
+ enum iocb_sub sub;
+ } cmds[] = {
+ { "pread", SUB_COMMON },
+ { "pwrite", SUB_COMMON },
+ { "fsync", SUB_NONE },
+ { "fdsync", SUB_NONE },
+ { "op4", SUB_NONE },
+ { "poll", SUB_POLL },
+ { "noop", SUB_NONE },
+ { "preadv", SUB_VECTOR },
+ { "pwritev", SUB_VECTOR },
+ };
+
+ if (cmd < ARRAY_SIZE(cmds)) {
+ tprints(cmds[cmd].name);
+ return cmds[cmd].sub;
+ }
+ tprintf("%u /* SUB_??? */", cmd);
+ return SUB_NONE;
+}
+
+static void
+print_common_flags(struct iocb *iocb)
+{
+ if (iocb->u.c.flags & IOCB_RESFD)
+ tprintf(", resfd=%d", iocb->u.c.resfd);
+ if (iocb->u.c.flags & ~IOCB_RESFD)
+ tprintf(", flags=%x", iocb->u.c.flags);
+}
+
+#endif /* HAVE_LIBAIO_H */
+
+int
+sys_io_submit(struct tcb *tcp)
+{
+ if (entering(tcp)) {
+#ifdef HAVE_LIBAIO_H
+ long nr = tcp->u_arg[1];
+ /* if nr <= 0, we end up printing just "{}" */
+ tprintf("%lu, %ld, {", tcp->u_arg[0], tcp->u_arg[1]);
+ {
+ long i;
+ struct iocb **iocbs = (void *)tcp->u_arg[2];
+//FIXME: decoding of 32-bit call by 64-bit strace
+
+ for (i = 0; i < nr; i++, iocbs++) {
+ enum iocb_sub sub;
+ struct iocb *iocbp;
+ struct iocb iocb;
+ if (i)
+ tprints(", ");
+
+ if (umove(tcp, (unsigned long)iocbs, &iocbp)) {
+ tprintf("%#lx", (unsigned long)iocbs);
+ /* No point in trying to read iocbs+1 etc */
+ /* (nr can be ridiculously large): */
+ break;
+ }
+ if (umove(tcp, (unsigned long)iocbp, &iocb)) {
+ tprintf("{%#lx}", (unsigned long)iocbp);
+ continue;
+ }
+ tprints("{");
+ if (iocb.data)
+ tprintf("data:%p, ", iocb.data);
+ if (iocb.key)
+ tprintf("key:%u, ", iocb.key);
+ sub = tprint_lio_opcode(iocb.aio_lio_opcode);
+ if (iocb.aio_reqprio)
+ tprintf(", reqprio:%d", iocb.aio_reqprio);
+ tprintf(", filedes:%d", iocb.aio_fildes);
+ switch (sub) {
+ case SUB_COMMON:
+ if (iocb.aio_lio_opcode == IO_CMD_PWRITE) {
+ tprints(", str:");
+ printstr(tcp, (unsigned long)iocb.u.c.buf,
+ iocb.u.c.nbytes);
+ } else
+ tprintf(", buf:%p", iocb.u.c.buf);
+ tprintf(", nbytes:%lu, offset:%lld",
+ iocb.u.c.nbytes,
+ iocb.u.c.offset);
+ print_common_flags(&iocb);
+ break;
+ case SUB_VECTOR:
+ tprintf(", %lld", iocb.u.v.offset);
+ print_common_flags(&iocb);
+ tprints(", ");
+ tprint_iov(tcp, iocb.u.v.nr,
+ (unsigned long)iocb.u.v.vec,
+ iocb.aio_lio_opcode == IO_CMD_PWRITEV
+ );
+ break;
+ case SUB_POLL:
+ tprintf(", %x", iocb.u.poll.events);
+ break;
+ case SUB_NONE:
+ break;
+ }
+ tprints("}");
+ }
+ }
+ tprints("}");
+#else
+ tprintf("%lu, %ld, %#lx", tcp->u_arg[0], tcp->u_arg[1], tcp->u_arg[2]);
+#endif
+ }
+ return 0;
+}
+
+int
+sys_io_cancel(struct tcb *tcp)
+{
+ if (entering(tcp)) {
+#ifdef HAVE_LIBAIO_H
+ struct iocb iocb;
+#endif
+ tprintf("%lu, ", tcp->u_arg[0]);
+#ifdef HAVE_LIBAIO_H
+ if (umove(tcp, tcp->u_arg[1], &iocb) == 0) {
+ tprintf("{%p, %u, %u, %u, %d}, ",
+ iocb.data, iocb.key,
+ (unsigned)iocb.aio_lio_opcode,
+ (unsigned)iocb.aio_reqprio, iocb.aio_fildes);
+ } else
+#endif
+ tprints("{...}, ");
+ } else {
+ if (tcp->u_rval < 0)
+ tprints("{...}");
+ else {
+#ifdef HAVE_LIBAIO_H
+ struct io_event event;
+ if (umove(tcp, tcp->u_arg[2], &event) == 0)
+ tprintf("{%p, %p, %ld, %ld}",
+ event.data, event.obj,
