Adding upstream version 2:4.0.4.upstream/2%4.0.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 512 insertions, 0 deletions

diff --git a/src/ps/common.h b/src/ps/common.h
new file mode 100644
index 0000000..ea49a03
--- /dev/null
+++ b/src/ps/common.h
@@ -0,0 +1,512 @@
+/*
+ * common.h - shared header file
+ *
+ * Copyright © 2015-2023 Jim Warner <james.warner@comcast.net
+ * Copyright © 2004-2023 Craig Small <csmall@dropbear.xyz>
+ * Copyright © 1998-2002 Albert Cahalan
+ *
+ * This file may be used subject to the terms and conditions of the
+ * GNU Library General Public License Version 2, or any later version
+ * at your option, as published by the Free Software Foundation.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Library General Public License for more details.
+ */
+
+#ifndef PROCPS_PS_H
+#define PROCPS_PS_H
+
+#include <stdbool.h>
+
+#include "nls.h"
+#include "meminfo.h"
+#include "misc.h"
+#include "pids.h"
+#include "stat.h"
+
+// --- <pids> interface begin ||||||||||||||||||||||||||||||||||||||||||||
+// -----------------------------------------------------------------------
+
+// hack to minimize code impact
+#undef  proc_t
+#define proc_t  struct pids_stack
+
+/* this is for allocation of the Pids_items and represents a compromise.
+   we can't predict how many fields will actually be requested yet there
+   are numerous duplicate format_array entries. here are the statistics:
+       252  entries in the format_array
+        82  of those entries are unique
+        60  equals a former proc_t size
+   in reality, only a small portion of the stack depth will be occupied,
+   and the excess represents storage cost only, not a run-time cpu cost! */
+#define PIDSITEMS  70
+
+/* a 'results stack value' extractor macro
+   where: E=rel enum, T=data type, S=stack */
+#define rSv(E,T,S) PIDS_VAL(rel_ ## E, T, S, Pids_info)
+
+#define namREL(e) rel_ ## e
+#define makEXT(e) extern int namREL(e);
+#define makREL(e) int namREL(e) = -1;
+#define chkREL(e) if (namREL(e) < 0) { \
+      Pids_items[Pids_index] = PIDS_ ## e; \
+      namREL(e) = (Pids_index < PIDSITEMS) ? Pids_index++ : rel_noop; }
+
+#define setREL1(e) { \
+  if (!outbuf) { \
+    chkREL(e) \
+    return 0; \
+  } }
+#define setREL2(e1,e2) { \
+  if (!outbuf) { \
+    chkREL(e1) chkREL(e2) \
+    return 0; \
+  } }
+#define setREL3(e1,e2,e3) { \
+  if (!outbuf) { \
+    chkREL(e1) chkREL(e2) chkREL(e3) \
+    return 0; \
+  } }
+#define setREL4(e1,e2,e3,e4) { \
+  if (!outbuf) { \
