runsvd: shrink by Vladimir

*: use unified trivial signal handler

function                                             old     new   delta
record_signo                                           -      10     +10
process_stdin                                        433     443     +10
bbunpack                                             383     391      +8
wc_main                                              598     605      +7
conescape                                            293     296      +3
nmeter_main                                          670     672      +2
fallbackSort                                        1717    1719      +2
bb_got_signal                                          -       1      +1
microcom_main                                        713     712      -1
signalled                                              2       -      -2
pack_gzip                                           1661    1659      -2
evalvar                                             1376    1374      -2
compare_keys                                         737     735      -2
parse_command                                       1460    1456      -4
expand                                              1748    1744      -4
s_term                                                37      29      -8
s_hangup                                               8       -      -8
fgotsig                                               10       -     -10
find_pair                                            187     169     -18
signal_handler                                       190     170     -20
runsvdir_main                                       1701    1583    -118
------------------------------------------------------------------------------
(add/remove: 2/3 grow/shrink: 6/10 up/down: 43/-199)         Total: -156 bytes

1 files changed, 2 insertions, 9 deletions

diff --git a/miscutils/inotifyd.c b/miscutils/inotifyd.c
index 2a1a15348..3b11dc271 100644
--- a/miscutils/inotifyd.c
+++ b/miscutils/inotifyd.c
@@ -30,13 +30,6 @@
 #include "libbb.h"
 #include <linux/inotify.h>
 
-static volatile smallint signalled;
-
-static void signal_handler(int signo)
-{
-        signalled = signo;
-}
-
 static const char mask_names[] ALIGN1 =
         "a"     // 0x00000001   File was accessed
         "c"     // 0x00000002   File was modified
@@ -104,14 +97,14 @@ int inotifyd_main(int argc UNUSED_PARAM, char **argv)
                 + (1 << SIGINT)
                 + (1 << SIGTERM)
                 + (1 << SIGPIPE)
-                , signal_handler);
+                , record_signo);
 
         // do watch
 
 //      pfd.fd = fd;
         pfd.events = POLLIN;
 
-        while (!signalled && poll(&pfd, 1, -1) > 0) {
+        while (!bb_got_signal && poll(&pfd, 1, -1) > 0) {
                 ssize_t len;
                 void *buf;
                 struct inotify_event *ie;