+ event.res, event.res2);
+ else
+#endif
+ tprints("{...}");
+ }
+ }
+ return 0;
+}
+
+int
+sys_io_getevents(struct tcb *tcp)
+{
+ if (entering(tcp)) {
+ tprintf("%ld, %ld, %ld, ", tcp->u_arg[0], tcp->u_arg[1],
+ tcp->u_arg[2]);
+ } else {
+ if (tcp->u_rval == 0) {
+ tprints("{}");
+ } else {
+#ifdef HAVE_LIBAIO_H
+ struct io_event *events = (void *)tcp->u_arg[3];
+ long i, nr = tcp->u_rval;
+
+ for (i = 0; i < nr; i++, events++) {
+ struct io_event event;
+
+ if (i == 0)
+ tprints("{");
+ else
+ tprints(", ");
+
+ if (umove(tcp, (unsigned long)events, &event) != 0) {
+ tprints("{...}");
+ continue;
+ }
+ tprintf("{%p, %p, %ld, %ld}", event.data,
+ event.obj, event.res, event.res2);
+ }
+ tprints("}, ");
+#else
+ tprints("{...}");
+#endif
+ }
+
+ print_timespec(tcp, tcp->u_arg[4]);
+ }
+ return 0;
+}
diff --git a/desc.c b/desc.c
index 053a3d0..58c9f13 100644
--- a/desc.c
+++ b/desc.c
@@ -38,129 +38,6 @@
# include <linux/perf_event.h>
#endif
-/* --- Copied from libaio-0.3.109/src/libaio.h ---
- * Why keep a copy instead of using external libaio.h?
- * Because we want to properly decode 32-bit aio calls
- * by 64-bit strace. For that, we need more definitions than
- * libaio.h provides. (TODO).
- * Keeping our local 32-bit compat defs in sync with libaio.h
- * _without seeing libaio structs_ is hard/more bug-prone.
- * A smaller benefit is that we don't need libaio installed.
- */
-#define HAVE_LIBAIO_H 1
-typedef enum io_iocb_cmd {
- IO_CMD_PREAD = 0,
- IO_CMD_PWRITE = 1,
-
- IO_CMD_FSYNC = 2,
- IO_CMD_FDSYNC = 3,
-
- IO_CMD_POLL = 5, /* Never implemented in mainline, see io_prep_poll */
- IO_CMD_NOOP = 6,
- IO_CMD_PREADV = 7,
- IO_CMD_PWRITEV = 8,
-} io_iocb_cmd_t;
-
-#if defined(__i386__) /* little endian, 32 bits */
-#define PADDED(x, y) x; unsigned y
-#define PADDEDptr(x, y) x; unsigned y
-#define PADDEDul(x, y) unsigned long x; unsigned y
-#elif defined(__ia64__) || defined(__x86_64__) || defined(__alpha__)
-#define PADDED(x, y) x, y
-#define PADDEDptr(x, y) x
-#define PADDEDul(x, y) unsigned long x
-#elif defined(__powerpc64__) /* big endian, 64 bits */
-#define PADDED(x, y) unsigned y; x
-#define PADDEDptr(x,y) x
-#define PADDEDul(x, y) unsigned long x
-#elif defined(__PPC__) /* big endian, 32 bits */
-#define PADDED(x, y) unsigned y; x
-#define PADDEDptr(x, y) unsigned y; x
-#define PADDEDul(x, y) unsigned y; unsigned long x
-#elif defined(__s390x__) /* big endian, 64 bits */
-#define PADDED(x, y) unsigned y; x
-#define PADDEDptr(x,y) x
-#define PADDEDul(x, y) unsigned long x
-#elif defined(__s390__) /* big endian, 32 bits */
-#define PADDED(x, y) unsigned y; x
-#define PADDEDptr(x, y) unsigned y; x
-#define PADDEDul(x, y) unsigned y; unsigned long x
-#elif defined(__arm__)
-# if defined (__ARMEB__) /* big endian, 32 bits */
-#define PADDED(x, y) unsigned y; x
-#define PADDEDptr(x, y) unsigned y; x
-#define PADDEDul(x, y) unsigned y; unsigned long x
-# else /* little endian, 32 bits */
-#define PADDED(x, y) x; unsigned y
-#define PADDEDptr(x, y) x; unsigned y
-#define PADDEDul(x, y) unsigned long x; unsigned y
-# endif
-#else
