1 /* fhandler_process.cc: fhandler for /proc/<pid> virtual filesystem
3 Copyright 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Red Hat, Inc.
5 This file is part of Cygwin.
7 This software is a copyrighted work licensed under the terms of the
8 Cygwin license. Please consult the file "CYGWIN_LICENSE" for
14 #include <sys/cygwin.h>
19 #include "fhandler_virtual.h"
21 #include "shared_info.h"
28 #include <sys/param.h>
32 #define _COMPILING_NEWLIB
35 static _off64_t format_process_maps (void *, char *&);
36 static _off64_t format_process_stat (void *, char *&);
37 static _off64_t format_process_status (void *, char *&);
38 static _off64_t format_process_statm (void *, char *&);
39 static _off64_t format_process_winexename (void *, char *&);
40 static _off64_t format_process_winpid (void *, char *&);
41 static _off64_t format_process_exename (void *, char *&);
42 static _off64_t format_process_root (void *, char *&);
43 static _off64_t format_process_cwd (void *, char *&);
44 static _off64_t format_process_cmdline (void *, char *&);
45 static _off64_t format_process_ppid (void *, char *&);
46 static _off64_t format_process_uid (void *, char *&);
47 static _off64_t format_process_pgid (void *, char *&);
48 static _off64_t format_process_sid (void *, char *&);
49 static _off64_t format_process_gid (void *, char *&);
50 static _off64_t format_process_ctty (void *, char *&);
51 static _off64_t format_process_fd (void *, char *&);
52 static _off64_t format_process_mounts (void *, char *&);
54 static const virt_tab_t process_tab[] =
56 { _VN ("."), FH_PROCESS, virt_directory, NULL },
57 { _VN (".."), FH_PROCESS, virt_directory, NULL },
58 { _VN ("cmdline"), FH_PROCESS, virt_file, format_process_cmdline },
59 { _VN ("ctty"), FH_PROCESS, virt_file, format_process_ctty },
60 { _VN ("cwd"), FH_PROCESS, virt_symlink, format_process_cwd },
61 { _VN ("exe"), FH_PROCESS, virt_symlink, format_process_exename },
62 { _VN ("exename"), FH_PROCESS, virt_file, format_process_exename },
63 { _VN ("fd"), FH_PROCESSFD, virt_directory, format_process_fd },
64 { _VN ("gid"), FH_PROCESS, virt_file, format_process_gid },
65 { _VN ("maps"), FH_PROCESS, virt_file, format_process_maps },
66 { _VN ("mounts"), FH_PROCESS, virt_file, format_process_mounts },
67 { _VN ("pgid"), FH_PROCESS, virt_file, format_process_pgid },
68 { _VN ("ppid"), FH_PROCESS, virt_file, format_process_ppid },
69 { _VN ("root"), FH_PROCESS, virt_symlink, format_process_root },
70 { _VN ("sid"), FH_PROCESS, virt_file, format_process_sid },
71 { _VN ("stat"), FH_PROCESS, virt_file, format_process_stat },
72 { _VN ("statm"), FH_PROCESS, virt_file, format_process_statm },
73 { _VN ("status"), FH_PROCESS, virt_file, format_process_status },
74 { _VN ("uid"), FH_PROCESS, virt_file, format_process_uid },
75 { _VN ("winexename"), FH_PROCESS, virt_file, format_process_winexename },
76 { _VN ("winpid"), FH_PROCESS, virt_file, format_process_winpid },
77 { NULL, 0, 0, virt_none, NULL }
80 static const int PROCESS_LINK_COUNT =
81 (sizeof (process_tab) / sizeof (virt_tab_t)) - 1;
83 static int get_process_state (DWORD dwProcessId);
84 static bool get_mem_values (DWORD dwProcessId, unsigned long *vmsize,
85 unsigned long *vmrss, unsigned long *vmtext,
86 unsigned long *vmdata, unsigned long *vmlib,
87 unsigned long *vmshare);
89 /* Returns 0 if path doesn't exist, >0 if path is a directory,
90 * -1 if path is a file, -2 if path is a symlink, -3 if path is a pipe,
91 * -4 if path is a socket.
