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* strace.cc: Throughout, track information like start_time, etc. on a

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per-process basis.
This commit is contained in:
Christopher Faylor 2000-03-13 02:23:47 +00:00
parent 3f0b493540
commit 22fe0c41ec
2 changed files with 36 additions and 28 deletions
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5
winsup/utils/ChangeLog
View File

@ -1,3 +1,8 @@
Sun Mar 12 21:22:25 2000 Christopher Faylor <cgf@cygnus.com>
* strace.cc: Throughout, track information like start_time, etc. on a
per-process basis.
Sun Feb 27 23:37:32 2000 Christopher Faylor <cgf@cygnus.com>
* strace.cc (handle_output_debug_string): Parse strace output to allow

59
winsup/utils/strace.cc
View File

@ -23,10 +23,16 @@ struct child_list
{
DWORD id;
HANDLE hproc;
int saw_stars;
char nfields;
long long start_time;
DWORD last_usecs;
struct child_list *next;
child_list () : id (0), hproc (NULL), saw_stars (0), nfields (0),
start_time (0), last_usecs (0), next (NULL) {}
};
child_list children = {0, NULL, NULL};
child_list children;
static void
warn (int geterrno, const char *fmt, ...)
@ -84,13 +90,13 @@ add_child (DWORD id, HANDLE hproc)
lasth = children.next->hproc;
}
static HANDLE
get_child_handle (DWORD id)
static child_list *
get_child (DWORD id)
{
child_list *c;
for (c = &children; (c = c->next) != NULL; )
if (c->id == id)
return c->hproc;
return c;
error (0, "no process id %d found", id);
}
@ -317,12 +323,9 @@ handle_output_debug_string (DWORD id, LPVOID p, unsigned mask, FILE *ofile)
int special;
char alen[3 + 8 + 1];
DWORD nbytes;
HANDLE hchild = get_child_handle (id);
child_list *child = get_child (id);
HANDLE hchild = child->hproc;
#define INTROLEN (sizeof (alen) - 1)
static int saw_stars = 0;
static char nfields = 0;
static long long start_time;
static DWORD last_usecs;
if (id == lastid && hchild != lasth)
warn (0, "%p != %p", hchild, lasth);
@ -402,71 +405,71 @@ handle_output_debug_string (DWORD id, LPVOID p, unsigned mask, FILE *ofile)
usecs = dusecs;
}
if (saw_stars == 0)
if (child->saw_stars == 0)
{
FILETIME st;
char *news;
GetSystemTimeAsFileTime (&st);
FileTimeToLocalFileTime (&st, &st);
start_time = st.dwHighDateTime;
start_time <<= 32;
start_time |= st.dwLowDateTime;
child->start_time = st.dwHighDateTime;
child->start_time <<= 32;
child->start_time |= st.dwLowDateTime;
if (*(news = ptrest) != '[')
saw_stars = 2;
child->saw_stars = 2;
else
{
saw_stars++;
child->saw_stars++;
while ((news = strchr (news, ' ')) != NULL && *++news != '*')
nfields++;
child->nfields++;
if (news == NULL)
saw_stars++;
child->saw_stars++;
else
{
s = news;
nfields++;
child->nfields++;
}
}
}
else if (saw_stars < 2)
else if (child->saw_stars < 2)
{
int i;
char *news;
if (*(news = ptrest) != '[')
saw_stars = 2;
child->saw_stars = 2;
else
{
for (i = 0; i < nfields; i++)
for (i = 0; i < child->nfields; i++)
if ((news = strchr (news, ' ')) == NULL)
break; // Should never happen
else
news++;
if (news == NULL)
saw_stars = 2;
child->saw_stars = 2;
else
{
s = news;
if (*s == '*')
{
SYSTEMTIME *st = syst (start_time);
SYSTEMTIME *st = syst (child->start_time);
fprintf (ofile, "Date/Time: %d-%02d-%02d %02d:%02d:%02d\n",
st->wYear, st->wMonth, st->wDay, st->wHour, st->wMinute, st->wSecond);
saw_stars++;
child->saw_stars++;
}
}
}
}
long long d = usecs - last_usecs;
long long d = usecs - child->last_usecs;
char intbuf[40];
if (saw_stars < 2 || s != origs)
if (child->saw_stars < 2 || s != origs)
/* Nothing */;
else if (hhmmss)
{
s = ptrest - 9;
SYSTEMTIME *st = syst (start_time + (long long) usecs * 10);
SYSTEMTIME *st = syst (child->start_time + (long long) usecs * 10);
sprintf (s, "%02d:%02d:%02d", st->wHour, st->wMinute, st->wSecond);
*strchr (s, '\0') = ' ';
}
@ -481,7 +484,7 @@ handle_output_debug_string (DWORD id, LPVOID p, unsigned mask, FILE *ofile)
memcpy ((s -= len), intbuf, len);
}
last_usecs = usecs;
child->last_usecs = usecs;
if (numerror || !output_winerror (ofile, s))
fputs (s, ofile);
fflush (ofile);