diff options
author | Rob Landley <rob@landley.net> | 2015-09-05 14:18:38 -0500 |
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committer | Rob Landley <rob@landley.net> | 2015-09-05 14:18:38 -0500 |
commit | 60d1aea2df9a8cc1e975ed5fee079982612f5966 (patch) | |
tree | fbe587bed6b3f20973870479da1ee512023e4843 /toys/other | |
parent | 73eca9182dfd7c2d52775ca24da6a7a0d55b3cee (diff) | |
download | toybox-60d1aea2df9a8cc1e975ed5fee079982612f5966.tar.gz |
Two large thinkos in oneit: -3 was always enabled and signal numbers were
overwritten before we set up signal handlers.
Diffstat (limited to 'toys/other')
-rw-r--r-- | toys/other/oneit.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/toys/other/oneit.c b/toys/other/oneit.c index 8e4b7133..cc510c15 100644 --- a/toys/other/oneit.c +++ b/toys/other/oneit.c @@ -61,7 +61,10 @@ void oneit_main(void) { int i, pid, pipes[] = {SIGUSR1, SIGUSR2, SIGTERM, SIGINT}; - if (FLAG_3) { + // Setup signal handlers for signals of interest + for (i = 0; i<ARRAY_LEN(pipes); i++) xsignal(pipes[i], oneit_signaled); + + if (toys.optflags & FLAG_3) { // Ensure next available filehandle is #3 while (open("/", 0) < 3); close(3); @@ -70,9 +73,6 @@ void oneit_main(void) fcntl(4, F_SETFD, FD_CLOEXEC); } - // Setup signal handlers for signals of interest - for (i = 0; i<ARRAY_LEN(pipes); i++) xsignal(pipes[i], oneit_signaled); - while (!toys.signal) { // Create a new child process. @@ -83,7 +83,7 @@ void oneit_main(void) // We ignore the return value of write (what would we do with it?) // but save it in a variable we never read to make fortify shut up. // (Real problem is if pid2 never reads, write() fills pipe and blocks.) - while (pid != wait(&i)) if (FLAG_3) i = write(4, &pid, 4); + while (pid != wait(&i)) if (toys.optflags & FLAG_3) i = write(4, &pid, 4); if (toys.optflags & FLAG_n) continue; oneit_signaled((toys.optflags & FLAG_p) ? SIGUSR2 : SIGTERM); |