94 fhandler_process::exists ()
96 const char *path = get_name ();
97 debug_printf ("exists (%s)", path);
99 while (*path != 0 && !isdirsep (*path))
104 virt_tab_t *entry = virt_tab_search (path + 1, true, process_tab,
108 if (!path[entry->name_len + 1])
110 fileid = entry - process_tab;
113 if (entry->type == virt_directory)
115 fileid = entry - process_tab;
118 /* Check for nameless device entries. */
119 path = strrchr (path, '/');
122 if (!strncmp (path, "pipe:[", 6))
124 else if (!strncmp (path, "socket:[", 8))
132 fhandler_process::fhandler_process ():
138 fhandler_process::fstat (struct __stat64 *buf)
140 const char *path = get_name ();
141 int file_type = exists ();
142 fhandler_base::fstat (buf);
143 path += proc_len + 1;
152 buf->st_mode &= ~_IFMT & NO_W;
161 buf->st_ctime = buf->st_mtime = buf->st_birthtime = p->start_time;
162 buf->st_ctim.tv_nsec = buf->st_mtim.tv_nsec
163 = buf->st_birthtim.tv_nsec = 0;
164 time_as_timestruc_t (&buf->st_atim);
165 buf->st_uid = p->uid;
166 buf->st_gid = p->gid;
167 buf->st_mode |= S_IFDIR | S_IXUSR | S_IXGRP | S_IXOTH;
174 buf->st_uid = p->uid;
175 buf->st_gid = p->gid;
176 buf->st_mode = S_IFLNK | S_IRWXU | S_IRWXG | S_IRWXO;
179 buf->st_uid = p->uid;
180 buf->st_gid = p->gid;
181 buf->st_mode = S_IFIFO | S_IRUSR | S_IWUSR;
184 buf->st_uid = p->uid;
185 buf->st_gid = p->gid;
186 buf->st_mode = S_IFSOCK | S_IRUSR | S_IWUSR;
190 buf->st_uid = p->uid;
191 buf->st_gid = p->gid;
192 buf->st_mode |= S_IFREG | S_IRUSR | S_IRGRP | S_IROTH;
198 fhandler_process::opendir (int fd)
200 DIR *dir = fhandler_virtual::opendir (fd);
201 if (dir && process_tab[fileid].fhandler == FH_PROCESSFD)
207 fhandler_process::readdir (DIR *dir, dirent *de)
210 if (process_tab[fileid].fhandler == FH_PROCESSFD)
212 if (dir->__d_position >= 2 + filesize / sizeof (int))
215 else if (dir->__d_position >= PROCESS_LINK_COUNT)
217 if (process_tab[fileid].fhandler == FH_PROCESSFD && dir->__d_position > 1)
219 int *p = (int *) filebuf;
220 __small_sprintf (de->d_name, "%d", p[dir->__d_position++ - 2]);
223 strcpy (de->d_name, process_tab[dir->__d_position++].name);
224 dir->__flags |= dirent_saw_dot | dirent_saw_dot_dot;
227 syscall_printf ("%d = readdir (%p, %p) (%s)", res, dir, de, de->d_name);
232 fhandler_process::open (int flags, mode_t mode)
234 int res = fhandler_virtual::open (flags, mode);
241 path = get_name () + proc_len + 1;
243 while (*path != 0 && !isdirsep (*path))
248 if ((flags & (O_CREAT | O_EXCL)) == (O_CREAT | O_EXCL))
254 else if (flags & O_WRONLY)
268 entry = virt_tab_search (path + 1, true, process_tab, PROCESS_LINK_COUNT);
271 set_errno ((flags & O_CREAT) ? EROFS : ENOENT);
275 if (entry->fhandler == FH_PROCESSFD)
280 if (flags & O_WRONLY)
287 fileid = entry - process_tab;
288 if (!fill_filebuf ())
294 if (flags & O_APPEND)
301 set_flags ((flags & ~O_TEXT) | O_BINARY);
304 syscall_printf ("%d = fhandler_proc::open (%p, %d)", res, flags, mode);
308 struct process_fd_t {
314 fhandler_process::fill_filebuf ()
