diff options
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 ac3e551..a322197 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; } |