From 8650d6a9d0adf83220eaa6e4590904a47a2d9d76 Mon Sep 17 00:00:00 2001 From: Marcus Fritzsch Date: Tue, 4 Jul 2017 16:29:05 +0200 Subject: [PATCH] main: read only one signal and only return -1 if it succeeded Signed-off-by: Marcus Fritzsch --- src/main.cpp | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/src/main.cpp b/src/main.cpp index ba41a65..80a5c4d 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -133,10 +133,11 @@ int main(int /*argc*/, char ** /*argv*/) { sigprocmask(SIG_BLOCK, &sset, nullptr); p.add_fd(sfd.fd, [](int fd) { struct signalfd_siginfo si; - while (read(fd, &si, sizeof(si)) == sizeof(si)) { + if (read(fd, &si, sizeof(si)) == sizeof(si)) { lognotice("Received signal %u", si.ssi_signo); + return -1; } - return -1; + return 0; }); while ((d.flush(), p.check_events()) != -1) { -- 2.16.6