317 path = get_name () + proc_len + 1;
329 if (process_tab[fileid].format_func)
331 if (process_tab[fileid].fhandler == FH_PROCESSFD)
333 process_fd_t fd = { path, p };
334 filesize = process_tab[fileid].format_func (&fd, filebuf);
337 filesize = process_tab[fileid].format_func (p, filebuf);
338 return !filesize ? false : true;
344 format_process_fd (void *data, char *&destbuf)
346 _pinfo *p = ((process_fd_t *) data)->p;
347 const char *path = ((process_fd_t *) data)->path;
349 char *fdp = strrchr (path, '/');
351 if (!fdp || *++fdp == 'f') /* The "fd" directory itself. */
355 destbuf = p->fds (fs);
362 if (fd < 0 || (fd == 0 && !isdigit (*fdp)))
367 destbuf = p->fd (fd, fs);
368 if (!destbuf || !*destbuf)
378 format_process_ppid (void *data, char *&destbuf)
380 _pinfo *p = (_pinfo *) data;
381 destbuf = (char *) crealloc_abort (destbuf, 40);
382 return __small_sprintf (destbuf, "%d\n", p->ppid);
386 format_process_uid (void *data, char *&destbuf)
388 _pinfo *p = (_pinfo *) data;
389 destbuf = (char *) crealloc_abort (destbuf, 40);
390 return __small_sprintf (destbuf, "%d\n", p->uid);
394 format_process_pgid (void *data, char *&destbuf)
396 _pinfo *p = (_pinfo *) data;
397 destbuf = (char *) crealloc_abort (destbuf, 40);
398 return __small_sprintf (destbuf, "%d\n", p->pgid);
402 format_process_sid (void *data, char *&destbuf)
404 _pinfo *p = (_pinfo *) data;
405 destbuf = (char *) crealloc_abort (destbuf, 40);
406 return __small_sprintf (destbuf, "%d\n", p->sid);
410 format_process_gid (void *data, char *&destbuf)
412 _pinfo *p = (_pinfo *) data;
413 destbuf = (char *) crealloc_abort (destbuf, 40);
414 return __small_sprintf (destbuf, "%d\n", p->gid);
418 format_process_ctty (void *data, char *&destbuf)
420 _pinfo *p = (_pinfo *) data;
421 destbuf = (char *) crealloc_abort (destbuf, 40);
422 return __small_sprintf (destbuf, "%d\n", p->ctty);
426 format_process_root (void *data, char *&destbuf)
428 _pinfo *p = (_pinfo *) data;
436 destbuf = p->root (fs);
437 if (!destbuf || !*destbuf)
439 destbuf = cstrdup ("<defunct>");
440 fs = strlen (destbuf) + 1;
446 format_process_cwd (void *data, char *&destbuf)
448 _pinfo *p = (_pinfo *) data;
456 destbuf = p->cwd (fs);
457 if (!destbuf || !*destbuf)
459 destbuf = cstrdup ("<defunct>");
460 fs = strlen (destbuf) + 1;
466 format_process_cmdline (void *data, char *&destbuf)
468 _pinfo *p = (_pinfo *) data;
476 destbuf = p->cmdline (fs);
477 if (!destbuf || !*destbuf)
479 destbuf = cstrdup ("<defunct>");
480 fs = strlen (destbuf) + 1;
486 format_process_exename (void *data, char *&destbuf)
488 _pinfo *p = (_pinfo *) data;
492 char *buf = tp.c_get ();
493 if (p->process_state & PID_EXITED)
494 stpcpy (buf, "<defunct>");
497 mount_table->conv_to_posix_path (p->progname, buf, 1);
501 char *s = buf + len - 4;
502 if (ascii_strcasematch (s, ".exe"))
506 destbuf = (char *) crealloc_abort (destbuf, (len = strlen (buf)) + 1);
507 stpcpy (destbuf, buf);
512 format_process_winpid (void *data, char *&destbuf)
514 _pinfo *p = (_pinfo *) data;
