Re: [systemd-devel] [PATCH] gssd: Improve scalability by not waiting for child processes

On 10/04/2015 04:19 AM, Florian Weimer wrote: > * Steve Dickson: > >> +static void >> +sig_child(int signal) >> +{ >> +int err; >> +pid_t pid; >> + >> +/* Parent: just wait on child to exit and return */ >> +do { >> +pid = wait(); >> +} while(pid == -1 && errno

Re: [systemd-devel] [PATCH] gssd: Improve scalability by not waiting for child processes

* Steve Dickson: > +static void > +sig_child(int signal) > +{ > + int err; > + pid_t pid; > + > + /* Parent: just wait on child to exit and return */ > + do { > + pid = wait(); > + } while(pid == -1 && errno != -ECHILD); > + > + if (WIFSIGNALED(err)) > +

[systemd-devel] [PATCH] gssd: Improve scalability by not waiting for child processes

Instead of waiting on every fork, which would become a bottle neck during a mount storm, simply set a SIGCHLD signal handler to do the wait on the child process Signed-off-by: Steve Dickson --- utils/gssd/gssd.c | 18 ++ utils/gssd/gssd_proc.c | 11