+    chkREL(e1) chkREL(e2) chkREL(e3) chkREL(e4) \
+    return 0; \
+  } }
+
+extern struct pids_info *Pids_info;
+extern enum pids_item   *Pids_items;
+extern int               Pids_index;
+
+// most of these need not be extern, they're unique to output.c
+// (but for future flexibility the easiest path has been taken)
+makEXT(ADDR_CODE_END)
+makEXT(ADDR_CODE_START)
+makEXT(ADDR_CURR_EIP)
+makEXT(ADDR_CURR_ESP)
+makEXT(ADDR_STACK_START)
+makEXT(AUTOGRP_ID)
+makEXT(AUTOGRP_NICE)
+makEXT(CGNAME)
+makEXT(CGROUP)
+makEXT(CMD)
+makEXT(CMDLINE)
+makEXT(ENVIRON)
+makEXT(EXE)
+makEXT(FLAGS)
+makEXT(FLT_MAJ)
+makEXT(FLT_MAJ_C)
+makEXT(FLT_MIN)
+makEXT(FLT_MIN_C)
+makEXT(ID_EGID)
+makEXT(ID_EGROUP)
+makEXT(ID_EUID)
+makEXT(ID_EUSER)
+makEXT(ID_FGID)
+makEXT(ID_FGROUP)
+makEXT(ID_FUID)
+makEXT(ID_FUSER)
+makEXT(ID_LOGIN)
+makEXT(ID_PGRP)
+makEXT(ID_PID)
+makEXT(ID_PPID)
+makEXT(ID_RGID)
+makEXT(ID_RGROUP)
+makEXT(ID_RUID)
+makEXT(ID_RUSER)
+makEXT(ID_SESSION)
+makEXT(ID_SGID)
+makEXT(ID_SGROUP)
+makEXT(ID_SUID)
+makEXT(ID_SUSER)
+makEXT(ID_TGID)
+makEXT(ID_TPGID)
+makEXT(IO_READ_BYTES)
+makEXT(IO_READ_CHARS)
+makEXT(IO_READ_OPS)
+makEXT(IO_WRITE_BYTES)
+makEXT(IO_WRITE_CBYTES)
+makEXT(IO_WRITE_CHARS)
+makEXT(IO_WRITE_OPS)
+makEXT(LXCNAME)
+makEXT(NICE)
+makEXT(NLWP)
+makEXT(NS_CGROUP)
+makEXT(NS_IPC)
+makEXT(NS_MNT)
+makEXT(NS_NET)
+makEXT(NS_PID)
+makEXT(NS_TIME)
+makEXT(NS_USER)
+makEXT(NS_UTS)
+makEXT(OOM_ADJ)
+makEXT(OOM_SCORE)
+makEXT(PRIORITY)
+makEXT(PRIORITY_RT)
+makEXT(PROCESSOR)
+makEXT(PROCESSOR_NODE)
+makEXT(RSS)
+makEXT(RSS_RLIM)
+makEXT(SCHED_CLASS)
+makEXT(SD_MACH)
+makEXT(SD_OUID)
+makEXT(SD_SEAT)
+makEXT(SD_SESS)
+makEXT(SD_SLICE)
+makEXT(SD_UNIT)
+makEXT(SD_UUNIT)
+makEXT(SIGBLOCKED)
+makEXT(SIGCATCH)
+makEXT(SIGIGNORE)
+makEXT(SIGNALS)
+makEXT(SIGPENDING)
+makEXT(SMAP_PRV_TOTAL)
+makEXT(SMAP_PSS)
+makEXT(STATE)
+makEXT(SUPGIDS)
+makEXT(SUPGROUPS)
+makEXT(TICS_ALL)
+makEXT(TICS_ALL_C)
+makEXT(TIME_ALL)
+makEXT(TIME_ELAPSED)
+makEXT(TICS_BEGAN)
+makEXT(TTY)
+makEXT(TTY_NAME)
+makEXT(TTY_NUMBER)
+makEXT(UTILIZATION)
+makEXT(UTILIZATION_C)
+makEXT(VM_DATA)
+makEXT(VM_RSS_LOCKED)
+makEXT(VM_RSS)
+makEXT(VM_SIZE)
+makEXT(VM_STACK)
+makEXT(VSIZE_BYTES)
+makEXT(WCHAN_NAME)
+makEXT(extra)
+makEXT(noop)
+// -----------------------------------------------------------------------
+// --- <pids> interface end ||||||||||||||||||||||||||||||||||||||||||||||
+
+
+#if TRACE
+#define trace(...) fprintf(stderr, __VA_ARGS__)
+#else
+#define trace(...)