515 destbuf = (char *) crealloc_abort (destbuf, 20);
516 return __small_sprintf (destbuf, "%d\n", p->dwProcessId);
520 format_process_winexename (void *data, char *&destbuf)
522 _pinfo *p = (_pinfo *) data;
523 size_t len = sys_wcstombs (NULL, 0, p->progname);
524 destbuf = (char *) crealloc_abort (destbuf, len + 1);
525 sys_wcstombs (destbuf, len, p->progname);
531 format_process_maps (void *data, char *&destbuf)
533 _pinfo *p = (_pinfo *) data;
534 HANDLE proc = OpenProcess (PROCESS_QUERY_INFORMATION | PROCESS_VM_READ,
544 DWORD_PTR *workingset = NULL;
548 PWCHAR modname = tp.w_get ();
549 char *posix_modname = tp.c_get ();
557 if (!EnumProcessModules (proc, NULL, 0, &needed))
563 modules = (HMODULE*) alloca (needed);
564 if (!EnumProcessModules (proc, modules, needed, &needed))
571 QueryWorkingSet (proc, (void *) &wset_size, sizeof wset_size);
572 if (GetLastError () == ERROR_BAD_LENGTH)
574 workingset = (DWORD_PTR *) alloca (sizeof (DWORD_PTR) * ++wset_size);
575 if (!QueryWorkingSet (proc, (void *) workingset,
576 sizeof (DWORD_PTR) * wset_size))
579 for (i = 0; i < needed / sizeof (HMODULE); i++)
580 if (GetModuleInformation (proc, modules[i], &info, sizeof info)
581 && GetModuleFileNameExW (proc, modules[i], modname, NT_MAX_PATH))
584 strcpy (access, "r--p");
586 if (mount_table->conv_to_posix_path (modname, posix_modname, 0))
587 sys_wcstombs (posix_modname, NT_MAX_PATH, modname);
588 if (stat64 (posix_modname, &st))
593 size_t newlen = strlen (posix_modname) + 62;
594 if (len + newlen >= maxsize)
595 destbuf = (char *) crealloc_abort (destbuf,
596 maxsize += roundup2 (newlen, 2048));
598 for (unsigned i = 1; i <= wset_size; ++i)
600 DWORD_PTR addr = workingset[i] & 0xfffff000UL;
601 if ((char *)addr >= info.lpBaseOfDll
602 && (char *)addr < (char *)info.lpBaseOfDll + info.SizeOfImage)
604 access[0] = (workingset[i] & 0x5) ? 'r' : '-';
605 access[1] = (workingset[i] & 0x4) ? 'w' : '-';
606 access[2] = (workingset[i] & 0x2) ? 'x' : '-';
607 access[3] = (workingset[i] & 0x100) ? 's' : 'p';
610 int written = __small_sprintf (destbuf + len,
611 "%08lx-%08lx %s %08lx %04x:%04x %U ",
613 (unsigned long)info.lpBaseOfDll
621 destbuf[len + written++] = ' ';
623 len += __small_sprintf (destbuf + len, "%s\n", posix_modname);
631 format_process_stat (void *data, char *&destbuf)
633 _pinfo *p = (_pinfo *) data;
634 char cmd[NAME_MAX + 1];
635 WCHAR wcmd[NAME_MAX + 1];
637 unsigned long fault_count = 0UL,
638 utime = 0UL, stime = 0UL,
640 vmsize = 0UL, vmrss = 0UL, vmmaxrss = 0UL;
642 if (p->process_state & PID_EXITED)
643 strcpy (cmd, "<defunct>");
646 PWCHAR last_slash = wcsrchr (p->progname, L'\\');
647 wcscpy (wcmd, last_slash ? last_slash + 1 : p->progname);
648 sys_wcstombs (cmd, NAME_MAX + 1, wcmd);
649 int len = strlen (cmd);
652 char *s = cmd + len - 4;
653 if (ascii_strcasematch (s, ".exe"))
658 * Note: under Windows, a _process_ is always running - it's only _threads_
659 * that get suspended. Therefore the default state is R (runnable).
