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* external.cc (cygwin_internal): Implement CW_CMDLINE.

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* pinfo.h (SIGCOMMUNE): New signal type.
(commune_result): New structure for commune functions.
(picom): New enum for commune functions.
(_pinfo::hello_pid): New.  Pid who's communicating with me.
(_pinfo::tothem): New.  Handle of communicating pipe.
(_pinfo::fromthem): Ditto.
(_pinfo::commune_recv): Declare.
(_pinfo::commune_send): Declare.
(_pinfo::alive): Declare.
(_pinfo::cmdline): Declare.
(_pinfo::lock): Declare.
* pinfo.cc (set_myself): Initialize new _pinfo lock.
(_pinfo::alive): Define.  Determines if process still exists.
(_pinfo::commune_recv): Define.  Receive info from another cooperating process.
(_pinfo::commune_send): Define.  Send info to another cooperating process.
(_pinfo::cmdline): Define.  Determine command line of a given process.
* include/sys/cygwin.h (CW_CMDLINE): Define.
*sigproc.cc (talktome): Communicate with any processes who want to talk to me.
(wait_sig): Honor __SIGCOMMUNE.
* fhandler.cc (fhandler_virtual::fixup_after_exec): Declare.
* fhandler_proc.cc: Use malloc/free/realloc throughout rather than cmalloc
since buffers don't need to be propagated to subprocesses.
* fhandler_registry.cc: Ditto.
* fhandler_virtual.cc: Ditto.
(fhandler_virtual::fixup_after_exec): Define.
* fhandler_process.cc: Ditto for malloc/free/realloc.
(process_listin): Add "cmdline".
(fhandler_process::fill_filebuf): Implement PROCESS_CMDLINE.
* miscfuncs.cc (isalpha_array): New array populated with xor values for alpha
characters to switch from one case to another.
* string.h (cygwin_strcasematch): New asm implementation of case match.
* string.h (cygwin_nstrcasematch): New asm implementation of counted case
match.
This commit is contained in:
Christopher Faylor
2002-10-30 21:05:18 +00:00
parent 4c8eba2cf3
commit 831d6fa520
13 changed files with 434 additions and 38 deletions
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32
winsup/cygwin/fhandler_process.cc
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@ -42,6 +42,7 @@ static const int PROCESS_SID = 10;
static const int PROCESS_CTTY = 11;
static const int PROCESS_STAT = 12;
static const int PROCESS_STATM = 13;
static const int PROCESS_CMDLINE = 14;
static const char * const process_listing[] =
{
@ -59,6 +60,7 @@ static const char * const process_listing[] =
"ctty",
"stat",
"statm",
"cmdline",
NULL
};
@ -264,8 +266,7 @@ fhandler_process::fill_filebuf ()
case PROCESS_CTTY:
case PROCESS_PPID:
{
if (!filebuf)
filebuf = (char *) cmalloc (HEAP_BUF, bufalloc = 40);
filebuf = (char *) realloc (filebuf, bufalloc = 40);
int num;
switch (fileid)
{
@ -295,10 +296,18 @@ fhandler_process::fill_filebuf ()
filesize = strlen (filebuf);
break;
}
case PROCESS_CMDLINE:
{
if (filebuf)
free (filebuf);
filebuf = p->cmdline (filesize);
if (!*filebuf)
filebuf = strdup ("<defunct>");
break;
}
case PROCESS_EXENAME:
{
if (!filebuf)
filebuf = (char *) cmalloc (HEAP_BUF, bufalloc = MAX_PATH);
filebuf = (char *) realloc (filebuf, bufalloc = MAX_PATH);
if (p->process_state & (PID_ZOMBIE | PID_EXITED))
strcpy (filebuf, "<defunct>");
else
@ -317,8 +326,7 @@ fhandler_process::fill_filebuf ()
}
case PROCESS_WINPID:
{
if (!filebuf)
filebuf = (char *) cmalloc (HEAP_BUF, bufalloc = 40);
filebuf = (char *) realloc (filebuf, bufalloc = 40);
__small_sprintf (filebuf, "%d\n", p->dwProcessId);
filesize = strlen (filebuf);
break;
@ -326,8 +334,7 @@ fhandler_process::fill_filebuf ()
case PROCESS_WINEXENAME:
{
int len = strlen (p->progname);
if (!filebuf)
filebuf = (char *) cmalloc (HEAP_BUF, bufalloc = (len + 2));
filebuf = (char *) realloc (filebuf, bufalloc = (len + 2));
strcpy (filebuf, p->progname);
filebuf[len] = '\n';
filesize = len + 1;
@ -335,22 +342,19 @@ fhandler_process::fill_filebuf ()
}
case PROCESS_STATUS:
{
if (!filebuf)
filebuf = (char *) cmalloc (HEAP_BUF, bufalloc = 2048);
filebuf = (char *) realloc (filebuf, bufalloc = 2048);
filesize = format_process_status (*p, filebuf, bufalloc);
break;
}
case PROCESS_STAT:
{
if (!filebuf)
filebuf = (char *) cmalloc (HEAP_BUF, bufalloc = 2048);
filebuf = (char *) realloc (filebuf, bufalloc = 2048);
filesize = format_process_stat (*p, filebuf, bufalloc);
break;
}
case PROCESS_STATM:
{
if (!filebuf)
filebuf = (char *) cmalloc (HEAP_BUF, bufalloc = 2048);
filebuf = (char *) realloc (filebuf, bufalloc = 2048);
filesize = format_process_statm (*p, filebuf, bufalloc);
break;
}