+#endif
+
+
+/***************** GENERAL DEFINE ********************/
+
+/* selection list */
+#define SEL_RUID 1
+#define SEL_EUID 2
+#define SEL_SUID 3
+#define SEL_FUID 4
+#define SEL_RGID 5
+#define SEL_EGID 6
+#define SEL_SGID 7
+#define SEL_FGID 8
+#define SEL_PGRP 9
+#define SEL_PID  10
+#define SEL_TTY  11
+#define SEL_SESS 12
+#define SEL_COMM 13
+#define SEL_PPID 14
+#define SEL_PID_QUICK 15
+
+/* Since an enum could be smashed by a #define, it would be bad. */
+#define U98  0 /* Unix98 standard */    /* This must be 0 */
+#define XXX  1 /* Common extension */
+#define DEC  2 /* Digital Unix */
+#define AIX  3 /* AIX */
+#define SCO  4 /* SCO */
+#define LNX  5 /* Linux original :-) */
+#define BSD  6 /* FreeBSD and OpenBSD */
+#define SUN  7 /* SunOS 5 (Solaris) */
+#define HPU  8 /* HP-UX */
+#define SGI  9 /* Irix */
+#define SOE 10 /* IBM's S/390 OpenEdition */
+#define TST 11 /* test code */
+
+/*
+ * Try not to overflow the output buffer:
+ *    32 pages for env+cmd
+ *    64 kB pages on IA-64
+ *    plus some slack for other stuff
+ * That is about 8.5 MB on IA-64, or 0.6 MB on i386
+ *
+ * Sadly, current kernels only supply one page of env/command data.
+ * The buffer is now protected with a guard page, and via other means
+ * to avoid hitting the guard page.
+ */
+
+/* output buffer size */
+#define OUTBUF_SIZE (2 * 64*1024)
+
+/******************* PS DEFINE *******************/
+
+// Column flags
+// Justification control for flags field comes first.
+#define CF_JUST_MASK                0x0f
+//      CF_AIXHACK                     0
+#define CF_USER                        1 // left if text, right if numeric
+#define CF_LEFT                        2
+#define CF_RIGHT                       3
+#define CF_UNLIMITED                   4
+#define CF_WCHAN                       5 // left if text, right if numeric
+#define CF_SIGNAL                      6 // right in 9, or 16 if screen_cols>107
+// Then the other flags
+#define CF_PIDMAX             0x00000010 // react to pid_max
+// Only one allowed; use separate bits to catch errors.
+#define CF_PRINT_THREAD_ONLY  0x10000000
+#define CF_PRINT_PROCESS_ONLY 0x20000000
+#define CF_PRINT_EVERY_TIME   0x40000000
+#define CF_PRINT_AS_NEEDED    0x80000000 // means we have no clue, so assume EVERY TIME
+#define CF_PRINT_MASK         0xf0000000
+
+/* thread_flags */
+#define TF_B_H         0x0001
+#define TF_B_m         0x0002
+#define TF_U_m         0x0004
+#define TF_U_T         0x0008
+#define TF_U_L         0x0010
+#define TF_show_proc   0x0100  // show the summary line
+#define TF_show_task   0x0200  // show the per-thread lines
+#define TF_show_both   0x0400  // distinct proc/task format lists
+#define TF_loose_tasks 0x0800  // let sorting break up task groups (BSDish)
+#define TF_no_sort     0x1000  // don't know if thread-grouping should survive a sort
+#define TF_no_forest   0x2000  // don't see how to do threads w/ forest option
+#define TF_must_use    0x4000  // options only make sense if LWP/SPID column added
+
+/* personality control flags */
+#define PER_BROKEN_o      0x0001
+#define PER_BSD_h         0x0002
+#define PER_BSD_m         0x0004
+#define PER_IRIX_l        0x0008
+#define PER_FORCE_BSD     0x0010
+#define PER_GOOD_o        0x0020
+#define PER_OLD_m         0x0040
+#define PER_NO_DEFAULT_g  0x0080
+#define PER_ZAP_ADDR      0x0100
+#define PER_SANE_USER     0x0200
+#define PER_HPUX_x        0x0400
+#define PER_SVR4_x        0x0800
+#define PER_BSD_COLS      0x1000
+#define PER_UNIX_COLS     0x2000
+
+/* Simple selections by bit mask */
+#define SS_B_x 0x01
