X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=command.c;h=1ca54da90191fd270c98b3001d16a4b5f5c04c53;hp=698e2755f6cf2dbc1835fe60d56129d50d1d8985;hb=7ad440cc721a097ecff7aa3f38f22806c644a497;hpb=3814235eb90a9952413e2bc71f66d01598717384 diff --git a/command.c b/command.c index 698e2755..1ca54da9 100644 --- a/command.c +++ b/command.c @@ -30,6 +30,8 @@ #include "user_list.h" #include "server_command_list.h" #include "afs_command_list.h" +#include "sched.h" +#include "signal.h" /** Commands including options must be shorter than this. */ #define MAX_COMMAND_LEN 32768 @@ -42,15 +44,8 @@ extern int mmd_mutex; extern struct misc_meta_data *mmd; extern struct sender senders[]; -static void dummy(int s) +static void dummy(__a_unused int s) { - /* - * At least on Solaris, SIGUSR1 is one-shot, i.e. the signal action is - * restored to the default state once the signal handler has been - * called. - */ - if (s == SIGUSR1) - signal(SIGUSR1, dummy); } static void mmd_dup(struct misc_meta_data *new_mmd) @@ -113,7 +108,7 @@ static char *get_status(struct misc_meta_data *nmmd) char *status, *flags; /* vss status info */ char *ut = uptime_str(); long offset = (nmmd->offset + 500) / 1000; - struct timeval now; + struct timeval current_time; struct tm mtime_tm; /* report real status */ @@ -123,7 +118,7 @@ static char *get_status(struct misc_meta_data *nmmd) localtime_r(&nmmd->mtime, &mtime_tm); strftime(mtime, 29, "%b %d %Y", &mtime_tm); } - gettimeofday(&now, NULL); + gettimeofday(¤t_time, NULL); ret = make_message( "%s: %zu\n" /* file size */ "%s: %s\n" /* mtime */ @@ -146,8 +141,8 @@ static char *get_status(struct misc_meta_data *nmmd) (long unsigned)nmmd->stream_start.tv_sec, (long unsigned)nmmd->stream_start.tv_usec, status_item_list[SI_CURRENT_TIME], - (long unsigned)now.tv_sec, - (long unsigned)now.tv_usec, + (long unsigned)current_time.tv_sec, + (long unsigned)current_time.tv_usec, nmmd->afd.verbose_ls_output @@ -318,7 +313,7 @@ int com_stat(int fd, int argc, char * const * argv) struct misc_meta_data tmp, *nmmd = &tmp; char *s; - signal(SIGUSR1, dummy); + para_sigaction(SIGUSR1, dummy); if (argc > 1) num = atoi(argv[1]); @@ -655,6 +650,14 @@ out: } +static void reset_signals(void) +{ + para_sigaction(SIGCHLD, SIG_IGN); + para_sigaction(SIGINT, SIG_DFL); + para_sigaction(SIGTERM, SIG_DFL); + para_sigaction(SIGHUP, SIG_DFL); +} + /** * Perform user authentication and execute a command. * @@ -694,11 +697,7 @@ __noreturn void handle_connect(int fd, const char *peername) char *p, *command = NULL; size_t numbytes; - signal(SIGCHLD, SIG_IGN); - signal(SIGINT, SIG_DFL); - signal(SIGTERM, SIG_DFL); - signal(SIGHUP, SIG_DFL); - + reset_signals(); /* we need a blocking fd here as recv() might return EAGAIN otherwise. */ ret = mark_fd_blocking(fd); if (ret < 0)