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/cvs/Linux-Inotify2/Inotify2.xs
Revision: 1.10
Committed: Sat Jul 31 11:47:05 2021 UTC (2 years, 10 months ago) by root
Branch: MAIN
CVS Tags: rel-2_3, HEAD
Changes since 1.9: +0 -5 lines
Log Message:
2.3

File Contents

# User Rev Content
1 root 1.1 #define PERL_NO_GET_CONTEXT
2    
3     #include "EXTERN.h"
4     #include "perl.h"
5     #include "XSUB.h"
6    
7     #include <unistd.h>
8 root 1.3 #include <fcntl.h>
9 root 1.1
10 root 1.5 #include <sys/inotify.h>
11 root 1.1
12 root 1.9 #ifndef IN_EXCL_UNLINK
13     #define IN_EXCL_UNLINK 0
14     #endif
15    
16 root 1.1 MODULE = Linux::Inotify2 PACKAGE = Linux::Inotify2
17    
18     PROTOTYPES: ENABLE
19    
20     BOOT:
21     {
22 root 1.7 HV *stash = GvSTASH (CvGV (cv));
23 root 1.1
24 root 1.7 static const struct civ { const char *name; IV iv; } *civ, const_iv[] = {
25     { "IN_ACCESS" , IN_ACCESS },
26     { "IN_MODIFY" , IN_MODIFY },
27     { "IN_ATTRIB" , IN_ATTRIB },
28     { "IN_CLOSE_WRITE" , IN_CLOSE_WRITE },
29     { "IN_CLOSE_NOWRITE", IN_CLOSE_NOWRITE },
30     { "IN_OPEN" , IN_OPEN },
31     { "IN_MOVED_FROM" , IN_MOVED_FROM },
32     { "IN_MOVED_TO" , IN_MOVED_TO },
33     { "IN_CREATE" , IN_CREATE },
34     { "IN_DELETE" , IN_DELETE },
35     { "IN_DELETE_SELF" , IN_DELETE_SELF },
36     { "IN_MOVE_SELF" , IN_MOVE_SELF },
37     { "IN_UNMOUNT" , IN_UNMOUNT },
38     { "IN_Q_OVERFLOW" , IN_Q_OVERFLOW },
39     { "IN_IGNORED" , IN_IGNORED },
40     { "IN_CLOSE" , IN_CLOSE },
41     { "IN_MOVE" , IN_MOVE },
42     { "IN_ONLYDIR" , IN_ONLYDIR },
43     { "IN_DONT_FOLLOW" , IN_DONT_FOLLOW },
44 root 1.8 { "IN_EXCL_UNLINK" , IN_EXCL_UNLINK },
45 root 1.7 { "IN_MASK_ADD" , IN_MASK_ADD },
46     { "IN_ISDIR" , IN_ISDIR },
47     { "IN_ONESHOT" , IN_ONESHOT },
48     { "IN_ALL_EVENTS" , IN_ALL_EVENTS },
49     };
50    
51     for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
52     newCONSTSUB (stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
53 root 1.1 }
54    
55     int
56     inotify_init ()
57    
58     int
59     inotify_add_watch (int fd, char *name, U32 mask)
60    
61     int
62     inotify_rm_watch (int fd, U32 wd)
63    
64 root 1.3 int
65     inotify_blocking (int fd, I32 blocking)
66 root 1.6 CODE:
67 root 1.3 fcntl (fd, F_SETFL, blocking ? 0 : O_NONBLOCK);
68    
69 root 1.1 void
70     inotify_read (int fd, int size = 8192)
71     PPCODE:
72     {
73     char buf [size], *cur, *end;
74     int got = read (fd, buf, size);
75    
76     if (got < 0)
77 root 1.3 if (errno != EAGAIN && errno != EINTR)
78     croak ("Linux::Inotify2: read error while reading events");
79     else
80     XSRETURN_EMPTY;
81 root 1.1
82     cur = buf;
83     end = buf + got;
84    
85     while (cur < end)
86     {
87     struct inotify_event *ev = (struct inotify_event *)cur;
88     cur += sizeof (struct inotify_event) + ev->len;
89    
90     while (ev->len > 0 && !ev->name [ev->len - 1])
91     --ev->len;
92    
93     HV *hv = newHV ();
94     hv_store (hv, "wd", sizeof ("wd") - 1, newSViv (ev->wd), 0);
95     hv_store (hv, "mask", sizeof ("mask") - 1, newSViv (ev->mask), 0);
96     hv_store (hv, "cookie", sizeof ("cookie") - 1, newSViv (ev->cookie), 0);
97     hv_store (hv, "name", sizeof ("name") - 1, newSVpvn (ev->name, ev->len), 0);
98    
99 root 1.3 XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv)));
100 root 1.1 }
101     }
102