+#define SS_B_g 0x02
+#define SS_U_d 0x04
+#define SS_U_a 0x08
+#define SS_B_a 0x10
+
+/* predefined format flags such as:  -l -f l u s -j */
+#define FF_Uf 0x0001 /* -f */
+#define FF_Uj 0x0002 /* -j */
+#define FF_Ul 0x0004 /* -l */
+#define FF_Bj 0x0008 /* j */
+#define FF_Bl 0x0010 /* l */
+#define FF_Bs 0x0020 /* s */
+#define FF_Bu 0x0040 /* u */
+#define FF_Bv 0x0080 /* v */
+#define FF_LX 0x0100 /* X */
+#define FF_Lm 0x0200 /* m */  /* overloaded: threads, sort, format */
+#define FF_Fc 0x0400 /* --context */  /* Flask security context format */
+
+/* predefined format modifier flags such as:  -l -f l u s -j */
+#define FM_c 0x0001 /* -c */
+#define FM_j 0x0002 /* -j */  /* only set when !sysv_j_format */
+#define FM_y 0x0004 /* -y */
+//#define FM_L 0x0008 /* -L */
+#define FM_P 0x0010 /* -P */
+#define FM_M 0x0020 /* -M */
+//#define FM_T 0x0040 /* -T */
+#define FM_F 0x0080 /* -F */  /* -F also sets the regular -f flags */
+
+/* sorting & formatting */
+/* U,B,G is Unix,BSD,Gnu and then there is the option itself */
+#define SF_U_O      1
+#define SF_U_o      2
+#define SF_B_O      3
+#define SF_B_o      4
+#define SF_B_m      5       /* overloaded: threads, sort, format */
+#define SF_G_sort   6
+#define SF_G_format 7
+
+/* headers */
+#define HEAD_SINGLE 0  /* default, must be 0 */
+#define HEAD_NONE   1
+#define HEAD_MULTI  2
+
+
+/********************** GENERAL TYPEDEF *******************/
+
+/* Other fields that might be useful:
+ *
+ * char *name;     user-defined column name (format specification)
+ * int reverse;    sorting in reverse (sort specification)
+ *
+ * name in place of u
+ * reverse in place of n
+ */
+
+typedef union sel_union {
+  pid_t pid;
+  pid_t ppid;
+  uid_t uid;
+  gid_t gid;
+  dev_t tty;
+  char  cmd[64];  /* this is _not_ \0 terminated */
+} sel_union;
+
+typedef struct selection_node {
+  struct selection_node *next;
+  sel_union *u;  /* used if selection type has a list of values */
+  int n;         /* used if selection type has a list of values */
+  int typecode;
+} selection_node;
+
+typedef struct sort_node {
+  struct sort_node *next;
+  enum pids_item sr;
+  int (*xe)(char *, proc_t *);            // special format_node 'pr' guy
+  enum pids_sort_order reverse;
+  int typecode;
+} sort_node;
+
+typedef struct format_node {
+  struct format_node *next;
+  char *name;                             /* user can override default name */
+  int (*pr)(char *restrict const outbuf, const proc_t *restrict const pp); // print function
+  int width;
+  int vendor;                             /* Vendor that invented this */
+  int flags;
+  int typecode;
+} format_node;
+
+typedef struct format_struct {
+  const char *spec; /* format specifier */
+  const char *head; /* default header in the POSIX locale */
+  int (* const pr)(char *restrict const outbuf, const proc_t *restrict const pp); // print function
+  enum pids_item sr;
+  const int width;
+  const int vendor; /* Where does this come from? */
+  const int flags;
+} format_struct;
+
+/* though ps-specific, needed by general file */
+typedef struct macro_struct {
+  const char *spec; /* format specifier */
+  const char *head; /* default header in the POSIX locale */
+} macro_struct;
+
+/**************** PS TYPEDEF ***********************/
+
+typedef struct aix_struct {
+  const int   desc; /* 1-character format code */
+  const char *spec; /* format specifier */
+  const char *head; /* default header in the POSIX locale */
+} aix_struct;
+
+typedef struct shortsort_struct {
+  const int   desc; /* 1-character format code */