-# warning No AIO definitions for this architecture => no io_submit decoding
-# undef HAVE_LIBAIO_H
-#endif
-
-#ifdef HAVE_LIBAIO_H
-struct io_iocb_poll {
- PADDED(int events, __pad1);
-}; /* result code is the set of result flags or -'ve errno */
-
-struct io_iocb_sockaddr {
- struct sockaddr *addr;
- int len;
-}; /* result code is the length of the sockaddr, or -'ve errno */
-
-struct io_iocb_common {
- PADDEDptr(void *buf, __pad1);
- PADDEDul(nbytes, __pad2);
- long long offset;
- long long __pad3;
- unsigned flags;
- unsigned resfd;
-}; /* result code is the amount read or -'ve errno */
-
-struct io_iocb_vector {
- const struct iovec *vec;
- int nr;
- long long offset;
-}; /* result code is the amount read or -'ve errno */
-
-struct iocb {
- PADDEDptr(void *data, __pad1); /* Return in the io completion event */
- PADDED(unsigned key, __pad2); /* For use in identifying io requests */
-
- short aio_lio_opcode;
- short aio_reqprio;
- int aio_fildes;
-
- union {
- struct io_iocb_common c;
- struct io_iocb_vector v;
- struct io_iocb_poll poll;
- struct io_iocb_sockaddr saddr;
- } u;
-};
-
-struct io_event {
- PADDEDptr(void *data, __pad1);
- PADDEDptr(struct iocb *obj, __pad2);
- PADDEDul(res, __pad3);
- PADDEDul(res2, __pad4);
-};
-
-#undef PADDED
-#undef PADDEDptr
-#undef PADDEDul
-
-#endif /* HAVE_LIBAIO_H */
-
-/* --- End of a chunk of libaio.h --- */
-/* Not defined in libaio.h */
-#ifndef IOCB_RESFD
-# define IOCB_RESFD (1 << 0)
-#endif
-
-
static const struct xlat fcntlcmds[] = {
{ F_DUPFD, "F_DUPFD" },
{ F_GETFD, "F_GETFD" },
@@ -931,229 +808,6 @@
}
int
-sys_io_setup(struct tcb *tcp)
-{
- if (entering(tcp))
- tprintf("%ld, ", tcp->u_arg[0]);
- else {
- if (syserror(tcp))
- tprintf("0x%0lx", tcp->u_arg[1]);
- else {
- unsigned long user_id;
- if (umove(tcp, tcp->u_arg[1], &user_id) == 0)
- tprintf("{%lu}", user_id);
- else
- tprints("{...}");
- }
- }
- return 0;
-}
-
-int
-sys_io_destroy(struct tcb *tcp)
-{
- if (entering(tcp))
- tprintf("%lu", tcp->u_arg[0]);
- return 0;
-}
-
-#ifdef HAVE_LIBAIO_H
-
-enum iocb_sub {
- SUB_NONE, SUB_COMMON, SUB_POLL, SUB_VECTOR
-};
-
-static enum iocb_sub
-tprint_lio_opcode(unsigned cmd)
-{
- static const struct {
- const char *name;
- enum iocb_sub sub;
- } cmds[] = {
- { "pread", SUB_COMMON },
- { "pwrite", SUB_COMMON },
- { "fsync", SUB_NONE },
- { "fdsync", SUB_NONE },
- { "op4", SUB_NONE },
- { "poll", SUB_POLL },
- { "noop", SUB_NONE },
- { "preadv", SUB_VECTOR },
- { "pwritev", SUB_VECTOR },
- };
-
- if (cmd < ARRAY_SIZE(cmds)) {
- tprints(cmds[cmd].name);
- return cmds[cmd].sub;
- }
- tprintf("%u /* SUB_??? */", cmd);
- return SUB_NONE;
-}
-
-static void
-print_common_flags(struct iocb *iocb)
-{
- if (iocb->u.c.flags & IOCB_RESFD)
- tprintf(", resfd=%d", iocb->u.c.resfd);
- if (iocb->u.c.flags & ~IOCB_RESFD)
- tprintf(", flags=%x", iocb->u.c.flags);
-}
-
-#endif /* HAVE_LIBAIO_H */
-
-int
-sys_io_submit(struct tcb *tcp)
-{
- if (entering(tcp)) {
-#ifdef HAVE_LIBAIO_H
- long nr = tcp->u_arg[1];
- /* if nr <= 0, we end up printing just "{}" */
- tprintf("%lu, %ld, {", tcp->u_arg[0], tcp->u_arg[1]);
- {
- long i;
