Diff of /trunk/mkinitrd-magellan/busybox/procps/pidof.c

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	revision 815 by niro, Sat Sep 1 22:45:15 2007 UTC	revision 816 by niro, Fri Apr 24 18:33:46 2009 UTC
#	Line 7	Line 7
7	* Licensed under the GPL version 2, see the file LICENSE in this tarball.	* Licensed under the GPL version 2, see the file LICENSE in this tarball.
8	*/	*/
9
10	#include "busybox.h"	#include "libbb.h"
11
12	enum {	enum {
13	USE_FEATURE_PIDOF_SINGLE(OPTBIT_SINGLE,)	USE_FEATURE_PIDOF_SINGLE(OPTBIT_SINGLE,)
#	Line 16  enum {	Line 16  enum {
16	OPT_OMIT   = USE_FEATURE_PIDOF_OMIT(  (1<<OPTBIT_OMIT  )) + 0,	OPT_OMIT   = USE_FEATURE_PIDOF_OMIT(  (1<<OPTBIT_OMIT  )) + 0,
17	};	};
18
19	int pidof_main(int argc, char **argv)	int pidof_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
20		int pidof_main(int argc UNUSED_PARAM, char **argv)
21	{	{
22	unsigned first = 1;	unsigned first = 1;
	unsigned fail = 1;
23	unsigned opt;	unsigned opt;
24	#if ENABLE_FEATURE_PIDOF_OMIT	#if ENABLE_FEATURE_PIDOF_OMIT
25	llist_t *omits = NULL; /* list of pids to omit */	llist_t *omits = NULL; /* list of pids to omit */
#	Line 27  int pidof_main(int argc, char **argv)	Line 27  int pidof_main(int argc, char **argv)
27	#endif	#endif
28
29	/* do unconditional option parsing */	/* do unconditional option parsing */
30	opt = getopt32(argc, argv, ""	opt = getopt32(argv, ""
31	USE_FEATURE_PIDOF_SINGLE ("s")	USE_FEATURE_PIDOF_SINGLE ("s")
32	USE_FEATURE_PIDOF_OMIT("o:", &omits));	USE_FEATURE_PIDOF_OMIT("o:", &omits));
33
34	#if ENABLE_FEATURE_PIDOF_OMIT	#if ENABLE_FEATURE_PIDOF_OMIT
35	/* fill omit list.  */	/* fill omit list.  */
36	{	{
37	char getppid_str[sizeof(int)*3 + 1];	llist_t *omits_p = omits;
	llist_t * omits_p = omits;
38	while (omits_p) {	while (omits_p) {
39	/* are we asked to exclude the parent's process ID?  */	/* are we asked to exclude the parent's process ID?  */
40	if (!strncmp(omits_p->data, "%PPID", 5)) {	if (strcmp(omits_p->data, "%PPID") == 0) {
41	llist_pop(&omits_p);	omits_p->data = utoa((unsigned)getppid());
	snprintf(getppid_str, sizeof(getppid_str), "%u", (unsigned)getppid());
	llist_add_to(&omits_p, getppid_str);
42	}	}
43	omits_p = omits_p->link;	omits_p = omits_p->link;
44	}	}
45	}	}
46	#endif	#endif
47	/* Looks like everything is set to go.  */	/* Looks like everything is set to go.  */
48	while (optind < argc) {	argv += optind;
49		while (*argv) {
50	pid_t *pidList;	pid_t *pidList;
51	pid_t *pl;	pid_t *pl;
52
53	/* reverse the pidlist like GNU pidof does.  */	/* reverse the pidlist like GNU pidof does.  */
54	pidList = pidlist_reverse(find_pid_by_name(argv[optind]));	pidList = pidlist_reverse(find_pid_by_name(*argv));
55	for (pl = pidList; *pl; pl++) {	for (pl = pidList; *pl; pl++) {
	SKIP_FEATURE_PIDOF_OMIT(const) unsigned omitted = 0;
56	#if ENABLE_FEATURE_PIDOF_OMIT	#if ENABLE_FEATURE_PIDOF_OMIT
57	if (opt & OPT_OMIT) {	if (opt & OPT_OMIT) {
58	llist_t *omits_p = omits;	llist_t *omits_p = omits;
59	while (omits_p) {	while (omits_p) {
60	if (xatoul(omits_p->data) == *pl) {	if (xatoul(omits_p->data) == (unsigned long)(*pl)) {
61	omitted = 1;	goto omitting;
62	break;	}
63	} else	omits_p = omits_p->link;
	omits_p = omits_p->link;
64	}	}
65	}	}
66	#endif	#endif
67	if (!omitted) {	printf(" %u" + first, (unsigned)*pl);
68	printf(" %u" + first, (unsigned)*pl);	first = 0;
	first = 0;
	}
	fail = (!ENABLE_FEATURE_PIDOF_OMIT && omitted);
69	if (ENABLE_FEATURE_PIDOF_SINGLE && (opt & OPT_SINGLE))	if (ENABLE_FEATURE_PIDOF_SINGLE && (opt & OPT_SINGLE))
70	break;	break;
71		#if ENABLE_FEATURE_PIDOF_OMIT
72		omitting: ;
73		#endif
74	}	}
75	free(pidList);	free(pidList);
76	optind++;	argv++;
77	}	}
78	putchar('\n');	if (!first)
79		bb_putchar('\n');
80
81	#if ENABLE_FEATURE_PIDOF_OMIT	#if ENABLE_FEATURE_PIDOF_OMIT
82	if (ENABLE_FEATURE_CLEAN_UP)	if (ENABLE_FEATURE_CLEAN_UP)
83	llist_free(omits, NULL);	llist_free(omits, NULL);
84	#endif	#endif
85	return fail ? EXIT_FAILURE : EXIT_SUCCESS;	return first; /* 1 (failure) - no processes found */
86	}	}

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