a4c28a6 Fix pkg hanging if some process spawn by the script remains running after script itself exits. — HardenedBSD-pkg

HardenedBSD Package Manager

Fix pkg hanging if some process spawn by the script remains running after script itself exits.

Baptiste Daroussin committed 6 years ago

commit a4c28a60425254a80085a06c9c866d1678341d94
parent 3ea3c500a493bebc1b59873050f2019ebce6cf57

1 file changed +8 -1

modified libpkg/scripts.c

@@ -245,12 +245,19 @@ pkg_script_run(struct pkg * const pkg, pkg_script type, bool upgrade)

 			f = fdopen(pfd.fd, "r");
 			for (;;) {
 				if (poll(&pfd, 1, -1) == -1) {
 				int pres = poll(&pfd, 1, -1);
 				if (pres == -1) {
 					if (errno == EINTR)
 						continue;
 					else
 						goto cleanup;
 				}
 				if (pres == 0) {
 					if (waitpid(pid, NULL, WNOHANG | WNOWAIT) > 0) {
 						break;
 					}
 					continue;
 				}
 				if (pfd.revents & (POLLERR|POLLHUP))
 					break;
 				if (getline(&line, &linecap, f) > 0)