diff options
| -rw-r--r-- | tag.c | 16 |
1 files changed, 16 insertions, 0 deletions
@@ -16,6 +16,7 @@ */ #include <sys/types.h> +#include <signal.h> #include <stddef.h> #include <stdio.h> #include <stdlib.h> @@ -36,6 +37,7 @@ struct tag_entry { char s[]; }; +static void tag_signal(int); static void *tag_alloc(size_t, void *); static void tag_free(void *, void *); static void *tag_calloc(size_t, size_t, void *); @@ -56,6 +58,9 @@ tag_init(void) struct ohash_info tag_info; tag_fn = mandoc_strdup("/tmp/man.XXXXXXXXXX"); + signal(SIGHUP, tag_signal); + signal(SIGINT, tag_signal); + signal(SIGTERM, tag_signal); if ((tag_fd = mkstemp(tag_fn)) == -1) { free(tag_fn); tag_fn = NULL; @@ -158,6 +163,17 @@ tag_unlink(void) unlink(tag_fn); } +static void +tag_signal(int signum) +{ + + tag_unlink(); + signal(signum, SIG_DFL); + kill(getpid(), signum); + /* NOTREACHED */ + _exit(1); +} + /* * Memory management callback functions for ohash. */ |