filter_wait(3) - Linux man page
Name
filter_wait - wrap waitpid to decode the exitcode and why your filter quitSynopsis
#include <util/filter.h> NEOERR *filter_wait(pid_t pid, int options, int *exitcode);
Arguments
pid -> the process identifier to wait foroptions -> the options to pass to waitpid (see wait(2))
Description
filter_wait wraps the waitpid call and raises an error (with description) if the call failed. Note that if the ask for the exitcode and the process exited with a code other than zero, we don't raise an error. If you don't ask for the exitcode, and it is non-zero, we raise an errorReturn Value
exitcode -> theexitcode if the process existed normally