661 if (p->process_state & PID_EXITED)
663 else if (p->process_state & PID_STOPPED)
666 state = get_process_state (p->dwProcessId);
667 start_time = (GetTickCount () / 1000 - time (NULL) + p->start_time) * HZ;
672 KERNEL_USER_TIMES put;
673 PROCESS_BASIC_INFORMATION pbi;
675 SYSTEM_TIME_OF_DAY_INFORMATION stodi;
676 SYSTEM_PROCESSOR_TIMES spt;
677 hProcess = OpenProcess (PROCESS_VM_READ | PROCESS_QUERY_INFORMATION,
678 FALSE, p->dwProcessId);
679 if (hProcess != NULL)
681 ret = NtQueryInformationProcess (hProcess,
685 if (ret == STATUS_SUCCESS)
686 ret = NtQueryInformationProcess (hProcess,
690 if (ret == STATUS_SUCCESS)
691 ret = NtQueryInformationProcess (hProcess,
692 ProcessBasicInformation,
695 if (ret == STATUS_SUCCESS)
696 ret = NtQueryInformationProcess (hProcess,
700 CloseHandle (hProcess);
704 DWORD error = GetLastError ();
705 __seterrno_from_win_error (error);
706 debug_printf ("OpenProcess: ret %d", error);
709 if (ret == STATUS_SUCCESS)
710 ret = NtQuerySystemInformation (SystemTimeOfDayInformation,
713 if (ret == STATUS_SUCCESS)
714 ret = NtQuerySystemInformation (SystemProcessorTimes,
717 if (ret != STATUS_SUCCESS)
719 __seterrno_from_nt_status (ret);
720 debug_printf ("NtQueryInformationProcess: ret %d, Dos(ret) %E", ret);
723 fault_count = vmc.PageFaultCount;
724 utime = put.UserTime.QuadPart * HZ / 10000000ULL;
725 stime = put.KernelTime.QuadPart * HZ / 10000000ULL;
727 if (stodi.CurrentTime.QuadPart > put.CreateTime.QuadPart)
728 start_time = (spt.KernelTime.QuadPart + spt.UserTime.QuadPart -
729 stodi.CurrentTime.QuadPart + put.CreateTime.QuadPart) * HZ / 10000000ULL;
732 * sometimes stodi.CurrentTime is a bit behind
733 * Note: some older versions of procps are broken and can't cope
734 * with process start times > time(NULL).
736 start_time = (spt.KernelTme.QuadPart + spt.UserTime.QuadPart) * HZ / 10000000ULL;
738 priority = pbi.BasePriority;
739 unsigned page_size = getsystempagesize ();
740 vmsize = vmc.PagefileUsage;
741 vmrss = vmc.WorkingSetSize / page_size;
742 vmmaxrss = ql.MaximumWorkingSetSize / page_size;
744 destbuf = (char *) crealloc_abort (destbuf, strlen (cmd) + 320);
745 return __small_sprintf (destbuf, "%d (%s) %c "
747 "%lu %lu %lu %lu %lu %lu %lu "
748 "%ld %ld %ld %ld %ld %ld "
754 p->ppid, p->pgid, p->sid, makedev (FH_TTYS, p->ctty),
755 -1, 0, fault_count, fault_count, 0, 0, utime, stime,
756 utime, stime, priority, 0, 0, 0,
763 format_process_status (void *data, char *&destbuf)
765 _pinfo *p = (_pinfo *) data;
766 char cmd[NAME_MAX + 1];
767 WCHAR wcmd[NAME_MAX + 1];
769 const char *state_str = "unknown";
770 unsigned long vmsize = 0UL, vmrss = 0UL, vmdata = 0UL, vmlib = 0UL, vmtext = 0UL,
772 if (p->process_state & PID_EXITED)
773 strcpy (cmd, "<defunct>");
776 PWCHAR last_slash = wcsrchr (p->progname, L'\\');
777 wcscpy (wcmd, last_slash ? last_slash + 1 : p->progname);
778 sys_wcstombs (cmd, NAME_MAX + 1, wcmd);
779 int len = strlen (cmd);
782 char *s = cmd + len - 4;
783 if (ascii_strcasematch (s, ".exe"))
788 * Note: under Windows, a _process_ is always running - it's only _threads_
789 * that get suspended. Therefore the default state is R (runnable).
