7ee5743404
We need the current thread and the trace internal state so that we can use the fd beautifier to augment syscall returns, so use struct syscall_arg with some fields that make sense on returns (val, thread, trace). Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-lqag8e86ybidrh5zpqne05ov@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
85 lines
1.6 KiB
C
85 lines
1.6 KiB
C
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <fcntl.h>
|
|
|
|
#ifndef O_DIRECT
|
|
#define O_DIRECT 00040000
|
|
#endif
|
|
|
|
#ifndef O_DIRECTORY
|
|
#define O_DIRECTORY 00200000
|
|
#endif
|
|
|
|
#ifndef O_NOATIME
|
|
#define O_NOATIME 01000000
|
|
#endif
|
|
|
|
#ifndef O_TMPFILE
|
|
#define O_TMPFILE 020000000
|
|
#endif
|
|
|
|
#undef O_LARGEFILE
|
|
#define O_LARGEFILE 00100000
|
|
|
|
size_t open__scnprintf_flags(unsigned long flags, char *bf, size_t size)
|
|
{
|
|
int printed = 0;
|
|
|
|
if (flags == 0)
|
|
return scnprintf(bf, size, "RDONLY");
|
|
#define P_FLAG(n) \
|
|
if (flags & O_##n) { \
|
|
printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
|
|
flags &= ~O_##n; \
|
|
}
|
|
|
|
P_FLAG(RDWR);
|
|
P_FLAG(APPEND);
|
|
P_FLAG(ASYNC);
|
|
P_FLAG(CLOEXEC);
|
|
P_FLAG(CREAT);
|
|
P_FLAG(DIRECT);
|
|
P_FLAG(DIRECTORY);
|
|
P_FLAG(EXCL);
|
|
P_FLAG(LARGEFILE);
|
|
P_FLAG(NOFOLLOW);
|
|
P_FLAG(TMPFILE);
|
|
P_FLAG(NOATIME);
|
|
P_FLAG(NOCTTY);
|
|
#ifdef O_NONBLOCK
|
|
P_FLAG(NONBLOCK);
|
|
#elif O_NDELAY
|
|
P_FLAG(NDELAY);
|
|
#endif
|
|
#ifdef O_PATH
|
|
P_FLAG(PATH);
|
|
#endif
|
|
#ifdef O_DSYNC
|
|
if ((flags & O_SYNC) == O_SYNC)
|
|
printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", "SYNC");
|
|
else {
|
|
P_FLAG(DSYNC);
|
|
}
|
|
#else
|
|
P_FLAG(SYNC);
|
|
#endif
|
|
P_FLAG(TRUNC);
|
|
P_FLAG(WRONLY);
|
|
#undef P_FLAG
|
|
|
|
if (flags)
|
|
printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
|
|
|
|
return printed;
|
|
}
|
|
|
|
size_t syscall_arg__scnprintf_open_flags(char *bf, size_t size, struct syscall_arg *arg)
|
|
{
|
|
int flags = arg->val;
|
|
|
|
if (!(flags & O_CREAT))
|
|
arg->mask |= 1 << (arg->idx + 1); /* Mask the mode parm */
|
|
|
|
return open__scnprintf_flags(flags, bf, size);
|
|
}
|