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v3.3.10
ps/common.h
344 строки
11 KB
Jaromir Capik
ps: add -q/q/--quick-pid option
10 июл 2014, 23:24
10 июл 2014, 23:24
e751606
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/* * Copyright 1998-2002 by Albert Cahalan; all rights resered. * 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 "../include/nls.h" #include "../proc/procps.h" #include "../proc/escape.h" #include "../proc/readproc.h" #if 0 #define trace(...) printf(## __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 * 4 chars for "\377", or 1 when mangling to '?' (ESC_STRETCH) * 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 * ESC_STRETCH) /******************* 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 #define needs_for_select (PROC_FILLSTAT | PROC_FILLSTATUS) /* 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[16]; /* 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; int (*sr)(const proc_t* P, const proc_t* Q); /* sort function */ int reverse; /* can sort backwards */ int typecode; int need; } 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 (* const sr)(const proc_t* P, const proc_t* Q); */ /* sort function */ int width; int need; 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 int (* const sr)(const proc_t* P, const proc_t* Q); /* sort function */ const int width; const int need; /* data we will need (files to read, etc.) */ 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 dev_t 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 int max_line_width; extern const char *namelist_file; 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 time_t seconds_since_boot; 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; /************************* 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(int localbroken); extern void reset_sortformat(void); /* select.c */ extern int want_this_proc(proc_t *buf); extern const char *select_bits_setup(void); /* help.c */ extern void do_help(const char *opt, int rc) NORETURN; /* 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