791 if (p->process_state & PID_EXITED)
793 else if (p->process_state & PID_STOPPED)
796 state = get_process_state (p->dwProcessId);
800 state_str = "running";
804 state_str = "sleeping";
807 state_str = "runnable";
810 state_str = "zombie";
813 state_str = "stopped";
816 if (!get_mem_values (p->dwProcessId, &vmsize, &vmrss, &vmtext, &vmdata,
819 unsigned page_size = getsystempagesize ();
820 vmsize *= page_size; vmrss *= page_size; vmdata *= page_size;
821 vmtext *= page_size; vmlib *= page_size;
822 // The real uid value for *this* process is stored at cygheap->user.real_uid
823 // but we can't get at the real uid value for any other process, so
824 // just fake it as p->uid. Similar for p->gid.
825 destbuf = (char *) crealloc_abort (destbuf, strlen (cmd) + 320);
826 return __small_sprintf (destbuf, "Name:\t%s\n"
831 "Uid:\t%d %d %d %d\n"
832 "Gid:\t%d %d %d %d\n"
848 p->uid, p->uid, p->uid, p->uid,
849 p->gid, p->gid, p->gid, p->gid,
850 vmsize >> 10, 0, vmrss >> 10, vmdata >> 10, 0,
851 vmtext >> 10, vmlib >> 10,
852 0, 0, _my_tls.sigmask
857 format_process_statm (void *data, char *&destbuf)
859 _pinfo *p = (_pinfo *) data;
860 unsigned long vmsize = 0UL, vmrss = 0UL, vmtext = 0UL, vmdata = 0UL,
861 vmlib = 0UL, vmshare = 0UL;
862 if (!get_mem_values (p->dwProcessId, &vmsize, &vmrss, &vmtext, &vmdata,
865 destbuf = (char *) crealloc_abort (destbuf, 96);
866 return __small_sprintf (destbuf, "%ld %ld %ld %ld %ld %ld %ld",
867 vmsize, vmrss, vmshare, vmtext, vmlib, vmdata, 0);
871 FILE *setmntent (const char *, const char *);
872 struct mntent *getmntent (FILE *);
876 format_process_mounts (void *data, char *&destbuf)
878 _pinfo *p = (_pinfo *) data;
879 user_info *u_shared = NULL;
884 if (p->pid != myself->pid)
886 WCHAR sid_string[UNLEN + 1] = L""; /* Large enough for SID */
890 if (!p_sid.getfrompw (internal_getpwuid (p->uid)))
892 p_sid.string (sid_string);
893 u_shared = (user_info *) open_shared (sid_string, USER_VERSION, u_hdl,
894 sizeof (user_info), SH_JUSTOPEN,
900 u_shared = user_shared;
902 /* Store old value of _my_tls.locals here. */
903 int iteration = _my_tls.locals.iteration;
904 unsigned available_drives = _my_tls.locals.available_drives;
905 /* This reinitializes the above values in _my_tls. */
906 setmntent (NULL, NULL);
907 while ((mnt = getmntent (NULL)))
909 destbuf = (char *) crealloc_abort (destbuf, len
910 + strlen (mnt->mnt_fsname)
911 + strlen (mnt->mnt_dir)
912 + strlen (mnt->mnt_type)
913 + strlen (mnt->mnt_opts)
915 len += __small_sprintf (destbuf + len, "%s %s %s %s %d %d\n",
916 mnt->mnt_fsname, mnt->mnt_dir, mnt->mnt_type,
917 mnt->mnt_opts, mnt->mnt_freq, mnt->mnt_passno);
919 /* Restore old value of _my_tls.locals here. */
920 _my_tls.locals.iteration = iteration;
921 _my_tls.locals.available_drives = available_drives;
923 if (u_hdl) /* Only not-NULL if open_shared has been called. */
925 UnmapViewOfFile (u_shared);
932 get_process_state (DWORD dwProcessId)
935 * This isn't really heavy magic - just go through the processes'
936 * threads one by one and return a value accordingly
937 * Errors are silently ignored.
