X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=signal.c;h=cc49da11f2b647c83cb068b0cecab439419eb571;hp=128f6bba90fd0a9fd3b1f80adf8731d685438af1;hb=50eb5f37e3da3036fb709cd7ab2825c8d827f42a;hpb=6751fdf54c240791298420b3034a32aa9cdc4200 diff --git a/signal.c b/signal.c index 128f6bba..cc49da11 100644 --- a/signal.c +++ b/signal.c @@ -40,10 +40,10 @@ int para_signal_init(void) ret = -ERRNO_TO_PARA_ERROR(errno); goto err_out; } - ret = mark_fd_nonblock(signal_pipe[0]); + ret = mark_fd_nonblocking(signal_pipe[0]); if (ret < 0) goto err_out; - ret = mark_fd_nonblock(signal_pipe[1]); + ret = mark_fd_nonblocking(signal_pipe[1]); if (ret < 0) goto err_out; return signal_pipe[0]; @@ -64,7 +64,7 @@ static void generic_signal_handler(int s) /** * Reap one child. * - * \para, pid In case a child died, its pid is returned here. + * \param pid In case a child died, its pid is returned here. * * Call waitpid() and print a log message containing the pid and the cause of * the child's death. @@ -85,13 +85,13 @@ int para_reap_child(pid_t *pid) if (*pid < 0) return -ERRNO_TO_PARA_ERROR(errno); if (WIFEXITED(status)) - PARA_DEBUG_LOG("child %i exited. Exit status: %i\n", *pid, + PARA_DEBUG_LOG("child %i exited. Exit status: %i\n", (int)*pid, WEXITSTATUS(status)); else if (WIFSIGNALED(status)) - PARA_DEBUG_LOG("child %i was killed by signal %i\n", *pid, + PARA_DEBUG_LOG("child %i was killed by signal %i\n", (int)*pid, WTERMSIG(status)); else - PARA_WARNING_LOG("child %i terminated abormally\n", *pid); + PARA_WARNING_LOG("child %i terminated abormally\n", (int)*pid); return 1; } @@ -137,9 +137,18 @@ int para_next_signal(void) int s; ssize_t r; - if ((r = read(signal_pipe[0], &s, sizeof(s)) == sizeof(s)) > 0) { + r = read(signal_pipe[0], &s, sizeof(s)); + if (r == sizeof(s)) { PARA_DEBUG_LOG("next signal: %d\n", s); return s; } return r < 0 && (errno != EAGAIN)? 0 : -E_SIGNAL_READ; } + +/** + * Close the signal pipe. + */ +void para_signal_shutdown(void) +{ + close(signal_pipe[1]); +}