toybox: toys/pending/inotifyd.c annotate

author	Ashwini Sharma <ak.ashwini1981@gmail.com>
date	Fri, 23 May 2014 08:58:08 -0500
parents
children	85f297591693

rev	line source
1306 2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	1 /* inotifyd.c - inotify daemon.
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	2 *
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	3 * Copyright 2013 Ashwini Kumar <ak.ashwini1981@gmail.com>
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	4 * Copyright 2013 Kyungwan Han <asura321@gmail.com>
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	5 *
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	6 * No Standard.
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	7
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	8 USE_INOTIFYD(NEWTOY(inotifyd, "<2", TOYFLAG_USR\|TOYFLAG_BIN))
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	9
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	10 config INOTIFYD
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	11 bool "inotifyd"
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	12 default n
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	13 help
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	14 usage: inotifyd PROG FILE[:mask] ...
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	15
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	16 Run PROG on filesystem changes.
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	17 When a filesystem event matching MASK occurs on FILEn,
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	18 PROG ACTUAL_EVENTS FILEn [SUBFILE] is run.
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	19 If PROG is -, events are sent to stdout.
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	20
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	21 Events:
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	22 a File is accessed
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	23 c File is modified
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	24 e Metadata changed
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	25 w Writable file is closed
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	26 0 Unwritable file is closed
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	27 r File is opened
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	28 D File is deleted
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	29 M File is moved
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	30 u Backing fs is unmounted
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	31 o Event queue overflowed
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	32 x File can't be watched anymore
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	33 If watching a directory:
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	34 m Subfile is moved into dir
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	35 y Subfile is moved out of dir
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	36 n Subfile is created
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	37 d Subfile is deleted
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	38
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	39 inotifyd waits for PROG to exit.
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	40 When x event happens for all FILEs, inotifyd exits.
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	41 */
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	42 #define FOR_inotifyd
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	43 #include "toys.h"
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	44 #include <sys/inotify.h>
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	45
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	46 GLOBALS(
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	47 int gotsignal;
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	48 )
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	49
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	50 static void sig_handler(int sig)
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	51 {
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	52 TT.gotsignal = sig;
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	53 }
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	54
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	55 static int exec_wait(char **args)
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	56 {
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	57 int status = 0;
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	58 pid_t pid = fork();
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	59
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	60 if (!pid) xexec(args);
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	61 else if (pid > 0) waitpid(pid, &status, 0);
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	62 else perror_exit("fork");
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	63 return WEXITSTATUS(status);
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	64 }
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	65
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	66 void inotifyd_main(void)
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	67 {
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	68 struct pollfd fds;
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	69 char prog_args[5], files, *restore;
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	70 struct mask_nameval {
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	71 char name;
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	72 unsigned long val;
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	73 } mask_nv[] = {
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	74 { 'a', IN_ACCESS },
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	75 { 'c', IN_MODIFY },
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	76 { 'e', IN_ATTRIB },
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	77 { 'w', IN_CLOSE_WRITE },
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	78 { '0', IN_CLOSE_NOWRITE },
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	79 { 'r', IN_OPEN },
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	80 { 'm', IN_MOVED_FROM },
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	81 { 'y', IN_MOVED_TO },
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	82 { 'n', IN_CREATE },
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	83 { 'd', IN_DELETE },
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	84 { 'D', IN_DELETE_SELF },
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	85 { 'M', IN_MOVE_SELF },
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	86 { 'u', IN_UNMOUNT },
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	87 { 'o', IN_Q_OVERFLOW },
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	88 { 'x', IN_IGNORED }
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	89 };
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	90 int mask, masks_len = ARRAY_LEN(mask_nv);
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	91
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	92 prog_args[0] = toys.optargs[0];
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	93 prog_args[4] = NULL;
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	94 toys.optc--; // 1st one is program, rest are files to be watched
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	95 //wd ZERO is not used, hence toys.optargs is assigned to files.
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	96 restore = files = toys.optargs;
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	97 if ((fds.fd = inotify_init()) == -1) perror_exit("initialization failed");
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	98
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	99 while (*++toys.optargs) {
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	100 char path = toys.optargs;
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	101 char *masks = strchr(path, ':');
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	102
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	103 mask = 0x0fff; //assuming all non-kernel events to be notified.
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	104 if (masks) {
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	105 *masks++ = '\0';
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	106 mask = 0;
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	107 while (*masks) {
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	108 int i = 0;
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	109
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	110 for (i = 0; i < masks_len; i++) {
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	111 if (*masks == mask_nv[i].name) {
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	112 mask \|= mask_nv[i].val;
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	113 break;
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	114 }
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	115 }
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	116 if (i == masks_len) error_exit("wrong mask '%c'", *masks);
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	117 masks++;
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	118 }
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	119 }
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	120 if (inotify_add_watch(fds.fd, path, mask) < 0)
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	121 perror_exit("add watch '%s' failed", path);
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	122 }
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	123 toys.optargs = restore;
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	124 sigatexit(sig_handler);
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	125 fds.events = POLLIN;
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	126
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	127 while (1) {
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	128 int ret = 0, queue_len;
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	129 void *buf = NULL;
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	130 struct inotify_event *event;
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	131
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	132 retry:
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	133 if (TT.gotsignal) break;
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	134 ret = poll(&fds, 1, -1);
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	135 if (ret < 0 && errno == EINTR) goto retry;
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	136 if (ret <= 0) break;
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	137 xioctl(fds.fd, FIONREAD, &queue_len);
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	138 event = buf = xmalloc(queue_len);
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	139 queue_len = readall(fds.fd, buf, queue_len);
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	140 while (queue_len > 0) {
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	141 uint32_t m = event->mask;
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	142
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	143 if (m) {
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	144 char evts[masks_len+1], *s = evts;
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	145 int i;
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	146
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	147 for (i = 0; i < masks_len; i++)
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	148 if (m & mask_nv[i].val) *s++ = mask_nv[i].name;
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	149 *s = '\0';
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	150
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	151 if (prog_args[0][0] == '-' && !prog_args[0][1]) { //stdout
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	152 printf(event->len ? "%s\t%s\t%s\n" : "%s\t%s\n", evts,
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	153 files[event->wd], event->name);
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	154 fflush(stdout);
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	155 } else {
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	156 prog_args[1] = evts;
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	157 prog_args[2] = files[event->wd];
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	158 prog_args[3] = event->len ? event->name : NULL;
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	159 exec_wait(prog_args); //exec and wait...
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	160 }
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	161 if (event->mask & IN_IGNORED) {
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	162 if (--toys.optc <= 0) {
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	163 free(buf);
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	164 goto done;
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	165 }
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	166 inotify_rm_watch(fds.fd, event->wd);
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	167 }
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	168 }
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	169 queue_len -= sizeof(struct inotify_event) + event->len;
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	170 event = (void)((char)event + sizeof(struct inotify_event) + event->len); //next event
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	171 }
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	172 free(buf);
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	173 }
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	174 done:
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	175 toys.exitval = TT.gotsignal;
2d4675617dff inotifyd - watch for filesystem events. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	176 }

1306

2d4675617dff inotifyd - watch for filesystem events.