940 SYSTEM_PROCESSES *sp;
942 PULONG p = new ULONG[n];
944 while (STATUS_INFO_LENGTH_MISMATCH ==
945 (ret = NtQuerySystemInformation (SystemProcessesAndThreadsInformation,
947 n * sizeof *p, NULL)))
948 delete [] p, p = new ULONG[n *= 2];
949 if (ret != STATUS_SUCCESS)
951 debug_printf ("NtQuerySystemInformation: ret %d, Dos(ret) %d",
952 ret, RtlNtStatusToDosError (ret));
956 sp = (SYSTEM_PROCESSES *) p;
959 if (sp->ProcessId == dwProcessId)
962 if (wincap.has_process_io_counters ())
964 * Windows 2000 and XP have an extra member in SYSTEM_PROCESSES
965 * which means the offset of the first SYSTEM_THREADS entry is
966 * different on these operating systems compared to NT 4.
968 st = &sp->Threads[0];
971 * 136 is the offset of the first SYSTEM_THREADS entry on
974 st = (SYSTEM_THREADS *) ((char *) sp + 136);
976 for (unsigned i = 0; i < sp->ThreadCount; i++)
978 if (st->State == StateRunning ||
979 st->State == StateReady)
988 if (!sp->NextEntryDelta)
990 sp = (SYSTEM_PROCESSES *) ((char *) sp + sp->NextEntryDelta);
998 get_mem_values (DWORD dwProcessId, unsigned long *vmsize, unsigned long *vmrss,
999 unsigned long *vmtext, unsigned long *vmdata,
1000 unsigned long *vmlib, unsigned long *vmshare)
1006 MEMORY_WORKING_SET_LIST *mwsl;
1007 ULONG n = 0x4000, length;
1008 PMEMORY_WORKING_SET_LIST p = (PMEMORY_WORKING_SET_LIST) malloc (n);
1009 unsigned page_size = getsystempagesize ();
1010 hProcess = OpenProcess (PROCESS_QUERY_INFORMATION,
1011 FALSE, dwProcessId);
1012 if (hProcess == NULL)
1015 debug_printf ("OpenProcess, %E");
1020 ret = NtQueryVirtualMemory (hProcess, 0, MemoryWorkingSetList,
1021 (PVOID) p, n, (length = ULONG_MAX, &length));
1022 if (ret == STATUS_INFO_LENGTH_MISMATCH
1023 || (!NT_SUCCESS (ret) && length > n))
1025 ret = STATUS_INFO_LENGTH_MISMATCH;
1027 PMEMORY_WORKING_SET_LIST new_p = (PMEMORY_WORKING_SET_LIST)
1034 while (!NT_SUCCESS (ret));
1035 if (!NT_SUCCESS (ret))
1037 debug_printf ("NtQueryVirtualMemory: ret %p", ret);
1038 __seterrno_from_nt_status (ret);
1041 mwsl = (MEMORY_WORKING_SET_LIST *) p;
1042 for (unsigned long i = 0; i < mwsl->NumberOfPages; i++)
1045 unsigned flags = mwsl->WorkingSetList[i] & 0x0FFF;
1046 if ((flags & (WSLE_PAGE_EXECUTE | WSLE_PAGE_SHAREABLE))
1047 == (WSLE_PAGE_EXECUTE | WSLE_PAGE_SHAREABLE))
1049 else if (flags & WSLE_PAGE_SHAREABLE)
1051 else if (flags & WSLE_PAGE_EXECUTE)
1056 ret = NtQueryInformationProcess (hProcess, ProcessVmCounters, (PVOID) &vmc,
1058 if (!NT_SUCCESS (ret))
1060 debug_printf ("NtQueryInformationProcess: ret %p", ret);
1061 __seterrno_from_nt_status (ret);
1064 *vmsize = vmc.PagefileUsage / page_size;
1068 CloseHandle (hProcess);