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laforge gerrit-no-reply at lists.osmocom.orglaforge has submitted this change. ( https://gerrit.osmocom.org/c/osmo-remsim/+/20808 ) Change subject: remsim-client: Avoid zombies when scripts terminate ...................................................................... remsim-client: Avoid zombies when scripts terminate This avoids the OS from keeping terminated children (scripts) around as zombies. Change-Id: If7d45bda160987a26c7b101db6152142dc432fe7 --- M src/client/remsim_client_main.c 1 file changed, 20 insertions(+), 0 deletions(-) Approvals: Jenkins Builder: Verified laforge: Looks good to me, approved diff --git a/src/client/remsim_client_main.c b/src/client/remsim_client_main.c index bc916b9..bbc2990 100644 --- a/src/client/remsim_client_main.c +++ b/src/client/remsim_client_main.c @@ -1,4 +1,5 @@ +#include <errno.h> #include <signal.h> #include <unistd.h> #define _GNU_SOURCE @@ -142,6 +143,19 @@ } } + +static int avoid_zombies(void) +{ + static struct sigaction sa_chld; + + sa_chld.sa_handler = SIG_IGN; + sigemptyset(&sa_chld.sa_mask); + sa_chld.sa_flags = SA_NOCLDWAIT; + sa_chld.sa_restorer = NULL; + + return sigaction(SIGCHLD, &sa_chld, NULL); +} + int main(int argc, char **argv) { struct bankd_client *g_client; @@ -166,6 +180,12 @@ signal(SIGUSR1, handle_sig_usr1); + /* Silently (and portably) reap children. */ + if (avoid_zombies() < 0) { + fprintf(stderr, "Unable to silently reap children: %s\n", strerror(errno)); + exit(1); + } + asn_debug = 0; client_user_main(g_client); -- To view, visit https://gerrit.osmocom.org/c/osmo-remsim/+/20808 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-remsim Gerrit-Branch: master Gerrit-Change-Id: If7d45bda160987a26c7b101db6152142dc432fe7 Gerrit-Change-Number: 20808 Gerrit-PatchSet: 1 Gerrit-Owner: laforge <laforge at osmocom.org> Gerrit-Reviewer: Jenkins Builder Gerrit-Reviewer: laforge <laforge at osmocom.org> Gerrit-MessageType: merged -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20201020/88732aaf/attachment.htm>