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| author | Denis Vlasenko <vda.linux@googlemail.com> | 2008-09-11 19:51:11 +0000 |
|---|---|---|
| committer | Denis Vlasenko <vda.linux@googlemail.com> | 2008-09-11 19:51:11 +0000 |
| commit | 08ea11ab0749a7977e6d47cd0fa7b3c9cc10af32 (patch) | |
| tree | 84049bf86fbcbe95ad0443816efd07f8c02c1288 /miscutils/microcom.c | |
| parent | 9725daa03a7806b1c9c5a3c511dfe2ff9f97dd26 (diff) | |
| download | busybox-08ea11ab0749a7977e6d47cd0fa7b3c9cc10af32.tar.gz | |
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
Diffstat (limited to 'miscutils/microcom.c')
| -rw-r--r-- | miscutils/microcom.c | 20 |
1 files changed, 6 insertions, 14 deletions
diff --git a/miscutils/microcom.c b/miscutils/microcom.c index ac3e5514f..a322197b8 100644 --- a/miscutils/microcom.c +++ b/miscutils/microcom.c @@ -9,14 +9,6 @@ */ #include "libbb.h" -/* All known arches use small ints for signals */ -static volatile smallint signalled; - -static void signal_handler(int signo) -{ - signalled = signo; -} - // set raw tty mode static void xget1(int fd, struct termios *t, struct termios *oldt) { @@ -91,10 +83,10 @@ int microcom_main(int argc UNUSED_PARAM, char **argv) + (1 << SIGINT) + (1 << SIGTERM) + (1 << SIGPIPE) - , signal_handler); + , record_signo); // error exit code if we fail to open the device - signalled = 1; + bb_got_signal = 1; // open device sfd = open_or_warn(argv[0], O_RDWR | O_NOCTTY | O_NONBLOCK); @@ -123,9 +115,9 @@ int microcom_main(int argc UNUSED_PARAM, char **argv) pfd[1].fd = STDIN_FILENO; pfd[1].events = POLLIN; - signalled = 0; + bb_got_signal = 0; nfd = 2; - while (!signalled && safe_poll(pfd, nfd, timeout) > 0) { + while (!bb_got_signal && safe_poll(pfd, nfd, timeout) > 0) { if (nfd > 1 && pfd[1].revents) { char c; // read from stdin -> write to device @@ -159,7 +151,7 @@ skip_write: ; full_write(STDOUT_FILENO, iobuf, len); else { // EOF/error -> bail out - signalled = SIGHUP; + bb_got_signal = SIGHUP; break; } } @@ -175,5 +167,5 @@ done: if (device_lock_file) unlink(device_lock_file); - return signalled; + return bb_got_signal; } |