- struct iocb **iocbs = (void *)tcp->u_arg[2];
-//FIXME: decoding of 32-bit call by 64-bit strace
-
- for (i = 0; i < nr; i++, iocbs++) {
- enum iocb_sub sub;
- struct iocb *iocbp;
- struct iocb iocb;
- if (i)
- tprints(", ");
-
- if (umove(tcp, (unsigned long)iocbs, &iocbp)) {
- tprintf("%#lx", (unsigned long)iocbs);
- /* No point in trying to read iocbs+1 etc */
- /* (nr can be ridiculously large): */
- break;
- }
- if (umove(tcp, (unsigned long)iocbp, &iocb)) {
- tprintf("{%#lx}", (unsigned long)iocbp);
- continue;
- }
- tprints("{");
- if (iocb.data)
- tprintf("data:%p, ", iocb.data);
- if (iocb.key)
- tprintf("key:%u, ", iocb.key);
- sub = tprint_lio_opcode(iocb.aio_lio_opcode);
- if (iocb.aio_reqprio)
- tprintf(", reqprio:%d", iocb.aio_reqprio);
- tprintf(", filedes:%d", iocb.aio_fildes);
- switch (sub) {
- case SUB_COMMON:
- if (iocb.aio_lio_opcode == IO_CMD_PWRITE) {
- tprints(", str:");
- printstr(tcp, (unsigned long)iocb.u.c.buf,
- iocb.u.c.nbytes);
- } else
- tprintf(", buf:%p", iocb.u.c.buf);
- tprintf(", nbytes:%lu, offset:%lld",
- iocb.u.c.nbytes,
- iocb.u.c.offset);
- print_common_flags(&iocb);
- break;
- case SUB_VECTOR:
- tprintf(", %lld", iocb.u.v.offset);
- print_common_flags(&iocb);
- tprints(", ");
- tprint_iov(tcp, iocb.u.v.nr,
- (unsigned long)iocb.u.v.vec,
- iocb.aio_lio_opcode == IO_CMD_PWRITEV
- );
- break;
- case SUB_POLL:
- tprintf(", %x", iocb.u.poll.events);
- break;
- case SUB_NONE:
- break;
- }
- tprints("}");
- }
- }
- tprints("}");
-#else
- tprintf("%lu, %ld, %#lx", tcp->u_arg[0], tcp->u_arg[1], tcp->u_arg[2]);
-#endif
- }
- return 0;
-}
-
-int
-sys_io_cancel(struct tcb *tcp)
-{
- if (entering(tcp)) {
-#ifdef HAVE_LIBAIO_H
- struct iocb iocb;
-#endif
- tprintf("%lu, ", tcp->u_arg[0]);
-#ifdef HAVE_LIBAIO_H
- if (umove(tcp, tcp->u_arg[1], &iocb) == 0) {
- tprintf("{%p, %u, %u, %u, %d}, ",
- iocb.data, iocb.key,
- (unsigned)iocb.aio_lio_opcode,
- (unsigned)iocb.aio_reqprio, iocb.aio_fildes);
- } else
-#endif
- tprints("{...}, ");
- } else {
- if (tcp->u_rval < 0)
- tprints("{...}");
- else {
-#ifdef HAVE_LIBAIO_H
- struct io_event event;
- if (umove(tcp, tcp->u_arg[2], &event) == 0)
- tprintf("{%p, %p, %ld, %ld}",
- event.data, event.obj,
- event.res, event.res2);
- else
-#endif
- tprints("{...}");
- }
- }
- return 0;
-}
-
-int
-sys_io_getevents(struct tcb *tcp)
-{
- if (entering(tcp)) {
- tprintf("%ld, %ld, %ld, ", tcp->u_arg[0], tcp->u_arg[1],
- tcp->u_arg[2]);
- } else {
- if (tcp->u_rval == 0) {
- tprints("{}");
- } else {
-#ifdef HAVE_LIBAIO_H
- struct io_event *events = (void *)tcp->u_arg[3];
- long i, nr = tcp->u_rval;
-
- for (i = 0; i < nr; i++, events++) {
- struct io_event event;
-
- if (i == 0)
- tprints("{");
- else
- tprints(", ");
-
- if (umove(tcp, (unsigned long)events, &event) != 0) {
- tprints("{...}");
- continue;
- }
- tprintf("{%p, %p, %ld, %ld}", event.data,
- event.obj, event.res, event.res2);
- }
- tprints("}, ");
-#else
- tprints("{...}");
-#endif
- }
-
- print_timespec(tcp, tcp->u_arg[4]);
- }
- return 0;
-}
-
-int
sys_select(struct tcb *tcp)
{
return decode_select(tcp, tcp->u_arg, BITNESS_CURRENT);