+  const char *spec; /* format specifier */
+} shortsort_struct;
+
+/* Save these options for later: -o o -O O --format --sort */
+typedef struct sf_node {
+  struct sf_node *next;  /* next arg */
+  format_node *f_cooked;  /* convert each arg alone, then merge */
+  sort_node   *s_cooked;  /* convert each arg alone, then merge */
+  char *sf;
+  int sf_code;
+} sf_node;
+
+/********************* UNDECIDED GLOBALS **************/
+
+/* output.c */
+extern void show_one_proc(const proc_t *restrict const p, const format_node *restrict fmt);
+extern void print_format_specifiers(void);
+extern const aix_struct *search_aix_array(const int findme);
+extern const shortsort_struct *search_shortsort_array(const int findme);
+extern const format_struct *search_format_array(const char *findme);
+extern const macro_struct *search_macro_array(const char *findme);
+extern void init_output(void);
+extern int pr_nop(char *restrict const outbuf, const proc_t *restrict const pp);
+
+/* global.c */
+extern void reset_global(void);
+
+/* global.c */
+extern int             all_processes;
+extern const char     *bsd_j_format;
+extern const char     *bsd_l_format;
+extern const char     *bsd_s_format;
+extern const char     *bsd_u_format;
+extern const char     *bsd_v_format;
+extern int             bsd_c_option;
+extern int             bsd_e_option;
+extern uid_t           cached_euid;
+extern int             cached_tty;
+extern char            forest_prefix[4 * 32*1024 + 100];
+extern int             forest_type;
+extern unsigned        format_flags;     /* -l -f l u s -j... */
+extern format_node    *format_list; /* digested formatting options */
+extern unsigned        format_modifiers; /* -c -j -y -P -L... */
+extern int             header_gap;
+extern int             header_type; /* none, single, multi... */
+extern int             include_dead_children;
+extern int             lines_to_next_header;
+extern char           *lstart_format;
+extern int             max_line_width;
+extern int             negate_selection;
+extern int             page_size;  // "int" for math reasons?
+extern unsigned        personality;
+extern int             prefer_bsd_defaults;
+extern int             running_only;
+extern int             screen_cols;
+extern int             screen_rows;
+extern selection_node *selection_list;
+extern unsigned        simple_select;
+extern sort_node      *sort_list;
+extern const char     *sysv_f_format;
+extern const char     *sysv_fl_format;
+extern const char     *sysv_j_format;
+extern const char     *sysv_l_format;
+extern unsigned        thread_flags;
+extern int             unix_f_option;
+extern int             user_is_number;
+extern int             wchan_is_number;
+extern const char     *the_word_help;
+extern bool            signal_names;
+
+/************************* PS GLOBALS *********************/
+
+/* display.c */
+extern char *myname;
+
+/* sortformat.c */
+extern int defer_sf_option(const char *arg, int source);
+extern const char *process_sf_options();
+extern void reset_sortformat(void);
+
+/* select.c */
+extern int want_this_proc(proc_t *buf);
+extern const char *select_bits_setup(void);
+
+/* signames.c */
+int print_signame(char *restrict const outbuf, const char *restrict const sig, const size_t len);
+
+/* help.c */
+extern void __attribute__ ((__noreturn__)) do_help(const char *opt, int rc);
+
+/* global.c */
+extern void self_info(void);
+extern void catastrophic_failure(const char *filename, unsigned int linenum,
+				 const char *message);
+
+/* parser.c */
+extern int arg_parse(int argc, char *argv[]);
+
+#endif