pgrep.c: Match based on process run state for issue 109
References: procps-ng/procps#109
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pgrep.1
3
pgrep.1
@ -154,6 +154,9 @@ than
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\fB\-L\fR, \fB\-\-logpidfile\fR
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Fail if pidfile (see -F) not locked.
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.TP
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\fB\-r\fR, \fB\-\-runstates\fR \fID,R,S,Z,\fP...
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Match only processes which match the process state.
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.TP
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\fB\-\-ns \fIpid\fP
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Match processes that belong to the same namespaces. Required to run as
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root to match processes from other users. See \-\-nslist for how to limit
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19
pgrep.c
19
pgrep.c
@ -63,11 +63,12 @@ enum pids_item Items[] = {
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PIDS_TIME_START,
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PIDS_TTY_NAME,
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PIDS_CMD,
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PIDS_CMDLINE
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PIDS_CMDLINE,
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PIDS_STATE
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};
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enum rel_items {
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EU_PID, EU_PPID, EU_PGRP, EU_EUID, EU_RUID, EU_RGID, EU_SESSION,
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EU_TGID, EU_STARTTIME, EU_TTYNAME, EU_CMD, EU_CMDLINE
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EU_TGID, EU_STARTTIME, EU_TTYNAME, EU_CMD, EU_CMDLINE, EU_STA
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};
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#define grow_size(x) do { \
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if ((x) < 0 || (size_t)(x) >= INT_MAX / 5 / sizeof(struct el)) \
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@ -111,6 +112,7 @@ static struct el *opt_ruid = NULL;
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static struct el *opt_nslist = NULL;
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static char *opt_pattern = NULL;
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static char *opt_pidfile = NULL;
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static char *opt_runstates = NULL;
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/* by default, all namespaces will be checked */
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static int ns_flags = 0x3f;
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@ -149,6 +151,7 @@ static int __attribute__ ((__noreturn__)) usage(int opt)
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fputs(_(" -x, --exact match exactly with the command name\n"), fp);
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fputs(_(" -F, --pidfile <file> read PIDs from file\n"), fp);
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fputs(_(" -L, --logpidfile fail if PID file is not locked\n"), fp);
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fputs(_(" -r, --runstates <state> match runstates [D,S,Z,...]\n"), fp);
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fputs(_(" --ns <PID> match the processes that belong to the same\n"
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" namespace as <pid>\n"), fp);
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fputs(_(" --nslist <ns,...> list which namespaces will be considered for\n"
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@ -482,6 +485,7 @@ static struct el * select_procs (int *num)
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#define PIDS_GETUNT(e) PIDS_VAL(EU_ ## e, u_int, stack, info)
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#define PIDS_GETULL(e) PIDS_VAL(EU_ ## e, ull_int, stack, info)
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#define PIDS_GETSTR(e) PIDS_VAL(EU_ ## e, str, stack, info)
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#define PIDS_GETSCH(e) PIDS_VAL(EU_ ## e, s_ch, stack, info)
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struct pids_info *info=NULL;
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struct procps_namespaces nsp;
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struct pids_stack *stack;
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@ -509,7 +513,7 @@ static struct el * select_procs (int *num)
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_("Error reading reference namespace information\n"));
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}
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if (procps_pids_new(&info, Items, 12) < 0)
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if (procps_pids_new(&info, Items, 13) < 0)
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xerrx(EXIT_FATAL,
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_("Unable to create pid info structure"));
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which = PIDS_FETCH_TASKS_ONLY;
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@ -543,6 +547,8 @@ static struct el * select_procs (int *num)
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match = 0;
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else if (opt_term)
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match = match_strlist(PIDS_GETSTR(TTYNAME), opt_term);
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else if (opt_runstates && ! strchr(opt_runstates, PIDS_GETSCH(STA)))
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match = 0;
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task_cmdline = PIDS_GETSTR(CMDLINE);
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task_cmdline[CMDSTRSIZE -1] = '\0';
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@ -666,6 +672,7 @@ static void parse_opts (int argc, char **argv)
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{"echo", no_argument, NULL, 'e'},
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{"ns", required_argument, NULL, NS_OPTION},
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{"nslist", required_argument, NULL, NSLIST_OPTION},
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{"runstates", required_argument, NULL, 'r'},
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{"help", no_argument, NULL, 'h'},
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{"version", no_argument, NULL, 'V'},
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{NULL, 0, NULL, 0}
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@ -684,7 +691,7 @@ static void parse_opts (int argc, char **argv)
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strcat (opts, "lad:vw");
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}
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strcat (opts, "LF:cfinoxP:g:s:u:U:G:t:?Vh");
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strcat (opts, "LF:cfinoxP:g:s:u:U:G:t:r:?Vh");
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while ((opt = getopt_long (argc, argv, opts, longopts, NULL)) != -1) {
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switch (opt) {
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@ -818,6 +825,10 @@ static void parse_opts (int argc, char **argv)
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usage ('?');
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++criteria_count;
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break;
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case 'r': /* match by runstate */
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opt_runstates = xstrdup (optarg);
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++criteria_count;
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break;
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case NSLIST_OPTION:
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opt_nslist = split_list (optarg, conv_ns);
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if (opt_nslist == NULL)
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